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437 lines
14 KiB
437 lines
14 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @author: Julio Montoya <gugli100@gmail.com> Implementing a real agenda lib
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*/
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class Agenda {
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var $events = array();
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var $type = 'personal'; // personal, admin or course
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function __construct() {
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//Table definitions
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$this->tbl_global_agenda = Database::get_main_table(TABLE_MAIN_SYSTEM_CALENDAR);
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$this->tbl_personal_agenda = Database::get_user_personal_table(TABLE_PERSONAL_AGENDA);
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$this->tbl_course_agenda = Database::get_course_table(TABLE_AGENDA);
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//Setting the course object if we are in a course
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$this->course = null;
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$course_info = api_get_course_info();
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if (!empty($course_info)) {
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$this->course = $course_info;
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}
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$this->events = array();
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//Event colors
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$this->event_platform_color = 'red';//red
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$this->event_course_color = '#458B00'; //green
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$this->event_group_color = '#A0522D'; //siena
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$this->event_session_color = '#000080'; // blue
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$this->event_personal_color = 'steel blue'; //steel blue
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}
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/**
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*
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* Adds an event
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* @param int start tms
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* @param int end tms
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* @param string agendaDay, agendaWeek, month
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* @param string personal, course or global (only works for personal by now)
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*/
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function add_event($start, $end, $all_day, $view, $title, $content) {
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$start = date('Y-m-d H:i:s', $start);
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$end = date('Y-m-d H:i:s', $end);
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$start = api_get_utc_datetime($start);
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$end = api_get_utc_datetime($end);
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$all_day = isset($all_day) && $all_day == 'true' ? 1:0;
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$attributes = array();
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$id = null;
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switch ($this->type) {
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case 'personal':
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$attributes['user'] = api_get_user_id();
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$attributes['title'] = $title;
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$attributes['text'] = $content;
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$attributes['date'] = $start;
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$attributes['enddate'] = $end;
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$attributes['all_day'] = $all_day;
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$id = Database::insert($this->tbl_personal_agenda, $attributes);
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break;
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case 'course':
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//$attributes['user'] = api_get_user_id();
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$attributes['title'] = $title;
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$attributes['content'] = $content;
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$attributes['start_date'] = $start;
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$attributes['end_date'] = $end;
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$attributes['all_day'] = $all_day;
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$attributes['session_id'] = api_get_session_id();
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$attributes['c_id'] = $this->course['real_id'];
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//simple course event
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$id = Database::insert($this->tbl_course_agenda, $attributes);
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api_item_property_update($this->course, TOOL_CALENDAR_EVENT, $id,"AgendaAdded", api_get_user_id(), '','',$start, $end);
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break;
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case 'admin':
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$attributes['title'] = $title;
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$attributes['content'] = $content;
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$attributes['start_date'] = $start;
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$attributes['end_date'] = $end;
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$attributes['all_day'] = $all_day;
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$attributes['access_url_id']= api_get_current_access_url_id();
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$id = Database::insert($this->tbl_global_agenda, $attributes);
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break;
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}
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return $id;
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}
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function edit_event($id, $start, $end, $all_day, $view, $title, $content) {
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$start = date('Y-m-d H:i:s', $start);
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$start = api_get_utc_datetime($start);
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if ($all_day == '0') {
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$end = date('Y-m-d H:i:s', $end);
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$end = api_get_utc_datetime($end);
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}
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$all_day = isset($all_day) && $all_day == '1' ? 1:0;
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$attributes = array();
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switch($this->type) {
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case 'personal':
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$attributes['title'] = $title;
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$attributes['text'] = $content;
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$attributes['date'] = $start;
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$attributes['enddate'] = $end;
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Database::update($this->tbl_personal_agenda, $attributes, array('id = ?' => $id));
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break;
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case 'course':
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$attributes['title'] = $title;
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$attributes['content'] = $content;
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$attributes['start_date'] = $start;
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$attributes['end_date'] = $end;
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Database::update($this->tbl_course_agenda, $attributes, array('id = ?' => $id));
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break;
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case 'admin':
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$attributes['title'] = $title;
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$attributes['content'] = $content;
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$attributes['start_date'] = $start;
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$attributes['end_date'] = $end;
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Database::update($this->tbl_global_agenda, $attributes, array('id = ?' => $id));
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break;
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break;
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}
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}
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function delete_event($id) {
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switch($this->type) {
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case 'personal':
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Database::delete($this->tbl_personal_agenda, array('id = ?' =>$id));
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break;
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case 'course':
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Database::delete($this->tbl_course_agenda, array('id = ?' =>$id));
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break;
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case 'admin':
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Database::delete($this->tbl_global_agenda, array('id = ?' =>$id));
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break;
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}
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}
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/**
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*
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* Get agenda events
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* @param int start tms
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* @param int end tms
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* @param string agenda type (personal, admin or course)
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* @param int user id
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* @param int course id *integer* not the course code
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*
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*/
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function get_events($start, $end, $user_id, $course_id = null) {
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switch ($this->type) {
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case 'admin':
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$this->get_platform_events($start, $end);
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break;
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case 'course':
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$course_info = api_get_course_info_by_id($course_id);
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$this->get_course_events($start, $end, $course_info);
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break;
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case 'personal':
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default:
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$this->get_personal_events($start, $end);
