class.ilChatroomSmilies.php

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


class ilChatroomSmilies
{

        private static function _setupDatabase()
        {
                global $ilDB;

                $fields = array(
                        'smiley_id' => array(
                                'type' => 'integer',
                                'length' => 4,
                ),
                        'smiley_keywords' => array(
                                'type' => 'text',
                                'length' => 100,
                ),
                        'smiley_path' => array(
                                'type' => 'text',
                                'length' => 200,
                )
                );

                //$ilDB->dropTable( "chatroom_smilies" );
                //$ilDB->dropTable( "chatroom_smilies_seq" );

                $ilDB->createTable( 'chatroom_smilies', $fields );
                $ilDB->addPrimaryKey( 'chatroom_smilies', array('smiley_id') );
                $ilDB->createSequence( 'chatroom_smilies' );
        }

        private static function _insertDefaultValues()
        {
                global $ilDB;

                $values = array(
                array("icon_smile.gif", ":)\n:-)\n:smile:"),
                array("icon_wink.gif", ";)\n;-)\n:wink:"),
                array("icon_laugh.gif", ":D\n:-D\n:laugh:\n:grin:\n:biggrin:"),
                array("icon_sad.gif", ":(\n:-(\n:sad:"),
                array("icon_shocked.gif", ":o\n:-o\n:shocked:"),
                array("icon_tongue.gif", ":p\n:-p\n:tongue:"),
                array("icon_cool.gif", ":cool:"),
                array("icon_eek.gif", ":eek:"),
                array("icon_angry.gif", ":||\n:-||\n:angry:"),
                array("icon_flush.gif", ":flush:"),
                array("icon_idea.gif", ":idea:"),
                array("icon_thumbup.gif", ":thumbup:"),
                array("icon_thumbdown.gif", ":thumbdown:"),
                );

                $stmt = $ilDB->prepare("
                        INSERT INTO chatroom_smilies (smiley_id, smiley_keywords, smiley_path)
                        VALUES (?, ?, ?)",
                array( "integer", "text", "text" )
                );

                foreach( $values as $val )
                {
                        $row = array(
                        $ilDB->nextID( "chatroom_smilies" ),
                        $val[1],
                        $val[0]
                        );
                        $stmt->execute( $row );
                }
        }

        private static function _setupFolder()
        {
                $path = ilUtil::getWebspaceDir() . '/chatroom/smilies';

                if( !is_dir( $path ) )
                {
                        mkdir( $path, 0755, true );
                }
        }

        public static function _getSmileyDir()
        {
                return ilUtil::getWebspaceDir() . '/chatroom/smilies';
        }

        public static function _initial()
        {
                self::_setupDatabase();
                self::_insertDefaultValues();
                self::_setupFolder();
        }

        public static function _checkSetup()
        {
                global $lng;

                $path = self::_getSmileyDir();

                if( !is_dir( $path ) )
                {
                        ilUtil::sendInfo( $lng->txt( 'chatroom_smilies_dir_not_exists' ) );
                        ilUtil::makeDirParents( $path );

                        if( !is_dir( $path ) )
                        {
                                ilUtil::sendFailure( $lng->txt( 'chatroom_smilies_dir_not_available' ) );
                                return false;
                        }
                        else
                        {
                                $smilies = array(
                                        "icon_smile.gif",
                                        "icon_wink.gif",
                                        "icon_laugh.gif",
                                        "icon_sad.gif",
                                        "icon_shocked.gif",
                                        "icon_tongue.gif",
                                        "icon_cool.gif",
                                        "icon_eek.gif",
                                        "icon_angry.gif",
                                        "icon_flush.gif",
                                        "icon_idea.gif",
                                        "icon_thumbup.gif",
                                        "icon_thumbdown.gif",
                                );

                                foreach( $smilies as $smiley )
                                {
                                        copy( "templates/default/images/emoticons/$smiley", $path . "/$smiley" );
                                }

                                self::_insertDefaultValues();
                                ilUtil::sendSuccess( $lng->txt( 'chatroom_smilies_initialized' ) );
                        }
                }

                if( !is_writable( $path ) )
                {
                        ilUtil::sendInfo( $lng->txt( 'chatroom_smilies_dir_not_writable' ) );
                }

                return true;
        }

        public static function _getSmilies()
        {
                global $ilDB;

                $res = $ilDB->query(
                        "SELECT smiley_id, smiley_keywords, smiley_path
                                FROM chatroom_smilies"
                                );
                                $result = array();

                                for( $i = 0; $i < $res->numRows(); $i++ )
                                {
                                        $tmp = $res->fetchRow();
                                        $result[] = array(
                                "smiley_id"                     => $tmp[0],
                                "smiley_keywords"       => $tmp[1],
                                "smiley_path"           => $tmp[2],
                                "smiley_fullpath"       => ilUtil::getWebspaceDir() . '/chatroom/smilies/' . $tmp[2]
                                        );
                                }
                                return $result;
        }

        public static function _getSmiley($a_id)
        {
                global $ilDB;

                $res = $ilDB->queryF( "
                        SELECT smiley_id, smiley_keywords, smiley_path
                        FROM chatroom_smilies
                        WHERE smiley_id = %s ", 
                array('integer'), array($a_id)
                );

                if( $res->numRows() )
                {
                        $tmp = $res->fetchRow();
                        $result = array(
                                "smiley_id"                     => $tmp[0],
                                "smiley_keywords"       => $tmp[1],
                                "smiley_path"           => $tmp[2],
                                "smiley_fullpath"       => ilUtil::getWebspaceDir() . '/chatroom/smilies/' . $tmp[2]
                        );
                        return $result;
                }
                throw new Exception( 'smiley with id $a_id not found' );
        }

        public static function _getSmiliesById($ids = array())
        {
                global $ilDB;

                if( !count( $ids ) )
                return;

