/**
* Parses through an array of lines (of an ICAL file), creates events and inserts them as they are found.
* @since 1.1.0
*
* @param array - $lines, array of lines of an ICAL file
*/
function import_events($lines)
{
global $EO_Errors;
$state = "NONE";
$error = false;
$error_count = 0;
$event_count = 0;
$event_array = array();
$event_array['event'] = array();
$event_array['event_post'] = array();
$event_array['event_meta'] = array();
//Get Blog timezone, set Calendar timezone to this by default
$blog_tz = eo_get_blog_timezone();
$cal_tz = $blog_tz;
$output = "";
//Record number of venues / categories created
global $eventorganiser_venues_created, $eventorganiser_cats_created;
$eventorganiser_venues_created = 0;
$eventorganiser_cats_created = 0;
//Read through each line
for ($n = 0; $n < count($lines) && !$error; $n++) {
$buff = trim($lines[$n]);
if (!empty($buff)) {
$line = explode(':', $buff, 2);
//On the right side of the line we may have DTSTART;TZID= or DTSTART;VALUE=
$modifiers = explode(';', $line[0]);
$property = array_shift($modifiers);
$value = isset($line[1]) ? trim($line[1]) : '';
//If we are in EVENT state
if ($state == "VEVENT") {
//If END:VEVENT, insert event into database
if ($property == 'END' && $value == 'VEVENT') {
$state = "VCALENDAR";
$event_array['event']['YmdFormated'] = true;
$event_array['event']['dateObjects'] = true;
//Insert new post from objects
$post_id = EO_Event::insertNewEvent($event_array['event_post'], $event_array['event']);
if (!$post_id) {
$error_count++;
}
} else {
//Otherwise, parse event property
try {
$event_array = $this->parse_Event_Property($event_array, $property, $value, $modifiers, $blog_tz, $cal_tz);
} catch (Exception $e) {
$error_count++;
$preamble = sprintf(__('Line: %1$d', 'eventorganiser'), $n + 1);
$EO_Errors->add('eo_error', $preamble . ' ' . $e->getMessage());
//Abort parsing event
$state = "VCALENDAR";
}
}
// If we are in CALENDAR state
} elseif ($state == "VCALENDAR") {
//Begin event
if ($property == 'BEGIN' && $value == 'VEVENT') {
$state = "VEVENT";
$event_count++;
$event_array['event'] = array();
$event_array['event_post'] = array();
$event_array['event_meta'] = array();
} elseif ($property == 'END' && $value == 'VCALENDAR') {
$state = "NONE";
} elseif ($property == 'X-WR-TIMEZONE') {
try {
$cal_tz = self::parse_TZID($value);
} catch (Exception $e) {
$preamble = sprintf(__('Line: %1$d', 'eventorganiser'), $n + 1);
$EO_Errors->add('eo_error', $preamble . ' ' . $e->getMessage());
break;
}
}
} elseif ($state == "NONE" && $property == 'BEGIN' && $value == 'VCALENDAR') {
$state = "VCALENDAR";
}
}
//If line is not empty
}
//For each line
//Display message
if ($event_count == 0) {
$EO_Errors->add('eo_error', __("No events were imported.", 'eventorganiser'));
} elseif ($error_count > 0) {
$EO_Errors->add('eo_error', sprintf(__('There was an error with %1$d of %2$d events in the ical file'), $error_count, $event_count));
} else {
if ($event_count == 1) {
$message = __("1 event was successfully imported", 'eventorganiser') . ".";
} else {
$message = sprintf(__("%d events were successfully imported", 'eventorganiser'), $event_count) . ".";
}
if ($eventorganiser_venues_created == 1) {
$message .= " " . __("1 venue was created", 'eventorganiser') . ".";
} elseif ($eventorganiser_venues_created > 1) {
$message .= " " . sprintf(__("%d venues were created", 'eventorganiser'), $eventorganiser_venues_created) . ".";
}
if ($eventorganiser_cats_created == 1) {
$message .= " " . __("1 category was created", 'eventorganiser') . ".";
} elseif ($eventorganiser_cats_created > 1) {
$message .= " " . sprintf(__("%d categories were created", 'eventorganiser'), $eventorganiser_cats_created) . ".";
}
$EO_Errors->add('eo_notice', $message);
}
return true;
}
/**
* Saves the event data posted from the event metabox.
* Hooked to the 'save_post' action
*
* @since 1.0.0
*
* @param int $post_id the event post ID
* @return int $post_id the event post ID
*/
function eventorganiser_details_save($post_id)
{
global $wpdb, $eventorganiser_events_table;
//make sure data came from our meta box
if (!isset($_POST['_eononce']) || !wp_verify_nonce($_POST['_eononce'], 'eventorganiser_event_update_' . $post_id)) {
return;
}
// verify this is not an auto save routine.
