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

/**
 * Groups profiles module.
 */
class BxBaseModGroupsModule extends BxBaseModProfileModule
{
    function __construct(&$aModule)
    {
        parent::__construct($aModule);
    }

    /**
     * Get possible recipients for start conversation form
     */
    public function actionAjaxGetInitialMembers ()
    {
        $sTerm = bx_get('term');

        $a = BxDolService::call('system', 'profiles_search', array($sTerm), 'TemplServiceProfiles');

        header('Content-Type:text/javascript; charset=utf-8');
        echo(json_encode($a));
    }

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

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

    /**
     * @see BxBaseModProfileModule::serviceGetSpaceTitle
     */ 
    public function serviceGetSpaceTitle()
    {
        return _t($this->_oConfig->CNF['T']['txt_sample_single']);
    }
    
    /**
     * @see iBxDolProfileService::serviceGetParticipatingProfiles
     */ 
    public function serviceGetParticipatingProfiles($iProfileId, $aConnectionObjects = false)
    {
        if (isset($this->_oConfig->CNF['OBJECT_CONNECTIONS'])){
            $aConnectionObjects = array($this->_oConfig->CNF['OBJECT_CONNECTIONS'], 'sys_profiles_subscriptions');
            return parent::serviceGetParticipatingProfiles($iProfileId, $aConnectionObjects);
        }
        return parent::serviceGetParticipatingProfiles($iProfileId);
    }
    
    /**
     * Check if this module entry can be used as profile
     */
    public function serviceActAsProfile ()
    {
        return false;
    }

    /**
     * Check if this module is group profile
     */
    public function serviceIsGroupProfile ()
    {
        return true;
    }

    /**
     * check if provided profile is member of the group 
     */ 
    public function serviceIsFan ($iGroupProfileId, $iProfileId = false) 
    {
        $oGroupProfile = BxDolProfile::getInstance($iGroupProfileId);
        return $this->isFan($oGroupProfile->getContentId(), $iProfileId);
    }

    /**
     * check if provided profile is admin of the group 
     */ 
    public function serviceIsAdmin ($iGroupProfileId, $iProfileId = false) 
    {
        if(!$iProfileId)
            $iProfileId = bx_get_logged_profile_id();

        $oGroupProfile = BxDolProfile::getInstance($iGroupProfileId);

        $iGroupContentId = $oGroupProfile->getContentId();
        if(!$this->isFan($iGroupContentId, $iProfileId))
            return false;

        $aGroupContentInfo = $this->_oDb->getContentInfoById($iGroupContentId);
        return $this->_oDb->isAdmin($iGroupProfileId, $iProfileId, $aGroupContentInfo);
    }
    
    /**
     * Delete profile from fans and admins tables
     * @param $iProfileId profile id 
     */
    public function serviceDeleteProfileFromFansAndAdmins ($iProfileId)
    {
        $CNF = &$this->_oConfig->CNF;

        $this->_oDb->deleteAdminsByProfileId($iProfileId);

        if (isset($CNF['OBJECT_CONNECTIONS']) && ($oConnection = BxDolConnection::getObjectInstance($CNF['OBJECT_CONNECTIONS'])))
            $oConnection->onDeleteInitiatorAndContent($iProfileId);
    }

    /**
     * Reset group's author for particular group
     * @param $iContentId group id 
     * @return false of error, or number of updated records on success
     */
    public function serviceReassignEntityAuthor ($iContentId)
    {
        $aContentInfo = $this->_oDb->getContentInfoById((int)$iContentId);
        if (!$aContentInfo)
            return false;

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

        $aAdmins = $this->_oDb->getAdmins($oGroupProfile->id());

        return $this->_oDb->updateAuthorById($iContentId, $aAdmins ? array_pop($aAdmins) : 0);
    }

    /**
     * Entry actions and social sharing block
     */
    public function serviceEntityAllActions ($mixedContent = false, $aParams = array())
    {
        $CNF = &$this->_oConfig->CNF;

        if(!empty($mixedContent)) {
            if(!is_array($mixedContent))
                $mixedContent = array((int)$mixedContent, (method_exists($this->_oDb, 'getContentInfoById')) ? $this->_oDb->getContentInfoById((int)$mixedContent) : array());
        }
        else {
            $mixedContent = $this->_getContent();
            if($mixedContent === false)
                return false;
        }

