calendar merge initial commit

3 files changed, 803 insertions, 5 deletions

diff --git a/Zotlabs/Module/Cdav.php b/Zotlabs/Module/Cdav.php
index 5dd233d28..da013e8c8 100644
--- a/Zotlabs/Module/Cdav.php
+++ b/Zotlabs/Module/Cdav.php
@@ -906,6 +906,19 @@ class Cdav extends Controller {
 
 			$sources = '';
 
+			if(get_pconfig(local_channel(), 'cdav_calendar', 'channel_calendar')) {
+				$sources .= '{
+					id: \'channel_calendar\',
+					url: \'/channel_calendar/json/\',
+					color: \'#3a87ad\'
+				}, ';
+			}
+
+			$channel_calendars[] = [
+				'displayname' => $channel['channel_name'],
+				'id' => 'channel_calendar'
+			];
+
 			foreach($calendars as $calendar) {
 				$editable = (($calendar['share-access'] == 2) ? 'false' : 'true');  // false/true must be string since we're passing it to javascript
 				$color = (($calendar['{http://apple.com/ns/ical/}calendar-color']) ? $calendar['{http://apple.com/ns/ical/}calendar-color'] : '#3a87ad');
@@ -939,6 +952,17 @@ class Cdav extends Controller {
 			$description = ['description', t('Description')];
 			$location = ['location', t('Location')];
 
+			require_once('include/acl_selectors.php');
+	
+			$accesslist = new \Zotlabs\Access\AccessList($channel);
+			$perm_defaults = $accesslist->get();
+
+			//$acl = (($orig_event['event_xchan']) ? '' : populate_acl(((x($orig_event)) ? $orig_event : $perm_defaults), false, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_stream')));
+			$acl = populate_acl($perm_defaults, false, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_stream'));
+
+			//$permissions = ((x($orig_event)) ? $orig_event : $perm_defaults);
+			$permissions = $perm_defaults;
+
 			$o .= replace_macros(get_markup_template('cdav_calendar.tpl'), [
 				'$sources' => $sources,
 				'$color' => $color,
@@ -955,6 +979,7 @@ class Cdav extends Controller {
 				'$list_week' => t('List week'),
 				'$list_day' => t('List day'),
 				'$title' => $title,
+				'$channel_calendars' => $channel_calendars,
 				'$writable_calendars' => $writable_calendars,
 				'$dtstart' => $dtstart,
 				'$dtend' => $dtend,
@@ -966,7 +991,15 @@ class Cdav extends Controller {
 				'$delete' => t('Delete'),
 				'$delete_all' => t('Delete all'),
 				'$cancel' => t('Cancel'),
-				'$recurrence_warning' => t('Sorry! Editing of recurrent events is not yet implemented.')
+				'$recurrence_warning' => t('Sorry! Editing of recurrent events is not yet implemented.'),
+
+				'$channel_hash' => $channel['channel_hash'],
+				'$acl' => $acl,
+				'$lockstate' => (($accesslist->is_private()) ? 'lock' : 'unlock'),
+				'$allow_cid' => acl2json($permissions['allow_cid']),
+				'$allow_gid' => acl2json($permissions['allow_gid']),
+				'$deny_cid' => acl2json($permissions['deny_cid']),
+				'$deny_gid' => acl2json($permissions['deny_gid'])
 			]);
 
 			return $o;
@@ -1053,7 +1086,7 @@ class Cdav extends Controller {
 		}
 
 		//enable/disable calendars
-		if(argc() == 5 && argv(1) === 'calendar' && argv(2) === 'switch'  && intval(argv(3)) && (argv(4) == 1 || argv(4) == 0)) {
+		if(argc() == 5 && argv(1) === 'calendar' && argv(2) === 'switch'  && argv(3) && (argv(4) == 1 || argv(4) == 0)) {
 			$id = argv(3);
 
