<?php defined('BX_DOL') or die('hack attempt');
/**
 * Copyright (c) UNA, Inc - https://una.io
 * MIT License - https://opensource.org/licenses/MIT
 *
 * @defgroup    BaseProfile Base classes for profile modules
 * @ingroup     UnaModules
 *
 * @{
 */

define('BX_DOL_PROFILE_REDIRECT_PROFILE', 'profile');
define('BX_DOL_PROFILE_REDIRECT_LAST', 'last');
define('BX_DOL_PROFILE_REDIRECT_CUSTOM', 'custom');
define('BX_DOL_PROFILE_REDIRECT_HOMEPAGE', 'homepage');

define('BX_DOL_PROFILE_ACTIVATE_ALWAYS', 'on');
define('BX_DOL_PROFILE_ACTIVATE_NEVER', 'off');
define('BX_DOL_PROFILE_ACTIVATE_ADD', 'add');
define('BX_DOL_PROFILE_ACTIVATE_EDIT', 'edit');

/**
 * Base class for profile modules.
 */
class BxBaseModProfileModule extends BxBaseModGeneralModule implements iBxDolContentInfoService, iBxDolProfileService
{
    protected $_iAccountId;

    function __construct(&$aModule)
    {
        parent::__construct($aModule);

        $CNF = &$this->_oConfig->CNF;

        if(!empty($CNF['FIELD_ALLOW_POST_TO']))
            $this->_aSearchableNamesExcept[] = $CNF['FIELD_ALLOW_POST_TO'];

        if(!empty($CNF['FIELD_ALLOW_CONTACT_TO']))
            $this->_aSearchableNamesExcept[] = $CNF['FIELD_ALLOW_CONTACT_TO'];

        $this->_iAccountId = getLoggedId();
    }

    public function actionDeleteProfileImg($iFileId, $iContentId, $sFieldPicture) 
    {
        $aResult = array();
        $CNF = &$this->_oConfig->CNF;

        $oSrorage = BxDolStorage::getObjectInstance($CNF['OBJECT_STORAGE']);
        if (!($aFile = $oSrorage->getFile((int)$iFileId)) || !($aContentInfo = $this->_oDb->getContentInfoById($iContentId)) || $aContentInfo[$sFieldPicture] != (int)$iFileId)
            $aResult = array('error' => 1, 'msg' => _t('_sys_storage_err_file_not_found'));

        $oAccountProfile = BxDolProfile::getInstanceAccountProfile();
        if ($oAccountProfile)
            $iAccountProfileId = $oAccountProfile->id();

        if ((!$aResult && !isLogged()) || (!$aResult && $aFile['profile_id'] != $iAccountProfileId && !$this->_isModerator()))           
            $aResult = array('error' => 2, 'msg' => _t('_Access denied'));

        $oForm = BxDolForm::getObjectInstance($CNF['OBJECT_FORM_ENTRY'], $CNF['OBJECT_FORM_ENTRY_DISPLAY_ADD'], $this->_oTemplate);

        if (!$aResult && !$oForm->_deleteFile($iContentId, $sFieldPicture, (int)$iFileId, true))
            $aResult = array('error' => 3, 'msg' => _t('_Failed'));
        elseif (!$aResult)            
            $aResult = array('error' => 0, 'msg' => '');

        header('Content-Type: application/json; charset=utf-8');
        echo json_encode($aResult);
    }
	
	public function actionProfileCalendarData()
    {
		$iProfileId = (int)bx_get('profile_id');
        $aEntries = array();
		$BxDolModuleQuery = BxDolModuleQuery::getInstance();
        $aModules = $BxDolModuleQuery->getModulesBy(array('type' => 'modules', 'active' => 1));
        foreach($aModules as $aModule){
			$sModuleName = $aModule['name'];
            $oModule = BxDolModule::getInstance($sModuleName);
            if($oModule instanceof iBxDolCalendarService){
				if(BxDolRequest::serviceExists($sModuleName, 'get_calendar_entries')){
					$aEntries2 = BxDolService::call($sModuleName, 'get_calendar_entries', array($iProfileId));
					$aEntries = array_merge($aEntries, $aEntries2);
				}
            }
        }
		
        header('Content-Type: application/json; charset=utf-8');
        echo json_encode($aEntries);
    }
    
    public function actionEmbed($iContentId, $sUnitTemplate = '', $sAddCode = '')
    {
        return parent::actionEmbed($iContentId, 'unit_with_cover.html');
    }

    // ====== SERVICE METHODS

    public function serviceGetSafeServices()
    {
        $a = parent::serviceGetSafeServices();
        return array_merge($a, array (
            'ProfileUnitSafe' => '',
            'ProfileUrl' => '',
            'EntityCreate' => '',
            'BrowseRecommended' => '',
            'BrowseRecentProfiles' => '',
            'BrowseActiveProfiles' => '',
            'BrowseTopProfiles' => '',
            'BrowseOnlineProfiles' => '',
            'BrowseConnections' => '',
            'BrowseConnectionsEverywhere' => '',
            'BrowseByAcl' => '',
        ));
    }

    public function serviceGetOptionsRedirectAfterAdd()
    {
        $CNF = &$this->_oConfig->CNF;

        $aResult = array();
        $aChoices = array(BX_DOL_PROFILE_REDIRECT_PROFILE, BX_DOL_PROFILE_REDIRECT_LAST, BX_DOL_PROFILE_REDIRECT_CUSTOM, BX_DOL_PROFILE_REDIRECT_HOMEPAGE);
        foreach($aChoices as $sChoice) 
            $aResult[] = array('key' => $sChoice, 'value' => _t($CNF['T']['option_redirect_aadd_' . $sChoice]));

        return $aResult;
    }
    
    public function serviceGetOptionsActivation()
    {
        $CNF = &$this->_oConfig->CNF;

        $aResult = array();
        $aChoices = array(BX_DOL_PROFILE_ACTIVATE_ALWAYS, BX_DOL_PROFILE_ACTIVATE_NEVER, BX_DOL_PROFILE_ACTIVATE_ADD, BX_DOL_PROFILE_ACTIVATE_EDIT);
        foreach($aChoices as $sChoice) 
            $aResult[] = array('key' => $sChoice, 'value' => _t($CNF['T']['option_activation_' . $sChoice]));

        return $aResult;
    }

    public function serviceGetThumb ($iContentId, $sTranscoder = '') 
    {
        $CNF = &$this->_oConfig->CNF;
        
        if(bx_is_api()){
            $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
            return bx_api_get_image($CNF['OBJECT_STORAGE'], $aContentInfo[$CNF['FIELD_PICTURE']]);
        }

        if(empty($sTranscoder) && !empty($CNF['OBJECT_IMAGES_TRANSCODER_THUMB']))
            $sTranscoder = $CNF['OBJECT_IMAGES_TRANSCODER_THUMB'];

        $mixedResult = $this->_getFieldValueThumb('FIELD_PICTURE', $iContentId, $sTranscoder);
        return $mixedResult !== false ? $mixedResult : '';
    }
    
    public function serviceGetCover ($iContentId, $sTranscoder = '') 
    {
        $CNF = &$this->_oConfig->CNF;
        
        if(bx_is_api()){
            $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
            $aTmp = bx_api_get_image($CNF['OBJECT_STORAGE'], $aContentInfo[$CNF['FIELD_COVER']]);
            if (!$aTmp){
                return ['storage' => $CNF['OBJECT_STORAGE']];
            }
            return $aTmp;
        }

        if(empty($sTranscoder) && !empty($CNF['OBJECT_IMAGES_TRANSCODER_COVER']))
            $sTranscoder = $CNF['OBJECT_IMAGES_TRANSCODER_COVER'];

        $mixedResult = $this->_getFieldValueThumb('FIELD_COVER', $iContentId, $sTranscoder);
        return $mixedResult !== false ? $mixedResult : '';
    }

    public function serviceGetSearchResultUnit ($iContentId, $sUnitTemplate = '')
    {
        if(empty($sUnitTemplate))
            $sUnitTemplate = 'unit_with_cover.html';

        return parent::serviceGetSearchResultUnit($iContentId, $sUnitTemplate);
    }

    public function serviceGetSearchableFieldsExtended($aInputsAdd = array())
    {
        $CNF = &$this->_oConfig->CNF;

        $aResult = parent::serviceGetSearchableFieldsExtended($aInputsAdd);
        if(!$this->serviceActAsProfile())
            return $aResult;

        if(!in_array('online', $this->_aSearchableNamesExcept))
            $aResult['online'] = array(
                'type' => 'checkbox', 
                'caption' => $CNF['T']['form_field_online'],
                'info' => '',
            	'value' => '1',
                'values' => '',
                'pass' => ''
            );

        if(!empty($CNF['FIELD_PICTURE']) && !in_array($CNF['FIELD_PICTURE'], $this->_aSearchableNamesExcept))
            $aResult[$CNF['FIELD_PICTURE']] = array(
                'type' => 'checkbox', 
                'caption' => $CNF['T']['form_field_picture'],
                'info' => '',
            	'value' => '1',
                'values' => '',
                'pass' => '',
                'search_operator' => '>=' 
            );

        return $aResult;
    }

	
	/**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-general General
     * @subsubsection bx_base_profile-entity_calendar entity_calendar
     * 
     * @code bx_srv('bx_persons', 'entity_calendar', [...]); @endcode
     * 
     * Get calendar block
     * @param $iContentId content ID
     * 
     * @see BxBaseModProfileModule::serviceEntityCalendar
     */
    /** 
     * @ref bx_base_profile-entity_calendar "entity_calendar"
     */
	public function serviceEntityCalendar($iContentId = 0, $sTemplate = 'calendar.html')
    {
		$iContentId = $this->_getContent($iContentId, false);
        $oProfile = BxDolProfile::getInstanceByContentAndType($iContentId, $this->_oConfig->getName());
        if($oProfile){
			$o = new BxTemplCalendar(array(
				'eventSources' => array (
					bx_append_url_params(BX_DOL_URL_ROOT . $this->_oConfig->getBaseUri() . 'profile_calendar_data', array('profile_id' => $oProfile->id())),
				),
        	), $this->_oTemplate);
        	return $o->display($sTemplate);			     
		}
		return '';	
    }
	
    public function servicePrivateProfileMsg()
    {
        $sMessage = '';

        $mixedContent = $this->_getContent();
        if($mixedContent) {
            list($iContentId, $aContentInfo) = $mixedContent;
            $sMessage = $this->checkAllowedView($aContentInfo);
        }
        else
            $sMessage = MsgBox(_t('_sys_access_denied_to_private_content'));

        return !$this->_bIsApi ? $sMessage : [bx_api_get_msg($sMessage, ['ext' => ['msg_type' => 'result']])];
    }
    
    public function serviceGetContentInfoById($iContentId)
    {
        return $this->_oDb->getContentInfoById((int)$iContentId);
    }
    
    public function serviceGetContentInfoByProfileId($iProfileId)
    {
        return $this->_oDb->getContentInfoByProfileId((int)$iProfileId);
    }

    public function serviceGetMenuAddonManageTools()
    {
        $CNF = &$this->_oConfig->CNF;
        
		$iNumTotal = $this->_oDb->getEntriesNumByParams();

        $iNum1 = $this->_oDb->getEntriesNumByParams([
            [
                'key' => 'status', 
                'table' => 'sys_profiles',
                'value' => BX_PROFILE_STATUS_PENDING, 
                'operator' => '='
            ]
        ]);
        
        $iNum2 = 0;
        if (isset($CNF['OBJECT_REPORTS'])){
            $iNum2 = $this->_oDb->getEntriesNumByParams([
                [
                    'key' => 'reports',
                    'value' => '0', 
                    'operator' => '>'
                ]
            ]);
        }
        
        return array('counter1_value' => $iNum1, 'counter2_value' => $iNum2, 'counter3_value' => $iNumTotal, 'counter1_caption' => _t('_sys_menu_dashboard_manage_tools_addon_counter1_caption_profile_default'));
    }

    public function serviceGetMenuAddonManageToolsProfileStats($iProfileId = 0)
    {
        if(!$iProfileId)
            $iProfileId = bx_get_logged_profile_id();