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

        if(!empty($CNF['FIELD_PICTURE']) && !empty($aContentInfo[$CNF['FIELD_PICTURE']]))
            $aParams = array_merge(array(
                'entry_thumb' => (int)$aContentInfo[$CNF['FIELD_PICTURE']]
            ), $aParams); 

        return parent::serviceEntityAllActions ($mixedContent, $aParams);
    }
    
    /**
     * Reset group's author when author profile is deleted
     * @param $iProfileId profile id 
     * @return number of changed items
     */
    public function serviceReassignEntitiesByAuthor ($iProfileId)
    {
        $a = $this->_oDb->getEntriesByAuthor((int)$iProfileId);
        if (!$a)
            return 0;

        $iCount = 0;
        foreach ($a as $aContentInfo)
            $iCount += ('' == $this->serviceReassignEntityAuthor($aContentInfo[$this->_oConfig->CNF['FIELD_ID']]) ? 1 : 0);

        return $iCount;
    }

    public function servicePrepareFields ($aFieldsProfile)
    {
        $CNF = &$this->_oConfig->CNF;
        
        $aFieldsProfile[$CNF['FIELD_NAME']] = $aFieldsProfile['name'];
        $aFieldsProfile[$CNF['FIELD_TEXT']] = isset($aFieldsProfile['description']) ? $aFieldsProfile['description'] : '';
        unset($aFieldsProfile['name']);
        unset($aFieldsProfile['description']);
        return $aFieldsProfile;
    }

    public function serviceOnRemoveConnection ($iGroupProfileId, $iInitiatorId)
    {
        $CNF = &$this->_oConfig->CNF;

        list ($iProfileId, $iGroupProfileId, $oGroupProfile) = $this->_prepareProfileAndGroupProfile($iGroupProfileId, $iInitiatorId);
        if (!$oGroupProfile)
            return false;

        $this->_oDb->fromAdmins($iGroupProfileId, $iProfileId);

        if ($oConn = BxDolConnection::getObjectInstance('sys_profiles_subscriptions'))
            return $oConn->removeConnection($iProfileId, $iGroupProfileId);

        return false;
    }

    public function serviceAddMutualConnection ($iGroupProfileId, $iInitiatorId, $bSendInviteOnly = false)
    {        
        $CNF = &$this->_oConfig->CNF;

        list ($iProfileId, $iGroupProfileId, $oGroupProfile) = $this->_prepareProfileAndGroupProfile($iGroupProfileId, $iInitiatorId);
        if (!$oGroupProfile)
            return false;

        if (!($aContentInfo = $this->_oDb->getContentInfoById((int)BxDolProfile::getInstance($iGroupProfileId)->getContentId())))
            return false;

        if (!isset($CNF['OBJECT_CONNECTIONS']) || !($oConnection = BxDolConnection::getObjectInstance($CNF['OBJECT_CONNECTIONS'])))
            return false;

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

        // send invitation to the group 
        if ($bSendInviteOnly && !$oConnection->isConnected((int)$iInitiatorId, $oGroupProfile->id()) && !$oConnection->isConnected($oGroupProfile->id(), (int)$iInitiatorId) && bx_get_logged_profile_id() != $iProfileId) {

            bx_alert($this->getName(), 'join_invitation', $aContentInfo[$CNF['FIELD_ID']], $iGroupProfileId, array('content' => $aContentInfo, 'entry_title' => $sEntryTitle, 'entry_url' => $sEntryUrl, 'group_profile' => $iGroupProfileId, 'profile' => $iProfileId, 'notification_subobject_id' => $iProfileId, 'object_author_id' => $iGroupProfileId));

        }
        // send notification to group's admins that new connection is pending confirmation 
        elseif (!$bSendInviteOnly && $oConnection->isConnected((int)$iInitiatorId, $oGroupProfile->id()) && !$oConnection->isConnected($oGroupProfile->id(), (int)$iInitiatorId) && $aContentInfo['join_confirmation']) {

            bx_alert($this->getName(), 'join_request', $aContentInfo[$CNF['FIELD_ID']], $iGroupProfileId, array(
            	'object_author_id' => $iGroupProfileId,
            	'performer_id' => $iProfileId, 

            	'content' => $aContentInfo, 
            	'entry_title' => $sEntryTitle, 
            	'entry_url' => $sEntryUrl, 

