Super-basic export to iCal functionality, still very raw. But works!
authordefacer <defacer>
Fri, 13 Jan 2006 15:34:30 +0000 (15:34 +0000)
committerdefacer <defacer>
Fri, 13 Jan 2006 15:34:30 +0000 (15:34 +0000)
calendar/export.php [new file with mode: 0644]
calendar/export_basic.html [new file with mode: 0644]
calendar/export_execute.php [new file with mode: 0644]

diff --git a/calendar/export.php b/calendar/export.php
new file mode 100644 (file)
index 0000000..fb636f3
--- /dev/null
@@ -0,0 +1,111 @@
+<?php // $Id$
+
+require_once('../config.php');
+require_once($CFG->dirroot.'/course/lib.php');
+require_once($CFG->dirroot.'/calendar/lib.php');
+//require_once($CFG->libdir.'/bennu/bennu.inc.php');
+
+$action = optional_param('action', '', PARAM_ALPHA);
+$course = optional_param('course', 0);
+$day  = optional_param('cal_d', 0, PARAM_INT);
+$mon  = optional_param('cal_m', 0, PARAM_INT);
+$yr   = optional_param('cal_y', 0, PARAM_INT);
+
+if(!$site = get_site()) {
+    redirect($CFG->wwwroot.'/'.$CFG->admin.'/index.php');
+}
+
+$pagetitle = get_string('export', 'calendar');
+$now = usergetdate(time());
+$nav = calendar_get_link_tag(get_string('calendar', 'calendar'), CALENDAR_URL.'view.php?view=upcoming&amp;', $now['mday'], $now['mon'], $now['year']).' -> '.$pagetitle;
+
+if(!checkdate($mon, $day, $yr)) {
+    $day = intval($now['mday']);
+    $mon = intval($now['mon']);
+    $yr = intval($now['year']);
+}
+$time = make_timestamp($yr, $mon, $day);
+
+$SESSION->cal_courses_shown = calendar_get_default_courses(true);
+calendar_set_referring_course(0);
+
+if (empty($USER->id) or isguest()) {
+    $defaultcourses = calendar_get_default_courses();
+    calendar_set_filters($courses, $groups, $users, $defaultcourses, $defaultcourses);
+
+} else {
+    calendar_set_filters($courses, $groups, $users);
+}
+
+$strcalendar = get_string('calendar', 'calendar');
+$prefsbutton = calendar_preferences_button();
+
+// Print title and header
+print_header("$site->shortname: $strcalendar: $pagetitle", $strcalendar, $nav,
+             '', '', true, $prefsbutton, user_login_string($site));
+
+echo calendar_overlib_html();
+
+// Layout the whole page as three big columns.
+echo '<table id="calendar">';
+echo '<tr>';
+
+// START: Main column
+
+echo '<td class="maincalendar">';
+
+
+switch($action) {
+    case 'advanced':
+    break;
+    case '':
+    default:
+        // Let's populate some vars to let "common tasks" be somewhat smart...
+        // If today it's weekend, give the "next week" option
+        $allownextweek  = CALENDAR_WEEKEND & (1 << $now['wday']);
+        // If it's the last week of the month, give the "next month" option
+        $allownextmonth = calendar_days_in_month($now['mon'], $now['year']) - $now['mday'] < 7;
+        // If today it's weekend but tomorrow it isn't, do NOT give the "this week" option
+        $allowthisweek  = !((CALENDAR_WEEKEND & (1 << $now['wday'])) && !(CALENDAR_WEEKEND & (1 << (($now['wday'] + 1) % 7))));
+        print_heading(get_string('export', 'calendar'));
+        include('export_basic.html');
+}
+
+
+
+echo '</td>';
+
+// END: Main column
+
+// START: Last column (3-month display)
+echo '<td class="sidecalendar">';
+echo '<div class="header">'.get_string('monthlyview', 'calendar').'</div>';
+
+list($prevmon, $prevyr) = calendar_sub_month($mon, $yr);
+list($nextmon, $nextyr) = calendar_add_month($mon, $yr);
+$getvars = 'cal_d='.$day.'&amp;cal_m='.$mon.'&amp;cal_y='.$yr; // For filtering
+
+echo '<div class="filters">';
+echo calendar_filter_controls('export', $getvars);
+echo '</div>';
+
+echo '<div class="minicalendarblock">';
+echo calendar_top_controls('display', array('m' => $prevmon, 'y' => $prevyr));
+echo calendar_get_mini($courses, $groups, $users, $prevmon, $prevyr);
+echo '</div><div class="minicalendarblock">';
+echo calendar_top_controls('display', array('m' => $mon, 'y' => $yr));
+echo calendar_get_mini($courses, $groups, $users, $mon, $yr);
+echo '</div><div class="minicalendarblock">';
+echo calendar_top_controls('display', array('m' => $nextmon, 'y' => $nextyr));
+echo calendar_get_mini($courses, $groups, $users, $nextmon, $nextyr);
+echo '</div>';
+
+echo '</td>';
+
+echo '</tr></table>';
+
+print_footer();
+
+
+
+?>
diff --git a/calendar/export_basic.html b/calendar/export_basic.html
new file mode 100644 (file)
index 0000000..e05ac05
--- /dev/null
