class.ilObjBlog.php

Go to the documentation of this file.

<?php

/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "Services/Object/classes/class.ilObject2.php";

class ilObjBlog extends ilObject2
{
        protected $notes; // [bool]
        protected $bg_color; // [string]
        protected $font_color; // [string]
        protected $img; // [string]
        protected $ppic; // [string]
        
        function initType()
        {
                $this->type = "blog";
        }

        protected function doRead()
        {
                global $ilDB;

                $set = $ilDB->query("SELECT * FROM il_blog".
                                " WHERE id = ".$ilDB->quote($this->id, "integer"));
                $row = $ilDB->fetchAssoc($set);
                $this->setNotesStatus((bool)$row["notes"]);
                $this->setProfilePicture((bool)$row["ppic"]);
                $this->setBackgroundColor($row["bg_color"]);
                $this->setFontColor($row["font_color"]);
                $this->setImage($row["img"]);
        }

        protected function doCreate()
        {
                global $ilDB;
                
                $ilDB->manipulate("INSERT INTO il_blog (id,notes,ppic) VALUES (".
                        $ilDB->quote($this->id, "integer").",".
                        $ilDB->quote(true, "integer").",".
                        $ilDB->quote(true, "integer").")");
        }
        
        protected function doDelete()
        {
                global $ilDB;
                
                $this->deleteImage();

                include_once "Modules/Blog/classes/class.ilBlogPosting.php";
                ilBlogPosting::deleteAllBlogPostings($this->id);
                
                // remove all notifications
                include_once "./Services/Notification/classes/class.ilNotification.php";
                ilNotification::removeForObject(ilNotification::TYPE_BLOG, $this->id);

                $ilDB->manipulate("DELETE FROM il_blog".
                        " WHERE id = ".$ilDB->quote($this->id, "integer"));
        }
        
        protected function doUpdate()
        {
                global $ilDB;
        
                if($this->id)
                {
                        $ilDB->manipulate("UPDATE il_blog".
                                        " SET notes = ".$ilDB->quote($this->getNotesStatus(), "integer").
                                        ",ppic = ".$ilDB->quote($this->hasProfilePicture(), "integer").
                                        ",bg_color = ".$ilDB->quote($this->getBackgroundColor(), "text").
                                        ",font_color = ".$ilDB->quote($this->getFontcolor(), "text").
                                        ",img = ".$ilDB->quote($this->getImage(), "text").
                                        " WHERE id = ".$ilDB->quote($this->id, "integer"));
                }
        }

        function getNotesStatus()
        {
                return $this->notes;
        }

        function setNotesStatus($a_status)
        {
                $this->notes = (bool)$a_status;
        }
        
        function hasProfilePicture()
        {
                return $this->ppic;
        }

        function setProfilePicture($a_status)
        {
                $this->ppic = (bool)$a_status;
        }
        
        function getBackgroundColor()
        {
                if(!$this->bg_color)
                {
                        $this->bg_color = "ffffff";
                }
                return $this->bg_color;
        }

        function setBackgroundColor($a_value)
        {
                $this->bg_color = (string)$a_value;
        }
        
        function getFontColor()
        {
                if(!$this->font_color)
                {
                        $this->font_color = "505050";
                }
                return $this->font_color;
        }

        function setFontColor($a_value)
        {               
                $this->font_color = (string)$a_value;
        }
        
        function getImage()
        {
                return $this->img;
        }

        function setImage($a_value)
        {               
                $this->img = (string)$a_value;
        }
        
        function getImageFullPath($a_as_thumb = false)
        {               
                if($this->img)
                {
                        $path = $this->initStorage($this->id);
                        if(!$a_as_thumb)
                        {
                                return $path.$this->img;
                        }
                        else
                        {
                                return $path."thb_".$this->img;
                        }
                }
        }
        
        public function deleteImage()
        {
                if($this->id)
                {
                        include_once "Modules/Blog/classes/class.ilFSStorageBlog.php";
                        $storage = new ilFSStorageBlog($this->id);
                        $storage->delete();
                        
                        $this->setImage(null);
                }
        }
                
        public static function initStorage($a_id, $a_subdir = null)
        {               
                include_once "Modules/Blog/classes/class.ilFSStorageBlog.php";
                $storage = new ilFSStorageBlog($a_id);
                $storage->create();
                
                $path = $storage->getAbsolutePath()."/";
                
                if($a_subdir)
                {
                        $path .= $a_subdir."/";
                        
                        if(!is_dir($path))
                        {
                                mkdir($path);
                        }
                }
                                
                return $path;
        }
        
        function uploadImage(array $a_upload)
        {
                if(!$this->id)
                {
                        return false;
                }
                
                $this->deleteImage();
        