        $aAccountInfo = BxDolProfileQuery::getInstance()->getAccountInfoByProfileId($iProfileId);
        if(empty($aAccountInfo) || !is_array($aAccountInfo))
            return 0;

        bx_import('SearchResult', $this->_aModule);
        $sClass = $this->_aModule['class_prefix'] . 'SearchResult';
        $o = new $sClass();
        $o->fillFilters([
            'account_id' => $aAccountInfo['id'],
            'perofileStatus' => ''
        ]);
        $o->unsetPaginate();

        return $o->getNum();
    }

    public function serviceGetMenuAddonFavoritesProfileStats()
    {
    	bx_import('SearchResult', $this->_aModule);
        $sClass = $this->_aModule['class_prefix'] . 'SearchResult';
        $o = new $sClass('favorite', array('user' => bx_get_logged_profile_id()));
        $o->unsetPaginate();

        return $o->getNum();
    }

    public function serviceGetSubmenuObject ()
    {
        return $this->_oConfig->CNF['OBJECT_MENU_SUBMENU_VIEW_ENTRY'];
    }

    public function serviceGetMenuSetNameForMenuTrigger ($sMenuTriggerName)
    {
        $CNF = &$this->_oConfig->CNF;

        if (isset($CNF['TRIGGER_MENU_PROFILE_VIEW_SUBMENU']) && $CNF['TRIGGER_MENU_PROFILE_VIEW_SUBMENU'] == $sMenuTriggerName)
            return $CNF['OBJECT_MENU_SUBMENU_VIEW_ENTRY'];
        elseif (isset($CNF['TRIGGER_MENU_PROFILE_SNIPPET_META']) && $CNF['TRIGGER_MENU_PROFILE_SNIPPET_META'] == $sMenuTriggerName)
            return $CNF['OBJECT_MENU_SNIPPET_META'];
        else if (isset($CNF['TRIGGER_MENU_PROFILE_VIEW_ACTIONS']) && $CNF['TRIGGER_MENU_PROFILE_VIEW_ACTIONS'] == $sMenuTriggerName) {
            if(empty($CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY_ALL']))
                return $CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY'];
            else
                return array($CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY'], $CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY_ALL']);
        }

        return '';
    }

    public function serviceGetSnippetMenuVars($iProfileId, $bPublic = null, $aParams = [])
    {
        return $this->_oTemplate->getSnippetMenuVars($iProfileId, $bPublic, $aParams);
    }

    public function serviceGetPageObjectForPageTrigger ($sPageTriggerName)
    {
        if (isset($this->_oConfig->CNF['TRIGGER_PAGE_VIEW_ENTRY']) && $this->_oConfig->CNF['TRIGGER_PAGE_VIEW_ENTRY'] == $sPageTriggerName)
        	return $this->_oConfig->CNF['OBJECT_PAGE_VIEW_ENTRY'];

        return '';
    }

    public function serviceProfilesSearch ($sTerm, $iLimit)
    {
        $aRet = array();

        $a = $this->_oDb->searchByTerm($sTerm, $iLimit);
        foreach ($a as $r) {
            $oProfile = BxDolProfile::getInstance($r['profile_id']);

            if ($this->_bIsApi) {
                $aData = $oProfile->getUnitAPI(0, ['template' => 'unit_wo_info']);
                $aData['author_data']['label'] = $this->serviceProfileName($r['content_id']);

                $aRet[] = $aData['author_data'];
            }
            else{
                $aRet[] = array (
                    'label' => $this->serviceProfileName($r['content_id']), 
                    'value' => $r['profile_id'], 
                    'url' => $oProfile->getUrl(),
                    'thumb' => $oProfile->getThumb(),
                    'unit' => $oProfile->getUnit(0, ['template' => ['name' => 'unit_wo_info', 'size' => 'icon']])
                );
            }
        }

        return $aRet;
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-general General
     * @subsubsection bx_base_profile-profile_unit_safe profile_unit_safe
     * 
     * @code bx_srv('bx_persons', 'profile_unit_safe', [...]); @endcode
     * 
     * Get profile unit
     * @param $iContentId content ID
     * 
     * @see BxBaseModProfileModule::serviceProfileUnitSafe
     */
    /** 
     * @ref bx_base_profile-profile_unit_safe "profile_unit_safe"
     */
    public function serviceProfileUnitSafe ($iContentId, $aParams = array())
    {
        unset($aParams['check_private_content']);
        return $this->serviceProfileUnit ($iContentId, $aParams);
    }

    public function serviceProfileUnit ($iContentId, $aParams = [])
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        $bCheckPrivateContent = isset($aParams['check_private_content']) ? (bool)$aParams['check_private_content'] : true;

        $aUnitTemplate = ['name' => 'unit.html', 'size' => false, 'vars' => []];
        if(!empty($aParams['template'])) {
            $mixedTemplate = $aParams['template'];
            unset($aParams['template']);

            if(is_string($mixedTemplate))
                $aUnitTemplate['name'] = $mixedTemplate . '.html';
            else if(is_array($mixedTemplate)) {
                if(!empty($mixedTemplate['name']))
                    $aUnitTemplate['name'] = $mixedTemplate['name'] . '.html';

                if(!empty($mixedTemplate['size']))
                    $aUnitTemplate['size'] = $mixedTemplate['size'];

                if(!empty($mixedTemplate['vars']))
                    $aUnitTemplate['vars'] = $mixedTemplate['vars'];
            }
        }

        $aUnitParams = [];
        if(!empty($aParams))
            $aUnitParams = $aParams;

        return $this->_oTemplate->unit($aContentInfo, $bCheckPrivateContent, array_values($aUnitTemplate), $aUnitParams);
    }

    public function serviceProfileUnitApi ($iContentId, $aParams = [])
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        return $this->_oTemplate->unitAPI($aContentInfo, $aParams);
    }

    public function serviceHasImage ($iContentId)
    {
        $CNF = &$this->_oConfig->CNF;

        $mixedContent = $this->_getContent($iContentId, 'getContentInfoById');
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        return !empty($aContentInfo[$CNF['FIELD_PICTURE']]);
    }

    public function serviceProfilePicture ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlPicture', $iContentId);
    }

    public function serviceProfileAvatar ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlAvatar', $iContentId);
    }

    public function serviceProfileAvatarBig ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlAvatarBig', $iContentId);
    }

    public function serviceProfileCover ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlCover', $iContentId);
    }

    public function serviceProfileUnitCover ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlCoverUnit', $iContentId);
    }

    public function serviceProfileEditUrl ($iContentId)
    {
        return bx_absolute_url(BxDolPermalinks::getInstance()->permalink('page.php?i=' . $this->_oConfig->CNF['URI_EDIT_ENTRY'] . '&id=' . $iContentId));
    }

    public function serviceProfileThumb ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlThumb', $iContentId);
    }

    public function serviceProfileIcon ($iContentId)
    {
        return $this->_serviceTemplateFunc('urlIcon', $iContentId);
    }

    public function serviceProfileName ($iContentId)
    {
        if (!$iContentId)
            return false;
        $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
        if (!$aContentInfo)
            return false;
        
        $sDisplayName = $this->getProfileName($aContentInfo);

        /**
         * @hooks
         * @hookdef hook-bx_base_profile-profile_name '{module_name}', 'profile_name' - hook to override profile display name
         * - $unit_name - module name
         * - $action - equals `profile_name`
         * - $object_id - profile id
         * - $sender_id - not used
         * - $extra_params - array of additional params with the following array keys:
         *      - `info` - [array] profile info array as key&value pairs
         *      - `display_name` - [string] by ref, profile display name, can be overridden in hook processing
         * @hook @ref hook-bx_base_profile-profile_name
         */
        bx_alert($this->getName(), 'profile_name', $aContentInfo['profile_id'], 0, [
            'info' => $aContentInfo, 
            'display_name' => &$sDisplayName
        ]);
        
        return $sDisplayName;
    }
    
    public function serviceProfileSettings ($iContentId)
    {
        if (!$iContentId)
            return false;
        $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
        if (!$aContentInfo)
            return false;
        
       if (isset($aContentInfo['settings']))
           return json_decode($aContentInfo['settings']);
    }
    
    public function serviceProfileSettingsSet ($iContentId, $oValue)
    {
        $CNF = $this->_oConfig->CNF;
        $this->_oDb->updateEntriesBy(['settings' => json_encode($oValue)], [$CNF['FIELD_ID'] => $iContentId]);
    }
  
    public function serviceProfileCreateUrl ($bAbsolute = true)
    {
    	$CNF = $this->_oConfig->CNF;
    	if(empty($CNF['URL_CREATE']))
    		return false;

    	return $bAbsolute ? bx_absolute_url(BxDolPermalinks::getInstance()->permalink($CNF['URL_CREATE'])) : $CNF['URL_CREATE'];
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-general General
     * @subsubsection bx_base_profile-profile_url profile_url
     * 
     * @code bx_srv('bx_persons', 'profile_url', [...]); @endcode
     * 
     * Get profile URL
     * @param $iContentId content ID
     * 
     * @see BxBaseModProfileModule::serviceProfileUrl
     */
    /** 
     * @ref bx_base_profile-profile_url "profile_url"
     */
    public function serviceProfileUrl ($iContentId)
    {
        if (!$iContentId)
            return false;
        $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
        if (!$aContentInfo)
            return false;
        $CNF = $this->_oConfig->CNF;
        return bx_absolute_url(BxDolPermalinks::getInstance()->permalink('page.php?i=' . $CNF['URI_VIEW_ENTRY'] . '&id=' . $aContentInfo[$CNF['FIELD_ID']]));
    }

    /**
     * @see iBxDolProfileService::serviceGetSpaceTitle
     */ 
    public function serviceGetSpaceTitle()
    {
        return _t('_sys_ps_space_title_friend');
    }

    /**
     * @see iBxDolProfileService::serviceGetParticipatingProfiles
     */ 
    public function serviceGetParticipatingProfiles($iProfileId, $aConnectionObjects = false)
    {
        if (false === $aConnectionObjects)
            $aConnectionObjects = array('sys_profiles_friends');

        $a = array();
        foreach ($aConnectionObjects as $sConnectionObject) {
            if (!($o = BxDolConnection::getObjectInstance($sConnectionObject)))
                continue;

            if (BX_CONNECTIONS_TYPE_MUTUAL == $o->getType())
                $a = array_merge($a, $o->getConnectedContentByType($iProfileId, $this->getName(), true));
            else
                $a = array_merge($a, $o->getConnectedContentByType($iProfileId, $this->getName()));
        }
        $aRet = array_unique($a);

        // the check for an ability to post in profile has been moved to BxDolPrivacy because we need to have an extended check
        // with an ability to check for extended roles taking into account the type of content which is going be posted/edited
        // so now this service returns just a fans, not filtered by an ability to post into an entry's context
        /*foreach ($a as $iConnectedProfileId) {
            if (!($oConnectedProfile = BxDolProfile::getInstance($iConnectedProfileId)))
                continue;

             if (CHECK_ACTION_RESULT_ALLOWED === bx_srv($oConnectedProfile->getModule(), 'check_allowed_post_in_profile', array($oConnectedProfile->getContentId(), $iProfileId)))
                $aRet[] = $iConnectedProfileId;
        }*/

        /**
         * @hooks
         * @hookdef hook-system-get_participating_profiles 'system', 'get_participating_profiles' - hook to override context participants list
         * - $unit_name - equals `system`
         * - $action - equals `get_participating_profiles`
         * - $object_id - context profile id
         * - $sender_id - not used
         * - $extra_params - array of additional params with the following array keys:
         *      - `module` - [string] module name
         *      - `profiles` - [array] by ref, a list of participating profiles ids, can be overridden in hook processing
         * @hook @ref hook-system-get_participating_profiles
         */
        bx_alert('system', 'get_participating_profiles', $iProfileId, false, [
            'module' => $this->_oConfig->getName(),
            'profiles' => &$aRet
        ]);

        return $aRet;
    }

    /**
     * Prepare fields from some universal set of fields to fields in particular profile module. 
     * By default only 'name' and 'description' fields are supported.
     * After fields convertion it can be used in @see BxBaseModGeneralModule::serviceEntityAdd
     * @param $aFieldsProfile fields in soem universal format.
     * @return array which is ready to use for particular module
     */ 
    public function servicePrepareFields ($aFieldsProfile)
    {
        /**
         * @hooks
         * @hookdef hook-bx_base_profile-prepare_fields '{module_name}', 'prepare_fields' - hook to override prepared profile fields
         * - $unit_name - module name
         * - $action - equals `prepare_fields`
         * - $object_id - not used
         * - $sender_id - not used
         * - $extra_params - array of additional params with the following array keys:
         *      - `fields_orig` - [array] original fields array as key&value pairs
         *      - `fields_result` - [array] by ref, resulting fields array as key&value pairs, can be overridden in hook processing
         * @hook @ref hook-bx_base_profile-prepare_fields
         */
        bx_alert($this->getName(), 'prepare_fields', 0, 0, [
            'fields_orig' => $aFieldsProfile, 
            'fields_result' => &$aFieldsProfile
        ]);

        return $aFieldsProfile;
    }

    protected function _servicePrepareFields ($aFieldsProfile, $aFieldsDefault, $aMap)
    {
        $aFieldsOrig = $aFieldsProfile;

        bx_import('BxDolPrivacy');
        $aFieldsDefault2 = array(
            'allow_view_to' => BX_DOL_PG_ALL,
            'allow_contact_to' => BX_DOL_PG_ALL, 
            'allow_post_to' => BX_DOL_PG_FRIENDS,
        );
        $aFieldsProfile = array_merge($aFieldsDefault2, $aFieldsDefault, $aFieldsProfile);

        foreach ($aMap as $k => $v) {
            if (isset($aFieldsProfile[$v]))
                $aFieldsProfile[$k] = $aFieldsProfile[$v];
            if ($k != $v && !isset($aMap[$v]))
                unset($aFieldsProfile[$v]);
        }