@@ -0,0 +1,44 @@
+<fieldset>
+<legend><?php print_string('commontasks', 'calendar'); ?></legend>
+<form method="get" action="export_execute.php">
+<?php print_string('iwanttoexport', 'calendar'); ?>:
+<div class="indent">
+    <input type="radio" name="preset_what" id="pw_all" value="all" /><label for="pw_all"><?php print_string('eventsall', 'calendar'); ?></label><br />
+    <input type="radio" name="preset_what" id="pw_course" value="courses" /><label for="pw_course"><?php print_string('eventsrelatedtocourses', 'calendar'); ?></label><br />
+</div>
+<?php print_string('for', 'calendar'); ?>:
+<div class="indent">
+    <?php if($allowthisweek) { ?>
+    <input type="radio" name="preset_time" id="pt_wknow" value="weeknow" /><label for="pt_wknow"><?php print_string('weekthis', 'calendar'); ?></label><br />
+    <?php } ?>
+    <?php if($allownextweek) { ?>
+    <input type="radio" name="preset_time" id="pt_wknext" value="weeknext" /><label for="pt_wknext"><?php print_string('weeknext', 'calendar'); ?></label><br />
+    <?php } ?>
+    <input type="radio" name="preset_time" id="pt_monnow" value="monthnow" /><label for="pt_monnow"><?php print_string('monththis', 'calendar'); ?></label><br />
+    <?php if($allownextmonth) { ?>
+    <input type="radio" name="preset_time" id="pt_monnext" value="monthnext" /><label for="pt_monnext"><?php print_string('monthnext', 'calendar'); ?></label><br />
+    <?php } ?>
+</div>
+<div style="text-align: right;">
+<input type="hidden" name="cal_d" value="" />
+<input type="hidden" name="cal_m" value="" />
+<input type="hidden" name="cal_y" value="" />
+<input type="hidden" name="action" value="export" />
+<input type="submit" value="<?php print_string('exportbutton', 'calendar'); ?>" />
+</div>
+</form>
+</fieldset>
+<br />
+<fieldset>
+<legend><?php print_string('advancedoptions', 'calendar'); ?></legend>
+<form method="get" action="export.php">
+<?php print_string('advancedoptionsexplain', 'calendar'); ?>
+<div style="text-align: right;">
+<input type="hidden" name="cal_d" value="" />
+<input type="hidden" name="cal_m" value="" />
+<input type="hidden" name="cal_y" value="" />
+<input type="hidden" name="action" value="advanced" />
+<input type="submit" value="<?php print_string('advancedoptions', 'calendar'); ?>" />
+</div>
+</form>
+</fieldset>
\ No newline at end of file
diff --git a/calendar/export_execute.php b/calendar/export_execute.php
new file mode 100644 (file)
index 0000000..0419727
--- /dev/null
@@ -0,0 +1,146 @@
+<?php // $Id$
+
+require_once('../config.php');
+//require_once($CFG->dirroot.'/course/lib.php');
+require_once($CFG->dirroot.'/calendar/lib.php');
+require_once($CFG->libdir.'/bennu/bennu.inc.php');
+
+require_login();
+if(isguest()) {
+    redirect($CFG->wwwroot.'/calendar/view.php');
+}
+
+$action = optional_param('action', '', PARAM_ALPHA);
+$course = optional_param('course', 0);
+$day  = optional_param('cal_d', 0, PARAM_INT);
+$mon  = optional_param('cal_m', 0, PARAM_INT);
+$yr   = optional_param('cal_y', 0, PARAM_INT);
+
+$what = optional_param('preset_what', '', PARAM_ALPHA);
+$time = optional_param('preset_time', '', PARAM_ALPHA);
+
+$now = usergetdate(time());
+// Let's see if we have sufficient and correct data
+$allowed_what = array('all', 'courses');
+$allowed_time = array('weeknow', 'weeknext', 'monthnow', 'monthnext');
+
+if(!empty($what) && !empty($time)) {
+    if(in_array($what, $allowed_what) && in_array($time, $allowed_time)) {
+        $courses = array() + $USER->student + $USER->teacher;
+        $courses = array_keys($courses);
+        switch($time) {
+            case 'weeknow':
+                $startweekday  = get_user_preferences('calendar_startwday', CALENDAR_STARTING_WEEKDAY);
+                $startmonthday = find_day_in_month($now['mday'] - 6, $startweekday, $now['mon'], $now['year']);
+                $startmonth    = $now['mon'];
+                $startyear     = $now['year'];
+                if($startmonthday > calendar_days_in_month($startmonth, $startyear)) {
+                    list($startmonth, $startyear) = calendar_add_month($startmonth, $startyear);
+                    $startmonthday = find_day_in_month(1, $startweekday, $startmonth, $startyear);
+                }
+                $timestart = make_timestamp($startyear, $startmonth, $startmonthday);
+                $endmonthday = $startmonthday + 7;
