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authorSem <sembrestels@riseup.net>2013-11-09 16:24:39 +0100
committerSem <sembrestels@riseup.net>2013-11-09 16:24:39 +0100
commita9ac4c861335e60373c1e99b61372e6e0d6ac9f4 (patch)
tree84e660ad22367aab1697a1f910125f520243b882 /mod/event_calendar/models
parent1f40407cb2d2f0edfc4cc5346f332f5c6adab022 (diff)
parentb011a80767e1062a394b7bbbc3be3d2959a5f773 (diff)
downloadelgg-a9ac4c861335e60373c1e99b61372e6e0d6ac9f4.tar.gz
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Add 'mod/event_calendar/' from commit 'b011a80767e1062a394b7bbbc3be3d2959a5f773'
git-subtree-dir: mod/event_calendar git-subtree-mainline: 1f40407cb2d2f0edfc4cc5346f332f5c6adab022 git-subtree-split: b011a80767e1062a394b7bbbc3be3d2959a5f773
Diffstat (limited to 'mod/event_calendar/models')
-rw-r--r--mod/event_calendar/models/model.php2518
1 files changed, 2518 insertions, 0 deletions
diff --git a/mod/event_calendar/models/model.php b/mod/event_calendar/models/model.php
new file mode 100644
index 000000000..7b4698f98
--- /dev/null
+++ b/mod/event_calendar/models/model.php
@@ -0,0 +1,2518 @@
+<?php
+/**
+ * Elgg event model
+ *
+ * @package event_calendar
+ * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+ * @author Kevin Jardine <kevin@radagast.biz>
+ * @copyright Radagast Solutions 2008-2011
+ * @link http://radagast.biz/
+ *
+ */
+
+function event_calendar_get_event_for_edit($event_id) {
+ if ($event_id && $event = get_entity($event_id)) {
+ if ($event->canEdit()) {
+ return $event;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+}
+
+// converts to time in minutes since midnight
+function event_calendar_convert_to_time($hour,$minute,$meridian) {
+ if ($meridian) {
+ if ($meridian == 'am') {
+ if ($hour == 12) {
+ $hour = 0;
+ }
+ } else {
+ if ($hour < 12) {
+ $hour += 12;
+ }
+ }
+ }
+ return 60*$hour+$minute;
+}
+
+// returns the event or FALSE
+function event_calendar_set_event_from_form($event_guid,$group_guid) {
+
+ $event_calendar_times = elgg_get_plugin_setting('times', 'event_calendar');
+ $event_calendar_region_display = elgg_get_plugin_setting('region_display', 'event_calendar');
+ $event_calendar_type_display = elgg_get_plugin_setting('type_display', 'event_calendar');
+ $event_calendar_spots_display = elgg_get_plugin_setting('spots_display', 'event_calendar');
+ $event_calendar_hide_end = elgg_get_plugin_setting('hide_end', 'event_calendar');
+ $event_calendar_more_required = elgg_get_plugin_setting('more_required', 'event_calendar');
+ $event_calendar_personal_manage = elgg_get_plugin_setting('personal_manage', 'event_calendar');
+ $event_calendar_repeating_events = elgg_get_plugin_setting('repeating_events', 'event_calendar');
+ $schedule_type = get_input('schedule_type');
+
+ if ($event_calendar_more_required == 'yes') {
+ $required_fields = array('title','venue','start_date',
+ 'brief_description','fees','contact','organiser',
+ 'tags');
+
+ if ($event_calendar_times != 'no') {
+ $required_fields[] = 'start_time';
+ if ($event_calendar_hide_end != 'yes') {
+ $required_fields[] = 'end_time';
+ }
+ }
+ if ($event_calendar_region_display == 'yes') {
+ $required_fields[] = 'region';
+ }
+ if ($event_calendar_type_display == 'yes') {
+ $required_fields[] = 'event_type';
+ }
+ if ($event_calendar_spots_display == 'yes') {
+ $required_fields[] = 'spots';
+ }
+ } else {
+ $required_fields = array('title');
+ }
+
+ if ($event_guid) {
+ $event = get_entity($event_guid);
+ if (!elgg_instanceof($event, 'object', 'event_calendar')) {
+ // do nothing because this is a bad event guid
+ return FALSE;
+ }
+ } else {
+ $user_guid = elgg_get_logged_in_user_guid();
+ $event = new ElggObject();
+ $event->subtype = 'event_calendar';
+ $event->owner_guid = $user_guid;
+ if ($group_guid) {
+ $event->container_guid = $group_guid;
+ } else {
+ $event->container_guid = $event->owner_guid;
+ }
+ }
+ $event->access_id = get_input('access_id');
+ $event->title = get_input('title');
+ $event->description = get_input('description');
+ $event->venue = get_input('venue');
+
+ if ($schedule_type != 'poll') {
+ $start_date_text = trim(get_input('start_date'));
+ /*$event->original_start_date = get_input('start_date');
+ //$end_date = trim(get_input('end_date',''));
+ // convert start date from current server time to GMT
+ $start_date_text = gmdate("Y-m-d",$start_date);
+ //$event->munged_start_date_string = $start_date_text." ".date_default_timezone_get();*/
+
+ // TODO: is the timezone bit necessary?
+ $event->start_date = strtotime($start_date_text." GMT");
+ $end_date_text = trim(get_input('end_date',''));
+ //$event->original_end_date = get_input('end_date');
+ if ($end_date_text) {
+ $event->end_date = strtotime($end_date_text." GMT");
+ //$event->munged_end_date_string = $end_date_text." ".date_default_timezone_get();
+ } else {
+ $event->end_date = '';
+ }
+
+ if ($event_calendar_times != 'no') {
+ $hour = get_input('start_time_hour','');
+ $minute = get_input('start_time_minute','');
+ $meridian = get_input('start_time_meridian','');
+ if (is_numeric($hour) && is_numeric($minute)) {
+ $event->start_time = event_calendar_convert_to_time($hour,$minute,$meridian);
+ } else {
+ $event->start_time = '';
+ }
+ $hour = get_input('end_time_hour','');
+ $minute = get_input('end_time_minute','');
+ $meridian = get_input('end_time_meridian','');
+ if (is_numeric($hour) && is_numeric($minute)) {
+ $event->end_time = event_calendar_convert_to_time($hour,$minute,$meridian);
+ } else {
+ $event->end_time = '';
+ }
+ if (is_numeric($event->start_date) && is_numeric($event->start_time)) {
+ // Set start date to the Unix start time, if set.
+ // This allows sorting by date *and* time.
+ $event->start_date += $event->start_time*60;
+ }
+ }
+ }
+ if ($event_calendar_spots_display == 'yes') {
+ $event->spots = trim(get_input('spots'));
+ }
+ if ($event_calendar_region_display == 'yes') {
+ $event->region = get_input('region');
+ }
+ if ($event_calendar_type_display == 'yes') {
+ $event->event_type = get_input('event_type');
+ }
+ if ($event_calendar_personal_manage == 'by_event') {
+ $event->personal_manage = get_input('personal_manage');
+ }
+
+ if ($event_calendar_repeating_events != 'no') {
+ $repeats = get_input('repeats');
+ $event->repeats = $repeats;
+ if ($repeats == 'yes') {
+ $event->repeat_interval = get_input('repeat_interval');
+ $dow = array('monday','tuesday','wednesday','thursday','friday','saturday','sunday');
+ foreach ($dow as $w) {
+ $v = 'event-calendar-repeating-'.$w.'-value';
+ $event->$v = get_input($v);
+ }
+ }
+ }
+ $event->fees = get_input('fees');
+ $event->contact = get_input('contact');
+ $event->organiser = get_input('organiser');
+ $event->tags = string_to_tag_array(get_input('tags'));
+ $event->long_description = get_input('long_description');
+ $event->schedule_type = $schedule_type;
+ $event->send_reminder = get_input('send_reminder');
+ $event->reminder_number = get_input('reminder_number');
+ $event->reminder_interval = get_input('reminder_interval');
+ $event->web_conference = get_input('web_conference');
+ $event->real_end_time = event_calendar_get_end_time($event);
+ foreach ($required_fields as $fn) {
+ if (!trim($event->$fn)) {
+ return FALSE;
+ break;
+ }
+ }
+ if ($event->save()) {
+ if (!$event_guid && $event->web_conference) {
+ if (!event_calendar_create_bbb_conf($event)) {
+ register_error(elgg_echo('event_calendar:conference_create_error'));
+ }
+ }
+ if ($group_guid && (elgg_get_plugin_setting('autogroup', 'event_calendar') == 'yes')) {
+ event_calendar_add_personal_events_from_group($event->guid,$group_guid);
+ }
+ if (elgg_get_plugin_setting('add_users', 'event_calendar') == 'yes') {
+ if (function_exists('autocomplete_member_to_user')) {
+ $addusers = get_input('adduser',array());
+ foreach($addusers as $adduser) {
+ if ($adduser) {
+ $user = autocomplete_member_to_user($adduser);
+ $user_id = $user->guid;
+ event_calendar_add_personal_event($event->guid,$user_id);
+ if (elgg_get_plugin_setting('add_users_notify', 'event_calendar') == 'yes') {
+ notify_user($user_id, $CONFIG->site->guid, elgg_echo('event_calendar:add_users_notify:subject'),
+ sprintf(
+ elgg_echo('event_calendar:add_users_notify:body'),
+ $user->name,
+ $event->title,
+ $event->getURL()
+ )
+ );
+ }
+ }
+ }
+ }
+ }
+ }
+ return $event;
+}
+
+function event_calendar_get_events_between($start_date,$end_date,$is_count=FALSE,$limit=10,$offset=0,$container_guid=0,$region='-') {
+ $polls_supported = elgg_is_active_plugin('event_poll');
+ if ($is_count) {
+ $count = event_calendar_get_entities_from_metadata_between2('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", 0, $container_guid, $limit,$offset,"",0,false,true,$region);
+ return $count;
+ } else {
+ $events = event_calendar_get_entities_from_metadata_between2('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", 0, $container_guid, $limit,$offset,"",0,false,false,$region);
+ $repeating_events = event_calendar_get_repeating_events_between($start_date,$end_date,$container_guid,$region);
+ $all_events = event_calendar_merge_repeating_events($events, $repeating_events);
+ if ($polls_supported) {
+ elgg_load_library('elgg:event_poll');
+ $all_events = event_poll_merge_poll_events($all_events,$start_date,$end_date);
+ }
+
+ return $all_events;
+ }
+}
+
+function event_calendar_merge_repeating_events($events, $repeating_events) {
+ $non_repeating_events = array();
+ foreach($events as $e) {
+ if ($e->repeats != 'yes') {
+ $non_repeating_events[] = array('event' => $e,'data' => array(array('start_time' => $e->start_date, 'end_time' => $e->real_end_time)));
+ }
+ }
+
+ return array_merge($non_repeating_events, $repeating_events);
+}
+
+function event_calendar_get_repeating_events_between($start_date,$end_date,$container_guid,$region) {
+ // game plan: get all repeating events with start date <= $end_date and then generate all possible events
+ // sanity check
+ if ($start_date <= $end_date) {
+ $options = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'limit' => 0,
+ 'metadata_name_value_pairs' => array(
+ array(
+ 'name' => 'start_date',
+ 'value' => $end_date,
+ 'operand' => '<='
+ ),
+ array(
+ 'name' => 'repeats',
+ 'value' => 'yes'
+ ),
+ )
+ );
+ if ($container_guid) {
+ if (is_array($container_guid)) {
+ $options['container_guids'] = $container_guid;
+ } else {
+ $options['container_guid'] = $container_guid;
+ }
+ }
+
+ if ($region && $region != '-') {
+ $options['metadata_name_value_pairs'][] = array(
+ 'name' => 'region',
+ 'value' => $region
+ );
+ }
+
+ $events = elgg_get_entities_from_metadata($options);
+ }
+ return event_calendar_get_repeating_event_structure($events, $start_date, $end_date);
+}
+
+
+function event_calendar_get_repeating_event_structure($events, $start_date, $end_date) {
+ $dow = array('monday','tuesday','wednesday','thursday','friday','saturday','sunday');
+ $repeating_events = array();
+ if ($events) {
+ foreach($events as $e) {
+ $incs = array();
+ $repeat_data = array();
+ $day_num = date('N',$e->start_date)-1;
+ for($d=0;$d<7;$d++) {
+ $fn = 'event-calendar-repeating-'.$dow[$d].'-value';
+ if ($e->$fn) {
+ $increment = $d - $day_num;
+ $incs[] = $increment;
+ }
+ }
+ if ($incs) {
+ sort($incs);
+
+ $repeat_interval = $e->repeat_interval;
+ $event_start_time = $e->start_date;
+ $event_end_time = $e->real_end_time;
+ $week = 0;
+ if ($event_start_time <= $event_end_time) {
+ $more_to_do = TRUE;
+ $cur_start_time = $event_start_time;
+ $cur_end_time = $event_end_time;