        /**
         * @hooks
         * @hookdef hook-bx_base_profile-prepare_fields '{module_name}', 'prepare_fields' - hook to override prepared profile fields
         * - $unit_name - module name
         * - $action - equals `prepare_fields`
         * - $object_id - not used
         * - $sender_id - not used
         * - $extra_params - array of additional params with the following array keys:
         *      - `fields_orig` - [array] original fields array as key&value pairs
         *      - `fields_result` - [array] by ref, resulting fields array as key&value pairs, can be overridden in hook processing
         * @hook @ref hook-bx_base_profile-prepare_fields
         */
        bx_alert($this->getName(), 'prepare_fields', 0, 0, [
            'fields_orig' => $aFieldsOrig, 
            'fields_result' => &$aFieldsProfile
        ]);

        return $aFieldsProfile;
    }

    public function serviceFormsHelper ()
    {
        return parent::serviceFormsHelper ();
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-forms Forms
     * @subsubsection bx_base_profile-entity_create entity_create
     * 
     * @code bx_srv('bx_persons', 'entity_create', [...]); @endcode
     * 
     * Get profile creation form
     * @param $sDisplay optional form display name
     * 
     * @see BxBaseModProfileModule::serviceEntityCreate
     */
    /** 
     * @ref bx_base_profile-entity_create "entity_create"
     */
    public function serviceEntityCreate ($sDisplay = false)
    {
	    BxDolInformer::getInstance($this->_oTemplate)->setEnabled(false);

	    return parent::serviceEntityCreate ($sDisplay);
    }

    public function serviceActAsProfile ()
    {
        return true;
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_recommended browse_recommended
     * 
     * @code bx_srv('bx_persons', 'browse_recommended', [...]); @endcode
     * 
     * Browse recommended profiles
     * @param $sUnitView optional, unit view, for example - showcase
     * @param $bEmptyMessage optional, display or not "empty" message when there is no content
     * @param $bAjaxPaginate optional, use AJAX paginate or not
     * 
     * @see BxBaseModProfileModule::serviceBrowseRecommended
     */
    /** 
     * @ref bx_base_profile-browse_recommended "browse_recommended"
     */
    public function serviceBrowseRecommended ($sUnitView = false, $bEmptyMessage = false, $bAjaxPaginate = true)
    {
        if (!isLogged())
            return '';
        return $this->_serviceBrowse ('recommended', $sUnitView ? array('unit_view' => $sUnitView) : false, BX_DB_PADDING_DEF, $bEmptyMessage, $bAjaxPaginate);
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_recent_profiles browse_recent_profiles
     * 
     * @code bx_srv('bx_persons', 'browse_recent_profiles', [...]); @endcode
     * 
     * Browse recently joined profiles
     * @param $bEmptyMessage optional, display or not "empty" message when there is no content
     * @param $bAjaxPaginate optional, use AJAX paginate or not
     * 
     * @see BxBaseModProfileModule::serviceBrowseRecentProfiles
     */
    /** 
     * @ref bx_base_profile-browse_recent_profiles "browse_recent_profiles"
     */
    public function serviceBrowseRecentProfiles ($bDisplayEmptyMsg = false, $bAjaxPaginate = true, $sUnitView = false)
    {
        return $this->_serviceBrowse ('recent', $sUnitView ? array('unit_view' => $sUnitView) : false, BX_DB_PADDING_DEF, $bDisplayEmptyMsg, $bAjaxPaginate);
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_active_profiles browse_active_profiles
     * 
     * @code bx_srv('bx_persons', 'browse_active_profiles', [...]); @endcode
     * 
     * Browse recently active profiles
     * @param $bEmptyMessage optional, display or not "empty" message when there is no content
     * @param $bAjaxPaginate optional, use AJAX paginate or not
     * 
     * @see BxBaseModProfileModule::serviceBrowseActiveProfiles
     */
    /** 
     * @ref bx_base_profile-browse_active_profiles "browse_active_profiles"
     */
    public function serviceBrowseActiveProfiles ($sUnitView = false, $bEmptyMessage = false, $bAjaxPaginate = false)
    {
        return $this->_serviceBrowse ('active', $sUnitView ? array('unit_view' => $sUnitView) : false, BX_DB_PADDING_DEF, $bEmptyMessage, $bAjaxPaginate);
    }
    
    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_familiar_profiles browse_familiar_profiles
     * 
     * @code bx_srv('bx_persons', 'browse_familiar_profiles', [...]); @endcode
     * 
     * Browse profiles you might be familiar with. By default using 'Profile Friends' connection.
     * @param $bEmptyMessage optional, display or not "empty" message when there is no content
     * @param $bAjaxPaginate optional, use AJAX paginate or not
     * 
     * @see BxBaseModProfileModule::serviceBrowseFamiliarProfiles
     */
    /** 
     * @ref bx_base_profile-browse_familiar_profiles "browse_familiar_profiles"
     */
    public function serviceBrowseFamiliarProfiles ($sConnection = '', $sUnitView = false, $bEmptyMessage = false, $bAjaxPaginate = false)
    {
        $aParams = [
            'object' => 'sys_profiles_friends',
            'profile' => bx_get_logged_profile_id(),
        ];

        if(!empty($sConnection)) {
            if(is_string($sConnection))
                $aParams['object'] = $sConnection;
            else if(is_array($sConnection))
                $aParams = array_merge($aParams, $sConnection);
        }

        if($sUnitView)
            $aParams['unit_view'] = $sUnitView;

        return $this->_serviceBrowse ('familiar', $aParams, BX_DB_PADDING_DEF, $bEmptyMessage, $bAjaxPaginate);
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_top_profiles browse_top_profiles
     * 
     * @code bx_srv('bx_persons', 'browse_top_profiles', [...]); @endcode
     * 
     * Browse top profiles
     * @param $bEmptyMessage optional, display or not "empty" message when there is no content
     * @param $bAjaxPaginate optional, use AJAX paginate or not
     * 
     * @see BxBaseModProfileModule::serviceBrowseTopProfiles
     */
    /** 
     * @ref bx_base_profile-browse_top_profiles "browse_top_profiles"
     */
    public function serviceBrowseTopProfiles ($bDisplayEmptyMsg = false, $bAjaxPaginate = false)
    {
        return $this->_serviceBrowse ('top', false, BX_DB_PADDING_DEF, $bDisplayEmptyMsg, $bAjaxPaginate);
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_online_profiles browse_online_profiles
     * 
     * @code bx_srv('bx_persons', 'browse_online_profiles', [...]); @endcode
     * 
     * Browse online profiles
     * @param $bEmptyMessage optional, display or not "empty" message when there is no content
     * @param $bAjaxPaginate optional, use AJAX paginate or not
     * 
     * @see BxBaseModProfileModule::serviceBrowseOnlineProfiles
     */
    /** 
     * @ref bx_base_profile-browse_online_profiles "browse_online_profiles"
     */
    public function serviceBrowseOnlineProfiles ($bDisplayEmptyMsg = false, $bAjaxPaginate = false)
    {
        return $this->_serviceBrowse ('online', false, BX_DB_PADDING_DEF, $bDisplayEmptyMsg, $bAjaxPaginate);
    }

    public function serviceBrowseConnections ($iProfileId, $sObjectConnections = 'sys_profiles_friends', $sConnectionsType = 'content', $iMutual = false, $iDesignBox = BX_DB_PADDING_DEF, $iProfileId2 = 0)
    {
        return $this->_serviceBrowse (
            'connections', [
                'object' => $sObjectConnections,
                'type' => $sConnectionsType,
                'mutual' => $iMutual,
                'profile' => (int)$iProfileId,
                'profile2' => (int)$iProfileId2
            ], $iDesignBox
        );
    }

    public function serviceBrowseRelationsQuick ($iProfileId, $sObjectConnections = 'sys_profiles_friends', $sConnectionsType = 'content', $iMutual = false, $iProfileId2 = 0)
    {
        // get connections object
        $oConnection = BxDolConnection::getObjectInstance($sObjectConnections);
        if (!$oConnection)
            return '';       

        // set some vars
        $iStart = (int)bx_get('start');
        $iLimit = empty($this->_oConfig->CNF['PARAM_NUM_CONNECTIONS_QUICK']) ? 4 : getParam($this->_oConfig->CNF['PARAM_NUM_CONNECTIONS_QUICK']);
        if (!$iLimit)
            $iLimit = 4;

        // get connections array
        bx_import('BxDolConnection');
        $aConnections = $oConnection->getConnectionsAsArrayExt($sConnectionsType, $iProfileId, $iProfileId2, $iMutual, $iStart, $iLimit + 1, BX_CONNECTIONS_ORDER_ADDED_DESC);
        if(empty($aConnections) || !is_array($aConnections))
            return '';

        $aResult = array();
        foreach($aConnections as $iProfile => $aConnection)
            $aResult[] = array(
                'id' => $iProfile,
                'info' => array(
                    'addon' => $oConnection->getRelationTranslation($aConnection['relation'])
                )
            );

        return $this->_serviceBrowseQuick($aResult, $iStart, $iLimit);
    }

    public function serviceBrowseConnectionsQuick ($iProfileId, $sObjectConnections = 'sys_profiles_friends', $sConnectionsType = 'content', $iMutual = false, $iProfileId2 = 0)
    {
        // get connections object
        $oConnection = BxDolConnection::getObjectInstance($sObjectConnections);
        if (!$oConnection)
            return '';

        // set some vars
        $iLimit = empty($this->_oConfig->CNF['PARAM_NUM_CONNECTIONS_QUICK']) ? 4 : getParam($this->_oConfig->CNF['PARAM_NUM_CONNECTIONS_QUICK']);
        if (!$iLimit)
            $iLimit = 4;
        $iStart = (int)bx_get('start');

        // get connections array
        bx_import('BxDolConnection');
        $a = $oConnection->getConnectionsAsArray ($sConnectionsType, $iProfileId, $iProfileId2, $iMutual, (int)bx_get('start'), $iLimit + 1, BX_CONNECTIONS_ORDER_ADDED_DESC);
        if (!$a)
            return '';

        return $this->_serviceBrowseQuick($a, $iStart, $iLimit);
    }

    public function serviceBrowseConnectionsByType ($aParamsCnn, $aParamsBrs = array())
    {
        $sAll = 'all';

        $aParamsCnn['object'] = !empty($aParamsCnn['object']) ? $aParamsCnn['object'] : 'sys_profiles_friends';
        $aParamsCnn['type'] = !empty($aParamsCnn['type']) ? $aParamsCnn['type'] : 'content';
        $aParamsCnn['profile_id2'] = !empty($aParamsCnn['profile_id2']) ? (int)$aParamsCnn['profile_id2'] : 0;
        $aParamsCnn['mutual'] = isset($aParamsCnn['mutual']) ? $aParamsCnn['mutual'] : false;

        $oConnection = BxDolConnection::getObjectInstance($aParamsCnn['object']);
        if(!$oConnection)
            return '';

        $aSQLParts = $oConnection->getConnectionsAsSQLParts ($aParamsCnn['type'], 'sys_profiles', 'id', $aParamsCnn['profile_id'], $aParamsCnn['profile_id2'], $aParamsCnn['mutual']);

        $sType = !empty($aParamsBrs['type']) ? $aParamsBrs['type'] : $sAll;
        if(bx_get('type') !== false)
            $sType = bx_process_input(bx_get('type'));

        $iStart = (int)bx_get('start');