+                $endmonth    = $startmonth;
+                $endyear     = $startyear;
+                if($endmonthday > calendar_days_in_month($endmonth, $endyear)) {
+                    list($endmonth, $endyear) = calendar_add_month($endmonth, $endyear);
+                    $endmonthday = find_day_in_month(1, $startweekday, $endmonth, $endyear);
+                }
+                $timeend = make_timestamp($endyear, $endmonth, $endmonthday) - 1;
+            break;
+            case 'weeknext':
+                $startweekday  = get_user_preferences('calendar_startwday', CALENDAR_STARTING_WEEKDAY);
+                $startmonthday = find_day_in_month($now['mday'] + 1, $startweekday, $now['mon'], $now['year']);
+                $startmonth    = $now['mon'];
+                $startyear     = $now['year'];
+                if($startmonthday > calendar_days_in_month($startmonth, $startyear)) {
+                    list($startmonth, $startyear) = calendar_add_month($startmonth, $startyear);
+                    $startmonthday = find_day_in_month(1, $startweekday, $startmonth, $startyear);
+                }
+                $timestart = make_timestamp($startyear, $startmonth, $startmonthday);
+                $endmonthday = $startmonthday + 7;
+                $endmonth    = $startmonth;
+                $endyear     = $startyear;
+                if($endmonthday > calendar_days_in_month($endmonth, $endyear)) {
+                    list($endmonth, $endyear) = calendar_add_month($endmonth, $endyear);
+                    $endmonthday = find_day_in_month(1, $startweekday, $endmonth, $endyear);
+                }
+                $timeend = make_timestamp($endyear, $endmonth, $endmonthday) - 1;
+            break;
+            case 'monthnow':
+                $timestart = make_timestamp($now['year'], $now['mon'], 1);
+                $timeend   = make_timestamp($now['year'], $now['mon'], calendar_days_in_month($now['mon'], $now['year']), 23, 59, 59);
+            break;
+            case 'monthnext':
+                list($nextmonth, $nextyear) = calendar_add_month($now['mon'], $now['year']);
+                $timestart = make_timestamp($nextyear, $nextmonth, 1);
+                $timeend   = make_timestamp($nextyear, $nextmonth, calendar_days_in_month($nextmonth, $nextyear), 23, 59, 59);
+            break;
+        }
+
+        /*        
+        print_object($now);
+        print_object('start: '. $timestart);
+        print_object('end: '. $timeend);
+        */
+    }
+    else {
+        // Parameters given but incorrect, redirect back to export page
+        redirect($CFG->wwwroot.'/calendar/export.php');
+        echo "aa";
+        die();
+    }
+}
+
+$whereclause = calendar_sql_where($timestart, $timeend, false, false, $courses, false);
+if($whereclause === false) {
+    $events = array();
+}
+else {
+    $events = get_records_select('event', $whereclause, 'timestart');
+}
+
+if(empty($events)) {
+    // TODO
+    die('no events');
+}
+
+$ical = new iCalendar;
+$ical->add_property('method', 'PUBLISH');
+foreach($events as $event) {
+    $ev = new iCalendar_event;
+    $ev->add_property('summary', $event->name);
+    $ev->add_property('description', $event->description);
+    $ev->add_property('class', 'public'); // PUBLIC / PRIVATE / CONFIDENTIAL
+    $ev->add_property('last-modified', 0); // lastmodified
+    $ev->add_property('dtstamp', Bennu::timestamp_to_datetime()); // now
+    $ev->add_property('dtstart', Bennu::timestamp_to_datetime($event->timestart)); // when event starts
+    $ev->add_property('duration', 0); // when event starts
+    $ical->add_component($ev);
+}
+
+$serialized = $ical->serialize();
+if(empty($serialized)) {
+    // TODO
+    die('bad serialization');
+}
+
+//IE compatibiltiy HACK!
+if(ini_get('zlib.output_compression')) {
+    ini_set('zlib.output_compression', 'Off');
+}
+
+$filename = 'icalexport.ics';
+
+header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
+header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
+header('Expires: '. gmdate('D, d M Y H:i:s', 0) .'GMT');
+header('Pragma: no-cache');
+header('Accept-Ranges: none'); // Comment out if PDFs do not work...
+header('Content-disposition: attachment; filename='.$filename);
+header('Content-length: '.strlen($serialized));
+header('Content-type: text/plain');
+
+echo $serialized;
+
+?>