                $sql = "SELECT smiley_id, smiley_keywords, smiley_path FROM chatroom_smilies WHERE ";

                $sql_parts = array();

                foreach( $ids as $id )
                {
                        $sql_parts[] .= "smiley_id = " . $ilDB->quote( $id, "integer" );
                }

                $sql .= join( " OR ", $sql_parts );
                $res = $ilDB->query( $sql );
                $result = array();

                for( $i = 0; $i < $res->numRows(); $i++ )
                {
                        $tmp = $res->fetchRow();
                        $result[] = array(
                                "smiley_id"                     => $tmp[0],
                                "smiley_keywords"       => $tmp[1],
                                "smiley_path"           => $tmp[2],
                                "smiley_fullpath"       => ilUtil::getWebspaceDir() . '/chatroom/smilies/' . $tmp[2]
                        );
                }
                return $result;
        }

        public static function _deleteMultipleSmilies($ids = array())
        {
                global $ilDB;

                $smilies = self::_getSmiliesById( $ids );

                if( count( $smilies ) <= 0 )
                return;

                $sql_parts = array();

                foreach( $smilies as $s )
                {
                        unlink( $s["smiley_fullpath"] );
                        $sql_parts[] = "smiley_id = " . $ilDB->quote( $s["smiley_id"], 'integer' );
                }

                $ilDB->manipulate( "DELETE FROM chatroom_smilies WHERE " . join( " OR ", $sql_parts ) );
        }

        public static function _updateSmiley($data)
        {
                global $ilDB;

                $ilDB->manipulateF(
                                "UPDATE chatroom_smilies
                                        SET smiley_keywords = %s
                                WHERE
                                        smiley_id = %s",
                array('text', 'integer'),
                array($data["smiley_keywords"], $data["smiley_id"])
                );

                if( $data["smiley_path"] )
                {
                        $sm = self::_getSmiley( $data["smiley_id"] );
                        unlink( $sm["smiley_fullpath"] );
                        $ilDB->manipulateF(
                                        "UPDATE chatroom_smilies
                                                SET smiley_path = %s
                                        WHERE
                                                smiley_id = %s",
                        array('text', 'integer'),
                        array($data["smiley_path"], $data["smiley_id"])
                        );
                }
        }

        public static function _getSmiliesBasePath()
        {
                return ilUtil::getWebspaceDir() . '/chatroom/smilies/';
        }

        public static function _deleteSmiley($a_id)
        {
                global $ilDB;

                try
                {
                        $smiley = self::_getSmiley( $a_id );
                        $path = ilUtil::getWebspaceDir() . '/chatroom/smilies/' . $smiley["smiley_path"];

                        if( is_file( $path ) )
                        unlink( $path );

                        $ilDB->manipulateF(
                                        "DELETE FROM chatroom_smilies
                                WHERE
                                        smiley_id = %s",
                        array('integer'),
                        array($a_id)
                        );
                }
                catch(Exception $e)
                {
                                
                }
        }

        public static function _storeSmiley($keywords, $path)
        {
                global $ilDB;

                $stmt = $ilDB->prepare( "
                        INSERT INTO chatroom_smilies (smiley_id, smiley_keywords, smiley_path)
                        VALUES (?, ?, ?)",
                array(
                                                        "integer", "text", "text"
                                                        )
                                                        );
                                                        $row = array(
                                                        $ilDB->nextID( "chatroom_smilies" ),
                                                        $keywords,
                                                        $path
                                                        );
                                                        $stmt->execute( $row );
        }

        public static function _prepareKeywords($words)
        {
                $keywordscheck = true;

                // check keywords
                $keywords_unchecked = explode( "\n", $words );
                if( count( $keywords_unchecked ) <= 0 )
                $keywordscheck = false;

                if( $keywordscheck )
                {
                        $keywords = array();
                                
                        foreach( $keywords_unchecked as $word )
                        {
                                if( trim( $word ) )
                                $keywords[] = trim( $word );
                        }
                }

                if( $keywordscheck && count( $keywords ) <= 0 )
                $keywordscheck = false;

                if( $keywordscheck )
                return $keywords;
                else
                return array();
        }


        /*public static function _parseString($str)
         {
                global $ilDB;

                $q = $ilDB->query(
                "SELECT smiley_keywords, smiley_path
                FROM chatroom_smilies"
                );

                $ar_search = array();
                $ar_replace = array();

                $ostr = "";

                for( $i = 0; $i < $q->numRows(); $i++ )
                {
                $row = $q->fetchRow();
                $keywords = explode( "\n", $row[0] );

                for( $x = 0; $x < count( $keywords ); $x++ )
                {
                $ar_search[] = $keywords[$x];

                $tpl = new ilTemplate(
                "tpl.chatroom_smiley_line.html", true, true, "Modules/Chatroom"
                );
                $tpl->setVariable(
                "SMILEY_PATH",
                ilUtil::getHtmlPath( self::_getSmiliesBasePath() . $row[1] )
                );
                $tpl->setVariable( "SMILEY_ALT", urlencode( $keywords[$x] ) );
                $tpl->parseCurrentBlock();

                $ar_replace[] = $tpl->get();
                }
                }

                $str = str_replace( $ar_search, $ar_replace, $str );

                return $str;
                }*/

}

?>