        $iLimitDefault = 4;
        $iLimit = !empty($this->_oConfig->CNF['PARAM_NUM_CONNECTIONS_QUICK']) ? getParam($this->_oConfig->CNF['PARAM_NUM_CONNECTIONS_QUICK']) : $iLimitDefault;
        if(!empty($aParamsBrs['per_page']))
            $iLimit = (int)$aParamsBrs['per_page'];
        if(!$iLimit)
            $iLimit = $iLimitDefault;

        $aProfiles = BxDolProfileQuery::getInstance()->getConnectedProfilesByType($aSQLParts, ($sType != $sAll ? $sType : ''), $iStart, $iLimit + 1);

        $mixedMenu = '';
        if(!isset($aParamsBrs['filter_menu']) || $aParamsBrs['filter_menu'] === true) {
            $aModules = array(
                array('name' => $sAll)
            );
            $aModules = array_merge($aModules, BxDolModuleQuery::getInstance()->getModulesBy(array('type' => 'modules', 'active' => 1)));

            $aMenuItems = array();
            foreach($aModules as $aModule)
                if($aModule['name'] == $sAll || BxDolRequest::serviceExists($aModule['name'], 'act_as_profile'))
                    $aMenuItems[] = array(
                    	'id' => $aModule['name'], 
                    	'name' => $aModule['name'], 
                    	'class' => '', 
                    	'link' => 'javascript:void(0)', 
                    	'onclick' => "return !loadDynamicBlockAutoPaginate(this, " . $iStart . ", " . $iLimit . ", " . bx_js_string(json_encode(array('type' => $aModule['name']))) . ");", 
                    	'target' => '_self', 
                    	'title' => _t('_' . $aModule['name']), 
                    	'active' => 1
                    );
    
            if(!empty($aMenuItems)) {
                $mixedMenu = new BxTemplMenu(array('template' => 'menu_vertical.html', 'menu_id'=> $this->_oConfig->getName() . '-connections-by-type', 'menu_items' => $aMenuItems));
                $mixedMenu->setSelected('', $sType);
            }
        }

        return array(
            'menu' => $mixedMenu,
            'content' => $this->_serviceBrowseQuick(array_keys($aProfiles), $iStart, $iLimit, array('type' => $sType))
        );
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-browse Browse
     * @subsubsection bx_base_profile-browse_by_acl browse_by_acl
     * 
     * @code bx_srv('bx_persons', 'browse_by_acl', [...]); @endcode
     * 
     * Browse profiles by membership(ACL) level
     * @param $mixedLevelId membership level, or array of membership levels
     * @param $iDesignBox optional, design box identifier
     * 
     * @see BxBaseModProfileModule::serviceBrowseByAcl
     */
    /** 
     * @ref bx_base_profile-browse_by_acl "browse_by_acl"
     */
	public function serviceBrowseByAcl ($mixedLevelId, $iDesignBox = BX_DB_PADDING_DEF)
    {
        return $this->_serviceBrowse (
            'acl',
            array(
                'level' => $mixedLevelId,
			),
            $iDesignBox,
            true
        );
    }

    public function serviceEntityEditCover($iContentId = 0)
    {
        return $this->_serviceEntityForm('editDataForm', $iContentId, $this->_oConfig->CNF['OBJECT_FORM_ENTRY_DISPLAY_EDIT_COVER']);
    }
    
    public function serviceEntityEditSettings($iContentId = 0)
    {
        $CNF = &$this->_oConfig->CNF;

        if(empty($CNF['OBJECT_FORM_ENTRY_DISPLAY_EDIT_SETTINGS']))
            return false;

        return $this->_serviceEntityForm('editDataForm', $iContentId, $CNF['OBJECT_FORM_ENTRY_DISPLAY_EDIT_SETTINGS']);
    }

    /**
     * @page service Service Calls
     * @section bx_base_profile Base Profile
     * @subsection bx_base_profile-page_blocks Page Blocks
     * @subsubsection bx_base_profile-entity_cover entity_cover
     * 
     * @code bx_srv('bx_persons', 'entity_cover', [...]); @endcode
     * 
     * Get cover
     * @param $iContentId content ID
     * 
     * @see BxBaseModProfileModule::serviceEntityCover
     */
    /** 
     * @ref bx_base_general-entity_cover "entity_cover"
     */
    public function serviceEntityCover ($iContentId = 0, $aParams = [])
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        if($this->_bIsApi) {
            $CNF = &$this->_oConfig->CNF;

            $aContentInfo['cover'] = $this->serviceGetCover($iContentId);
            $aContentInfo['image'] = $this->serviceGetThumb($iContentId);            

            $sKey = 'OBJECT_MENU_VIEW_ENTRY_META';
            if(!empty($CNF[$sKey]) && ($oMetaMenu = BxTemplMenu::getObjectInstance($CNF[$sKey])) !== false)
                $aContentInfo['meta_menu'] = $oMetaMenu->getCodeAPI();

            $sKey = 'OBJECT_MENU_ACTIONS_VIEW_ENTRY_ALL';
            if(!empty($CNF[$sKey]) && ($oActionMenu = BxTemplMenu::getObjectInstance($CNF[$sKey])) !== false)
                $aContentInfo['actions_menu'] = $oActionMenu->getCodeAPI();

            if(($oMenuManage = BxDolMenu::getObjectInstance('sys_site_manage')) !== false) {
                if(!empty($CNF['FIELD_ID']))
                    $oMenuManage->setContentId($aContentInfo[$CNF['FIELD_ID']]);

                $aObjectManage = [];
                if(!empty($CNF['OBJECT_MENU_MANAGE_VIEW_ENTRY']))
                    $aObjectManage = [$CNF['OBJECT_MENU_MANAGE_VIEW_ENTRY']];
                else if(!empty($CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY_MORE']))
                    $aObjectManage = [$CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY_MORE'], true];

                call_user_func_array([$oMenuManage, 'setObjectManage'], $aObjectManage);

                $aMenuManage = $oMenuManage->getCodeAPI();
                if(!empty($aMenuManage) && is_array($aMenuManage)) {
                    if(isset($aContentInfo['actions_menu']) && is_array($aContentInfo['actions_menu']))
                        $aContentInfo['actions_menu']['items'] = array_merge($aContentInfo['actions_menu']['items'], $aMenuManage['items']);
                    else
                       $aContentInfo['actions_menu'] = $aMenuManage;
                }   
            }

            if(($oProfile = BxDolProfile::getInstanceByContentAndType($iContentId, $this->getName())) !== false);
                $aContentInfo['profile'] = BxDolProfile::getData($oProfile, [
                    'get_avatar' => 'getAvatarBig',
                    'with_info' => false
                ]);

            return [bx_api_get_block('entity_cover', $aContentInfo)];
        }
        
        return $this->_oTemplate->getBlockCover($aContentInfo, $aParams);
    }
    
	/**
     * Entry comments
     */
    public function serviceEntityCommentsByProfile ($iProfileId)
    {
        $CNF = &$this->_oConfig->CNF;
        if(empty($CNF['OBJECT_COMMENTS']))
            return '';

        $oProfile = BxDolProfile::getInstance($iProfileId);
        if(!$oProfile)
            return '';

        return $this->_entityComments($CNF['OBJECT_COMMENTS'], $oProfile->getContentId());
    }

    /**
     * Entry social sharing block
     */
    public function serviceEntitySocialSharing ($mixedContent = false, $aParams = array())
    {
        if(!empty($mixedContent)) {
            if(!is_array($mixedContent))
               $mixedContent = array((int)$mixedContent, array());
        }
        else {
            $mixedContent = $this->_getContent();
            if($mixedContent === false)
                return false;
        }

        list($iContentId, $aContentInfo) = $mixedContent;    

        return parent::serviceEntitySocialSharing(array($iContentId, $aContentInfo), array(
            'id_thumb' => !empty($CNF['FIELD_PICTURE']) && !empty($aContentInfo[$CNF['FIELD_PICTURE']]) ? $aContentInfo[$CNF['FIELD_PICTURE']] : 0, 
        ));
    }

    public function serviceProfileMembership ($iContentId = 0)
    {
    	$mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

		return BxDolAcl::getInstance()->getProfileMembership($aContentInfo['profile_id']);
    }

    public function serviceProfileFriends ($iContentId = 0)
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        bx_import('BxDolConnection');
        $s = $this->serviceBrowseConnectionsQuick ($aContentInfo['profile_id'], 'sys_profiles_friends', BX_CONNECTIONS_CONTENT_TYPE_CONTENT, true);
        if (!$s)
            return MsgBox(_t('_sys_txt_empty'));

        return $s;
    }

    public function serviceProfileFriendsMutual ($iContentId = 0)
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        $iViewer = bx_get_logged_profile_id();
        $iOwner = (int)$aContentInfo['profile_id'];
        if($iViewer == $iOwner)
            return false;

        bx_import('BxDolConnection');
        $s = $this->serviceBrowseConnectionsQuick ($iOwner, 'sys_profiles_friends', BX_CONNECTIONS_CONTENT_TYPE_COMMON, true, $iViewer);
        if(!$s)
            return MsgBox(_t('_sys_txt_empty'));

        return $s;
    }

    public function serviceProfileSubscriptions ($iContentId = 0, $aParams = array())
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        bx_import('BxDolConnection');
        $aResult = $this->serviceBrowseConnectionsByType(array(
        	'profile_id' => $aContentInfo['profile_id'],  
        	'object' => 'sys_profiles_subscriptions', 
            'type' => BX_CONNECTIONS_CONTENT_TYPE_CONTENT
        ), array(
            'type' => isset($aParams['type']) ? $aParams['type'] : '',
            'filter_menu' => isset($aParams['filter_menu']) ? $aParams['filter_menu'] : true,
        ));
        if(empty($aResult['content']))
            $aResult['content'] = MsgBox(_t('_sys_txt_empty'));

        return $aResult;
    }

    public function serviceProfileSubscribedMe ($iContentId = 0)
    {
        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        bx_import('BxDolConnection');
        $s = $this->serviceBrowseConnectionsQuick ($aContentInfo['profile_id'], 'sys_profiles_subscriptions', BX_CONNECTIONS_CONTENT_TYPE_INITIATORS);
        if (!$s)
            return MsgBox(_t('_sys_txt_empty'));

        return $s;
    }

    public function serviceProfileRelations ($iContentId = 0, $aParams = array())
    {
        if(!BxDolRelation::isEnabled())
            return false;

        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        bx_import('BxDolConnection');
        $s = $this->serviceBrowseRelationsQuick ($aContentInfo['profile_id'], 'sys_profiles_relations', BX_CONNECTIONS_CONTENT_TYPE_CONTENT, 1);
        if (!$s)
            return MsgBox(_t('_sys_txt_empty'));

        return $s;
    }

    public function serviceProfileRelatedMe ($iContentId = 0)
    {
        if(!BxDolRelation::isEnabled())
            return false;

        $mixedContent = $this->_getContent($iContentId);
        if($mixedContent === false)
            return false;

        list($iContentId, $aContentInfo) = $mixedContent;

        bx_import('BxDolConnection');
        $s = $this->serviceBrowseRelationsQuick ($aContentInfo['profile_id'], 'sys_profiles_relations', BX_CONNECTIONS_CONTENT_TYPE_INITIATORS, 1);
        if (!$s)
            return MsgBox(_t('_sys_txt_empty'));

        return $s;
    }

    /**
     * check enabled profile activation letter
     */
    public function  serviceIsEnableProfileActivationLetter()
    {
        $CNF = &$this->_oConfig->CNF;
        return isset($CNF['PARAM_ENABLE_ACTIVATION_LETTER']) ? (bool)getParam($CNF['PARAM_ENABLE_ACTIVATION_LETTER']) : true;
    }

    public function serviceIsEnableRelations()
    {
        if(!BxDolRelation::isEnabled())
            return false;

        $sModule = $this->_oConfig->getName();
        $oRelations = BxDolConnection::getObjectInstance('sys_profiles_relations');
        return $oRelations->isRelationAvailableWithProfile($sModule) || $oRelations->isRelationAvailableFromProfile($sModule);
    }

    /**
     * For internal usage only.
     */
    public function serviceDeleteEntityService ($iContentId, $bDeleteWithContent = false)
    {
        return parent::serviceDeleteEntity ($iContentId, 'deleteDataService');
    }

	/**
     * Data for Notifications module
     */
    public function serviceGetNotificationsData()
    {
        $a = parent::serviceGetNotificationsData();

        $sModule = $this->_aModule['name'];
        
        $a['handlers'][] = array('group' => $sModule . '_timeline_post_common', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'timeline_post_common', 'module_name' => $sModule, 'module_method' => 'get_notifications_timeline_post_common', 'module_class' => 'Module');