                // #10074
                $clean_name = preg_replace("/[^a-zA-Z0-9\_\.\-]/", "", $a_upload["name"]);
        
                $path = $this->initStorage($this->id);
                $original = "org_".$this->id."_".$clean_name;
                $thumb = "thb_".$this->id."_".$clean_name;
                $processed = $this->id."_".$clean_name;
                
                if(@move_uploaded_file($a_upload["tmp_name"], $path.$original))
                {
                        chmod($path.$original, 0770);

                        $blga_set = new ilSetting("blga");      
                        $dimensions = $blga_set->get("banner_width")."x".
                                $blga_set->get("banner_height");
                        
                        // take quality 100 to avoid jpeg artefacts when uploading jpeg files
                        // taking only frame [0] to avoid problems with animated gifs
                        $original_file = ilUtil::escapeShellArg($path.$original);
                        $thumb_file = ilUtil::escapeShellArg($path.$thumb);
                        $processed_file = ilUtil::escapeShellArg($path.$processed);
                        ilUtil::execConvert($original_file."[0] -geometry 100x100 -quality 100 JPEG:".$thumb_file);
                        ilUtil::execConvert($original_file."[0] -geometry ".$dimensions."! -quality 100 JPEG:".$processed_file);
                        
                        $this->setImage($processed);
                        return true;
                }
                return false;
        }
        
        static function sendNotification($a_action, $a_blog_wsp_id, $a_posting_id)
        {
                global $ilUser;
                
                // get blog object id
                include_once "Services/PersonalWorkspace/classes/class.ilWorkspaceTree.php";
                $tree = new ilWorkspaceTree($ilUser->getId()); // owner of tree is irrelevant
                $blog_obj_id = $tree->lookupObjectId($a_blog_wsp_id);           
                if(!$blog_obj_id)
                {
                        return;
                }
                unset($tree);
        

                // recipients
                include_once "./Services/Notification/classes/class.ilNotification.php";                
                $users = ilNotification::getNotificationsForObject(ilNotification::TYPE_BLOG, 
                        $a_blog_wsp_id, $a_posting_id, ($a_action == "comment"));
                if(!sizeof($users))
                {
                        return;
                }
                
                ilNotification::updateNotificationTime(ilNotification::TYPE_BLOG, $a_blog_wsp_id, $users);
                
                
                // prepare mail content
                
                include_once "./Modules/Blog/classes/class.ilBlogPosting.php";
                $posting = new ilBlogPosting($a_posting_id);
                $posting_title = $posting->getTitle();          
                $blog_title = ilObject::_lookupTitle($blog_obj_id);
                                
                include_once "Services/PersonalWorkspace/classes/class.ilWorkspaceAccessHandler.php";
                $link = ilWorkspaceAccessHandler::getGotoLink($a_blog_wsp_id, $blog_obj_id, "_".$a_posting_id);
                
                
                // send mails
                
                include_once "./Services/Mail/classes/class.ilMail.php";
                include_once "./Services/User/classes/class.ilObjUser.php";
                include_once "./Services/Language/classes/class.ilLanguageFactory.php";
                include_once("./Services/User/classes/class.ilUserUtil.php");
                
                $owner = ilObject::_lookupOwner($blog_obj_id);
                
                foreach(array_unique($users) as $idx => $user_id)
                {
                        // the blog owner should only get comments notifications
                        if($a_action != "comment" && $user_id == $owner)
                        {
                                continue;
                        }
                        
                        // the user responsible for the action should not be notified
                        if($user_id != $ilUser->getId())
                        {
                                // use language of recipient to compose message
                                $ulng = ilLanguageFactory::_getLanguageOfUser($user_id);
                                $ulng->loadLanguageModule('blog');

                                $subject = sprintf($ulng->txt('blog_change_notification_subject'), $blog_title);
                                $message = sprintf($ulng->txt('blog_change_notification_salutation'), ilObjUser::_lookupFullname($user_id))."\n\n";

                                $message .= $ulng->txt('blog_change_notification_body_'.$a_action).":\n\n";
                                $message .= $ulng->txt('obj_blog').": ".$blog_title."\n";
                                $message .= $ulng->txt('blog_posting').": ".$posting_title."\n";
                                $message .= $ulng->txt('blog_changed_by').": ".ilUserUtil::getNamePresentation($ilUser->getId())."\n\n";
                                $message .= $ulng->txt('blog_change_notification_link').": ".$link;                             

                                $mail_obj = new ilMail(ANONYMOUS_USER_ID);
                                $mail_obj->appendInstallationSignature(true);
                                $mail_obj->sendMail(ilObjUser::_lookupLogin($user_id),
                                        "", "", $subject, $message, array(), array("system"));
                        }
                        else
                        {
                                unset($users[$idx]);
                        }
                }
        }
}

?>