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$this->get_platform_events($start, $end);
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$my_course_list = array();
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if (!api_is_anonymous()) {
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$my_course_list = CourseManager::get_courses_list_by_user_id(api_get_user_id(), true);
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}
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if (!empty($my_course_list)) {
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foreach($my_course_list as $course_info_item) {
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if (isset($course_id) && !empty($course_id)) {
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if ($course_info_item['course_id'] == $course_id) {
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$this->get_course_events($start, $end, $course_info_item);
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}
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} else {
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$this->get_course_events($start, $end, $course_info_item);
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}
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}
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}
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break;
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}
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if (!empty($this->events)) {
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return json_encode($this->events);
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}
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return '';
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}
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function move_event($id, $day_delta, $minute_delta) {
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// we convert the hour delta into minutes and add the minute delta
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$delta = ($day_delta * 60 * 24) + $minute_delta;
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$delta = intval($delta);
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$event = $this->get_event($id);
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if (!empty($event)) {
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switch($this->type) {
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case 'personal':
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$sql = "UPDATE $this->tbl_personal_agenda SET date = DATE_ADD(date, INTERVAL $delta MINUTE), enddate = DATE_ADD(enddate, INTERVAL $delta MINUTE)
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WHERE id=".intval($id);
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$result = Database::query($sql);
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break;
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case 'course':
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$sql = "UPDATE $this->tbl_course_agenda SET start_date = DATE_ADD(start_date,INTERVAL $delta MINUTE), end_date = DATE_ADD(end_date, INTERVAL $delta MINUTE)
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WHERE c_id = ".$this->course['real_id']." AND id=".intval($id);
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$result = Database::query($sql);
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break;
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case 'admin':
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$sql = "UPDATE $this->tbl_global_agenda SET start_date = DATE_ADD(start_date,INTERVAL $delta MINUTE), end_date = DATE_ADD(end_date, INTERVAL $delta MINUTE)
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WHERE id=".intval($id);
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$result = Database::query($sql);
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break;
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}
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}
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return 1;
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}
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/**
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* Gets a single event
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* @param int event id
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*/
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function get_event($id) {
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// make sure events of the personal agenda can only be seen by the user himself
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$id = intval($id);
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$event = null;
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switch ($this->type) {
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case 'personal':
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$sql = " SELECT * FROM ".$this->tbl_personal_agenda." WHERE id=".$id." AND user = ".api_get_user_id();
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$result = Database::query($sql);
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if (Database::num_rows($result)) {
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$event = Database::fetch_array($result, 'ASSOC');
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}
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break;
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case 'course':
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$sql = " SELECT * FROM ".$this->tbl_course_agenda." WHERE id=".$id;
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$result = Database::query($sql);
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if (Database::num_rows($result)) {
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$event = Database::fetch_array($result, 'ASSOC');
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}
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break;
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case 'admin':
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$sql = " SELECT * FROM ".$this->tbl_global_agenda." WHERE id=".$id;
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$result = Database::query($sql);
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if (Database::num_rows($result)) {
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$event = Database::fetch_array($result, 'ASSOC');
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}
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break;
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}
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return $event;
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}
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/**
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*
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* Gets personal events
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* @param int start date tms
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* @param int end date tms
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*/
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function get_personal_events($start, $end) {
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$start = intval($start);
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$end = intval($end);
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$start = api_get_utc_datetime($start);
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$end = api_get_utc_datetime($end);
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$user_id = api_get_user_id();
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$sql = "SELECT * FROM ".$this->tbl_personal_agenda."
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WHERE date >= '".$start."' AND (enddate <='".$end."' OR enddate IS NULL) AND user = $user_id";
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$result = Database::query($sql);
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if (Database::num_rows($result)) {
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while ($row = Database::fetch_array($result, 'ASSOC')) {
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$event = array();
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$event['id'] = 'personal_'.$row['id'];
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$event['title'] = $row['title'];
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$event['className'] = 'personal';
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$event['borderColor'] = $event['backgroundColor'] = $this->event_personal_color;
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$event['editable'] = true;
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if (!empty($row['date']) && $row['date'] != '0000-00-00 00:00:00') {
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$event['start'] = $this->format_event_date($row['date']);
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}
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if (!empty($row['enddate']) && $row['enddate'] != '0000-00-00 00:00:00') {
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$event['end'] = $this->format_event_date($row['enddate']);
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}
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$event['description'] = $row['text'];
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$event['allDay'] = isset($row['all_day']) && $row['all_day'] == 1 ? $row['all_day'] : 0;
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$my_events[] = $event;
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$this->events[]= $event;
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}
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}
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return $my_events;
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}
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function get_course_events($start, $end, $course_info, $group_id = 0) {
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$course_id = $course_info['real_id'];
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$group_memberships = GroupManager::get_group_ids($course_id, api_get_user_id());
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$tlb_course_agenda = Database::get_course_table(TABLE_AGENDA);
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$tbl_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$user_id = api_get_user_id();
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if (is_array($group_memberships) && count($group_memberships)>0) {
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$sql = "SELECT agenda.*, ip.visibility, ip.to_group_id, ip.insert_user_id, ip.ref
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FROM ".$tlb_course_agenda." agenda, ".$tbl_property." ip
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WHERE agenda.id = ip.ref AND
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ip.tool ='".TOOL_CALENDAR_EVENT."' AND
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( ip.to_user_id=$user_id OR ip.to_group_id IN (0, ".implode(", ", $group_memberships).") ) AND
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ip.visibility = '1' AND
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agenda.c_id = $course_id AND
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ip.c_id = $course_id";
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} else {
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if (api_get_user_id()) {
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$sql="SELECT agenda.*, ip.visibility, ip.to_group_id, ip.insert_user_id, ip.ref
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FROM ".$tlb_course_agenda." agenda, ".$tbl_property." ip
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WHERE agenda.id = ip.ref
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AND ip.tool='".TOOL_CALENDAR_EVENT."'