+ // keep generating events until after $end_date
+ // repeat_times is a sanity check to prevent infinite loops in case of bad data
+ $repeat_times = 0;
+ do {
+ foreach($incs as $inc) {
+ //$seconds = $inc*60*60*24;
+ if ($inc >=0) {
+ $tinc = "+ " . $inc;
+ } else {
+ $tinc = $inc;
+ }
+ $this_start_time = strtotime($tinc . " day", $cur_start_time);
+ $this_end_time = strtotime($tinc . " day", $cur_end_time);
+ if ($this_start_time > $end_date) {
+ $more_to_do = FALSE;
+ break;
+ }
+ if ($this_start_time >= $event_start_time) {
+ $repeat_data[] = array (
+ 'start_time' => $this_start_time,
+ 'end_time' => $this_end_time,
+ );
+ }
+ }
+ // repeat_interval weeks later
+ $week += $repeat_interval;
+ $cur_start_time = strtotime("+" . $week . " week", $event_start_time);
+ $cur_end_time = strtotime("+" . $week ." week", $event_end_time);
+ $repeat_times += 1;
+ } while ($repeat_times < 1000 && $more_to_do);
+ }
+ }
+ $repeating_events[] = array('event'=>$e,'data'=>$repeat_data);
+ }
+ }
+ return $repeating_events;
+}
+
+function event_calendar_get_open_events_between($start_date,$end_date,
+$is_count,$limit=10,$offset=0,$container_guid=0,$region='-', $meta_max = 'spots', $annotation_name = 'personal_event') {
+ if ($is_count) {
+ $count = event_calendar_get_entities_from_metadata_between2('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", 0, $container_guid, $limit,$offset,"",0,false,true,$region,$meta_max,$annotation_name);
+ return $count;
+ } else {
+ $events = event_calendar_get_entities_from_metadata_between2('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", 0, $container_guid, $limit,$offset,"",0,false,false,$region,$meta_max,$annotation_name);
+ //return event_calendar_vsort($events,'start_date');
+ $repeating_events = event_calendar_get_open_repeating_events_between($start_date,$end_date,$container_guid,$region);
+ $all_events = event_calendar_merge_repeating_events($events, $repeating_events);
+ return $all_events;
+ }
+}
+
+function event_calendar_get_open_repeating_events_between($start_date,$end_date,$container_guid,$region) {
+ $db_prefix = elgg_get_config('dbprefix');
+ $meta_max = 'spots';
+ $annotation_name = 'personal_event';
+ $joins = array();
+ $wheres = array();
+ $meta_max_n = get_metastring_id($meta_max);
+ $ann_n = get_metastring_id($annotation_name);
+ if (!$meta_max_n || !$ann_n) {
+ if ($count) {
+ return 0;
+ } else {
+ return false;
+ }
+ }
+
+ $joins[] = "LEFT JOIN {$dbprefix}metadata m4 ON (e.guid = m4.entity_guid AND m4.name_id=$meta_max_n) ";
+ $joins[] = "LEFT JOIN {$dbprefix}metastrings ms4 ON (m4.value_id = ms4.id) ";
+ $wheres[] = "((ms4.string is null) OR (ms4.string = \"\") OR (CONVERT(ms4.string,SIGNED) > (SELECT count(id) FROM {$dbprefix}annotations ann WHERE ann.entity_guid = e.guid AND name_id = $ann_n GROUP BY entity_guid)))";
+
+ // sanity check
+ if ($start_date <= $end_date) {
+ $options = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'limit' => 0,
+ 'metadata_name_value_pairs' => array(
+ array(
+ 'name' => 'start_date',
+ 'value' => $end_date,
+ 'operand' => '<='
+ ),
+ array(
+ 'name' => 'repeats',
+ 'value' => 'yes'
+ ),
+ ),
+ 'joins' => $joins,
+ 'wheres' => $wheres,
+
+ );
+ if ($container_guid) {
+ if (is_array($container_guid)) {
+ $options['container_guids'] = $container_guid;
+ } else {
+ $options['container_guid'] = $container_guid;
+ }
+ }
+
+ if ($region && $region != '-') {
+ $options['metadata_name_value_pairs'][] = array(
+ 'name' => 'region',
+ 'value' => $region
+ );
+ }
+
+ $events = elgg_get_entities_from_metadata($options);
+ }
+ return event_calendar_get_repeating_event_structure($events, $start_date, $end_date);
+}
+
+function event_calendar_get_events_for_user_between($start_date,$end_date,$is_count,$limit=10,$offset=0,$user_guid,$container_guid=0,$region='-') {
+ if ($is_count) {
+ // old way
+ $count = event_calendar_get_entities_from_metadata_between('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", $user_guid, $container_guid, $limit,$offset,"",0,true,true,$region);
+
+ return $count;
+ } else {
+ $events = event_calendar_get_entities_from_metadata_between('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", $user_guid, $container_guid, $limit,$offset,"",0,true,false,$region);
+ //return event_calendar_vsort($events,'start_date');
+ return $events;
+ }
+}
+
+function event_calendar_get_events_for_user_between2($start_date,$end_date,$is_count,$limit=10,$offset=0,$user_guid,$container_guid=0,$region='-') {
+ $options_new_way = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'relationship' => 'personal_event',
+ 'relationship_guid' => $user_guid,
+ 'metadata_name_value_pairs' => array( array( 'name' => 'start_date',
+ 'value' => $start_date,
+ 'operand' => '>='),
+ array( 'name' => 'real_end_time',
+ 'value' => $end_date,
+ 'operand' => '<=')
+ ),
+ );
+
+ if ($container_guid) {
+ $options_new_way['container_guid'] = $container_guid;
+ }
+ if ($region && $region != '-') {
+ $options_new_way['metadata_name_value_pairs'][] = array('name'=>'region','value'=>sanitize_string($region));
+ }
+ if ($is_count) {
+ // old way
+ $count_old_way = event_calendar_get_entities_from_metadata_between('start_date','real_end_time',
+ $start_date, $end_date, "object", "event_calendar", $user_guid, $container_guid, $limit,$offset,"",0,true,true,$region);
+ // new way
+ $options_new_way['count'] = TRUE;
+ $count_new_way = elgg_get_entities_from_relationship($options_new_way);
+ return $count_old_way+$count_new_way;
+ } else {
+ $events_old_way = event_calendar_get_entities_from_metadata_between('start_date','real_end_time',
+ $start_date, $end_date, "object", "event_calendar", $user_guid, $container_guid, $limit,$offset,"",0,true,false,$region);
+ $options_new_way['limit'] = $limit;
+ $options_new_way['offset'] = $offset;
+ $options_new_way['order_by_metadata'] = array(array('name'=>'start_date','direction'=>'ASC','as'=>'integer'));
+ //print_r($options_new_way);
+ $events_new_way = elgg_get_entities_from_relationship($options_new_way);
+ //return event_calendar_vsort($events,'start_date');
+ $repeating_events = event_calendar_get_repeating_events_for_user_between($user_guid,$start_date,$end_date,$container_guid,$region);
+ $all_events = event_calendar_merge_repeating_events(array_merge($events_old_way,$events_new_way), $repeating_events);
+ return $all_events;
+ }
+}
+
+function event_calendar_get_repeating_events_for_user_between($user_guid,$start_date,$end_date,$container_guid,$region) {
+ $options = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'relationship' => 'personal_event',
+ 'relationship_guid' => $user_guid,
+ 'metadata_name_value_pairs' => array(
+ array(
+ 'name' => 'start_date',
+ 'value' => $end_date,
+ 'operand' => '<='
+ ),
+ array(
+ 'name' => 'repeats',
+ 'value' => 'yes'
+ ),
+ )
+ );
+
+ if ($container_guid) {
+ if (is_array($container_guid)) {
+ $options['container_guids'] = $container_guid;
+ } else {
+ $options['container_guid'] = $container_guid;
+ }
+ }
+
+ if ($region && $region != '-') {
+ $options['metadata_name_value_pairs'][] = array(
+ 'name' => 'region',
+ 'value' => $region
+ );
+ }
+
+ $events = elgg_get_entities_from_relationship($options);
+ return event_calendar_get_repeating_event_structure($events, $start_date, $end_date);
+}
+
+function event_calendar_get_repeating_events_for_friends_between($user_guid,$friend_list,$start_date,$end_date,$container_guid=0,$region='-') {
+
+ $db_prefix = elgg_get_config('dbprefix');
+ $options = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'metadata_name_value_pairs' => array(
+ array( 'name' => 'start_date',
+ 'value' => $end_date,
+ 'operand' => '<='
+ ),
+ array( 'name' => 'repeats',
+ 'value' => 'yes'
+ )
+ ),
+ 'joins' => array("JOIN {$db_prefix}entity_relationships r ON (r.guid_two = e.guid)"),
+ 'wheres' => array("r.relationship = 'personal_event'","r.guid_one IN ($friend_list)"),
+ );
+
+ if ($container_guid) {
+ if (is_array($container_guid)) {
+ $options['container_guids'] = $container_guid;
+ } else {
+ $options['container_guid'] = $container_guid;
+ }
+ }
+ if ($region && $region != '-') {
+ $options['metadata_name_value_pairs'][] = array('name'=>'region','value'=>sanitize_string($region));
+ }
+
+ $events = elgg_get_entities_from_relationship($options);
+ return event_calendar_get_repeating_event_structure($events, $start_date, $end_date);
+}
+
+function event_calendar_get_events_for_friends_between($start_date,$end_date,$is_count,$limit=10,$offset=0,$user_guid,$container_guid=0,$region='-') {
+ if ($user_guid) {
+ $friends = get_user_friends($user_guid,"",5000);
+ if ($friends) {
+ $friend_guids = array();
+ foreach($friends as $friend) {
+ $friend_guids[] = $friend->getGUID();
+ }
+ $friend_list = implode(",",$friend_guids);
+ // elgg_get_entities_from_relationship does not take multiple relationship guids, so need some custom joins and wheres
+ $db_prefix = elgg_get_config('dbprefix');
+ $options_new_way = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'metadata_name_value_pairs' => array(array( 'name' => 'start_date',
+ 'value' => $start_date,
+ 'operand' => '>='),
+ array( 'name' => 'real_end_time',
+ 'value' => $end_date,
+ 'operand' => '<=')
+ ),
+ 'joins' => array("JOIN {$db_prefix}entity_relationships r ON (r.guid_two = e.guid)"),
+ 'wheres' => array("r.relationship = 'personal_event'","r.guid_one IN ($friend_list)"),
+ );
+
+ if ($container_guid) {
+ $options_new_way['container_guid'] = $container_guid;
+ }
+ if ($region && $region != '-') {
+ $options_new_way['metadata_name_value_pairs'][] = array('name'=>'region','value'=>sanitize_string($region));
+ }
+ if ($is_count) {
+ $count_old_way = event_calendar_get_entities_from_metadata_between('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", $friend_guids, $container_guid, $limit,$offset,"",0,true,true,$region);
+ $options_new_way['count'] = TRUE;
+ $count_new_way = elgg_get_entities_from_metadata($options_new_way);
+ return $count_old_way + $count_new_way;
+ } else {
+ $events_old_way = event_calendar_get_entities_from_metadata_between('start_date','end_date',
+ $start_date, $end_date, "object", "event_calendar", $friend_guids, $container_guid, $limit,$offset,"",0,true,false,$region);
+ //return event_calendar_vsort($events,'start_date');
+ $options_new_way['limit'] = $limit;
+ $options_new_way['offset'] = $offset;
+ $options_new_way['order_by_metadata'] = array(array('name'=>'start_date','direction'=>'ASC','as'=>'integer'));
+ //print_r($options_new_way);
+ $events_new_way = elgg_get_entities_from_metadata($options_new_way);
+ $repeating_events = event_calendar_get_repeating_events_for_friends_between($user_guid,$friend_list,$start_date,$end_date,$container_guid,$region);
+ $all_events = event_calendar_merge_repeating_events(array_merge($events_old_way,$events_new_way), $repeating_events);
+ return $all_events;
+ }
+ }
+ }
+ return array();
+}
+
+function event_calendar_vsort($original,$field, $descending = false) {
+ if (!$original) {
+ return $original;
+ }
+ $sortArr = array();
+
+ foreach ( $original as $key => $item ) {
+ $sortArr[ $key ] = $item->$field;
+ }
+
+ if ( $descending ) {
+ arsort( $sortArr );
+ } else {
+ asort( $sortArr );
+ }
+
+ $resultArr = array();
+ foreach ( $sortArr as $key => $value ) {
+ $resultArr[ $key ] = $original[ $key ];
+ }
+
+ return $resultArr;
+}
+
+// TODO - replace with Elgg API if possible
+
+/**
+ * Return a list of entities based on the given search criteria.