        $a['settings'][] = array('group' => 'timeline_post', 'unit' => $sModule, 'action' => 'timeline_post_common', 'types' => array('follow_member'));

        $a['alerts'][] = array('unit' => $sModule, 'action' => 'timeline_post_common');

        return $a;
    }

    public function serviceGetNotificationsPost($aEvent)
    {
        $aResult = parent::serviceGetNotificationsVote($aEvent);
        if(empty($aResult) || !is_array($aResult) || !$this->serviceActAsProfile())
            return $aResult;

        $oProfile = BxDolProfile::getInstanceByContentAndType((int)$aEvent['object_id'], $this->_oConfig->getName());
        if($oProfile !== false)
            $aResult['entry_author'] = $oProfile->id();

        return $aResult;
    }

    public function serviceGetNotificationsVote($aEvent)
    {
        $aResult = parent::serviceGetNotificationsVote($aEvent);
        if(empty($aResult) || !is_array($aResult) || !$this->serviceActAsProfile())
            return $aResult;

        $oProfile = BxDolProfile::getInstanceByContentAndType((int)$aEvent['object_id'], $this->_oConfig->getName());
        if($oProfile !== false)
            $aResult['entry_author'] = $oProfile->id();

        return $aResult;
    }

    /**
     * Notification about new member requst in the group
     */
    public function serviceGetNotificationsTimelinePostCommon($aEvent)
    {
        $CNF = &$this->_oConfig->CNF;

        $iContentId = (int)$aEvent['object_id'];
        $oGroupProfile = BxDolProfile::getInstanceByContentAndType((int)$iContentId, $this->getName());
        if(!$oGroupProfile)
            return [];

        $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
        if(empty($aContentInfo) || !is_array($aContentInfo))
            return [];
            
        $aSubcontentInfo = BxDolService::call('bx_timeline', 'get_info', array((int)$aEvent['subobject_id'], false));
        if(empty($aSubcontentInfo) || !is_array($aSubcontentInfo))
            return [];

        $sEntrySummary = isset($aContentInfo[$CNF['FIELD_TEXT']]) ? $aContentInfo[$CNF['FIELD_TEXT']] : '';

        $sSubentryUrl = bx_absolute_url(str_replace(BX_DOL_URL_ROOT, '', BxDolService::call('bx_timeline', 'get_link', array((int)$aEvent['subobject_id']))), '{bx_url_root}');
        $sSubentrySample = $aSubcontentInfo['title'];
        if(empty($sSubentrySample))
            $sSubentrySample = strmaxtextlen($aSubcontentInfo['description'], 20, '...');
        $sSubentrySummary = $aSubcontentInfo['description'];

        return [
            'entry_sample' => $CNF['T']['txt_sample_single'],
            'entry_url' => bx_absolute_url(str_replace(BX_DOL_URL_ROOT, '', $oGroupProfile->getUrl()), '{bx_url_root}'),
            'entry_caption' => $oGroupProfile->getDisplayName(),
            'entry_summary' => $sEntrySummary,
            'entry_author' => $oGroupProfile->id(),
            'subentry_sample' => $sSubentrySample,
            'subentry_url' => $sSubentryUrl,
            'subentry_summary' => $sSubentrySummary,
            'lang_key' => $CNF['T']['txt_ntfs_timeline_post_common'],
        ];
    }

    /**
     * Data for Timeline module
     */
    public function serviceGetTimelineData()
    {
        $CNF = &$this->_oConfig->CNF;
        $sModule = $this->_aModule['name'];

        $aAlerts = array();
        $aHandlers = array();
        if(!empty($CNF['FIELD_PICTURE'])) {
            $aAlerts = array_merge($aAlerts, array(
                array('unit' => $sModule, 'action' => 'profile_picture_changed'),
                array('unit' => $sModule, 'action' => 'profile_picture_deleted')
            ));
            $aHandlers = array_merge($aHandlers, array(
                array('group' => $sModule . '_profile_picture', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'profile_picture_changed', 'module_name' => $sModule, 'module_method' => 'get_timeline_profile_picture', 'module_class' => 'Module',  'groupable' => 0, 'group_by' => ''),
                array('group' => $sModule . '_profile_picture', 'type' => 'delete', 'alert_unit' => $sModule, 'alert_action' => 'profile_picture_deleted')
            ));
        }

        if(!empty($CNF['FIELD_COVER'])) {
            $aAlerts = array_merge($aAlerts, array(
                array('unit' => $sModule, 'action' => 'profile_cover_changed'),
                array('unit' => $sModule, 'action' => 'profile_cover_deleted')
            ));
            $aHandlers = array_merge($aHandlers, array(
                array('group' => $sModule . '_profile_cover', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'profile_cover_changed', 'module_name' => $sModule, 'module_method' => 'get_timeline_profile_cover', 'module_class' => 'Module',  'groupable' => 0, 'group_by' => ''),
                array('group' => $sModule . '_profile_cover', 'type' => 'delete', 'alert_unit' => $sModule, 'alert_action' => 'profile_cover_deleted')
            ));
        }

    	$aResult = array();
        if(!empty($aAlerts) && !empty($aHandlers))
            $aResult = array(
            	'handlers' => $aHandlers,
            	'alerts' => $aAlerts
            );

        return $aResult;
    }

    /**
     * Entry post for Timeline module
     */
    public function serviceGetTimelineProfilePicture($aEvent, $aBrowseParams = [])
    {
        $aResult = $this->_serviceGetTimelineProfileImage($aEvent, $aBrowseParams, [
            'stg' => 'OBJECT_STORAGE',
            'trans' => ['OBJECT_IMAGES_TRANSCODER_GALLERY', 'OBJECT_IMAGES_TRANSCODER_AVATAR'],
            'trans_orig' => ['OBJECT_IMAGES_TRANSCODER_PICTURE', 'OBJECT_IMAGES_TRANSCODER_GALLERY'],
            'txt_ss' => 'txt_sample_pp_single',
            'txt_sswa' => 'txt_sample_pp_single_with_article',
            'txt_sa' => 'txt_sample_pi_action',
            'txt_sau' => 'txt_sample_pi_action_user'
        ]);

        if($aResult !== false)
            $aResult['allowed_view'] = ['module' => $this->_oConfig->getName(), 'method' => 'get_timeline_profile_picture_allowed_view'];

        return $aResult;
    }

    public function serviceGetTimelineProfilePictureAllowedView($aEvent)
    {
        return $this->_serviceGetTimelineProfileImageAllowedView($aEvent);
    }

    public function serviceGetTimelineProfileCover($aEvent, $aBrowseParams = [])
    {
        $aResult = $this->_serviceGetTimelineProfileImage($aEvent, $aBrowseParams, [
            'stg' => 'OBJECT_STORAGE_COVER',
            'trans' => ['OBJECT_IMAGES_TRANSCODER_GALLERY', 'OBJECT_IMAGES_TRANSCODER_COVER_THUMB'],
            'trans_orig' => ['OBJECT_IMAGES_TRANSCODER_COVER', 'OBJECT_IMAGES_TRANSCODER_GALLERY'],
            'txt_ss' => 'txt_sample_pc_single',
            'txt_sswa' => 'txt_sample_pc_single_with_article',
            'txt_sa' => 'txt_sample_pi_action',
            'txt_sau' => 'txt_sample_pi_action_user'
        ]);

        if($aResult !== false)
            $aResult['allowed_view'] = ['module' => $this->_oConfig->getName(), 'method' => 'get_timeline_profile_cover_allowed_view'];

        return $aResult;
    }
    
    public function serviceGetTimelineProfileCoverAllowedView($aEvent)
    {
        return $this->_serviceGetTimelineProfileImageAllowedView($aEvent);
    }

    public function serviceGetMenuItemTitleByConnection($sConnection, $sAction, $iContentProfileId, $iInitiatorProfileId = 0)
    {
        return $this->getMenuItemTitleByConnection($sConnection, $sAction, $iContentProfileId, $iInitiatorProfileId);
    }


    // ====== PERMISSION METHODS
    /**
     * @see iBxDolProfileService::serviceCheckAllowedProfileView
     */ 
    public function serviceCheckAllowedProfileView($iContentId)
    {        
        return $this->serviceCheckAllowedWithContent('View', $iContentId);
    }

    /**
     * @see iBxDolProfileService::serviceCheckAllowedProfileContact
     */ 
    public function serviceCheckAllowedProfileContact($iContentId)
    {        
        return $this->serviceCheckAllowedWithContent('Contact', $iContentId);
    }

    /**
     * @see iBxDolProfileService::serviceCheckAllowedPostInProfile
     */
    public function serviceCheckAllowedPostInProfile($iContentId, $sPostModule = '')
    {
        $CNF = &$this->_oConfig->CNF;

        if(!empty($CNF['FIELD_ALLOW_VIEW_TO']) && getParam('sys_treat_cxt_in_cxt_as_cnt') == 'on') {
            $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
            if($aContentInfo && isset($aContentInfo[$CNF['FIELD_ALLOW_VIEW_TO']]) && (int)$aContentInfo[$CNF['FIELD_ALLOW_VIEW_TO']] < 0)
                return _t('_sys_txt_access_denied');
        }

        // for groups based profiles we do have a Role permissions which have a higher priority than the site-wide permissions.
        if (method_exists($this, 'isAllowedModuleActionByProfile')) {
            $bResult = $this->isAllowedModuleActionByProfile($iContentId, $sPostModule, 'post');
            // if a profile is having a role and a role is having permissions set then it overrides the site-wide setting.
            if ($bResult !== NULL) return $bResult;
        }

        return $this->serviceCheckAllowedWithContent('Post', $iContentId);
    }

    /**
     * @see iBxDolProfileService::serviceCheckAllowedModuleActionInProfile
     */
    public function serviceCheckAllowedModuleActionInProfile($iContentId, $sPostModule, $sActionName)
    {
        if (method_exists($this, 'isAllowedModuleActionByProfile')) {
            $bResult = $this->isAllowedModuleActionByProfile($iContentId, $sPostModule, $sActionName);
            if ($bResult !== NULL) return $bResult;
        }

        return _t('_Access denied');
    }

    /**
     * @see iBxDolProfileService::serviceCheckSpacePrivacy
     */ 
    public function serviceCheckSpacePrivacy($iContentId)
    {
        return $this->serviceCheckAllowedProfileView($iContentId);
    }

    /**
     * Check if the profile can be viewed.
     * 
     * NOTE. This service should be used if it's needed to pass some specific values in 
     * $isPerformAction and $iProfileId parameters, otherwise it's recommended to use 
     * BxBaseModProfileModule::serviceCheckAllowedProfileView service method or 
     * BxDolProfile::checkAllowedProfileView method.
     * 
     * @param type $aDataEntry - entry which the action will be performed for
     * @param type $isPerformAction - perform or just check the action
     * @param type $iProfileId - performer's profile ID
     * @return integer - one of CHECK_ACTION_RESULT_XXX constants.
     */
    public function serviceCheckAllowedViewForProfile ($aDataEntry, $isPerformAction = false, $iProfileId = false)
    {
        if (!$iProfileId)
            $iProfileId = $this->_iProfileId;

        if(empty($aDataEntry) || !is_array($aDataEntry))
            return _t('_sys_txt_not_found');

        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->getName());
        if ($oProfile && $oProfile->id() == $iProfileId)
            return CHECK_ACTION_RESULT_ALLOWED;

        return parent::serviceCheckAllowedViewForProfile ($aDataEntry, $isPerformAction, $iProfileId);
    }

    /**
     * Check if posting (comment, post in Timeline) is available.
     * 
     * NOTE. This service should be used if it's needed to pass some specific values in 
     * $isPerformAction and $iProfileId parameters, otherwise it's recommended to use 
     * BxBaseModProfileModule::serviceCheckAllowedPostInProfile service method or 
     * BxDolProfile::checkAllowedPostInProfile method.
     * 
     * @param type $aDataEntry - entry which the action will be performed for
     * @param type $isPerformAction - perform or just check the action
     * @param type $iProfileId - performer's profile ID
     * @return integer - one of CHECK_ACTION_RESULT_XXX constants.
     */
    public function serviceCheckAllowedPostForProfile ($aDataEntry, $isPerformAction = false, $iProfileId = false)
    {
        $CNF = &$this->_oConfig->CNF;

        if(!$iProfileId)
            $iProfileId = $this->_iProfileId;