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AND ( ip.to_user_id=$user_id OR ip.to_group_id='0')
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AND ip.visibility='1' AND
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agenda.c_id = $course_id AND
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ip.c_id = $course_id
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";
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} else {
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$sql="SELECT agenda.*, ip.visibility, ip.to_group_id, ip.insert_user_id, ip.ref
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FROM ".$tlb_course_agenda." agenda, ".$tbl_property." ip
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WHERE agenda.id = ip.ref
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AND ip.tool='".TOOL_CALENDAR_EVENT."'
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AND ip.to_group_id='0'
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AND ip.visibility='1' AND
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agenda.c_id = $course_id AND
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ip.c_id = $course_id
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";
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}
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}
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$result = Database::query($sql);
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$events = array();
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if (Database::num_rows($result)) {
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while ($row = Database::fetch_array($result, 'ASSOC')) {
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//Only show events from the session
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if (api_get_course_int_id()) {
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if ($row['session_id'] != api_get_session_id()) {
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continue;
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}
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}
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$event = array();
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$event['id'] = 'course_'.$row['id'];
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$event['title'] = $row['title'];
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$event['className'] = 'course';
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$event['allDay'] = 'false';
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// var_dump($row);
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$event['borderColor'] = $event['backgroundColor'] = $this->event_course_color;
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if (isset($row['session_id']) && !empty($row['session_id'])) {
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$event['borderColor'] = $event['backgroundColor'] = $this->event_session_color;
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}
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if (isset($row['to_group_id']) && !empty($row['to_group_id'])) {
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$event['borderColor'] = $event['backgroundColor'] = $this->event_group_color;
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}
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$event['editable'] = false;
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if (api_is_allowed_to_edit() && $this->type == 'course') {
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$event['editable'] = true;
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}
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if (!empty($row['start_date']) && $row['start_date'] != '0000-00-00 00:00:00') {
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$event['start'] = $this->format_event_date($row['start_date']);
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}
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if (!empty($row['end_date']) && $row['end_date'] != '0000-00-00 00:00:00') {
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$event['end'] = $this->format_event_date($row['end_date']);
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}
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$event['description'] = $row['content'];
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$event['allDay'] = isset($row['all_day']) && $row['all_day'] == 1 ? $row['all_day'] : 0;
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$my_events[] = $event;
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$this->events[] = $event;
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}
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}
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return $events;
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}
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function get_platform_events($start, $end) {
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$start = intval($start);
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$end = intval($end);
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$start = api_get_utc_datetime($start);
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$end = api_get_utc_datetime($end);
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$access_url_id = api_get_current_access_url_id();
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$sql = "SELECT * FROM ".$this->tbl_global_agenda."
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WHERE start_date >= '".$start."' AND end_date <= '".$end."' AND access_url_id = $access_url_id ";
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$result = Database::query($sql);
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$my_events = array();
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if (Database::num_rows($result)) {
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while ($row = Database::fetch_array($result, 'ASSOC')) {
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$event = array();
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$event['id'] = 'platform_'.$row['id'];
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$event['title'] = $row['title'];
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$event['className'] = 'platform';
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$event['allDay'] = 'false';
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$event['borderColor'] = $event['backgroundColor'] = $this->event_platform_color;
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$event['editable'] = false;
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if (api_is_platform_admin() && $this->type == 'admin') {
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$event['editable'] = true;
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}
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if (!empty($row['start_date']) && $row['start_date'] != '0000-00-00 00:00:00') {
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$event['start'] = $this->format_event_date($row['start_date']);
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}
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if (!empty($row['end_date']) && $row['end_date'] != '0000-00-00 00:00:00') {
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$event['end'] = $this->format_event_date($row['end_date']);
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}
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$event['description'] = $row['content'];
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$event['allDay'] = isset($row['all_day']) && $row['all_day'] == 1 ? $row['all_day'] : 0;
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$my_events[] = $event;
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$this->events[]= $event;
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}
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}
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return $my_events;
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}
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//Format needed for the js lib
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function format_event_date($utc_time) {
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return date('c', api_strtotime(api_get_local_time($utc_time)));
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}
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} |