+ * In this case, returns entities with the given metadata between two values inclusive
+ *
+ * @param mixed $meta_start_name
+ * @param mixed $meta_end_name
+ * @param mixed $meta_start_value - start of metadata range, must be numerical value
+ * @param mixed $meta_end_value - end of metadata range, must be numerical value
+ * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
+ * @param string $entity_subtype The subtype of the entity.
+ * @param mixed $owner_guid Either one integer user guid or an array of user guids
+ * @param int $container_guid If supplied, the result is restricted to events associated with a specific container
+ * @param int $limit
+ * @param int $offset
+ * @param string $order_by Optional ordering.
+ * @param int $site_guid The site to get entities for. Leave as 0 (default) for the current site; -1 for all sites.
+ * @param boolean $filter Filter by events in personal calendar if true
+ * @param true|false $count If set to true, returns the total number of entities rather than a list. (Default: false)
+ *
+ * @return int|array A list of entities, or a count if $count is set to true
+ */
+function event_calendar_get_entities_from_metadata_between($meta_start_name, $meta_end_name, $meta_start_value, $meta_end_value, $entity_type = "", $entity_subtype = "", $owner_guid = 0, $container_guid = 0, $limit = 10, $offset = 0, $order_by = "", $site_guid = 0, $filter = false, $count = false, $region='-')
+{
+ global $CONFIG;
+
+ // This should not be possible, but a sanity check just in case
+ if (!is_numeric($meta_start_value) || !is_numeric($meta_end_value)) {
+ return FALSE;
+ }
+
+ $meta_start_n = get_metastring_id($meta_start_name);
+ $meta_end_n = get_metastring_id($meta_end_name);
+ if ($region && $region != '-') {
+ $region_n = get_metastring_id('region');
+ $region_value_n = get_metastring_id($region);
+ if (!$region_n || !$region_value_n) {
+ if ($count) {
+ return 0;
+ } else {
+ return FALSE;
+ }
+ }
+ }
+
+ $entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
+ $limit = (int)$limit;
+ $offset = (int)$offset;
+ //if ($order_by == "") $order_by = "e.time_created desc";
+ if ($order_by == "") $order_by = "v.string asc";
+ $order_by = sanitise_string($order_by);
+ $site_guid = (int) $site_guid;
+ if ((is_array($owner_guid) && (count($owner_guid)))) {
+ foreach($owner_guid as $key => $guid) {
+ $owner_guid[$key] = (int) $guid;
+ }
+ } else {
+ $owner_guid = (int) $owner_guid;
+ }
+
+ if ((is_array($container_guid) && (count($container_guid)))) {
+ foreach($container_guid as $key => $guid) {
+ $container_guid[$key] = (int) $guid;
+ }
+ } else {
+ $container_guid = (int) $container_guid;
+ }
+ if ($site_guid == 0)
+ $site_guid = $CONFIG->site_guid;
+
+ //$access = get_access_list();
+
+ $where = array();
+
+ if ($entity_type!="")
+ $where[] = "e.type='$entity_type'";
+ if ($entity_subtype)
+ $where[] = "e.subtype=$entity_subtype";
+ $where[] = "m.name_id='$meta_start_n'";
+ $where[] = "m2.name_id='$meta_end_n'";
+ $where[] = "((v.string >= $meta_start_value AND v.string <= $meta_end_value) OR ( v2.string >= $meta_start_value AND v2.string <= $meta_end_value) OR (v.string <= $meta_start_value AND v2.string >= $meta_start_value) OR ( v2.string <= $meta_end_value AND v2.string >= $meta_end_value))";
+ if ($region && $region != '-') {
+ $where[] = "m3.name_id='$region_n'";
+ $where[] = "m3.value_id='$region_value_n'";
+ }
+ if ($site_guid > 0)
+ $where[] = "e.site_guid = {$site_guid}";
+ if ($filter) {
+ if (is_array($owner_guid)) {
+ $where[] = "ms2.string in (".implode(",",$owner_guid).")";
+ } else if ($owner_guid > 0) {
+ $where[] = "ms2.string = {$owner_guid}";
+ }
+
+ $where[] = "ms.string = 'personal_event'";
+ } else {
+ if (is_array($owner_guid)) {
+ $where[] = "e.owner_guid in (".implode(",",$owner_guid).")";
+ } else if ($owner_guid > 0) {
+ $where[] = "e.owner_guid = {$owner_guid}";
+ }
+ }
+
+ if (is_array($container_guid)) {
+ $where[] = "e.container_guid in (".implode(",",$container_guid).")";
+ } else if ($container_guid > 0)
+ $where[] = "e.container_guid = {$container_guid}";
+
+ if (!$count) {
+ $query = "SELECT distinct e.* ";
+ } else {
+ $query = "SELECT count(distinct e.guid) as total ";
+ }
+
+ $query .= "from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}metadata m on e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metadata m2 on e.guid = m2.entity_guid ";
+ if ($filter) {
+ $query .= "JOIN {$CONFIG->dbprefix}annotations a ON (a.entity_guid = e.guid) ";
+ $query .= "JOIN {$CONFIG->dbprefix}metastrings ms ON (a.name_id = ms.id) ";
+ $query .= "JOIN {$CONFIG->dbprefix}metastrings ms2 ON (a.value_id = ms2.id) ";
+ }
+ if ($region && $region != '-') {
+ $query .= "JOIN {$CONFIG->dbprefix}metadata m3 ON (e.guid = m3.entity_guid) ";
+ }
+ $query .= "JOIN {$CONFIG->dbprefix}metastrings v on v.id = m.value_id JOIN {$CONFIG->dbprefix}metastrings v2 on v2.id = m2.value_id where";
+ foreach ($where as $w)
+ $query .= " $w and ";
+ $query .= get_access_sql_suffix("e"); // Add access controls
+ $query .= ' and ' . get_access_sql_suffix("m"); // Add access controls
+ $query .= ' and ' . get_access_sql_suffix("m2"); // Add access controls
+
+ if (!$count) {
+ $query .= " order by $order_by";
+ if ($limit) {
+ $query .= " limit $offset, $limit"; // Add order and limit
+ }
+ $entities = get_data($query, "entity_row_to_elggstar");
+ if (elgg_get_plugin_setting('add_to_group_calendar', 'event_calendar') == 'yes') {
+ if (get_entity($container_guid) instanceOf ElggGroup) {
+ $entities = event_calendar_get_entities_from_metadata_between_related($meta_start_name, $meta_end_name,
+ $meta_start_value, $meta_end_value, $entity_type,
+ $entity_subtype, $owner_guid, $container_guid,
+ 0, 0, "", 0,
+ false, false, '-',$entities);
+ }
+ }
+ return $entities;
+ } else {
+ if ($row = get_data_row($query))
+ return $row->total;
+ }
+ return false;
+}
+
+// adds any related events (has the display_on_group relation)
+// that meet the appropriate criteria
+
+function event_calendar_get_entities_from_metadata_between_related($meta_start_name, $meta_end_name,
+$meta_start_value, $meta_end_value, $entity_type = "",
+$entity_subtype = "", $owner_guid = 0, $container_guid = 0,
+$limit = 10, $offset = 0, $order_by = "", $site_guid = 0,
+$filter = false, $count = false, $region='-',$main_events) {
+
+ $main_list = array();
+ if ($main_events) {
+ foreach ($main_events as $event) {
+ $main_list[$event->guid] = $event;
+ }
+ }
+ $related_list = array();
+ $related_events = elgg_get_entities_from_relationship(array(
+ 'relationship' => 'display_on_group',
+ 'relationship_guid' => $container_guid,
+ 'inverse_relationship' => TRUE,
+ ));
+ if ($related_events) {
+ foreach ($related_events as $event) {
+ $related_list[$event->guid] = $event;
+ }
+ }
+ // get all the events (across all containers) that meet the criteria
+ $all_events = event_calendar_get_entities_from_metadata_between($meta_start_name, $meta_end_name,
+ $meta_start_value, $meta_end_value, $entity_type, $entity_subtype, $owner_guid,
+ 0, $limit, $offset, $order_by, $site_guid, $filter, $count, $region);
+
+ if ($all_events) {
+ foreach($all_events as $event) {
+ if (array_key_exists($event->guid,$related_list)
+ && !array_key_exists($event->guid,$main_list)) {
+ // add to main events
+ $main_events[] = $event;
+ }
+ }
+ }
+ return event_calendar_vsort($main_events,$meta_start_name);
+}
+
+// TODO: try to replace this with new Elgg 1.7 API
+/**
+ * Return a list of entities based on the given search criteria.
+ * In this case, returns entities with the given metadata between two values inclusive
+ *
+ * @param mixed $meta_start_name
+ * @param mixed $meta_end_name
+ * @param mixed $meta_start_value - start of metadata range, must be numerical value
+ * @param mixed $meta_end_value - end of metadata range, must be numerical value
+ * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
+ * @param string $entity_subtype The subtype of the entity.
+ * @param mixed $owner_guid Either one integer user guid or an array of user guids
+ * @param int $container_guid If supplied, the result is restricted to events associated with a specific container
+ * @param int $limit
+ * @param int $offset
+ * @param string $order_by Optional ordering.
+ * @param int $site_guid The site to get entities for. Leave as 0 (default) for the current site; -1 for all sites.