        // check is view allowed
        if(($mixedResult = $this->serviceCheckAllowedViewForProfile($aDataEntry, $isPerformAction, $iProfileId)) !== CHECK_ACTION_RESULT_ALLOWED)
            return $mixedResult;

        // moderator and owner always have access
        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$CNF['FIELD_ID']], $this->getName());
        if(($oProfile && $oProfile->id() == $iProfileId) || $this->_isModerator($isPerformAction))
            return CHECK_ACTION_RESULT_ALLOWED;

        // check privacy
        if(!empty($CNF['OBJECT_PRIVACY_POST'])) {
            $oPrivacy = BxDolPrivacy::getObjectInstance($CNF['OBJECT_PRIVACY_POST']);
            if($oPrivacy && !$oPrivacy->check($aDataEntry[$CNF['FIELD_ID']], $iProfileId))
                return _t('_sys_access_denied_to_private_content');
        }

        // check alert to allow custom checks
        $mixedResult = null;

        /**
         * @hooks
         * @hookdef hook-system-check_allowed_post 'system', 'check_allowed_post' - hook to override the result of checking whether 'post' action is allowed or not to specified profile
         * It's equivalent to @ref hook-system-check_allowed_view
         * @hook @ref hook-system-check_allowed_post
         */
        bx_alert('system', 'check_allowed_post', 0, 0, [
            'module' => $this->getName(), 
            'content_info' => $aDataEntry, 
            'profile_id' => $iProfileId, 
            'override_result' => &$mixedResult
        ]);
        if($mixedResult !== null)
            return $mixedResult;

        return CHECK_ACTION_RESULT_ALLOWED;
    }

    /**
     * Check if profile can be contacted.
     * 
     * NOTE. This service should be used if it's needed to pass some specific values in 
     * $isPerformAction and $iProfileId parameters, otherwise it's recommended to use 
     * BxBaseModProfileModule::serviceCheckAllowedProfileContact service method or 
     * BxDolProfile::checkAllowedProfileContact method.
     * 
     * @param type $aDataEntry - entry which the action will be performed for
     * @param type $isPerformAction - perform or just check the action
     * @param type $iProfileId - performer's profile ID
     * @return integer - one of CHECK_ACTION_RESULT_XXX constants.
     */
    public function serviceCheckAllowedContactForProfile ($aDataEntry, $isPerformAction = false, $iProfileId = false)
    {
        $mixedResult = $this->_serviceCheckAllowedContactForProfile($aDataEntry, $isPerformAction, $iProfileId);

        /**
         * @hooks
         * @hookdef hook-system-check_allowed_contact 'system', 'check_allowed_contact' - hook to override the result of checking whether 'contact' action is allowed or not to specified profile
         * It's equivalent to @ref hook-system-check_allowed_view
         * @hook @ref hook-system-check_allowed_contact
         */
        bx_alert('system', 'check_allowed_contact', 0, 0, [
            'module' => $this->getName(), 
            'content_info' => $aDataEntry, 
            'profile_id' => $iProfileId, 
            'override_result' => &$mixedResult
        ]);

        return $mixedResult;
    }

    public function serviceSetViewProfileCover($oPage, $aProfileInfo)
    {
        $this->_oTemplate->setCover($oPage,$aProfileInfo);
    }
    
    /** 
     * Returns list of members by mode with limited number of records for React Jot
     * @param string $sMode
     * @param int $iStart
     * @param int $iPerPage
     * @return mixed
     */
    public function serviceGetMembers($sMode = 'active', $iStart = 0, $iPerPage = 10){
        bx_import('SearchResult', $this->_aModule);
        $sClass = $this->_aModule['class_prefix'] . 'SearchResult';
        $o = new $sClass($sMode);

        $o -> aCurrent['paginate'] = array('perPage' => $iPerPage, 'forceStart' => $iStart);
        return $o -> getSearchData();
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden. So make sure to make strict(===) checking.
     */
    public function checkAllowedAdd ($isPerformAction = false)
    {
        if($this->serviceActAsProfile() && ($oAccount = BxDolAccount::getInstance()) !== false && $oAccount->isProfilesLimitReached())
            return _t('_sys_txt_access_denied');

        return parent::checkAllowedAdd ($isPerformAction);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden. So make sure to make strict(===) checking.
     */
    public function checkAllowedView ($aDataEntry, $isPerformAction = false)
    {
        return $this->serviceCheckAllowedViewForProfile ($aDataEntry, $isPerformAction);
    }
    
    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedViewProfileImage ($aDataEntry, $isPerformAction = false)
    {
        $CNF = &$this->_oConfig->CNF;

        // check privacy
        if (empty($CNF['OBJECT_PRIVACY_VIEW']) || isAdmin() || CHECK_ACTION_RESULT_ALLOWED === $this->checkAllowedEditAnyEntry())
            return CHECK_ACTION_RESULT_ALLOWED;

        $oPrivacy = BxDolPrivacy::getObjectInstance($CNF['OBJECT_PRIVACY_VIEW']);
        if ($oPrivacy && !$oPrivacy->check($aDataEntry[$CNF['FIELD_ID']]) && !$oPrivacy->isPartiallyVisible($aDataEntry[$CNF['FIELD_ALLOW_VIEW_TO']]))
            return _t('_sys_access_denied_to_private_content');

        return CHECK_ACTION_RESULT_ALLOWED;
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedViewCoverImage ($aDataEntry, $isPerformAction = false)
    {
        return $this->checkAllowedViewProfileImage($aDataEntry);
    }
    
    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedPost ($aDataEntry, $isPerformAction = false)
    {
        return $this->serviceCheckAllowedPostForProfile ($aDataEntry, $isPerformAction);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedContact ($aDataEntry, $isPerformAction = false)
    {
        return $this->serviceCheckAllowedContactForProfile ($aDataEntry, $isPerformAction);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedEdit ($aDataEntry, $isPerformAction = false)
    {
        if(empty($aDataEntry) || !is_array($aDataEntry))
            return _t('_sys_txt_not_found');

        // moderator always has access
        if ($this->_isModerator($isPerformAction))
            return CHECK_ACTION_RESULT_ALLOWED;

        // owner (checked by account instead of author!) always have access
        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->_aModule['name']);
        if (!$oProfile)
            return _t('_sys_txt_error_occured');

        if ($oProfile->id() == $this->_iProfileId || $oProfile->getAccountId() == $this->_iAccountId)
            return CHECK_ACTION_RESULT_ALLOWED;

        return _t('_sys_txt_access_denied');
    }

    /**
     * Check if user can change cover image
     */
    public function checkAllowedChangeCover ($aDataEntry, $isPerformAction = false)
    {
        // moderator always has access
        if ($this->_isModerator($isPerformAction))
            return CHECK_ACTION_RESULT_ALLOWED;

        // owner (checked by account instead of author!) always have access
        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->_aModule['name']);
        if (!$oProfile)
            return _t('_sys_txt_error_occured');

        if ($oProfile->id() == $this->_iProfileId || $oProfile->getAccountId() == $this->_iAccountId)
            return CHECK_ACTION_RESULT_ALLOWED;

        return _t('_sys_txt_access_denied');
    }

    /**
     * Check if user can change settings
     */
    public function checkAllowedChangeSettings ($aDataEntry, $isPerformAction = false)
    {
        // moderator always has access
        if ($this->_isModerator($isPerformAction))
            return CHECK_ACTION_RESULT_ALLOWED;

        // owner (checked by account instead of author!) always have access
        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->_aModule['name']);
        if (!$oProfile)
            return _t('_sys_txt_error_occured');

        if ($oProfile->id() == $this->_iProfileId || $oProfile->getAccountId() == $this->_iAccountId)
            return CHECK_ACTION_RESULT_ALLOWED;

        return _t('_sys_txt_access_denied');
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedDelete (&$aDataEntry, $isPerformAction = false)
    {
        // moderator always has access
        if ($this->_isModerator($isPerformAction))
            return CHECK_ACTION_RESULT_ALLOWED;

        // owner (checked by account instead of author!) always have access
        $aCheck = checkActionModule($this->_iProfileId, 'delete entry', $this->getName(), $isPerformAction);

        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->_aModule['name'], $isPerformAction);
        if (!$oProfile)
            return _t('_sys_txt_error_occured');

        if (($oProfile->id() == $this->_iProfileId || $oProfile->getAccountId() == $this->_iAccountId) && $aCheck[CHECK_ACTION_RESULT] === CHECK_ACTION_RESULT_ALLOWED)
            return CHECK_ACTION_RESULT_ALLOWED;

        return _t('_sys_txt_access_denied');
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedViewMoreMenu (&$aDataEntry, $isPerformAction = false)
    {
        $oMenu = BxTemplMenu::getObjectInstance($this->_oConfig->CNF['OBJECT_MENU_ACTIONS_VIEW_ENTRY_MORE']);
        if (!$oMenu || !$oMenu->getCode())
            return _t('_sys_txt_access_denied');
        return CHECK_ACTION_RESULT_ALLOWED;
    }

    /**
     * Compose differs from Contact. For example, a user should NOT be able to start conversation (compose) 
     * with himself but he should be able to view conversation page where he is one of the participants.
     * 
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedCompose(&$aDataEntry, $isPerformAction = false)
    {
        $CNF = &$this->_oConfig->CNF;

        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$CNF['FIELD_ID']], $this->getName());
        if($oProfile && $oProfile->id() == $this->_iProfileId)
            return _t('_sys_txt_access_denied');

        return $this->checkAllowedContact($aDataEntry, $isPerformAction);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedFriendAdd (&$aDataEntry, $isPerformAction = false)
    {
        return $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, ['sys_profiles_friends', 'checkAllowedAddConnection'], false, false);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedFriendRemove (&$aDataEntry, $isPerformAction = false)
    {
        if (CHECK_ACTION_RESULT_ALLOWED === $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, ['sys_profiles_friends', 'checkAllowedRemoveConnection'], false, true, true))
            return CHECK_ACTION_RESULT_ALLOWED;

        return $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, ['sys_profiles_friends', 'checkAllowedRemoveConnection'], false, true, false);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedRelationAdd (&$aDataEntry, $isPerformAction = false)
    {
        $sResult = _t('_sys_txt_access_denied');
        if(!BxDolRelation::isEnabled())
            return $sResult;

        if(($sMsg = $this->checkAllowedView($aDataEntry)) !== CHECK_ACTION_RESULT_ALLOWED)
            return $sMsg;

        return $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, 'sys_profiles_relations', false, false);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedRelationRemove (&$aDataEntry, $isPerformAction = false)
    {
        $sResult = _t('_sys_txt_access_denied');
        if(!BxDolRelation::isEnabled())
            return $sResult;

        return $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, 'sys_profiles_relations', false, true);
    }

    public function checkAllowedRelationsView (&$aDataEntry, $isPerformAction = false)
    {
        $sResult = _t('_sys_txt_access_denied');
        if(!BxDolRelation::isEnabled())
            return $sResult;

        $sModule = $this->_oConfig->getName();
        $oRelations = BxDolConnection::getObjectInstance('sys_profiles_relations');
        if(!$oRelations->isRelationAvailableWithProfile($sModule) && !$oRelations->isRelationAvailableFromProfile($sModule))
            return $sResult;

        if(empty($aDataEntry) || !is_array($aDataEntry))
            return $sResult;

        return CHECK_ACTION_RESULT_ALLOWED;
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedSubscribeAdd(&$aDataEntry, $isPerformAction = false)
    {
        $mixedResult = $this->_modProfileCheckAllowedSubscribeAdd($aDataEntry, $isPerformAction);

        /**
         * @hooks
         * @hookdef hook-system-check_allowed_subscribe_add 'system', 'check_allowed_subscribe_add' - hook to override the result of checking whether 'subscribe' action is allowed or not to currently logged in user
         * It's equivalent to @ref hook-system-check_allowed_view
         * @hook @ref hook-system-check_allowed_subscribe_add
         */
        bx_alert('system', 'check_allowed_subscribe_add', 0, 0, [
            'module' => $this->getName(), 
            'content_info' => $aDataEntry, 
            'profile_id' => bx_get_logged_profile_id(), 
            'override_result' => &$mixedResult
        ]);

        return $mixedResult;
    }

    /**
     * Note. Is mainly needed for internal usage. Access level is 'public' to allow outer calls from alerts.
     */
    public function _modProfileCheckAllowedSubscribeAdd(&$aDataEntry, $isPerformAction = false)
    {
        if(($sMsg = $this->checkAllowedView($aDataEntry)) !== CHECK_ACTION_RESULT_ALLOWED)
            return $sMsg;

        return $this->_checkAllowedConnect($aDataEntry, $isPerformAction, 'sys_profiles_subscriptions', false, false);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedSubscribeRemove (&$aDataEntry, $isPerformAction = false)
    {
        return $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, 'sys_profiles_subscriptions', false, true);
    }

    public function checkAllowedSubscriptionsView (&$aDataEntry, $isPerformAction = false)
    {
        $CNF = &$this->_oConfig->CNF;

