'; echo '

'.get_lang('SystemAnnouncements').'

'; echo ''; while ($announcement = mysql_fetch_object($announcements)) { if ($id != $announcement->id) { if (strlen($query_string) > 0) { $show_url = 'newsList.php#'.$announcement->id; //$show_url = $url.'?'.$query_string.'&announcement='.$announcement->id; } else { $show_url = 'newsList.php#'.$announcement->id; //$show_url = $url.'?announcement='.$announcement->id; } echo ''; } else { echo '
' .$announcement->display_date.' '.$announcement->title.'
' .$announcement->content.'
'; } } echo '
'; echo ''; echo '
' .$announcement->display_date.' '.$announcement->title.'
'; echo ''.get_lang("More").''; echo '
'; echo ''; } return; } function display_all_announcements($visible, $id = -1,$start = 0,$_uid) { $user_selected_language = $_SESSION["user_language_choice"] ? $_SESSION["user_language_choice"] : get_setting('platformLanguage'); $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); $sql = "SELECT *, DATE_FORMAT(date_start,'%d-%m-%Y') AS display_date FROM ".$db_table." WHERE lang='$user_selected_language' AND (NOW() BETWEEN date_start AND date_end) OR date_end='0000-00-00'"; switch ($visible) { case VISIBLE_GUEST : $sql .= " AND visible_guest = 'true'"; break; case VISIBLE_STUDENT : $sql .= " AND visible_student = 'true'"; break; case VISIBLE_TEACHER : $sql .= " AND visible_teacher = 'true'"; break; } if(!isset($_GET['start']) || $_GET['start'] == 0) { $sql .= " ORDER BY date_start DESC LIMIT ".$start.",20"; } else { $sql .= " ORDER BY date_start DESC LIMIT ".($start+1).",20"; } $announcements = api_sql_query($sql,__FILE__,__LINE__); if (mysql_num_rows($announcements)) { $query_string = ereg_replace('announcement=[1-9]+', '', $_SERVER['QUERY_STRING']); $query_string = ereg_replace('&$', '', $query_string); $url = $_SERVER['PHP_SELF']; echo '
'; echo '

'.get_lang('SystemAnnouncements').'

'; echo ''; echo ''; echo ''; echo ''; echo '
'; SystemAnnouncementManager :: display_fleche($_uid); echo '
'; echo ''; while ($announcement = mysql_fetch_object($announcements)) { echo ''; } echo '
'; echo '
' .$announcement->display_date.' '.$announcement->title.'

' .$announcement->content.'