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return $post_id;
}
//authentication checks
if (!current_user_can('edit_event', $post_id)) {
return $post_id;
}
$raw_data = isset($_POST['eo_input']) ? $_POST['eo_input'] : array();
//Update venue
$raw_data['Venue'] = !empty($raw_data['event-venue']) ? intval($raw_data['event-venue']) : null;
$r = wp_set_post_terms($post_id, array($raw_data['Venue']), 'event-venue', false);
//TODO Reoccurrence details wil be sotred as post meta - leaving just dates/occurrence/IDs
//Check if there is existing event data.
$event = new EO_Event($post_id);
/*
* If event data exists, we may have to delete the occurrances and replace them with new ones.
* First we check if this is necessary. If not, we just update the data and exit.
*/
$delete_existing = false;
if ($event->exists) {
if (isset($raw_data['schedule']) && $raw_data['schedule'] == 'once' && $event->is_schedule('once')) {
//We are updating a single event (and it is still a one time event), can just update all data easily
$event->create($raw_data);
$event_input = array('post_id' => $post_id, 'StartDate' => $event->start->format('Y-m-d'), 'StartTime' => $event->start->format('H:i:s'), 'EndDate' => $event->end->format('Y-m-d'), 'FinishTime' => $event->end->format('H:i:s'), 'Venue' => $event->venue, 'event_schedule' => $event->schedule, 'event_schedule_meta' => $event->meta, 'event_frequency' => $event->frequency, 'event_occurrence' => 0, 'event_allday' => $event->allday, 'reoccurrence_start' => $event->schedule_start->format('Y-m-d'), 'reoccurrence_end' => $event->schedule_end->format('Y-m-d'));
$upd = $wpdb->update($eventorganiser_events_table, $event_input, array('post_id' => $post_id));
return;
} elseif (!$event->is_schedule('once')) {
//Event was reoccurring
//If 'edit reocurrences' is checked we need to replace reoccurrences
if (isset($raw_data['AlterRe']) && $raw_data['AlterRe'] == 'yes') {
$delete_existing = true;
}
} else {
//Was a one-time event, is now a reoccurring event - delete event.
$delete_existing = true;
}
}
//Populate event data from raw input and inserts (after deleting existing occurrences, if necessary)
$event->insertEvent($raw_data, $post_id, $delete_existing);
do_action('eventorganiser_save_event', $post_id);
return $post_id;
}
protected function setupSchedule()
{
$errors = get_option('eo_notice');
$workaround = false;
$occurrence = array("first", "second", "third", "fourth", "last");
$start_days = array();
switch ($this->schedule) {
case 'daily':
$interval = "+" . $this->frequency . "day";
$start_days[] = clone $this->start;
break;
case 'weekly':
$this->meta = array_filter($this->meta);
if (!empty($this->meta)) {
array_map('esc_attr', $this->meta);
foreach ($this->meta as $day) {
$start_day = clone $this->start;
$start_day->modify(self::$ical2day[$day]);
$start_days[] = $start_day;
}
} else {
$start_days[] = clone $this->start;
}
$this->meta = serialize($this->meta);
$interval = "+" . $this->frequency . "week";
break;
case 'monthly':
$start_days[] = clone $this->start;
$rule_value = explode('=', $this->meta, 2);
$rule = $rule_value[0];
$values = explode(',', $rule_value[1]);
//Should only be one value, but may support more in future
$values = array_filter($values);
if ($rule == 'BYMONTHDAY') {
$day = $start_days[0]->format('d');
$interval = "+" . $this->frequency . "month";
if ($day >= '29') {
$workaround = 'short months';
}
//This case deals with 29/30/31 of month
$this->meta = 'BYMONTHDAY=' . $day;
} else {
$day = $start_days[0]->format('l');
$day_num = intval($start_days[0]->format('w'));
$date = intval($start_days[0]->format('d'));
$n = floor(($date - 1) / 7);
if ($n == 4) {
$n = -2;
}
if (empty($values)) {
$values = array($n + 1 . self::$daysofweek[$day_num]['ical']);
}
$this->meta = 'BYDAY=' . $values[0];
preg_match('/^(-?\\d{1,2})([a-zA-Z]{2})/', $values[0], $matches);
$n = intval($matches[1]) - 1;
if ($n == -2) {
$n = 4;
}
$day = self::$ical2day[$matches[2]];
if (!isset($occurrence[$n]) || !isset(self::$ical2day[$matches[2]])) {