        $sResult = _t('_sys_txt_access_denied');
        if(empty($aDataEntry) || !is_array($aDataEntry))
            return $sResult;

        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$CNF['FIELD_ID']], $this->_aModule['name']);
        if(!$oProfile || ($oProfile->id() != $this->_iProfileId && $this->_oDb->getParam($CNF['PARAM_PUBLIC_SBSN']) != 'on' && $this->_oDb->getParam($CNF['PARAM_PUBLIC_SBSD']) != 'on'))
            return $sResult;

        return CHECK_ACTION_RESULT_ALLOWED;
    }

    public function checkMyself($iContentId)
    {
		$iLogged = (int)bx_get_logged_profile_id();
    	if(empty($iLogged))
    		return false;

    	$oProfile = BxDolProfile::getInstanceByContentAndType((int)$iContentId, $this->_oConfig->getName());
    	if(!$oProfile)
    		return false;

		return $oProfile->id() == $iLogged;
    }
    
    public function isAllowDeleteOrDisable($iActorProfileId, $iTargetProfileId)
    {
        if (BxDolAcl::getInstance()->isMemberLevelInSet(array(MEMBERSHIP_ID_MODERATOR), $iActorProfileId) && BxDolAcl::getInstance()->isMemberLevelInSet(array(MEMBERSHIP_ID_MODERATOR, MEMBERSHIP_ID_ADMINISTRATOR), $iTargetProfileId))
            return false;
        
        return true;    
    }
    
    public function getProfileObject($iContentId)
    {
    	$oProfile = BxDolProfile::getInstanceByContentAndType((int)$iContentId, $this->_oConfig->getName());
        if (!$oProfile) 
            $oProfile = BxDolProfileUndefined::getInstance();

        return $oProfile;
    }

    protected function _serviceCheckAllowedContactForProfile($aDataEntry, $isPerformAction = false, $iProfileId = false)
    {
        $CNF = &$this->_oConfig->CNF;

        if(!$iProfileId)
            $iProfileId = $this->_iProfileId;

        /*
         * allow to 'contact myself'. It's needed to allow a user to view conversation page 
         * where he is one of the participants.
         */
        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$CNF['FIELD_ID']], $this->getName());
        if($oProfile && $oProfile->id() == $iProfileId)
            return CHECK_ACTION_RESULT_ALLOWED;

        // moderator always has access
        if($this->_isModeratorForProfile($isPerformAction, $iProfileId))
            return CHECK_ACTION_RESULT_ALLOWED;

        // check privacy
        if(!empty($CNF['OBJECT_PRIVACY_CONTACT'])) {
            $oPrivacy = BxDolPrivacy::getObjectInstance($CNF['OBJECT_PRIVACY_CONTACT']);
            if($oPrivacy && !$oPrivacy->check($aDataEntry[$CNF['FIELD_ID']], $iProfileId))
                return _t('_sys_access_denied_to_private_content');
        }

        return CHECK_ACTION_RESULT_ALLOWED;
    }

    // ====== COMMON METHODS
    public function isMenuItemVisible($sObject, &$aItem, &$aContentInfo)
    {
        $CNF = &$this->_oConfig->CNF;

        $bResult = parent::isMenuItemVisible($sObject, $aItem, $aContentInfo);
        if(!$bResult)
            return $bResult;

        if(($sField = 'FIELD_STG_TABS') && !empty($CNF[$sField]) && ($sTabs = $aContentInfo[$CNF[$sField]])) {
            $aTabs = explode(',', $sTabs);
            if(in_array($aItem['name'], $aTabs))
                return false;
        }

        return $bResult;
    }

    public function onUpdateImage($iContentId, $sFiledName, $sFiledValue, $iProfileId = 0)
    {
        $CNF = &$this->_oConfig->CNF;

        $sModule = $this->getName();

        if(!$iProfileId && ($oProfile = BxDolProfile::getInstanceByContentAndType($iContentId, $sModule)) !== false)
            $iProfileId = $oProfile->id();

        $aField2Method = [
            $CNF['FIELD_PICTURE'] => 'picture',
            $CNF['FIELD_COVER'] => 'cover',
        ];

        if(!empty($aField2Method[$sFiledName]))
            /**
             * @hooks
             * @hookdef hook-bx_base_profile-profile_picture_changed '{module_name}', 'profile_picture_changed' - hook after profile picture was changed
             * - $unit_name - module name
             * - $action - equals `profile_picture_changed`
             * - $object_id - image id
             * - $sender_id - profile id who performed the action
             * - $extra_params - array of additional params with the following array keys:
             *      - `object_author_id` - [int] profile id
             *      - `content` - [int] profile content id
             *      - `field` - [string] field name
             * @hook @ref hook-bx_base_profile-profile_picture_changed
             */
            /**
             * @hooks
             * @hookdef hook-bx_base_profile-profile_cover_changed '{module_name}', 'profile_cover_changed' - hook after profile cover was changed
             * It's equivalent to @ref hook-bx_base_profile-profile_picture_changed
             * @hook @ref hook-bx_base_profile-profile_cover_changed
             */
            bx_alert($sModule, 'profile_' . $aField2Method[$sFiledName] . '_changed', $sFiledValue, $iProfileId, [
                'object_author_id' => $iProfileId, 
                'content' => $iContentId, 
                'field' => $sFiledName
            ]);
    }

    protected function _alertParams($aContentInfo)
    {
        $aParams = parent::_alertParams($aContentInfo);

        $CNF = &$this->_oConfig->CNF;

        if(!empty($CNF['FIELD_STATUS']) && isset($aContentInfo[$CNF['FIELD_STATUS']]))
            $aParams['status'] = $aContentInfo[$CNF['FIELD_STATUS']];

        if(!empty($CNF['FIELD_STATUS_ADMIN']) && isset($aContentInfo[$CNF['FIELD_STATUS_ADMIN']]))
            $aParams['status_admin'] = $aContentInfo[$CNF['FIELD_STATUS_ADMIN']];

        if(!empty($CNF['FIELD_ALLOW_VIEW_TO']) && isset($aContentInfo[$CNF['FIELD_ALLOW_VIEW_TO']]))
            $aParams['privacy_view'] = $aContentInfo[$CNF['FIELD_ALLOW_VIEW_TO']];

        return $aParams;
    }

    public function alertAfterAdd($aContentInfo)
    {
        $CNF = &$this->_oConfig->CNF;

        $iContentId = (int)$aContentInfo[$CNF['FIELD_ID']];

        $aParams = $this->_alertParams($aContentInfo);
        
        /**
         * @hooks
         * @hookdef hook-bx_base_profile-added '{module_name}', 'added' - hook after profile was added
         * - $unit_name - module name
         * - $action - equals `added`
         * - $object_id - profile content id
         * - $sender_id - not used
         * - $extra_params - array of additional params with the following array keys:
         *      - `status` - [string] context status
         *      - `status_admin` - [string] context admin status
         *      - `privacy_view` - [int] or [string] privacy for view context action, @see BxDolPrivacy
         * @hook @ref hook-bx_base_profile-added
         */
        bx_alert($this->getName(), 'added', $iContentId, false, $aParams);
    }

    public function alertAfterEdit($aContentInfo)
    {
        $CNF = &$this->_oConfig->CNF;

        $sModule = $this->getName();
        $iContentId = (int)$aContentInfo[$CNF['FIELD_ID']];

        $aParams = $this->_alertParams($aContentInfo);
        /**
         * @hooks
         * @hookdef hook-bx_base_profile-edited '{module_name}', 'edited' - hook after profile was changed
         * It's equivalent to @ref hook-bx_base_profile-added
         * @hook @ref hook-bx_base_profile-edited
         */
        bx_alert($sModule, 'edited', $iContentId, false, $aParams);

        $oProfile = BxDolProfile::getInstanceByContentAndType($iContentId, $sModule);
        
        /**
         * @hooks
         * @hookdef hook-profile-edit 'profile', 'edit' - hook after profile was changed
         * - $unit_name - equals `profile`
         * - $action - equals `edit`
         * - $object_id - profile id
         * - $sender_id - not used
         * - $extra_params - array of additional params with the following array keys:
         *      - `content` - [int] profile content id
         *      - `module` - [string] module name
         * @hook @ref hook-profile-added
         */
        bx_alert('profile', 'edit', $oProfile->id(), 0, [
            'content' => $iContentId, 
            'module' => $sModule
        ]);
    }

    public function getProfileByCurrentUrl ()
    {
        $iProfileId = bx_process_input(bx_get('profile_id'), BX_DATA_INT);
        
        if ($iProfileId)
            return  BxDolProfile::getInstance($iProfileId);

        $iContentId = bx_process_input(bx_get('id'), BX_DATA_INT);
        if ($iContentId)
            return BxDolProfile::getInstanceByContentAndType($iContentId, $this->getName());
        
        return false;
    }
    
    public function getEntryImageData($aContentInfo, $sField = 'FIELD_PICTURE', $aTranscoders = array())
    {
        return parent::getEntryImageData($aContentInfo, $sField, $aTranscoders);
    }
    
    public function getProfileName ($aContentInfo)
    {
        return bx_process_output($aContentInfo[$this->_oConfig->CNF['FIELD_NAME']]);
    }
    
    public function getMenuItemTitleByConnection($sConnection, $sAction, $iContentProfileId, $iInitiatorProfileId = 0)
    {
        $oConnection = BxDolConnection::getObjectInstance($sConnection);
        if(!$oConnection)
            return false;
        
        if(!$iInitiatorProfileId)
            $iInitiatorProfileId = bx_get_logged_profile_id();

        $aResult = [];
        switch($sConnection) {
            case 'sys_profiles_friends':
                $aResult = $this->_getMenuItemTitleProfilesFriends($sAction, $iContentProfileId, $iInitiatorProfileId, $oConnection);
                break;

            case 'sys_profiles_subscriptions':
                $aResult = $this->_getMenuItemTitleProfilesSubscriptions($sAction, $iContentProfileId, $iInitiatorProfileId, $oConnection);
                break;
        }

        return $aResult;
    }

    protected function _getMenuItemTitleProfilesFriends($sAction, $iContentProfileId, $iInitiatorProfileId, &$oConnection)
    {
        $CNF = $this->_oConfig->getCNF();

        $aResult = [];
        if($oConnection->isConnectedNotMutual($iInitiatorProfileId, $iContentProfileId))
            $aResult = [
                'add' => _t(!empty($CNF['T']['menu_item_title_befriend_sent']) ? $CNF['T']['menu_item_title_befriend_sent'] : '_sys_menu_item_title_sm_befriend_sent'),
                'remove' => _t(!empty($CNF['T']['menu_item_title_unfriend_cancel']) ? $CNF['T']['menu_item_title_unfriend_cancel'] : '_sys_menu_item_title_sm_unfriend_cancel'),
            ];
        else if($oConnection->isConnectedNotMutual($iContentProfileId, $iInitiatorProfileId))
            $aResult = [
                'add' => _t(!empty($CNF['T']['menu_item_title_befriend_confirm']) ? $CNF['T']['menu_item_title_befriend_confirm'] : '_sys_menu_item_title_sm_befriend_confirm'),
                'remove' => _t(!empty($CNF['T']['menu_item_title_unfriend_reject']) ? $CNF['T']['menu_item_title_unfriend_reject'] : '_sys_menu_item_title_sm_unfriend_reject'),
            ];
        else if($oConnection->isConnected($iInitiatorProfileId, $iContentProfileId, true))
            $aResult = [
                'add' => '',
                'remove' => _t(!empty($CNF['T']['menu_item_title_unfriend']) ? $CNF['T']['menu_item_title_unfriend'] : '_sys_menu_item_title_sm_unfriend'),
            ];
        else
            $aResult = [
                'add' => _t(!empty($CNF['T']['menu_item_title_befriend']) ? $CNF['T']['menu_item_title_befriend'] : '_sys_menu_item_title_sm_befriend'),
                'remove' => '',
            ];

        return !empty($sAction) && isset($aResult[$sAction]) ? $aResult[$sAction] : $aResult;
    }

    protected function _getMenuItemTitleProfilesSubscriptions($sAction, $iContentProfileId, $iInitiatorProfileId, &$oConnection)
    {
        $CNF = $this->_oConfig->getCNF();