+ * @param boolean $filter Filter by events in personal calendar if true
+ * @param true|false $count If set to true, returns the total number of entities rather than a list. (Default: false)
+ * @param string $meta_max metadata name containing maximum annotation count
+ * @param string $annotation_name annotation name to count
+ *
+ * @return int|array A list of entities, or a count if $count is set to true
+ *
+ * TODO: see if the new API is robust enough to avoid this custom query
+ */
+function event_calendar_get_entities_from_metadata_between2
+($meta_start_name, $meta_end_name, $meta_start_value, $meta_end_value,
+$entity_type = "", $entity_subtype = "", $owner_guid = 0, $container_guid = 0,
+$limit = 10, $offset = 0, $order_by = "", $site_guid = 0, $filter = false,
+$count = false, $region='-', $meta_max = '', $annotation_name = '')
+{
+ global $CONFIG;
+
+ // This should not be possible, but a sanity check just in case
+ if (!is_numeric($meta_start_value) || !is_numeric($meta_end_value)) {
+ return FALSE;
+ }
+
+ $meta_start_n = get_metastring_id($meta_start_name);
+ $meta_end_n = get_metastring_id($meta_end_name);
+ if ($region && $region != '-') {
+ $region_n = get_metastring_id('region');
+ $region_value_n = get_metastring_id($region);
+ if (!$region_n || !$region_value_n) {
+ if ($count) {
+ return 0;
+ } else {
+ return false;
+ }
+ }
+ }
+
+ $entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
+ $limit = (int)$limit;
+ $offset = (int)$offset;
+ //if ($order_by == "") $order_by = "e.time_created desc";
+ if ($order_by == "") $order_by = "v.string asc";
+ $order_by = sanitise_string($order_by);
+ $site_guid = (int) $site_guid;
+ if ((is_array($owner_guid) && (count($owner_guid)))) {
+ foreach($owner_guid as $key => $guid) {
+ $owner_guid[$key] = (int) $guid;
+ }
+ } else {
+ $owner_guid = (int) $owner_guid;
+ }
+
+ if ((is_array($container_guid) && (count($container_guid)))) {
+ foreach($container_guid as $key => $guid) {
+ $container_guid[$key] = (int) $guid;
+ }
+ } else {
+ $container_guid = (int) $container_guid;
+ }
+ if ($site_guid == 0)
+ $site_guid = $CONFIG->site_guid;
+
+ //$access = get_access_list();
+
+ $where = array();
+
+ if ($entity_type!="")
+ $where[] = "e.type='$entity_type'";
+ if ($entity_subtype)
+ $where[] = "e.subtype=$entity_subtype";
+ $where[] = "m.name_id='$meta_start_n'";
+ $where[] = "m2.name_id='$meta_end_n'";
+ $where[] = "((v.string >= $meta_start_value AND v.string <= $meta_end_value) OR ( v2.string >= $meta_start_value AND v2.string <= $meta_end_value) OR (v.string <= $meta_start_value AND v2.string >= $meta_start_value) OR ( v2.string <= $meta_end_value AND v2.string >= $meta_end_value))";
+ if ($region && $region != '-') {
+ $where[] = "m3.name_id='$region_n'";
+ $where[] = "m3.value_id='$region_value_n'";
+ }
+ if ($site_guid > 0)
+ $where[] = "e.site_guid = {$site_guid}";
+ if ($filter) {
+ if (is_array($owner_guid)) {
+ $where[] = "ms2.string in (".implode(",",$owner_guid).")";
+ } else if ($owner_guid > 0) {
+ $where[] = "ms2.string = {$owner_guid}";
+ }
+
+ $where[] = "ms.string = 'personal_event'";
+ } else {
+ if (is_array($owner_guid)) {
+ $where[] = "e.owner_guid in (".implode(",",$owner_guid).")";
+ } else if ($owner_guid > 0) {
+ $where[] = "e.owner_guid = {$owner_guid}";
+ }
+ }
+
+ if (is_array($container_guid)) {
+ $where[] = "e.container_guid in (".implode(",",$container_guid).")";
+ } else if ($container_guid > 0)
+ $where[] = "e.container_guid = {$container_guid}";
+
+ if (!$count) {
+ $query = "SELECT distinct e.* ";
+ } else {
+ $query = "SELECT count(distinct e.guid) as total ";
+ }
+
+ $query .= "FROM {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}metadata m on e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metadata m2 on e.guid = m2.entity_guid ";
+ if ($filter) {
+ $query .= "JOIN {$CONFIG->dbprefix}annotations a ON (a.entity_guid = e.guid) ";
+ $query .= "JOIN {$CONFIG->dbprefix}metastrings ms ON (a.name_id = ms.id) ";
+ $query .= "JOIN {$CONFIG->dbprefix}metastrings ms2 ON (a.value_id = ms2.id) ";
+ }
+ if ($region && $region != '-') {
+ $query .= "JOIN {$CONFIG->dbprefix}metadata m3 ON (e.guid = m3.entity_guid) ";
+ }
+ if ($meta_max && $annotation_name) {
+ // This groups events for which the meta max name is defined
+ // perhaps this should be a left join and accept null values?
+ // so it would return groups with no spots defined as well
+ $meta_max_n = get_metastring_id($meta_max);
+ $ann_n = get_metastring_id($annotation_name);
+ if (!$meta_max_n || !$ann_n) {
+ if ($count) {
+ return 0;
+ } else {
+ return false;
+ }
+ }
+
+ $query .= " LEFT JOIN {$CONFIG->dbprefix}metadata m4 ON (e.guid = m4.entity_guid AND m4.name_id=$meta_max_n) ";
+ $query .= " LEFT JOIN {$CONFIG->dbprefix}metastrings ms4 ON (m4.value_id = ms4.id) ";
+ $where[] = "((ms4.string is null) OR (ms4.string = \"\") OR (CONVERT(ms4.string,SIGNED) > (SELECT count(id) FROM {$CONFIG->dbprefix}annotations ann WHERE ann.entity_guid = e.guid AND name_id = $ann_n GROUP BY entity_guid)))";
+ }
+ $query .= "JOIN {$CONFIG->dbprefix}metastrings v on v.id = m.value_id JOIN {$CONFIG->dbprefix}metastrings v2 on v2.id = m2.value_id where";
+ foreach ($where as $w)
+ $query .= " $w AND ";
+ $query .= get_access_sql_suffix("e"); // Add access controls
+ $query .= ' AND ' . get_access_sql_suffix("m"); // Add access controls
+ $query .= ' AND ' . get_access_sql_suffix("m2"); // Add access controls
+
+ if (!$count) {
+ $query .= " order by $order_by";
+ if ($limit) {
+ $query .= " limit $offset, $limit"; // Add order and limit
+ }
+ $entities = get_data($query, "entity_row_to_elggstar");
+ if (elgg_get_plugin_setting('add_to_group_calendar', 'event_calendar') == 'yes') {
+ if (get_entity($container_guid) instanceOf ElggGroup) {
+ $entities = event_calendar_get_entities_from_metadata_between_related($meta_start_name, $meta_end_name,
+ $meta_start_value, $meta_end_value, $entity_type,
+ $entity_subtype, $owner_guid, $container_guid,
+ 0, 0, "", 0,
+ false, false, '-',$entities);
+ }
+ }
+ return $entities;
+ } else {
+ if ($row = get_data_row($query))
+ return $row->total;
+ }
+ return false;
+}
+
+function event_calendar_has_personal_event($event_guid,$user_guid) {
+ // check legacy implementation and new one
+ if (check_entity_relationship($user_guid,'personal_event',$event_guid)) {
+ return TRUE;
+ } else {
+ // use old method for now
+ $options = array('guid'=>$event_guid,'annotation_name' => 'personal_event', 'annotation_value' => $user_guid,'count'=>TRUE);
+ //$annotations = get_annotations($event_guid, "object", "event_calendar", "personal_event", (int) $user_guid, $user_guid);
+ if (elgg_get_annotations($options)) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ }
+}
+
+function event_calendar_add_personal_event($event_guid,$user_guid) {
+ if ($event_guid && $user_guid) {
+ if (!event_calendar_has_personal_event($event_guid,$user_guid)
+ && !event_calendar_has_collision($event_guid,$user_guid)) {
+ if (!event_calendar_is_full($event_guid)) {
+ add_entity_relationship($user_guid,'personal_event',$event_guid);
+ return TRUE;
+ }
+ }
+ }
+ return FALSE;
+}
+
+function event_calendar_add_personal_events_from_group($event_guid,$group_guid) {
+ $members = get_group_members($group_guid, 100000);
+ foreach($members as $member) {
+ $member_id = $member->getGUID();
+ event_calendar_add_personal_event($event_guid,$member_id);
+ }
+}
+
+function event_calendar_remove_personal_event($event_guid,$user_guid) {
+ remove_entity_relationship($user_guid,'personal_event',$event_guid);
+ // also use old method for now
+ $annotations = get_annotations($event_guid, "object", "event_calendar", "personal_event", (int) $user_guid, $user_guid);
+ if ($annotations) {
+ foreach ($annotations as $annotation) {
+ $annotation->delete();
+ }
+ }
+}
+
+function event_calendar_get_personal_events_for_user($user_guid,$limit) {
+ $events_old_way = elgg_get_entities_from_annotations(array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'annotation_names' => 'personal_event',
+ 'annotation_value' => $user_guid,
+ 'limit' => 0,
+ ));
+
+ $events_new_way = elgg_get_entities_from_relationship(array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'relationship' => 'personal_event',
+ 'relationship_guid' => $user_guid,
+ 'limit' => 0,
+ ));
+
+ $events = array_merge($events_old_way,$events_new_way);
+
+ $final_events = array();
+ if ($events) {
+ $now = time();
+ $one_day = 60*60*24;
+ // don't show events that have been over for more than a day
+ foreach($events as $event) {
+ if (($event->start_date > $now-$one_day) || ($event->end_date && ($event->end_date > $now-$one_day))) {
+ $final_events[] = $event;
+ }
+ }
+ }
+ $sorted = event_calendar_vsort($final_events,'start_date');
+ return array_slice($sorted,0,$limit);
+}
+
+// the old way used annotations, and the new Elgg 1.8 way uses relationships
+// for now this version attempts to bridge the gap by using both methods for older sites
+
+function event_calendar_get_users_for_event($event_guid,$limit,$offset=0,$is_count=FALSE) {
+ $options = array(
+ 'type' => 'user',
+ 'relationship' => 'personal_event',
+ 'relationship_guid' => $event_guid,
+ 'inverse_relationship' => TRUE,
+ 'limit' => 0,
+ );
+ if ($is_count) {
+ //$count_old_way = count_annotations($event_guid, "object", "event_calendar", "personal_event");
+ $count_old_way = elgg_get_annotations(array(
+ 'guid'=>$event_guid,
+ 'type'=>"object",
+ 'subtype'=>"event_calendar",
+ 'annotation_name' => "personal_event",
+ 'count'=>TRUE)
+ );
+ $options ['count'] = TRUE;
+ $count_new_way = elgg_get_entities_from_relationship($options);
+ return $count_old_way + $count_new_way;
+ } else {
+ $users_old_way = array();
+ //$annotations = get_annotations($event_id, "object", "event_calendar", "personal_event", "", 0, $limit, $offset);
+ $annotations = elgg_get_annotations(array(
+ 'guid'=>$event_guid,
+ 'type'=>"object",
+ 'subtype'=>"event_calendar",
+ 'annotation_name' => "personal_event",
+ 'limit' => $limit,
+ 'offset' => $offset)
+ );
+ if ($annotations) {
+ foreach($annotations as $annotation) {
+ if (($user = get_entity($annotation->value)) && ($user instanceOf ElggUser)) {
+ $users_old_way[] = $user;
+ }
+ }
+ }
+ $users_new_way = elgg_get_entities_from_relationship($options);
+ return array_merge($users_old_way,$users_new_way);
+ }
+}
+
+function event_calendar_security_fields() {
+ $ts = time();
+ $token = generate_action_token($ts);
+ return "__elgg_token=$token&__elgg_ts=$ts";
+}
+
+function event_calendar_get_events_for_group($group_guid, $limit = 0) {
+ $options = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'container_guid' => $group_guid,
+ 'limit' => $limit,
+ );
+ return elgg_get_entities($options);
+}
+
+function event_calendar_convert_time($time) {
+ $event_calendar_time_format = elgg_get_plugin_setting('timeformat','event_calendar');
+ if ($event_calendar_time_format == '12') {
+ $hour = floor($time/60);
+ $minute = sprintf("%02d",$time-60*$hour);
+ if ($hour < 12) {
+ return "$hour:$minute am";
+ } else {
+ $hour -= 12;
+ return "$hour:$minute pm";
+ }
+ } else {
+ $hour = floor($time/60);
+ $minute = sprintf("%02d",$time-60*$hour);
+ return "$hour:$minute";
+ }
+}
+
+function event_calendar_format_time($date,$time1,$time2='') {
+ if (is_numeric($time1)) {
+ $t = event_calendar_convert_time($time1);
+ if (is_numeric($time2)) {