            	'group_profile' => $iGroupProfileId, 
            	'profile' => $iProfileId
            ));
        }
        // send notification that join request was accepted 
        else if (!$bSendInviteOnly && $oConnection->isConnected((int)$iInitiatorId, $oGroupProfile->id(), true) && $oGroupProfile->getModule() != $this->getName() && bx_get_logged_profile_id() != $iProfileId) {
            bx_alert($this->getName(), 'join_request_accepted', $aContentInfo[$CNF['FIELD_ID']], $iGroupProfileId, array(
            	'object_author_id' => $iGroupProfileId,
            	'performer_id' => $iProfileId,

            	'content' => $aContentInfo, 
            	'entry_title' => $sEntryTitle, 
            	'entry_url' => $sEntryUrl, 

            	'group_profile' => $iGroupProfileId, 
            	'profile' => $iProfileId
            ));
        }

        // new fan was added
        if ($oConnection->isConnected($oGroupProfile->id(), (int)$iInitiatorId, true)) {
            // follow group on join
            if (BxDolService::call($oGroupProfile->getModule(), 'act_as_profile')){
                 $this->addFollower($oGroupProfile->id(), (int)$iInitiatorId);
            }
            else{
                 $this->addFollower((int)$iInitiatorId, $oGroupProfile->id()); 
            }
            
            bx_alert($this->getName(), 'fan_added', $aContentInfo[$CNF['FIELD_ID']], $iGroupProfileId, array(
            	'object_author_id' => $iGroupProfileId,
            	'performer_id' => $iProfileId,

            	'content' => $aContentInfo,
            	'entry_title' => $sEntryTitle, 
            	'entry_url' => $sEntryUrl,

            	'group_profile' => $iGroupProfileId, 
            	'profile' => $iProfileId,
            ));
            
            $this->doAudit($iGroupProfileId, $iInitiatorId, '_sys_audit_action_group_join_request_accepted');
            
            return false;
        }

        // don't automatically add connection (mutual) if group requires manual join confirmation
        if ($bSendInviteOnly || $aContentInfo['join_confirmation'])
            return false;

        // check if connection already exists
        if ($oConnection->isConnected($oGroupProfile->id(), (int)$iInitiatorId, true) || $oConnection->isConnected($oGroupProfile->id(), (int)$iInitiatorId))
            return false;

        if (!$oConnection->addConnection($oGroupProfile->id(), (int)$iInitiatorId))
            return false;

        return true;
    }

    public function serviceFansTable ()
    {
        $oGrid = BxDolGrid::getObjectInstance($this->_oConfig->CNF['OBJECT_GRID_CONNECTIONS']);
        if (!$oGrid)
            return false;

        return $oGrid->getCode();
    }
    
	public function serviceInvitesTable ()
    {
		if (!isset($this->_oConfig->CNF['OBJECT_GRID_INVITES']))
			return false;
		
        $oGrid = BxDolGrid::getObjectInstance($this->_oConfig->CNF['OBJECT_GRID_INVITES']);
        if (!$oGrid)
            return false;

        return $oGrid->getCode();
    }
	
    public function serviceFans ($iContentId = 0, $bAsArray = false)
    {
        if (!$iContentId)
            $iContentId = bx_process_input(bx_get('id'), BX_DATA_INT);
        if (!$iContentId)
            return false;

        $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
        if (!$aContentInfo)
            return false;

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

        if(!$bAsArray) {
            bx_import('BxDolConnection');
            $mixedResult = $this->serviceBrowseConnectionsQuick ($oGroupProfile->id(), $this->_oConfig->CNF['OBJECT_CONNECTIONS'], BX_CONNECTIONS_CONTENT_TYPE_CONTENT, true);
            if (!$mixedResult)
                return MsgBox(_t('_sys_txt_empty'));
        }
        else
            $mixedResult = BxDolConnection::getObjectInstance($this->_oConfig->CNF['OBJECT_CONNECTIONS'])->getConnectedContent($oGroupProfile->id(), true);

        return $mixedResult;
    }

    public function serviceAdmins ($iContentId = 0)
    {
        $CNF = &$this->_oConfig->CNF;

        if(!$iContentId)
            $iContentId = bx_process_input(bx_get('id'), BX_DATA_INT);
        if(!$iContentId)
            return false;