        $aResult = [];
        if($oConnection->isConnected($iInitiatorProfileId, $iContentProfileId))
            $aResult = [
                'add' => '',
                'remove' => _t(!empty($CNF['T']['menu_item_title_unsubscribe']) ? $CNF['T']['menu_item_title_unsubscribe'] : '_sys_menu_item_title_sm_unsubscribe'),
            ];
        else
            $aResult = [
                'add' => _t(!empty($CNF['T']['menu_item_title_subscribe']) ? $CNF['T']['menu_item_title_subscribe'] : '_sys_menu_item_title_sm_subscribe'),
                'remove' => '',
            ];

        return !empty($sAction) && !empty($aResult[$sAction]) ? $aResult[$sAction] : $aResult;
    }
    
    public function decodeDataAPI($aData, $aParams = [])
    {
        $CNF = $this->_oConfig->CNF;

        $sModule = $this->getName();
        $iId = (int)$aData[$CNF['FIELD_ID']];
        $oProfile = BxDolProfile::getInstanceByContentAndType($iId, $sModule);

        $aResult = [
            'id' => $iId, 
            'module' => $sModule,
            'module_title' => _t($CNF['T']['txt_sample_single']),
            'added' => $aData[$CNF['FIELD_ADDED']],
            'author' => $aData[$CNF['FIELD_AUTHOR']],
            'author_data' => $oProfile !== false ? BxDolProfile::getData($oProfile->id()) : '',
            'title' => $aData[$CNF['FIELD_TITLE']],
            $CNF['FIELD_TITLE'] => $aData[$CNF['FIELD_TITLE']],
            'url' => bx_api_get_relative_url($this->serviceGetLink($iId)),
            'image' => $this->serviceGetThumb($iId),
            'cover' => $this->serviceGetCover($iId),
        ];

        if(isset($aParams['template']) && $aParams['template'] == 'unit_wo_info')
            return $aResult;

        if(isset($aParams['extended']) && $aParams['extended'] === true)
            $aResult['text'] = $aData[$CNF['FIELD_TEXT']];

        if(getParam('sys_api_conn_in_prof_units') == 'on' && $oProfile !== false) {
            $iProfileId = $oProfile->id();
            $aResult['title'] = $oProfile->getDisplayName();
            $aResult['online'] = $oProfile->isOnline();
            if(($oConnection = BxDolConnection::getObjectInstance('sys_profiles_friends')) !== false && isset($CNF['URI_VIEW_FRIENDS'])) {
                $aResult['friends_count'] = $oConnection->getConnectedContentCount($iProfileId, true);
                $aResult['friends_list'] = $oConnection->getConnectedListAPI($iProfileId, true, BX_CONNECTIONS_CONTENT_TYPE_CONTENT);
                if(isLogged()) {
                    $iLoggedId = bx_get_logged_profile_id();
                    $aResult['mutual_friends_count'] = $oConnection->getCommonContentCount($iProfileId, $iLoggedId, true);
                    $aResult['mutual_friends_list'] = $oConnection->getCommonListAPI($iProfileId, $iLoggedId, true);
                }
            }

            if(($oConnection = BxDolConnection::getObjectInstance('sys_profiles_subscriptions')) !== false){
                $aResult['followers_count'] = $oConnection->getConnectedInitiatorsCount($iProfileId);
                $aResult['followers_list'] = $oConnection->getConnectedListAPI($iProfileId, false, BX_CONNECTIONS_CONTENT_TYPE_INITIATORS);
            }
        }

        $sKey = 'OBJECT_MENU_SNIPPET_META';
        if(!empty($CNF[$sKey]) && ($oMetaMenu = BxDolMenu::getObjectInstance($CNF[$sKey], $this->_oTemplate)) !== false) {
            $oPrivacy = BxDolPrivacy::getObjectInstance($CNF['OBJECT_PRIVACY_VIEW']);
            $bPublic = !$oPrivacy || $oPrivacy->check($iId) || $oPrivacy->isPartiallyVisible($aData[$CNF['FIELD_ALLOW_VIEW_TO']]);

            $oMetaMenu->setContentId($iId);
            $oMetaMenu->setContentPublic($bPublic);
            if(isset($aParams['context']))
                $oMetaMenu->setContext($aParams['context']);

            $aResult['meta'] = $oMetaMenu->getCodeAPI();
        }

        return $aResult;
    }


    // ====== PROTECTED METHODS
    protected function _checkAllowedConnect (&$aDataEntry, $isPerformAction, $mixedConnection, $isMutual, $isInvertResult, $isSwap = false)
    {
        if (!$this->_iProfileId)
            return _t('_sys_txt_access_denied');

        $CNF = &$this->_oConfig->CNF;

        $oProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$CNF['FIELD_ID']], $this->_aModule['name']);
        if (!$oProfile || $oProfile->id() == $this->_iProfileId)
            return _t('_sys_txt_access_denied');

        $sConnObject = '';
        $sConnMethod = 'checkAllowedConnect';
        if(is_array($mixedConnection))
            list($sConnObject, $sConnMethod) = $mixedConnection;
        else
            $sConnObject = $mixedConnection;

        return BxDolConnection::getObjectInstance($sConnObject)->$sConnMethod($this->_iProfileId, $oProfile->id(), $isPerformAction, $isMutual, $isInvertResult, $isSwap);
    }

    protected function _buildRssParams($sMode, $aArgs)
    {
        $aParams = array ();
        $sMode = bx_process_input($sMode);
        switch ($sMode) {
            case 'connections':
                $aParams = array(
                    'object' => isset($aArgs[0]) ? $aArgs[0] : '',
                    'type' => isset($aArgs[1]) ? $aArgs[1] : '',
                    'profile' => isset($aArgs[2]) ? (int)$aArgs[2] : 0,
                    'mutual' => isset($aArgs[3]) ? (int)$aArgs[3] : 0,
                    'profile2' => isset($aArgs[4]) ? (int)$aArgs[4] : 0,
                );
                break;
        }

        return $aParams;
    }

    protected function _serviceGetTimelineProfileImage($aEvent, $aBrowseParams, $aBuildParams)
    {
        $CNF = &$this->_oConfig->CNF;

        $aFileInfo = BxDolStorage::getObjectInstance($CNF[$aBuildParams['stg']])->getFile((int)$aEvent['object_id']);
        if(empty($aFileInfo) || !is_array($aFileInfo))
            return false;
            
        $aEventContent = unserialize($aEvent['content']);
        if(!is_array($aEventContent) || empty($aEventContent['content']))
            return false;

        $aContentInfo = $this->_oDb->getContentInfoById($aEventContent['content']);
        if(empty($aContentInfo) || !is_array($aContentInfo))
            return false;

        $oProfile = BxDolProfile::getInstanceMagic($aContentInfo['profile_id']);
        if (!$oProfile->isActive())
            return false;
            
        $sUserName = $oProfile->getDisplayName();

        $sSample = isset($CNF['T'][$aBuildParams['txt_sswa']]) ? $CNF['T'][$aBuildParams['txt_sswa']] : $CNF['T'][$aBuildParams['txt_ss']];

        //--- Title & Description
        $sTitle = !empty($aContentInfo[$CNF['FIELD_TITLE']]) ? $aContentInfo[$CNF['FIELD_TITLE']] : '';
        if(empty($sTitle) && !empty($aContentInfo[$CNF['FIELD_TEXT']]))
            $sTitle = $aContentInfo[$CNF['FIELD_TEXT']];

        $sDescription = _t($CNF['T'][$aBuildParams['txt_sau']], $sUserName, _t($sSample));

        return array(
            'owner_id' => $aEvent['owner_id'],
            'object_owner_id' => $aContentInfo['profile_id'],
            'icon' => !empty($CNF['ICON']) ? $CNF['ICON'] : '',
            'sample' => $sSample,
            'sample_wo_article' => $CNF['T'][$aBuildParams['txt_ss']],
            'sample_action' => isset($CNF['T'][$aBuildParams['txt_sa']]) ? $CNF['T'][$aBuildParams['txt_sa']] : '',
            'url' => bx_absolute_url(BxDolPermalinks::getInstance()->permalink('page.php?i=' . $CNF['URI_VIEW_ENTRY'] . '&id=' . $aContentInfo[$CNF['FIELD_ID']])),
            'content' => $this->_getContentForTimelineProfileImage($aEvent, $aBrowseParams, $aBuildParams, $aContentInfo, $aFileInfo), //a string to display or array to parse default template before displaying.
            'date' => $aContentInfo[$CNF['FIELD_ADDED']],
            'views' => '',
            'votes' => '',
            'scores' => '',
            'reports' => '',
            'comments' => '',
            'title' => $sTitle, //may be empty.
            'description' => $sDescription //may be empty.
        );
    }

    protected function _serviceGetTimelineProfileImageAllowedView($aEvent)
    {
        $sError = _t('_sys_access_denied_to_private_content');

        if(empty($aEvent['content']) || !is_array($aEvent['content']) || empty($aEvent['content']['id']))
            return $sError;

        $aContentInfo = $this->_oDb->getContentInfoById($aEvent['content']['id']);
        if(empty($aContentInfo) || !is_array($aContentInfo))
            return $sError;

        return $this->serviceCheckAllowedViewForProfile($aContentInfo);
    }

    protected function _getContentForTimelineProfileImage($aEvent, $aBrowseParams, $aBuildParams, $aContentInfo, $aFileInfo)
    {
    	$CNF = &$this->_oConfig->CNF;

    	$sUrl = bx_absolute_url(BxDolPermalinks::getInstance()->permalink('page.php?i=' . $CNF['URI_VIEW_ENTRY'] . '&id=' . $aContentInfo[$CNF['FIELD_ID']]));

    	//--- Image(s)
        $sImage = $this->_oConfig->getImageUrl($aFileInfo['id'], $aBuildParams['trans']);
        $sImageOrig = $this->_oConfig->getImageUrl($aFileInfo['id'], $aBuildParams['trans_orig']);
        if(!empty($sImage)) {
            if(empty($sImageOrig))
                $sImageOrig = $sImage;

            $a = ['id' => $aFileInfo['id'], 'url' => $sUrl, 'src' => $sImage];
            if(CHECK_ACTION_RESULT_ALLOWED === $this->checkAllowedView($aContentInfo)) {
                $a['src_orig'] = $sImageOrig;

                $sCnfKey = 'OBJECT_IMAGES_TRANSCODER_GALLERY';
                if(!empty($CNF[$sCnfKey]) && ($sSrcMedium = $this->_oConfig->getImageUrl($aFileInfo['id'], [$sCnfKey])) != '')
                    $a['src_medium'] = $sSrcMedium;
            }
            $aImages = [$a];
        }

    	return array(
            'sample' => isset($CNF['T'][$aBuildParams['txt_sswa']]) ? $CNF['T'][$aBuildParams['txt_sswa']] : $CNF['T'][$aBuildParams['txt_ss']],
            'sample_wo_article' => $CNF['T'][$aBuildParams['txt_ss']],
            'sample_action' => isset($CNF['T'][$aBuildParams['txt_sa']]) ? $CNF['T'][$aBuildParams['txt_sa']] : '',
            'id' => $aContentInfo[$CNF['FIELD_ID']],
            'url' => $sUrl,
            'title' =>  '',
            'text' => '',
            'images' => $aImages,
            'videos' => array()
        );
    }

    protected function _entityComments($sObject, $iId = 0)
    {
        if(!$iId)
            $iId = bx_process_input(bx_get('id'), BX_DATA_INT);

        if(!$iId)
            $iId = bx_process_input(bx_get('profile_id'), BX_DATA_INT);

        if(!$iId)
            return false;

        $oCmts = BxDolCmts::getObjectInstance($sObject, $iId);
        if(!$oCmts || !$oCmts->isEnabled())
            return false;

        if (bx_is_api())
            return [bx_srv('system', 'get_data_api', [['module' => $sObject, 'object_id' => $iId]], 'TemplCmtsServices')];

        return $oCmts->getCommentsBlock(array(), array('in_designbox' => false));
    }

    protected function _getContent($iContentId = 0, $sFuncGetContent = 'getContentInfoById')
    {
        if(!$iContentId && bx_get('id') === false && bx_get('profile_id') !== false) {
            $oProfile = BxDolProfile::getInstance((int)bx_get('profile_id'));
            if($oProfile)
                $iContentId = $oProfile->getContentId();
        }

        return parent::_getContent($iContentId, $sFuncGetContent);
    }
}

/** @} */