+ $t .= " - ".event_calendar_convert_time($time2);
+ }
+ return "$t, $date";
+ } else {
+ return $date;
+ }
+}
+
+function event_calender_get_gmt_from_server_time($server_time) {
+ $gmtime = $server_time - (int)substr(date('O'),0,3)*60*60;
+}
+
+function event_calendar_activated_for_group($group) {
+ $group_calendar = elgg_get_plugin_setting('group_calendar', 'event_calendar');
+ $group_default = elgg_get_plugin_setting('group_default', 'event_calendar');
+ if ($group && ($group_calendar != 'no')) {
+ if ( ($group->event_calendar_enable == 'yes') || ((!$group->event_calendar_enable && (!$group_default || $group_default == 'yes')))) {
+ return true;
+ }
+ }
+ return false;
+}
+
+function event_calendar_get_region($event) {
+ $event_calendar_region_list_handles = elgg_get_plugin_setting('region_list_handles', 'event_calendar');
+ $region = trim($event->region);
+ if ($event_calendar_region_list_handles == 'yes') {
+ $region = elgg_echo('event_calendar:region:'.$region);
+ }
+ return htmlspecialchars($region);
+}
+
+function event_calendar_get_type($event) {
+ $event_calendar_type_list_handles = elgg_get_plugin_setting('type_list_handles', 'event_calendar');
+ $type = trim($event->event_type);
+ if ($type) {
+ if ($event_calendar_type_list_handles == 'yes') {
+ $type = elgg_echo('event_calendar:type:'.$type);
+ }
+ return htmlspecialchars($type);
+ } else {
+ return $type;
+ }
+}
+
+function event_calendar_get_formatted_full_items($event) {
+ $time_bit = event_calendar_get_formatted_time($event);
+ $event_calendar_region_display = elgg_get_plugin_setting('region_display', 'event_calendar');
+ $event_calendar_type_display = elgg_get_plugin_setting('type_display', 'event_calendar');
+ $event_items = array();
+ if ($time_bit) {
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:when_label');
+ $item->value = $time_bit;
+ $event_items[] = $item;
+ }
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:venue_label');
+ $item->value = htmlspecialchars($event->venue);
+ $event_items[] = $item;
+ if ($event_calendar_region_display == 'yes') {
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:region_label');
+ $item->value = event_calendar_get_region($event);
+ $event_items[] = $item;
+ }
+ if ($event_calendar_type_display == 'yes') {
+ $event_type = event_calendar_get_type($event);
+ if ($event_type) {
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:type_label');
+ $item->value = event_calendar_get_type($event);
+ $event_items[] = $item;
+ }
+ }
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:fees_label');
+ $item->value = htmlspecialchars($event->fees);
+ $event_items[] = $item;
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:organiser_label');
+ $item->value = htmlspecialchars($event->organiser);
+ $event_items[] = $item;
+ $item = new stdClass();
+ $item->title = elgg_echo('event_calendar:contact_label');
+ $item->value = htmlspecialchars($event->contact);
+ $event_items[] = $item;
+
+ return $event_items;
+}
+
+function event_calendar_get_formatted_time($event) {
+ if (!$event->start_date) {
+ return '';
+ }
+ $date_format = 'j M Y';
+ $event_calendar_times = elgg_get_plugin_setting('times', 'event_calendar') != 'no';
+
+ $start_date = date($date_format,$event->start_date);
+ if ($event->end_date) {
+ $end_date = date($date_format,$event->end_date);
+ }
+ if ((!$event->end_date) || ($end_date == $start_date)) {
+ if (!$event->all_day && $event_calendar_times) {
+ $start_date = event_calendar_format_time($start_date,$event->start_time,$event->end_time);
+ }
+ $time_bit = $start_date;
+ } else {
+ if (!$event->all_day && $event_calendar_times) {
+ $start_date = event_calendar_format_time($start_date,$event->start_time);
+ $end_date = event_calendar_format_time($end_date,$event->end_time);
+ }
+ $time_bit = "$start_date - $end_date";
+ }
+
+ if ($event->repeats == 'yes') {
+ $dow = array('monday','tuesday','wednesday','thursday','friday','saturday','sunday');
+ $r = array();
+ foreach ($dow as $w) {
+ $fn = 'event-calendar-repeating-'.$w.'-value';
+ if ($event->$fn) {
+ $r[] = elgg_echo('event_calendar:dow:full:'.$w);
+ }
+ }
+ $week_bit = implode(", ",$r);
+ if ($event->repeat_interval > 1) {
+ $week_bit .= ' '.elgg_echo('event_calendar:repeated_event:week_interval',array($event->repeat_interval));
+ } else {
+ $week_bit .= ' '.elgg_echo('event_calendar:repeated_event:week_single');
+ }
+ $time_bit = elgg_echo('event_calendar:repeated_event:format',array($time_bit, $week_bit));
+ }
+
+ return $time_bit;
+}
+
+function event_calendar_get_formatted_date($ts) {
+ // TODO: make the date format configurable
+ return date('j/n/Y',$ts);
+}
+
+function event_calendar_is_full($event_id) {
+ $event_calendar_spots_display = elgg_get_plugin_setting('spots_display', 'event_calendar');
+ if ($event_calendar_spots_display == 'yes') {
+ $count = event_calendar_get_users_for_event($event_id,0,0,TRUE);
+ $event = get_entity($event_id);
+ if ($event) {
+ $spots = $event->spots;
+ if (is_numeric($spots)) {
+ if ($count >= $spots) {
+ return TRUE;
+ }
+ }
+ }
+ }
+ return FALSE;
+}
+
+function event_calendar_has_collision($event_id, $user_id) {
+ $no_collisions = elgg_get_plugin_setting('no_collisions', 'event_calendar');
+ if ($no_collisions == 'yes') {
+ $event = get_entity($event_id);
+ if ($event) {
+ $start_time = $event->start_date;
+ $end_time = event_calendar_get_end_time($event);
+ // look to see if the user already has events within this period
+ $count = event_calendar_get_events_for_user_between2($start_time,$end_time,TRUE,10,0,$user_id);
+ if ($count > 0) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+// this complicated bit of code determines the event end time
+function event_calendar_get_end_time($event) {
+ $default_length = elgg_get_plugin_setting('collision_length', 'event_calendar');
+ $start_time = $event->start_date;
+ $end_time = $event->end_time;
+ $end_date = $event->end_date;
+ if($end_date) {
+ if ($end_time) {
+ $end_time = $end_date+$end_time*60;
+ } else if ($start_time == $end_date) {
+ if (is_numeric($default_length)) {
+ $end_time = $end_date + $default_length;
+ } else {
+ // default to an hour length
+ $end_time = $start_time + 3600;
+ }
+ } else {
+ $end_time = $end_date;
+ }
+ } else {
+ if ($end_time) {
+ if ($event->start_time) {
+ $end_time = $start_time + ($end_time*60 - $event->start_time*60);
+ } else {
+ $end_time = $start_time + $end_time*60;
+ }
+ } else {
+ if (is_numeric($default_length)) {
+ $end_time = $start_time + $default_length;
+ } else {
+ // default to an hour length
+ $end_time = $start_time + 3600;
+ }
+ }
+ }
+
+ return $end_time;
+}
+
+// a version to allow for some customised options
+function event_calendar_view_entity_list($entities, $count, $offset, $limit, $fullview = true, $viewtypetoggle = true, $pagination = true) {
+ $count = (int) $count;
+ $limit = (int) $limit;
+
+ // do not require views to explicitly pass in the offset
+ if (!$offset = (int) $offset) {
+ $offset = sanitise_int(get_input('offset', 0));
+ }
+
+ $context = elgg_get_context();
+
+ $html = elgg_view('event_calendar/entities/entity_list',array(
+ 'entities' => $entities,
+ 'count' => $count,
+ 'offset' => $offset,
+ 'limit' => $limit,
+ 'baseurl' => $_SERVER['REQUEST_URI'],
+ 'fullview' => $fullview,
+ 'context' => $context,
+ 'viewtypetoggle' => $viewtypetoggle,
+ 'viewtype' => get_input('search_viewtype','list'),
+ 'pagination' => $pagination
+ ));
+
+ return $html;
+}
+
+// returns open, closed or private for the given event and user
+function event_calendar_personal_can_manage($event,$user_id) {
+ $status = 'private';
+ $event_calendar_personal_manage = elgg_get_plugin_setting('personal_manage', 'event_calendar');
+ if (!$event_calendar_personal_manage
+ || $event_calendar_personal_manage == 'open'
+ || $event_calendar_personal_manage == 'yes'
+ || (($event_calendar_personal_manage == 'by_event' && (!$event->personal_manage || ($event->personal_manage == 'open'))))) {
+ $status = 'open';
+ } else {
+ // in this case only admins or event owners can manage events on their personal calendars
+ if(elgg_is_admin_logged_in()) {
+ $status = 'open';
+ } else if ($event && ($event->owner_guid == $user_id)) {
+ $status = 'open';
+ } else if (($event_calendar_personal_manage == 'closed')
+ || ($event_calendar_personal_manage == 'no')
+ || (($event_calendar_personal_manage == 'by_event') && ($event->personal_manage == 'closed'))) {
+ $status = 'closed';
+ }
+ }
+
+ return $status;
+}
+
+function event_calendar_send_event_request($event,$user_guid) {
+ $result = FALSE;
+ if(add_entity_relationship($user_guid, 'event_calendar_request', $event->guid)) {
+ $subject = elgg_echo('event_calendar:request_subject');
+ $name = get_entity($user_guid)->name;
+ $title = $event->title;
+ $url = $event->getUrl();
+ $link = elgg_get_site_url().'event_calendar/review_requests/'.$event->guid;
+ $message = sprintf(elgg_echo('event_calendar:request_message'),$name,$title,$url,$link);
+ notify_user($event->owner_guid,elgg_get_site_entity()->guid,$subject,$message);
+ $result = TRUE;
+ }
+ return $result;
+}
+
+// pages
+
+function event_calendar_get_page_content_list($page_type,$container_guid,$start_date,$display_mode,$filter,$region='-') {
+ elgg_load_js('elgg.event_calendar');
+ global $autofeed;
+ $autofeed = true;
+ if ($page_type == 'group') {
+ if (!event_calendar_activated_for_group($container_guid)) {
+ forward();
+ }
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'));
+ elgg_push_context('groups');
+ elgg_set_page_owner_guid($container_guid);
+ $user_guid = elgg_get_logged_in_user_guid();
+ if(event_calendar_can_add($container_guid)) {
+ elgg_register_menu_item('title', array(
+ 'name' => 'add',
+ 'href' => "event_calendar/add/".$container_guid,
+ 'text' => elgg_echo('event_calendar:add'),
+ 'class' => 'elgg-button elgg-button-action event-calendar-button-add',
+ ));
+ }
+ } else {
+ elgg_push_breadcrumb(elgg_echo('item:object:event_calendar'));
+ $user_guid = elgg_get_logged_in_user_guid();
+ if(event_calendar_can_add($container_guid)) {
+ elgg_register_menu_item('title', array(
+ 'name' => 'add',
+ 'href' => "event_calendar/add",
+ 'text' => elgg_echo('event_calendar:add'),
+ 'class' => 'elgg-button elgg-button-action event-calendar-button-add',
+ ));
+ }
+ }
+
+ $params = event_calendar_generate_listing_params($page_type,$container_guid,$start_date,$display_mode,$filter,$region);
+
+ $url = current_page_url();
+ if (substr_count($url, '?')) {
+ $url .= "&view=ical";
+ } else {
+ $url .= "?view=ical";
+ }
+
+ $url = elgg_format_url($url);
+ $menu_options = array(
+ 'name' => 'ical',
+ 'id' => 'event-calendar-ical-link',
+ 'text' => elgg_view_icon('calendar'),
+ 'href' => $url,
+ 'title' => elgg_echo('feed:ical'),
+ 'priority' => 800,
+ 'rel' => 'popup',
+ );
+ $menu_item = ElggMenuItem::factory($menu_options);
+ elgg_register_menu_item('extras', $menu_item);
+
+ $body = elgg_view_layout("content", $params);
+ $body .= elgg_view_module('popup', elgg_echo('feed:ical'), elgg_echo('event_calendar:ical_popup_message') . elgg_view('output/url', array(
+ 'href' => $url,
+ 'text' => elgg_echo('export'),
+ 'class' => 'elgg-button elgg-button-action',
+ )), array(
+ 'id' => 'event-calendar-ical',
+ 'class' => 'event-calendar-ical hidden',
+ ));
+
+ return elgg_view_page($title, $body);
+}
+
+function event_calendar_get_page_content_edit($page_type,$guid,$start_date='') {