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

        $iStart = (int)bx_get('start');
        $iLimit = !empty($CNF['PARAM_NUM_CONNECTIONS_QUICK']) ? getParam($CNF['PARAM_NUM_CONNECTIONS_QUICK']) : 4;
        if(!$iLimit)
            $iLimit = 4;
        
        $aProfiles = $this->_oDb->getAdmins($oGroupProfile->id(), $iStart,  $iLimit+1);
        if(empty($aProfiles) || !is_array($aProfiles))
            return false;

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

    public function serviceBrowseJoinedEntries ($iProfileId = 0, $bDisplayEmptyMsg = false)
    {
        if (!$iProfileId)
            $iProfileId = bx_process_input(bx_get('profile_id'), BX_DATA_INT);
        if (!$iProfileId)
            return '';

        return $this->_serviceBrowse ('joined_entries', array('joined_profile' => $iProfileId), BX_DB_PADDING_DEF, $bDisplayEmptyMsg);
    }

    public function serviceBrowseCreatedEntries ($iProfileId = 0, $bDisplayEmptyMsg = false)
    {
        if (!$iProfileId)
            $iProfileId = bx_process_input(bx_get('profile_id'), BX_DATA_INT);
        if (!$iProfileId)
            return '';

        return $this->_serviceBrowse ('created_entries', array('author' => $iProfileId), BX_DB_PADDING_DEF, $bDisplayEmptyMsg);
    }

    
    public function serviceEntityInvite ($iContentId = 0, $bErrorMsg = true)
    {
        if (bx_get('key')){
            if (isset($this->_oConfig->CNF['OBJECT_FORM_ENTRY_DISPLAY_JOIN']))
                return $this->_serviceEntityForm ('editDataForm', $iContentId, $this->_oConfig->CNF['OBJECT_FORM_ENTRY_DISPLAY_JOIN'], 'checkAllowedJoin', $bErrorMsg);
            return false;
        }
        else{
            if (isset($this->_oConfig->CNF['OBJECT_FORM_ENTRY_DISPLAY_INVITE']))
                return $this->_serviceEntityForm ('editDataForm', $iContentId, $this->_oConfig->CNF['OBJECT_FORM_ENTRY_DISPLAY_INVITE'], false, $bErrorMsg);
            return false;
        }
    }
    
    /**
     * 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;

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

        return parent::serviceEntitySocialSharing(array($iContentId, $aContentInfo), array(
            'title' => $oGroupProfile->getDisplayName()
        ));
    }

	/**
     * Data for Notifications module
     */
    public function serviceGetNotificationsData()
    {
    	$sModule = $this->_aModule['name'];

        $aSettingsTypes = array('follow_member', 'follow_context');
        if($this->serviceActAsProfile())
            $aSettingsTypes = array('personal', 'follow_member');

        return array(
            'handlers' => array(
                array('group' => $sModule . '_vote', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'doVote', 'module_name' => $sModule, 'module_method' => 'get_notifications_vote', 'module_class' => 'Module'),
                array('group' => $sModule . '_vote', 'type' => 'delete', 'alert_unit' => $sModule, 'alert_action' => 'undoVote'),
                
                array('group' => $sModule . '_score_up', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'doVoteUp', 'module_name' => $sModule, 'module_method' => 'get_notifications_score_up', 'module_class' => 'Module'),

                array('group' => $sModule . '_score_down', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'doVoteDown', 'module_name' => $sModule, 'module_method' => 'get_notifications_score_down', 'module_class' => 'Module'),

                array('group' => $sModule . '_fan_added', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'fan_added', 'module_name' => $sModule, 'module_method' => 'get_notifications_fan_added', 'module_class' => 'Module'),

                array('group' => $sModule . '_join_request', 'type' => 'insert', 'alert_unit' => $sModule, 'alert_action' => 'join_request', 'module_name' => $sModule, 'module_method' => 'get_notifications_join_request', 'module_class' => 'Module', 'module_event_privacy' => $this->_oConfig->CNF['OBJECT_PRIVACY_VIEW_NOTIFICATION_EVENT']),
                