'; echo '
'; echo ''; echo ''; echo ''; echo ''; echo '
'; SystemAnnouncementManager :: display_fleche($_uid); echo '
'; echo '
'; } return; } function display_fleche($_uid) { $start = (int)$_GET['start']; $nb_announcement = SystemAnnouncementManager :: count_nb_announcement($start,$_uid); $next = ((int)$_GET['start']+19); $prev = ((int)$_GET['start']-19); if(!isset($_GET['start']) || $_GET['start'] == 0) { if($nb_announcement > 20) { echo ''.get_lang('NextBis').' >> '; } } else { echo ' << '.get_lang('Prev').''; if($nb_announcement > 20) { echo ''.get_lang('NextBis').' >> '; } } } function count_nb_announcement($start = 0,$_uid = '') { $visibility = api_is_allowed_to_create_course() ? VISIBLE_TEACHER : VISIBLE_STUDENT; $user_selected_language = $_SESSION["user_language_choice"] ? $_SESSION["user_language_choice"] : get_setting('platformLanguage'); $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); $sql = 'SELECT id FROM '.$db_table.' WHERE lang="'.$user_selected_language.'"'; if (isset($_uid)) { switch ($visibility) { case VISIBLE_GUEST : $sql .= " AND visible_guest = 'true'"; break; case VISIBLE_STUDENT : $sql .= " AND visible_student = 'true'"; break; case VISIBLE_TEACHER : $sql .= " AND visible_teacher = 'true'"; break; } } $sql .= 'LIMIT '.$start.',21'; $announcements = api_sql_query($sql,__FILE__,__LINE__); $i = 0; while($rows = mysql_fetch_array($announcements)) { $i++; } return $i; } /** * Get all announcements * @return array An array with all available system announcements (as php * objects) */ function get_all_announcements($lang) { $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); $where=""; if(!empty($lang)) { $where="WHERE lang='$lang'"; } $sql = "SELECT *, IF( NOW() BETWEEN date_start AND date_end, '1', '0') AS visible FROM ".$db_table." $where ORDER BY date_start ASC"; $announcements = api_sql_query($sql,__FILE__,__LINE__); $all_announcements = array(); while ($announcement = mysql_fetch_object($announcements)) { $all_announcements[] = $announcement; } return $all_announcements; } /** * Adds an announcement to the database * @param string $title Title of the announcement * @param string $content Content of the announcement * @param string $date_start Start date (YYYY-MM-DD HH:II: SS) * @param string $date_end End date (YYYY-MM-DD HH:II: SS) */ function add_announcement($title, $content, $date_start, $date_end, $visible_teacher = 'false', $visible_student = 'false', $visible_guest = 'false', $lang = 'dutch') { $a_dateS = explode(' ',$date_start); $a_arraySD = explode('-',$a_dateS[0]); $a_arraySH = explode(':',$a_dateS[1]); $date_start = array_merge($a_arraySD,$a_arraySH); $a_dateE = explode(' ',$date_end); $a_arrayED = explode('-',$a_dateE[0]); $a_arrayEH = explode(':',$a_dateE[1]); $date_end = array_merge($a_arrayED,$a_arrayEH); $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); if (!checkdate($date_start[1], $date_start[2], $date_start[0])) { Display :: display_normal_message(get_lang('InvalidStartDate')); return false; } if (($date_end[1] || $date_end[2] || $date_end[0]) && !checkdate($date_end[1], $date_end[2], $date_end[0])) { Display :: display_normal_message(get_lang('InvalidEndDate')); return false; } if( strlen(trim($title)) == 0) { Display::display_normal_message(get_lang('InvalidTitle')); return false; } $start = $date_start[0]."-".$date_start[1]."-".$date_start[2]." ".$date_start[3].":".$date_start[4].":".$date_start[5]; $end = $date_end[0]."-".$date_end[1]."-".$date_end[2]." ".$date_end[3].":".$date_end[4].":".$date_start[5]; $sql = "INSERT INTO ".$db_table." (`title`,`content`,`date_start`,`date_end`,`visible_teacher`,`visible_student`,`visible_guest`, `lang`) VALUES ('".$title."','".$content."','".$start."','".$end."','".$visible_teacher."','".$visible_student."','".$visible_guest."','".$lang."')"; return api_sql_query($sql,__FILE__,__LINE__); } /** * Updates an announcement to the database * @param integer $id : id of the announcement * @param string $title : title of the announcement * @param string $content : content of the announcement * @param array $date_start: start date of announcement (0 => day ; 1 => month ; 2 => year ; 3 => hour ; 4 => minute) * @param array $date_end : end date of announcement (0 => day ; 1 => month ; 2 => year ; 3 => hour ; 4 => minute) */ function update_announcement($id, $title, $content, $date_start, $date_end, $visible_teacher = 'false', $visible_student = 'false', $visible_guest = 'false',$lang='dutch') { $a_dateS = explode(' ',$date_start); $a_arraySD = explode('-',$a_dateS[0]); $a_arraySH = explode(':',$a_dateS[1]); $date_start = array_merge($a_arraySD,$a_arraySH); $a_dateE = explode(' ',$date_end); $a_arrayED = explode('-',$a_dateE[0]); $a_arrayEH = explode(':',$a_dateE[1]); $date_end = array_merge($a_arrayED,$a_arrayEH); $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); if (!checkdate($date_start[1], $date_start[2], $date_start[0])) { Display :: display_normal_message(get_lang('InvalidStartDate')); return false; } if (($date_end[1] || $date_end[2] || $date_end[0]) && !checkdate($date_end[1], $date_end[2], $date_end[0])) { Display :: display_normal_message(get_lang('InvalidEndDate')); return false; } if( strlen(trim($title)) == 0) { Display::display_normal_message(get_lang('InvalidTitle')); return false; } $start = $date_start[0]."-".$date_start[1]."-".$date_start[2]." ".$date_start[3].":".$date_start[4].":".$date_start[5]; $end = $date_end[0]."-".$date_end[1]."-".$date_end[2]." ".$date_end[3].":".$date_end[4].":".$date_start[5]; $sql = "UPDATE ".$db_table." SET lang='$lang',title='".$title."',content='".$content."',date_start='".$start."',date_end='".$end."', "; $sql .= " visible_teacher = '".$visible_teacher."', visible_student = '".$visible_student."', visible_guest = '".$visible_guest."' WHERE id='".$id."'"; return api_sql_query($sql,__FILE__,__LINE__); } /** * Deletes an announcement * @param integer $id The identifier of the announcement that should be * deleted */ function delete_announcement($id) { $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); $sql = "DELETE FROM ".$db_table." WHERE id='".$id."'"; return api_sql_query($sql,__FILE__,__LINE__); } /** * Gets an announcement * @param integer $id The identifier of the announcement that should be * deleted */ function get_announcement($id) { $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); $sql = "SELECT * FROM ".$db_table." WHERE id='".$id."'"; $announcement = mysql_fetch_object(api_sql_query($sql,__FILE__,__LINE__)); return $announcement; } /** * Change the visibility of an announcement * @param integer $announcement_id * @param integer $user For who should the visibility be changed (possible * values are VISIBLE_TEACHER, VISIBLE_STUDENT, VISIBLE_GUEST) */ function set_visibility($announcement_id, $user, $visible) { $db_table = Database :: get_main_table(MAIN_SYSTEM_ANNOUNCEMENTS_TABLE); $field = ($user == VISIBLE_TEACHER ? 'visible_teacher' : ($user == VISIBLE_STUDENT ? 'visible_student' : 'visible_guest')); $sql = "UPDATE ".$db_table." SET ".$field." = '".$visible."' WHERE id='".$announcement_id."'"; return api_sql_query($sql,__FILE__,__LINE__); } } ?>