+ elgg_load_js('elgg.event_calendar');
+ $vars = array();
+ $vars['id'] = 'event-calendar-edit';
+ // just in case a feature adds an image upload
+ $vars['enctype'] = 'multipart/form-data';
+
+ $body_vars = array();
+
+ if ($page_type == 'edit') {
+ $title = elgg_echo('event_calendar:manage_event_title');
+ $event = get_entity((int)$guid);
+ if (elgg_instanceof($event, 'object', 'event_calendar') && $event->canEdit()) {
+ $body_vars['event'] = $event;
+ $body_vars['form_data'] = event_calendar_prepare_edit_form_vars($event,$page_type);
+
+ $event_container = get_entity($event->container_guid);
+ if (elgg_instanceof($event_container, 'group')) {
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'), 'event_calendar/group/'.$event->container_guid);
+ $body_vars['group_guid'] = $event_container->guid;
+ } else {
+ elgg_push_breadcrumb(elgg_echo('event_calendar:show_events_title'),'event_calendar/list');
+ $body_vars['group_guid'] = 0;
+ }
+ elgg_push_breadcrumb($event->title,$event->getURL());
+ elgg_push_breadcrumb(elgg_echo('event_calendar:manage_event_title'));
+
+ $content = elgg_view_form('event_calendar/edit', $vars,$body_vars);
+ } else {
+ $content = elgg_echo('event_calendar:error_event_edit');
+ }
+ } else {
+ $title = elgg_echo('event_calendar:add_event_title');
+
+ if ($guid) {
+ // add to group
+ $group = get_entity($guid);
+ if (elgg_instanceof($group, 'group')) {
+ $body_vars['group_guid'] = $guid;
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'), 'event_calendar/group/'.$guid);
+ elgg_push_breadcrumb(elgg_echo('event_calendar:add_event_title'));
+ $body_vars['form_data'] = event_calendar_prepare_edit_form_vars(NULL,$page_type,$start_date);
+ $content = elgg_view_form('event_calendar/edit', $vars, $body_vars);
+ } else {
+ $content = elgg_echo('event_calendar:no_group');
+ }
+ } else {
+ $body_vars['group_guid'] = 0;
+ elgg_push_breadcrumb(elgg_echo('event_calendar:show_events_title'),'event_calendar/list');
+
+ elgg_push_breadcrumb(elgg_echo('event_calendar:add_event_title'));
+ $body_vars['form_data'] = event_calendar_prepare_edit_form_vars(NULL,$page_type,$start_date);
+
+ $content = elgg_view_form('event_calendar/edit', $vars, $body_vars);
+ }
+ }
+
+ $params = array('title' => $title, 'content' => $content,'filter' => '');
+
+ $body = elgg_view_layout("content", $params);
+
+ return elgg_view_page($title,$body);
+}
+
+/**
+ * Pull together variables for the edit form
+ *
+ * @param ElggObject $event
+ * @return array
+ */
+function event_calendar_prepare_edit_form_vars($event = NULL, $page_type = '', $start_date = '') {
+
+ // input names => defaults
+ $now = time();
+ $iso_date = date('Y-m-d',$now);
+ $now_midnight = strtotime($iso_date);
+ if ($start_date) {
+ $start_date = strtotime($start_date);
+ } else {
+ $start_date = $now+60*60;
+ }
+ $start_time = floor(($now-$now_midnight)/60) + 60;
+ $start_time = floor($start_time/5)*5;
+ $values = array(
+ 'title' => NULL,
+ 'description' => NULL,
+ 'venue' => NULL,
+ 'start_date' => $start_date,
+ 'end_date' => $start_date+60*60,
+ 'start_time' => $start_time,
+ 'end_time' => $start_time + 60,
+ 'spots' => NULL,
+ 'region' => '-',
+ 'event_type' => '-',
+ 'fees' => NULL,
+ 'contact' => NULL,
+ 'organiser' => NULL,
+ 'tags' => NULL,
+ 'send_reminder' => NULL,
+ 'reminder_number' => 1,
+ 'reminder_interval' => 60,
+ 'repeats' => NULL,
+ 'repeat_interval' => 1,
+ 'event-calendar-repeating-monday-value' => 0,
+ 'event-calendar-repeating-tuesday-value' => 0,
+ 'event-calendar-repeating-wednesday-value' => 0,
+ 'event-calendar-repeating-thursday-value' => 0,
+ 'event-calendar-repeating-friday-value' => 0,
+ 'event-calendar-repeating-saturday-value' => 0,
+ 'event-calendar-repeating-sunday-value' => 0,
+ 'personal_manage' => 'open',
+ 'web_conference' => NULL,
+ 'long_description' => NULL,
+ 'access_id' => ACCESS_DEFAULT,
+ 'group_guid' => NULL,
+ );
+
+ if ($page_type == 'schedule') {
+ $values['schedule_type'] = 'poll';
+ } else {
+ $values['schedule_type'] = 'all_day';
+ }
+
+ if ($event) {
+ foreach (array_keys($values) as $field) {
+ if (isset($event->$field)) {
+ $values[$field] = $event->$field;
+ }
+ }
+ }
+
+ if (elgg_is_sticky_form('event_calendar')) {
+ $sticky_values = elgg_get_sticky_values('event_calendar');
+ foreach ($sticky_values as $key => $value) {
+ $values[$key] = $value;
+ }
+ }
+
+ elgg_clear_sticky_form('event_calendar');
+
+ return $values;
+}
+
+function event_calendar_generate_listing_params($page_type,$container_guid,$original_start_date,$display_mode,$filter,$region='-') {
+ $event_calendar_listing_format = elgg_get_plugin_setting('listing_format', 'event_calendar');
+ $event_calendar_spots_display = trim(elgg_get_plugin_setting('spots_display', 'event_calendar'));
+ $event_calendar_first_date = trim(elgg_get_plugin_setting('first_date', 'event_calendar'));
+ $event_calendar_last_date = trim(elgg_get_plugin_setting('last_date', 'event_calendar'));
+
+ if (!$original_start_date) {
+ $original_start_date = date('Y-m-d');
+ }
+ if ( $event_calendar_first_date && ($original_start_date < $event_calendar_first_date) ) {
+ $original_start_date = $event_calendar_first_date;
+ }
+ if ( $event_calendar_last_date && ($original_start_date > $event_calendar_last_date) ) {
+ $original_start_date = $event_calendar_first_date;
+ }
+
+ if ($event_calendar_listing_format == 'paged') {
+ $start_ts = strtotime($original_start_date);
+ $start_date = $original_start_date;
+ if ($event_calendar_last_date) {
+ $end_ts = strtotime($event_calendar_last_date);
+ } else {
+ // set to a large number
+ $end_ts = 2000000000;
+ }
+ $mode = 'paged';
+ } else {
+
+ // the default interval is one month
+ $day = 60*60*24;
+ $week = 7*$day;
+ $month = 31*$day;
+
+ $mode = trim($display_mode);
+ if (!$mode) {
+ $mode = 'month';
+ }
+
+ if ($mode == "day") {
+ $start_date = $original_start_date;
+ $end_date = $start_date;
+ $start_ts = strtotime($start_date);
+ $end_ts = strtotime($end_date)+$day-1;
+ } else if ($mode == "week") {
+ // need to adjust start_date to be the beginning of the week
+ $start_ts = strtotime($original_start_date);
+ $start_ts -= date("w",$start_ts)*$day;
+ $end_ts = $start_ts + 6*$day;
+
+ $start_date = date('Y-m-d',$start_ts);
+ $end_date = date('Y-m-d',$end_ts);
+ } else {
+ $start_ts = strtotime($original_start_date);
+ $month = date('m',$start_ts);
+ $year = date('Y',$start_ts);
+ $start_date = $year.'-'.$month.'-1';
+ $end_date = $year.'-'.$month.'-'.getLastDayOfMonth($month,$year);
+ }
+
+ if ($event_calendar_first_date && ($start_date < $event_calendar_first_date)) {
+ $start_date = $event_calendar_first_date;
+ }
+
+ if ($event_calendar_last_date && ($end_date > $event_calendar_last_date)) {
+ $end_date = $event_calendar_last_date;
+ }
+
+ $start_ts = strtotime($start_date);
+
+ if ($mode == "day") {
+ $end_ts = strtotime($end_date)+$day-1;
+ $subtitle = elgg_echo('event_calendar:day_label').': '.date('j F Y',strtotime($start_date));
+ } else if ($mode == "week") {
+ // KJ - fix for end date bug
+ //$end_ts = $start_ts + 6*$day;
+ $end_ts = $start_ts + 7*$day;
+ $subtitle = elgg_echo('event_calendar:week_label').': '.date('j F',$start_ts) . ' - '.date('j F Y',$end_ts);
+ } else {
+ // KJ - fix for end date bug
+ //$end_ts = strtotime($end_date);
+ $end_ts = strtotime($end_date)+24*60*60-1;
+ $subtitle = date('F Y',$start_ts);
+ }
+ }
+
+ $current_user_guid = elgg_get_logged_in_user_guid();
+
+ $access_status = elgg_get_ignore_access();
+
+ if ($page_type == 'owner') {
+ $container = get_entity($container_guid);
+ if (elgg_instanceof($container, 'user')) {
+ $auth_token = get_input('auth_token');
+ if ($auth_token) {
+ $secret_key = event_calendar_get_secret_key();
+ if ($secret_key && ($auth_token === sha1($container->username . $secret_key))) {
+ elgg_set_ignore_access(TRUE);
+ }
+ }
+ if ($container->canEdit()) {
+ $user_guid = $container_guid;
+ $group_guid = 0;
+ } else {
+ register_error('event_calendar:owner:permissions_error');
+ forward();
+ exit;
+ }
+ } else {
+ register_error('event_calendar:owner:permissions_error');
+ forward();
+ exit;
+ }
+ } else {
+ $user_guid = $current_user_guid;
+ $group_guid = $container_guid;
+ }
+
+ $offset = get_input('offset');
+ $limit = get_input('limit',15);
+
+ if ($event_calendar_spots_display == 'yes') {
+ if (!$filter) {
+ $filter = 'open';
+ }
+ } else {
+ if (!$filter) {
+ $filter = 'all';
+ }
+ }
+
+ if ($filter == 'all') {
+ $count = event_calendar_get_events_between($start_ts,$end_ts,true,$limit,$offset,$container_guid,$region);
+ $events = event_calendar_get_events_between($start_ts,$end_ts,false,$limit,$offset,$container_guid,$region);
+ } else if ($filter == 'open') {
+ $count = event_calendar_get_open_events_between($start_ts,$end_ts,true,$limit,$offset,$container_guid,$region);
+ $events = event_calendar_get_open_events_between($start_ts,$end_ts,false,$limit,$offset,$container_guid,$region);
+ } else if ($filter == 'friends') {
+ $count = event_calendar_get_events_for_friends_between($start_ts,$end_ts,true,$limit,$offset,$user_guid,$container_guid,$region);
+ $events = event_calendar_get_events_for_friends_between($start_ts,$end_ts,false,$limit,$offset,$user_guid,$container_guid,$region);
+ } else if ($filter == 'mine') {
+ $count = event_calendar_get_events_for_user_between2($start_ts,$end_ts,true,$limit,$offset,$user_guid,$container_guid,$region);
+ $events = event_calendar_get_events_for_user_between2($start_ts,$end_ts,false,$limit,$offset,$user_guid,$container_guid,$region);
+ }
+
+ $vars = array(
+ 'original_start_date' => $original_start_date,
+ 'start_date' => $start_date,
+ 'end_date' => $end_date,
+ 'first_date' => $event_calendar_first_date,
+ 'last_date' => $event_calendar_last_date,
+ 'mode' => $mode,
+ 'events' => $events,
+ 'count' => $count,
+ 'offset' => $offset,
+ 'limit' => $limit,
+ 'group_guid' => $group_guid,
+ 'filter' => $filter,
+ 'region' => $region,
+ 'listing_format' => $event_calendar_listing_format,
+ );
+
+ $content = elgg_view('event_calendar/show_events', $vars);
+ if ($page_type == 'group') {
+ $filter_override = '';
+ } else {
+ $filter_override = elgg_view('event_calendar/filter_menu',$vars);
+ }
+
+ if ($event_calendar_listing_format == 'paged') {
+ $title = elgg_echo('event_calendar:upcoming_events_title');
+ } else if ($event_calendar_listing_format == 'full') {
+ $title = elgg_echo('event_calendar:show_events_title');
+ } else if ($page_type == 'group') {
+ $title = elgg_echo('event_calendar:group'). ' ('.$subtitle.')';
+ } else {
+ $title = elgg_echo('event_calendar:listing_title:'.$filter). ' ('.$subtitle.')';
+ }
+
+ $params = array('title' => $title, 'content' => $content, 'filter_override'=>$filter_override);
+ elgg_set_ignore_access($access_status);
+ return $params;
+}
+
+function event_calendar_get_page_content_view($event_guid,$light_box = FALSE) {
+ // add personal calendar button and links
+ elgg_push_context('event_calendar:view');
+ $event = get_entity($event_guid);
+
+ if (!elgg_instanceof($event, 'object', 'event_calendar')) {
+ $content = elgg_echo('event_calendar:error_nosuchevent');
+ $title = elgg_echo('event_calendar:generic_error_title');
+ } else {
+ $title = htmlspecialchars($event->title);
+ $event_container = get_entity($event->container_guid);
+ if (elgg_instanceof($event_container, 'group')) {
+ if ($event_container->canEdit()) {