                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'),
            ),
            'settings' => array(
                array('group' => 'vote', 'unit' => $sModule, 'action' => 'doVote', 'types' => $aSettingsTypes),

                array('group' => 'score_up', 'unit' => $sModule, 'action' => 'doVoteUp', 'types' => $aSettingsTypes),

                array('group' => 'score_down', 'unit' => $sModule, 'action' => 'doVoteDown', 'types' => $aSettingsTypes),
                
                array('group' => 'fan', 'unit' => $sModule, 'action' => 'fan_added', 'types' => $aSettingsTypes),

                array('group' => 'join', 'unit' => $sModule, 'action' => 'join_request', 'types' => $aSettingsTypes),

                array('group' => 'timeline_post', 'unit' => $sModule, 'action' => 'timeline_post_common', 'types' => $aSettingsTypes)
            ),
            'alerts' => array(
                array('unit' => $sModule, 'action' => 'doVote'),
                array('unit' => $sModule, 'action' => 'undoVote'),

                array('unit' => $sModule, 'action' => 'doVoteUp'),
                array('unit' => $sModule, 'action' => 'doVoteDown'),

                array('unit' => $sModule, 'action' => 'fan_added'),

                array('unit' => $sModule, 'action' => 'join_request'),

                array('unit' => $sModule, 'action' => 'timeline_post_common'),
            )
        );
    }

    /**
     * Notification about new member requst in the group
     */
    public function serviceGetNotificationsJoinRequest($aEvent)
    {
        return $this->_serviceGetNotification($aEvent, $this->_oConfig->CNF['T']['txt_ntfs_join_request']);
    }

	/**
     * Notification about new member in the group
     */
    public function serviceGetNotificationsFanAdded($aEvent)
    {
        return $this->_serviceGetNotification($aEvent, $this->_oConfig->CNF['T']['txt_ntfs_fan_added']);
    }

    protected function _serviceGetNotification($aEvent, $sLangKey)
    {
    	$CNF = &$this->_oConfig->CNF;

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

        $aContentInfo = $this->_oDb->getContentInfoById($iContentId);
        if(empty($aContentInfo) || !is_array($aContentInfo))
            return array();

        $oProfile = BxDolProfile::getInstance((int)$aEvent['subobject_id']);
        if(!$oProfile)
            return array();

        /*
         * Note. Group Profile URL is used for both Entry and Subentry URLs, 
         * because Subentry URL has higher display priority and notification
         * should be linked to Group Profile (Group Profile -> Members tab) 
         * instead of Personal Profile of a member, who performed an action.
         */
        $sEntryUrl = $oGroupProfile->getUrl();
        if(!empty($CNF['URL_ENTRY_FANS']))
            $sEntryUrl = BX_DOL_URL_ROOT . BxDolPermalinks::getInstance()->permalink($CNF['URL_ENTRY_FANS'], array(
                'profile_id' => $oGroupProfile->id()
            ));

        return array(
            'entry_sample' => $CNF['T']['txt_sample_single'],
            'entry_url' => $sEntryUrl,
            'entry_caption' => $oGroupProfile->getDisplayName(),
            'entry_author' => $oGroupProfile->id(),
            'subentry_sample' => $oProfile->getDisplayName(),
            'subentry_url' => $sEntryUrl,
            'lang_key' => $sLangKey
        );
    }

    /**
     * Data for Timeline module
     */
    public function serviceGetTimelineData()
    {
        return BxBaseModGeneralModule::serviceGetTimelineData();
    }

    /**
     * Entry post for Timeline module
     */
    public function serviceGetTimelinePost($aEvent, $aBrowseParams = array())
    {
        $a = parent::serviceGetTimelinePost($aEvent, $aBrowseParams);
        if($a === false)
            return false;

        $oGroupProfile = BxDolProfile::getInstanceByContentAndType($aEvent['object_id'], $this->getName());

        $a['content']['url'] = $oGroupProfile->getUrl();
        $a['content']['title'] = $oGroupProfile->getDisplayName();

        return $a;
    }


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

    public function serviceCheckAllowedViewForProfile ($aDataEntry, $isPerformAction = false, $iProfileId = false)
    {
        if ($this->isFan($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $iProfileId))
            return CHECK_ACTION_RESULT_ALLOWED;