$errors[$this->post_id][] = "Event dates were not saved.";
$errors[$this->post_id][] = "Invalid reoccurrence schedule";
update_option('eo_notice', $errors);
return false;
}
$interval = $occurrence[$n] . ' ' . $day . ' of +' . $this->frequency . ' month';
//Work around for PHP <5.3
if (!function_exists('date_diff')) {
$workaround = 'php5.2';
}
}
break;
case 'yearly':
$start_days[] = clone $this->start;
if ($start_days[0]->format('d-m') == '29-02') {
$workaround = 'leap year';
}
$interval = "+" . $this->frequency . "year";
break;
}
//Remove duplicates
$start_days = EO_Event::removeDuplicate($start_days);
$schedule_data = array('days' => $start_days, 'interval' => $interval, 'workaround' => $workaround);
return $schedule_data;
}
function display()
{
//Get the time 'now' according to blog's timezone
$now = new DateTIme(null, EO_Event::get_timezone());
$venues = get_terms('event-venue', array('hide_empty' => false));
?>
<div class="wrap">
<div id='icon-edit' class='icon32'><br/>
</div>
<h2><?php
_e('Events Calendar', 'eventorganiser');
?>
</h2>
<div id="calendar-view">
<span id='loading' style='display:none'><?php
_e('Loading…');
?>
</span>
<a href="" class="view-button" id="agendaDay"><?php
_e('Day', 'eventorganiser');
?>
</a>
<a href="" class="view-button" id="agendaWeek"><?php
_e('Week', 'eventorganiser');
?>
</a>
<a href="" class="view-button active" id="month"><?php
_e('Month', 'eventorganiser');
?>
</a>
</div>
<div id='eo_admin_calendar'></div>
<span><?php
_e('Current date/time', 'eventorganiser');
?>
: <?php
echo $now->format('Y-m-d G:i:s \\G\\M\\TP');
?>
</span>
<div id='events-meta' class="thickbox"></div>
<?php
if (current_user_can('publish_events') || current_user_can('edit_events')) {
?>
<div id='eo_event_create_cal' style="display:none;" class="thickbox">
<form name="eventorganiser_calendar" method="post" class="eo_cal">
<table>
<tr>
<th><?php
_e('When', 'eventorganiser');
?>
: </th>
<td id="date"></td>
</tr>
<tr>
<th><?php
_e('Event Title', 'eventorganiser');
?>
: </th>
<td><input name="eo_event[event_title]" class="eo-event-title ui-autocomplete-input ui-widget-content ui-corner-all" ></td>
</tr>
<tr>
<th><?php
_e('Where', 'eventorganiser');
?>
: </th>
<td><!-- If javascript is disabed, a simple drop down menu box is displayed to choose venue.
Otherwise, the user is able to search the venues by typing in the input box.-->
<select size="30" id="venue_select" name="eo_event[venue_id]">
<option>Select a venue </option>
<?php
foreach ($venues as $venue) {
?>
<option value="<?php
echo intval($venue->term_id);
?>
"><?php
echo esc_html($venue->name);
?>
</option>
<?php
}
?>
</select>
</td>
</tr>
<tr>
<th></th>
<td><textarea rows="4" name="eo_event[event_content]"></textarea></td>
</tr>
</table>
<input type="hidden" name="eo_event[StartDate]">
<input type="hidden" name="eo_event[EndDate]">
<input type="hidden" name="eo_event[StartTime]">
<input type="hidden" name="eo_event[FinishTime]">
<input type="hidden" name="eo_event[allday]">
<?php
wp_nonce_field('eventorganiser_calendar_save');
?>
<?php
if (current_user_can('publish_events')) {
?>
<p class="submit">
<input type="reset" class="button" id="reset" value="Cancel">
<input type="submit" class="button button-highlighted" tabindex="4" value="<?php
_e('Save Draft', 'eventorganiser');
?>
"" id="event-draft" name="save">
<span class="eo_alignright">
<input type="submit" accesskey="p" tabindex="5" value="<?php
_e('Publish Event', 'eventorganiser');
?>
" class="button-primary" id="publish" name="publish">
</span>
<br class="clear">
</p>
<?php
} elseif (current_user_can('edit_events')) {
?>
<p class="submit">
<input type="reset" class="button" id="reset" value="<?php
_e('Cancel', 'eventorganiser');
?>
">
<input type="submit" accesskey="p" tabindex="5" value="<?php
_e('Submit for Review', 'eventorganiser');
?>
" class="eo_alignright button-primary" id="submit-for-review" name="publish">
<br class="clear">
</p>
<?php
}
?>
</form>
</div>
<?php
}
?>
</div><!-- .wrap -->
<?php
}