+ event_calendar_handle_menu($event_guid);
+ }
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'), 'event_calendar/group/'.$event->container_guid);
+ } else {
+ if ($event->canEdit()) {
+ event_calendar_handle_menu($event_guid);
+ }
+ elgg_push_breadcrumb(elgg_echo('event_calendar:show_events_title'),'event_calendar/list');
+ }
+
+ elgg_push_breadcrumb($event->title);
+ $content = elgg_view_entity($event, array('full_view' => true,'light_box'=>$light_box));
+ //check to see if comment are on - TODO - add this feature to all events
+ if ($event->comments_on != 'Off') {
+ $content .= elgg_view_comments($event);
+ }
+ }
+
+ if ($light_box) {
+ return '<div class="event-calendar-lightbox">'.elgg_view_title($title).$content.'</div>';
+ } else {
+ $params = array('title' => $title, 'content' => $content,'filter' => '');
+
+ $body = elgg_view_layout("content", $params);
+
+ return elgg_view_page($title,$body);
+ }
+}
+
+function event_calendar_get_page_content_display_users($event_guid) {
+ elgg_load_js('elgg.event_calendar');
+ $event = get_entity($event_guid);
+
+ if (!elgg_instanceof($event, 'object', 'event_calendar')) {
+ $content = elgg_echo('event_calendar:error_nosuchevent');
+ $title = elgg_echo('event_calendar:generic_error_title');
+ } else {
+ event_calendar_handle_menu($event_guid);
+ $title = elgg_echo('event_calendar:users_for_event_title',array(htmlspecialchars($event->title)));
+ $event_container = get_entity($event->container_guid);
+ if (elgg_instanceof($event_container, 'group')) {
+ elgg_push_context('groups');
+ elgg_set_page_owner_guid($event->container_guid);
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'), 'event_calendar/group/'.$event->container_guid);
+ } else {
+ elgg_push_breadcrumb(elgg_echo('event_calendar:show_events_title'),'event_calendar/list');
+ }
+ elgg_push_breadcrumb($event->title,$event->getURL());
+ elgg_push_breadcrumb(elgg_echo('event_calendar:users_for_event_breadcrumb'));
+ $limit = 12;
+ $offset = get_input('offset', 0);
+ $users = event_calendar_get_users_for_event($event_guid,$limit,$offset,false);
+ $options = array(
+ 'full_view' => FALSE,
+ 'list_type_toggle' => FALSE,
+ 'limit'=>$limit,
+ 'event_calendar_event'=>$event,
+ );
+ elgg_extend_view('user/default','event_calendar/calendar_toggle');
+ $content = elgg_view_entity_list($users,$options);
+ }
+ $params = array('title' => $title, 'content' => $content,'filter' => '');
+
+ $body = elgg_view_layout("content", $params);
+
+ return elgg_view_page($title,$body);
+}
+
+// display a list of all the members of the container of $event_guid and allowing
+// adding or removing them
+
+function event_calendar_get_page_content_manage_users($event_guid) {
+ // TODO: make this an optional feature, toggled off
+ elgg_load_js('elgg.event_calendar');
+ $event = get_entity($event_guid);
+ $limit = 10;
+ $offset = get_input('offset', 0);
+
+ $event_calendar_add_users = elgg_get_plugin_setting('add_users', 'event_calendar');
+ if ($event_calendar_add_users != 'yes') {
+ register_error(elgg_echo('event_calendar:feature_not_activated'));
+ forward();
+ exit;
+ }
+
+ if (!elgg_instanceof($event, 'object', 'event_calendar')) {
+ $content = elgg_echo('event_calendar:error_nosuchevent');
+ $title = elgg_echo('event_calendar:generic_error_title');
+ } else {
+ event_calendar_handle_menu($event_guid);
+ $title = elgg_echo('event_calendar:manage_users:title',array($event->title));
+ $event_container = get_entity($event->container_guid);
+ if ($event_container->canEdit()) {
+ if (elgg_instanceof($event_container, 'group')) {
+ elgg_push_context('groups');
+ elgg_set_page_owner_guid($event->container_guid);
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'), 'event_calendar/group/'.$event->container_guid);
+ elgg_register_menu_item('title', array(
+ 'name' => 'remove_from_group_members',
+ 'href' => elgg_add_action_tokens_to_url('action/event_calendar/remove_from_group_members?event_guid='.$event_guid),
+ 'text' => elgg_echo('event_calendar:remove_from_group_members:button'),
+ 'class' => 'elgg-button elgg-button-action',
+ ));
+ elgg_register_menu_item('title', array(
+ 'name' => 'add_to_group_members',
+ 'href' => elgg_add_action_tokens_to_url('action/event_calendar/add_to_group_members?event_guid='.$event_guid),
+ 'text' => elgg_echo('event_calendar:add_to_group_members:button'),
+ 'class' => 'elgg-button elgg-button-action',
+ ));
+ $users = $event_container->getMembers($limit,$offset);
+ $count = $event_container->getMembers($limit,$offset,TRUE);
+ elgg_extend_view('user/default','event_calendar/calendar_toggle');
+ $options = array(
+ 'full_view' => FALSE,
+ 'list_type_toggle' => FALSE,
+ 'limit'=>$limit,
+ 'event_calendar_event'=>$event,
+ 'pagination' => TRUE,
+ 'count'=>$count,
+ );
+ $content .= elgg_view_entity_list($users,$options,$offset,$limit);
+ } else {
+ elgg_push_breadcrumb(elgg_echo('event_calendar:show_events_title'),'event_calendar/list');
+ $content = '<p>'.elgg_echo('event_calendar:manage_users:description').'</p>';
+ $content .= elgg_view_form('event_calendar/manage_subscribers',array(),array('event'=>$event));
+ }
+ elgg_push_breadcrumb($event->title,$event->getURL());
+ elgg_push_breadcrumb(elgg_echo('event_calendar:manage_users:breadcrumb'));
+
+ } else {
+ $content = elgg_echo('event_calendar:manage_users:unauthorized');
+ }
+ }
+ $params = array('title' => $title, 'content' => $content,'filter' => '');
+
+ $body = elgg_view_layout("content", $params);
+
+ return elgg_view_page($title,$body);
+}
+
+function event_calendar_get_page_content_review_requests($event_guid) {
+ $event = get_entity($event_guid);
+
+ if (!elgg_instanceof($event, 'object', 'event_calendar')) {
+ $content = elgg_echo('event_calendar:error_nosuchevent');
+ $title = elgg_echo('event_calendar:generic_error_title');
+ } else {
+ event_calendar_handle_menu($event_guid);
+ $title = elgg_echo('event_calendar:review_requests_title',array(htmlspecialchars($event->title)));
+ $event_container = get_entity($event->container_guid);
+ if (elgg_instanceof($event_container, 'group')) {
+ elgg_push_context('groups');
+ elgg_set_page_owner_guid($event->container_guid);
+ elgg_push_breadcrumb(elgg_echo('event_calendar:group_breadcrumb'), 'event_calendar/group/'.$event->container_guid);
+ } else {
+ elgg_push_breadcrumb(elgg_echo('event_calendar:show_events_title'),'event_calendar/list');
+ }
+ elgg_push_breadcrumb($event->title,$event->getURL());
+ elgg_push_breadcrumb(elgg_echo('event_calendar:review_requests_menu_title'));
+
+ if ($event->canEdit()) {
+ $requests = elgg_get_entities_from_relationship(
+ array(
+ 'relationship' => 'event_calendar_request',
+ 'relationship_guid' => $event_guid,
+ 'inverse_relationship' => TRUE,
+ 'limit' => 0)
+ );
+ if ($requests) {
+ $content = elgg_view('event_calendar/review_requests',array('requests' => $requests, 'entity' => $event));
+ } else {
+ $content = elgg_echo('event_calendar:review_requests_request_none');
+ }
+ } else {
+ $content = elgg_echo('event_calendar:review_requests_error');
+ }
+ }
+ $params = array('title' => $title, 'content' => $content,'filter' => '');
+
+ $body = elgg_view_layout("content", $params);
+
+ return elgg_view_page($title,$body);
+}
+
+function event_calendar_handle_menu($event_guid) {
+ $event = get_entity($event_guid);
+ $event_calendar_personal_manage = elgg_get_plugin_setting('personal_manage', 'event_calendar');
+ if ((($event_calendar_personal_manage == 'by_event') && ($event->personal_manage == 'closed'))
+ || (($event_calendar_personal_manage == 'closed') || ($event_calendar_personal_manage == 'no'))) {
+ $url = "event_calendar/review_requests/$event_guid";
+ $item = new ElggMenuItem('event-calendar-0review_requests', elgg_echo('event_calendar:review_requests_menu_title'), $url);
+ $item->setSection('event_calendar');
+ elgg_register_menu_item('page', $item);
+ //elgg_register_menu_item(elgg_echo('event_calendar:review_requests_title'), $CONFIG->wwwroot . "pg/event_calendar/review_requests/".$event_id, '0eventcalendaradmin');
+ }
+ $event_calendar_add_users = elgg_get_plugin_setting('add_users', 'event_calendar');
+ if ($event_calendar_add_users == 'yes') {
+ $url = "event_calendar/manage_users/$event_guid";
+ $item = new ElggMenuItem('event-calendar-1manage_users', elgg_echo('event_calendar:manage_users:breadcrumb'), $url);
+ $item->setSection('event_calendar');
+ elgg_register_menu_item('page', $item);
+ }
+}
+function event_calendar_get_secret_key() {
+ $key_file_name = elgg_get_plugin_setting('ical_auth_file_name','event_calendar');
+ if ($key_file_name && file_exists($key_file_name)) {
+ $key = (require($key_file_name));
+
+ return $key['tokenSecretKey'];
+ } else {
+ return FALSE;
+ }
+}
+
+function getLastDayOfMonth($month,$year) {
+ return idate('d', mktime(0, 0, 0, ($month + 1), 0, $year));
+}
+
+function event_calendar_modify_full_calendar($event_guid,$day_delta,$minute_delta,$start_time,$resend,$minutes,$iso_date) {
+ $event = get_entity($event_guid);
+ if (elgg_instanceof($event,'object','event_calendar') && $event->canEdit()) {
+ if ($event->is_event_poll) {
+ if (elgg_is_active_plugin('event_poll')) {
+ elgg_load_library('elgg:event_poll');
+ return event_poll_change($event_guid,$day_delta,$minute_delta,$start_time,$resend,$minutes,$iso_date);
+ } else {
+ return FALSE;
+ }
+ } else {
+ $event->start_date = strtotime("$day_delta days",$event->start_date)+60*$minute_delta;
+ if ($event->end_date) {
+ $event->end_date = strtotime("$day_delta days",$event->end_date);
+ }
+ $times = elgg_get_plugin_setting('times','event_calendar');
+ //$inc = 24*60*60*$day_delta+60*$minute_delta;
+
+ //$event->real_end_time += $inc;
+ $event->real_end_time = strtotime("$day_delta days",$event->real_end_time)+60*$minute_delta;
+ if ($times != 'no') {
+ $event->start_time += $minute_delta;
+ if ($event->end_time) {
+ $event->end_time += $minute_delta;
+ }
+ }
+ $dow = array('monday','tuesday','wednesday','thursday','friday','saturday','sunday');
+ $week_repeats = array();
+ $weekday_delta = (($day_delta % 7) + 7) % 7; // Imagine delta is -12: ((-12 % 7) + 7 % 7) = +2 (thursdays are saturdays)
+ foreach ($dow as $i => $w) {
+ $v = 'event-calendar-repeating-'.$w.'-value';
+ $new_day = $dow[($i+$weekday_delta)%7];
+ $week_repeats[$new_day] = $event->$v;
+ }
+ foreach ($week_repeats as $w => $value) {
+ $v = 'event-calendar-repeating-'.$w.'-value';
+ $event->$v = $value;
+ }
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+function event_calendar_get_page_content_fullcalendar_events($start_date,$end_date,$filter='all',$container_guid=0,$region='-') {
+ //print "$start_date - $end_date";
+ $start_ts = strtotime($start_date);
+ $end_ts = strtotime($end_date);
+ if ($filter == 'all') {
+ $events = event_calendar_get_events_between($start_ts,$end_ts,false,0,0,$container_guid,$region);
+ } else if ($filter == 'open') {
+ $events = event_calendar_get_open_events_between($start_ts,$end_ts,false,0,0,$container_guid,$region);
+ } else if ($filter == 'friends') {
+ $user_guid = elgg_get_logged_in_user_guid();
+ $events = event_calendar_get_events_for_friends_between($start_ts,$end_ts,false,0,0,$user_guid,$container_guid,$region);
+ } else if ($filter == 'mine') {
+ $user_guid = elgg_get_logged_in_user_guid();
+ $events = event_calendar_get_events_for_user_between2($start_ts,$end_ts,false,0,0,$user_guid,$container_guid,$region);
+ }
+ $event_array = array();