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

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedCompose (&$aDataEntry, $isPerformAction = false)
    {
        if (!$this->isFan($aDataEntry[$this->_oConfig->CNF['FIELD_ID']]))
            return _t('_sys_txt_access_denied');
        
        return parent::checkAllowedCompose ($aDataEntry, $isPerformAction);
    }

    /**
     * @return CHECK_ACTION_RESULT_ALLOWED if access is granted or error message if access is forbidden.
     */
    public function checkAllowedFanAdd (&$aDataEntry, $isPerformAction = false)
    {
        if ($this->isFan($aDataEntry[$this->_oConfig->CNF['FIELD_ID']]) || !isLogged())
            return _t('_sys_txt_access_denied');

        return $this->_checkAllowedConnect ($aDataEntry, $isPerformAction, $this->_oConfig->CNF['OBJECT_CONNECTIONS'], true, false);
    }

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

    public function checkAllowedManageAdmins ($mixedDataEntry, $isPerformAction = false)
    {
        if (is_array($mixedDataEntry)) {
            $aDataEntry = $mixedDataEntry;
        }
        else {
            $oGroupProfile = BxDolProfile::getInstance((int)$mixedDataEntry);
            $aDataEntry = $oGroupProfile && $this->getName() == $oGroupProfile->getModule() ? $this->_oDb->getContentInfoById($oGroupProfile->getContentId()) : array();
        }

        return parent::checkAllowedEdit ($aDataEntry, $isPerformAction);
    }

    public function checkAllowedEdit ($aDataEntry, $isPerformAction = false)
    {
        $oGroupProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->getName());
        if ($this->_oDb->isAdmin($oGroupProfile->id(), bx_get_logged_profile_id(), $aDataEntry))
            return CHECK_ACTION_RESULT_ALLOWED;
        return parent::checkAllowedEdit ($aDataEntry, $isPerformAction);
    }

    public function checkAllowedInvite ($aDataEntry, $isPerformAction = false)
    {
        return $this->checkAllowedEdit ($aDataEntry, $isPerformAction);
    }
    
    public function checkAllowedChangeCover ($aDataEntry, $isPerformAction = false)
    {
        $oGroupProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->getName());
        if ($this->_oDb->isAdmin($oGroupProfile->id(), bx_get_logged_profile_id(), $aDataEntry))
            return CHECK_ACTION_RESULT_ALLOWED;
        return parent::checkAllowedChangeCover ($aDataEntry, $isPerformAction);
    }

    public function checkAllowedDelete (&$aDataEntry, $isPerformAction = false)
    {
        $oGroupProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->getName());
        if ($oGroupProfile && $this->_oDb->isAdmin($oGroupProfile->id(), bx_get_logged_profile_id(), $aDataEntry))
            return CHECK_ACTION_RESULT_ALLOWED;
        return parent::checkAllowedDelete ($aDataEntry, $isPerformAction);
    }
    
    public function checkAllowedJoin(&$aDataEntry, $isPerformAction = false)
    {
        if (bx_get('key')){
            $sKey = bx_get('key');
            $oGroupProfile = BxDolProfile::getInstanceByContentAndType($aDataEntry[$this->_oConfig->CNF['FIELD_ID']], $this->getName());
            $aData = $this->_oDb->getInviteByKey($sKey, $oGroupProfile->id());
            if (isset($aData['invited_profile_id']) && $aData['invited_profile_id'] == bx_get_logged_profile_id()){
                return CHECK_ACTION_RESULT_ALLOWED;
            }
        }   
        return _t('_sys_txt_access_denied');
    }   

    public function checkAllowedSubscribeAdd (&$aDataEntry, $isPerformAction = false)
    {
        if (!$this->isFan($aDataEntry[$this->_oConfig->CNF['FIELD_ID']]))
            return _t('_sys_txt_access_denied');

        return $this->_checkAllowedSubscribeAdd ($aDataEntry, $isPerformAction);
    }
    
    public function _checkAllowedSubscribeAdd (&$aDataEntry, $isPerformAction = false)
    {
        return parent::checkAllowedSubscribeAdd ($aDataEntry, $isPerformAction);
    }
    
    public function doAudit($iGroupProfileId, $iFanId, $sAction)
    {
        $oProfile = BxDolProfile::getInstance($iFanId);
        
        $iContentId = $oProfile->getContentId();
        $sModule = $oProfile->getModule();
        $oModule = BxDolModule::getInstance($sModule);
        $CNF = $oModule->_oConfig->CNF;
        
        $aContentInfo = BxDolRequest::serviceExists($sModule, 'get_all') ? BxDolService::call($sModule, 'get_all', array(array('type' => 'id', 'id' => $iContentId))) : array();
        
        $AuditParams = array(
            'content_title' => (isset($CNF['FIELD_TITLE']) && isset($aContentInfo[$CNF['FIELD_TITLE']])) ? $aContentInfo[$CNF['FIELD_TITLE']] : '',
            'context_profile_id' => $iGroupProfileId,
            'context_profile_title' => BxDolProfile::getInstance($iGroupProfileId)->getDisplayName()
        );
        
        bx_audit(
            $iContentId, 
            $sModule, 
            $sAction,  
            $AuditParams
        );
    }
    
    protected function _checkAllowedConnect (&$aDataEntry, $isPerformAction, $sObjConnection, $isMutual, $isInvertResult, $isSwap = false)
    {
        $sResult = $this->checkAllowedView($aDataEntry);

        $oPrivacy = BxDolPrivacy::getObjectInstance($this->_oConfig->CNF['OBJECT_PRIVACY_VIEW']);

        // if profile view isn't allowed but visibility is in partially visible groups 
        // then display buttons to connect (befriend, join) to profile, 
        // if other conditions (in parent::_checkAllowedConnect) are met as well
        if (CHECK_ACTION_RESULT_ALLOWED !== $sResult && !in_array($aDataEntry[$this->_oConfig->CNF['FIELD_ALLOW_VIEW_TO']], array_merge($oPrivacy->getPartiallyVisiblePrivacyGroups(), array('s'))))
            return $sResult;

        return parent::_checkAllowedConnect ($aDataEntry, $isPerformAction, $sObjConnection, $isMutual, $isInvertResult, $isSwap);
    }

    public function addFollower ($iProfileId1, $iProfileId2)
    {
        $oConnectionFollow = BxDolConnection::getObjectInstance('sys_profiles_subscriptions');
        if($oConnectionFollow && !$oConnectionFollow->isConnected($iProfileId1, $iProfileId2)){
            $oConnectionFollow->addConnection($iProfileId1, $iProfileId2);
            return true;
        }
        return false;
    }
    
    public function isFan ($iContentId, $iProfileId = false) 
    {
        $oGroupProfile = BxDolProfile::getInstanceByContentAndType($iContentId, $this->getName());
        if (isset($this->_oConfig->CNF['OBJECT_CONNECTIONS']))
            return $oGroupProfile && ($oConnection = BxDolConnection::getObjectInstance($this->_oConfig->CNF['OBJECT_CONNECTIONS'])) && $oConnection->isConnected($iProfileId ? $iProfileId : bx_get_logged_profile_id(), $oGroupProfile->id(), true);
        return false;
    }

    protected function _getImagesForTimelinePost($aEvent, $aContentInfo, $sUrl, $aBrowseParams = array())
    {
        $CNF = &$this->_oConfig->CNF;

        $oGroupProfile = BxDolProfile::getInstanceByContentAndType($aEvent['object_id'], $this->getName());

        $sSrc = '';
        if(isset($CNF['FIELD_COVER']) && !empty($aContentInfo[$CNF['FIELD_COVER']]))
            $sSrc = $oGroupProfile->getCover();

        if(empty($sSrc) && isset($CNF['FIELD_PICTURE']) && !empty($aContentInfo[$CNF['FIELD_PICTURE']]))
            $sSrc = $oGroupProfile->getPicture();

        return empty($sSrc) ? array() : array(
            array('id' => $aContentInfo[$CNF['FIELD_PICTURE']], 'url' => $sUrl, 'src' => $sSrc, 'src_orig' => $sSrc),
        );
    }

    protected function _prepareProfileAndGroupProfile($iGroupProfileId, $iInitiatorId)
    {
        if (!($oGroupProfile = BxDolProfile::getInstance($iGroupProfileId)))
            return array(0, 0, null);

        if ($oGroupProfile->getModule() == $this->getName()) {
            $iProfileId = $iInitiatorId;
            $iGroupProfileId = $oGroupProfile->id();
        } else {
            $iProfileId = $oGroupProfile->id();
            $iGroupProfileId = $iInitiatorId;
        }

        return array($iProfileId, $iGroupProfileId, $oGroupProfile);
    }
}

/** @} */