+ $times_supported = elgg_get_plugin_setting('times','event_calendar') != 'no';
+ $polls_supported = elgg_is_active_plugin('event_poll');
+ foreach($events as $e) {
+ $event = $e['event'];
+ $event_data = $e['data'];
+ $c = count($event_data);
+ foreach($event_data as $ed) {
+ $event_item = array(
+ 'guid' => $event->guid,
+ 'title' => $event->title,
+ 'start' => date('c',$ed['start_time']),
+ 'end' => date('c',$ed['end_time']),
+ );
+ if (!$times_supported || ($event->schedule_type == 'all_day')) {
+ $event_item['allDay'] = TRUE;
+ } else {
+ $event_item['allDay'] = FALSE;
+ }
+
+ if ($polls_supported && isset($e['is_event_poll']) && $e['is_event_poll']) {
+ $event_item['className'] = 'event-poll-class';
+ $event_item['title'] .= ' '.elgg_echo('event_calendar:poll_suffix');
+ $event_item['is_event_poll'] = TRUE;
+ $event_item['url'] = elgg_get_site_url().'event_poll/vote/'.$event->guid;
+ $event_item['minutes'] = $ed['minutes'];
+ $event_item['iso_date'] = $ed['iso_date'];
+ } else {
+ $event_item['id'] = $event->guid;
+ $event_item['is_event_poll'] = FALSE;
+ $event_item['url'] = elgg_get_site_url().'event_calendar/view/'.$event->guid;
+ }
+
+ $event_array[] = $event_item;
+ }
+ }
+
+ $json_events_string = json_encode($event_array);
+ return $json_events_string;
+}
+
+// right now this does not return repeated events in sorted order, so repeated events only really work properly for the full calendar
+// TODO: find another solution for displaying repeated events
+
+function event_calendar_flatten_event_structure($events) {
+ $flattened = array();
+ $guids = array();
+ foreach($events as $e) {
+ $this_event = $e['event'];
+ $guid = $this_event->guid;
+ if (!in_array($guid,$guids)) {
+ $guids[] = $guid;
+ $flattened[] = $this_event;
+ }
+ }
+ return $flattened;
+}
+
+function event_calendar_queue_reminders() {
+ // game plan - get all events up to 60 days ahead
+ // with no reminder sent
+ // compute reminder period
+ // if <= current time, set reminder_queued flag and queue the
+ // notification message using the message_queue plugin
+ if (elgg_plugin_exists('message_queue')) {
+ $now = time();
+ // oops - this does not work for repeated events
+ // need extra stuff for that
+ /*$options = array(
+ 'type' => 'object',
+ 'subtype' => 'event_calendar',
+ 'metadata_name_value_pairs' => array(
+ array('name' => 'reminder_queued', 'value' => 'no'),
+ array('name' => 'send_reminder', 'value' => 1),
+ array('name' => 'start_date', 'value' => $now + 60*24*60*60, 'operand' => '>='),
+ ),
+ 'limit' => 0,
+ );
+ $events = elgg_get_entities_from_metadata($options);
+ */
+ $event_list = event_calendar_get_events_between($now,$now + 60*24*60*60,FALSE,0);
+
+ foreach($event_list as $es) {
+ $e = $es['event'];
+ if ($e->send_reminder) {
+ $reminder_period = 60*$e->reminder_interval*$e->reminder_number;
+ if ($e->repeats) {
+ // repeated events require more complex handing
+ foreach($es['data'] as $d) {
+ // if event falls in the reminder period
+ if ($d->start_time - $reminder_period >= $now) {
+ // and the reminder has not already been queued
+ if (!event_calendar_repeat_reminder_logged($e,$d->start_time)) {
+ // set the reminder queued flag
+ event_calendar_repeat_reminder_log($e,$d->start_time);
+ // queue the reminder for sending
+ event_calendar_queue_reminder($e);
+ }
+ break;
+ }
+ }
+ } else {
+ // if this is just a normal non-repeated event, then we just need to set a flag and queue the reminder
+ if (($e->reminder_queued != 'yes') && ($e->start_date - $now <= $reminder_period)) {
+ $e->reminder_queued = 'yes';
+ event_calendar_queue_reminder($e);
+ }
+ }
+ }
+ }
+ }
+}
+
+function event_calendar_repeat_reminder_log($e,$start) {
+ // this simple log just uses annotations on the event
+ // TODO - remove log entries for past events
+ create_annotation($e->guid, 'repeat_reminder_log_item', $start, '',0,ACCESS_PUBLIC);
+}
+
+function event_calendar_repeat_reminder_logged($e,$start) {
+ $options = array(
+ 'guid' => $e->guid,
+ 'annotation_name' => 'repeat_reminder_log_item',
+ 'annotation_value' => $start,
+ 'limit' => 1
+ );
+
+ if (elgg_get_annotations($options)) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+function event_calendar_queue_reminder($e) {
+ elgg_load_library('elgg:message_queue');
+ $subject = elgg_echo('event_calendar:reminder:subject',array($e->title));
+ $time_string = event_calendar_get_formatted_time($e);
+ $body = elgg_echo('event_calendar:reminder:body',array($e->title,$time_string,$e->getURL()));
+ $m = message_queue_create_message($subject,$body);
+ if ($m) {
+ $users = event_calendar_get_users_for_event($e->guid,0);
+ foreach($users as $u) {
+ message_queue_add($m->guid,$u->guid);
+ }
+ message_queue_set_for_sending($m->guid);
+ }
+}
+
+/*function event_calendar_create_bbb_conf($event) {
+ $bbb_security_salt = elgg_get_plugin_setting('bbb_security_salt','event_calendar');
+ $bbb_server_url = rtrim(elgg_get_plugin_setting('bbb_server_url','event_calendar'), '/') . '/';
+ if ($bbb_security_salt) {
+ $day_in_minutes = 60*24;
+ $now = time();
+ // fix duration bug
+ # $duration = (int)(($event->real_end_time-$event->start_date)/60)+$day_in_minutes;
+ $duration = (int)(($event->real_end_time-$now)/60)+$day_in_minutes;
+ $title = urlencode($event->title);
+ $params = "name=$title&meetingID={$event->guid}&duration=$duration";
+ $checksum = sha1('create'.$params.$bbb_security_salt);
+ $params .= "&checksum=$checksum";
+
+ // create curl resource
+ $ch = curl_init();
+
+ // set url
+ curl_setopt($ch, CURLOPT_URL, $bbb_server_url.'api/create?'.$params);
+
+ //return the transfer as a string
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+
+ // $output contains the output string
+ $output = curl_exec($ch);
+
+ // close curl resource to free up system resources
+ curl_close($ch);
+
+ #error_log("BBB create request:");
+ #error_log($bbb_server_url.'api/create?'.$params);
+
+ #error_log("BBB create response:");
+ #error_log($output);
+
+ $xml = new SimpleXMLElement($output);
+ if ($xml->returncode == 'SUCCESS') {
+ $event->bbb_attendee_password = (string) $xml->attendeePW;
+ $event->bbb_moderator_password = (string) $xml->moderatorPW;
+ } else {
+ register_error(elgg_echo('event_calendar:bbb_create_error',array($xml->message)));
+ }
+ } else {
+ register_error(elgg_echo('event_calendar:bbb_settings_error'));
+ }
+}*/
+
+// utility function for BBB api calls
+function event_calendar_bbb_api($api_function,$params=NULL) {
+
+ $bbb_security_salt = elgg_get_plugin_setting('bbb_security_salt','event_calendar');
+ $bbb_server_url = rtrim(elgg_get_plugin_setting('bbb_server_url','event_calendar'), '/') . '/';
+ if ($bbb_security_salt) {
+ if (isset($params) && is_array($params) && count($params) > 0) {
+ $query = array();
+ foreach($params as $k => $v) {
+ $query[] = $k.'='.rawurlencode($v);
+ }
+ $qs = implode('&',$query);
+ } else {
+ $qs = '';
+ }
+ $checksum = sha1($api_function.$qs.$bbb_security_salt);
+ if ($qs) {
+ $qs .= "&checksum=$checksum";
+ }
+
+ // create curl resource
+ $ch = curl_init();
+
+ // set url
+ curl_setopt($ch, CURLOPT_URL, $bbb_server_url.'api/'.$api_function.'?'.$qs);
+
+ //return the transfer as a string
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+
+ // $output contains the output string
+ $output = curl_exec($ch);
+
+ // close curl resource to free up system resources
+ curl_close($ch);
+
+ error_log("BBB api call: ".$api_function);
+ error_log(print_r($params,TRUE));
+ error_log("BBB response: \n".$output);
+ return $output;
+ } else {
+ return FALSE;
+ }
+}
+
+function event_calendar_create_bbb_conf($event) {
+ $day_in_minutes = 60*24;
+ $now = time();
+ // fix duration bug
+ # $duration = (int)(($event->real_end_time-$event->start_date)/60)+$day_in_minutes;
+ $duration = (int)(($event->real_end_time-$now)/60)+$day_in_minutes;
+ if ($duration > 0) {
+ $title = urlencode($event->title);
+ $output = event_calendar_bbb_api('create',array('meetingID'=>$event->guid,'name'=>$title,'duration'=>$duration));
+ if ($output) {
+ $xml = new SimpleXMLElement($output);
+ if ($xml->returncode == 'SUCCESS') {
+ $event->bbb_attendee_password = (string) $xml->attendeePW;
+ $event->bbb_moderator_password = (string) $xml->moderatorPW;
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ } else {
+ return FALSE;
+ }
+ } else {
+ return FALSE;
+ }
+}
+
+// checks to see if a BBB conference is actually running
+function event_calendar_is_conference_running($event) {
+ $output = event_calendar_bbb_api('isMeetingRunning',array('meetingID'=>$event->guid));
+ if (!$output) {
+ return FALSE;
+ } else {
+ $xml = new SimpleXMLElement($output);
+ if ($xml->returncode == 'SUCCESS' && $xml->running == 'true') {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ }
+}
+
+// checks to see if a BBB conference exists
+function event_calendar_conference_exists($event) {
+ $output = event_calendar_bbb_api('getMeetingInfo',array('meetingID'=>$event->guid,'password'=>$event->bbb_moderator_password));
+ if (!$output) {
+ return FALSE;
+ } else {
+ $xml = new SimpleXMLElement($output);
+ if ($xml->returncode == 'SUCCESS' && $xml->meetingID == $event->guid) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ }
+}
+
+// forwards to the join link
+// this function assumes that the conference is running
+function event_calendar_join_conference($event) {
+ forward(event_calendar_get_join_bbb_url($event));
+}
+
+function event_calendar_get_join_bbb_url($event) {
+ $bbb_security_salt = elgg_get_plugin_setting('bbb_security_salt','event_calendar');
+ $bbb_server_url = rtrim(elgg_get_plugin_setting('bbb_server_url','event_calendar'), '/') . '/';
+ $user = elgg_get_logged_in_user_entity();
+ $full_name = urlencode($user->name);
+ if ($event->canEdit()) {
+ $password = urlencode($event->bbb_moderator_password);
+ } else {
+ $password = urlencode($event->bbb_attendee_password);
+ }
+ $params = "fullName=$full_name&meetingID={$event->guid}&userID={$user->username}&password=$password";
+ $checksum = sha1('join'.$params.$bbb_security_salt);
+ $params .= "&checksum=$checksum";
+ $url = $bbb_server_url.'api/join?'.$params;
+ return $url;
+}
+
+// returns TRUE if the given user can add an event to the given calendar
+// if group_guid is 0, this is assumed to be the site calendar
+function event_calendar_can_add($group_guid=0,$user_guid=0) {
+ if (!$user_guid) {
+ if (elgg_is_logged_in()) {
+ $user_guid = elgg_get_logged_in_user_guid();
+ } else {
+ return FALSE;
+ }
+ }
+ if ($group_guid) {
+ if (!event_calendar_activated_for_group($group_guid)) {
+ return FALSE;
+ }
+ $group = get_entity($group_guid);
+ if (elgg_instanceof($group,'group')) {
+ $group_calendar = elgg_get_plugin_setting('group_calendar', 'event_calendar');
+ if (!$group_calendar || $group_calendar == 'members') {
+ return $group->canWriteToContainer($user_guid);
+ } else if ($group_calendar == 'admin') {
+ if ($group->canEdit($user_guid)) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ }
+ } else {
+ return FALSE;
+ }
+ } else {
+ $site_calendar = elgg_get_plugin_setting('site_calendar', 'event_calendar');
+ if (!$site_calendar || $site_calendar == 'admin') {
+ // only admins can post directly to the site-wide calendar
+ return elgg_is_admin_user($user_guid);
+ } else if ($site_calendar == 'loggedin') {
+ // any logged-in user can post to the site calendar
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}