 			if(! cdav_perms($id,$calendars))
diff --git a/Zotlabs/Module/Channel_calendar.php b/Zotlabs/Module/Channel_calendar.php
new file mode 100644
index 000000000..70758e920
--- /dev/null
+++ b/Zotlabs/Module/Channel_calendar.php
@@ -0,0 +1,753 @@
+<?php
+namespace Zotlabs\Module;
+
+require_once('include/conversation.php');
+require_once('include/bbcode.php');
+require_once('include/datetime.php');
+require_once('include/event.php');
+require_once('include/items.php');
+require_once('include/html2plain.php');
+
+class Channel_calendar extends \Zotlabs\Web\Controller {
+
+	function post() {
+	
+		logger('post: ' . print_r($_REQUEST,true), LOGGER_DATA);
+	
+		if(! local_channel())
+			return;
+	
+		if(($_FILES) && array_key_exists('userfile',$_FILES) && intval($_FILES['userfile']['size'])) {
+			$src = $_FILES['userfile']['tmp_name'];
+			if($src) {
+				$result = parse_ical_file($src,local_channel());
+				if($result)
+					info( t('Calendar entries imported.') . EOL);
+				else
+					notice( t('No calendar entries found.') . EOL);
+				@unlink($src);
+			}
+			goaway(z_root() . '/channel_calendar');
+		}
+	
+	
+		$event_id = ((x($_POST,'event_id')) ? intval($_POST['event_id']) : 0);
+		$event_hash = ((x($_POST,'event_hash')) ? $_POST['event_hash'] : '');
+	
+		$xchan = ((x($_POST,'xchan')) ? dbesc($_POST['xchan']) : '');
+		$uid      = local_channel();
+	
+		$start_text = escape_tags($_REQUEST['dtstart']);
+		$finish_text = escape_tags($_REQUEST['dtend']);
+	
+		$adjust   = intval($_POST['adjust']);
+		$nofinish = intval($_POST['nofinish']);
+	
+		$timezone = ((x($_POST,'timezone_select')) ? notags(trim($_POST['timezone_select']))     : '');
+
+		$tz = (($timezone) ? $timezone : date_default_timezone_get());
+
+		$categories = escape_tags(trim($_POST['category']));
+	
+		// only allow editing your own events. 
+	
+		if(($xchan) && ($xchan !== get_observer_hash()))
+			return;
+	
+		if($start_text) {
+			$start = $start_text;
+		}
+		else {
+			$start = sprintf('%d-%d-%d %d:%d:0',$startyear,$startmonth,$startday,$starthour,$startminute);
+		}
+	
+	
+		if($finish_text) {
+			$finish = $finish_text;
+		}
+		else {
+			$finish = sprintf('%d-%d-%d %d:%d:0',$finishyear,$finishmonth,$finishday,$finishhour,$finishminute);
+		}
+
+		if($nofinish) {
+			$finish = NULL_DATE;
+		}
+
+
+		if($adjust) {
+			$start = datetime_convert($tz,'UTC',$start);
+			if(! $nofinish)
+				$finish = datetime_convert($tz,'UTC',$finish);
+		}
+		else {
+			$start = datetime_convert('UTC','UTC',$start);
+			if(! $nofinish)
+				$finish = datetime_convert('UTC','UTC',$finish);
+		}
+	
+		// Don't allow the event to finish before it begins.
+		// It won't hurt anything, but somebody will file a bug report
+		// and we'll waste a bunch of time responding to it. Time that 
+		// could've been spent doing something else. 
+	
+	
+		$summary  = escape_tags(trim($_POST['summary']));
+		$desc     = escape_tags(trim($_POST['desc']));
+		$location = escape_tags(trim($_POST['location']));
+		$type     = escape_tags(trim($_POST['type']));
+	
+		require_once('include/text.php');
+		linkify_tags($desc, local_channel());
+		linkify_tags($location, local_channel());
+	
+		//$action = ($event_hash == '') ? 'new' : "event/" . $event_hash;
+	
+		//fixme: this url gives a wsod if there is a linebreak detected in one of the variables ($desc or $location)
+		//$onerror_url = z_root() . "/events/" . $action . "?summary=$summary&description=$desc&location=$location&start=$start_text&finish=$finish_text&adjust=$adjust&nofinish=$nofinish&type=$type";
+		$onerror_url = z_root() . "/events";
+	
+		if(strcmp($finish,$start) < 0 && !$nofinish) {
+			notice( t('Event can not end before it has started.') . EOL);
+			if(intval($_REQUEST['preview'])) {
+				echo( t('Unable to generate preview.'));
+				killme();
+			}
+			goaway($onerror_url);
+		}
+	
+		if((! $summary) || (! $start)) {
+			notice( t('Event title and start time are required.') . EOL);
+			if(intval($_REQUEST['preview'])) {
+				echo( t('Unable to generate preview.'));
+				killme();
+			}
+			goaway($onerror_url);
+		}
+	
+		//		$share = ((intval($_POST['distr'])) ? intval($_POST['distr']) : 0);
+
+		$share = 1;	
+
+		$channel = \App::get_channel();
+	
+		$acl = new \Zotlabs\Access\AccessList(false);
+	
+		if($event_id) {
+			$x = q("select * from event where id = %d and uid = %d limit 1",
+				intval($event_id),
+				intval(local_channel())
+			);
+			if(! $x) {
+				notice( t('Event not found.') . EOL);
+				if(intval($_REQUEST['preview'])) {
+					echo( t('Unable to generate preview.'));
+					killme();
+				}
+				return;
+			}
+	
+			$acl->set($x[0]);
+	
+			$created = $x[0]['created'];
+			$edited = datetime_convert();
+	
+			if($x[0]['allow_cid'] === '<' . $channel['channel_hash'] . '>' 
+				&& $x[0]['allow_gid'] === '' && $x[0]['deny_cid'] === '' && $x[0]['deny_gid'] === '') {
+				$share = false;
+			}
+			else {
+				$share = true;
+			}
+		}
+		else {
+			$created = $edited = datetime_convert();
+			if($share) {
+				$acl->set_from_array($_POST);
+			}
+			else {
+				$acl->set(array('allow_cid' => '<' . $channel['channel_hash'] . '>', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => ''));
+			}
+		}
+	
+		$post_tags = array();
+		$channel = \App::get_channel();
+		$ac = $acl->get();
+	
+		if(strlen($categories)) {
+			$cats = explode(',',$categories);
+			foreach($cats as $cat) {
+				$post_tags[] = array(
+					'uid'   => $profile_uid, 
+					'ttype' => TERM_CATEGORY,
+					'otype' => TERM_OBJ_POST,
+					'term'  => trim($cat),
+					'url'   => $channel['xchan_url'] . '?f=&cat=' . urlencode(trim($cat))
+				);
+			}
+		}
+	
+		$datarray = array();
+		$datarray['dtstart'] = $start;
+		$datarray['dtend'] = $finish;
+		$datarray['summary'] = $summary;
+		$datarray['description'] = $desc;
+		$datarray['location'] = $location;
+		$datarray['etype'] = $type;
+		$datarray['adjust'] = $adjust;
+		$datarray['nofinish'] = $nofinish;
+		$datarray['uid'] = local_channel();
+		$datarray['account'] = get_account_id();
+		$datarray['event_xchan'] = $channel['channel_hash'];
+		$datarray['allow_cid'] = $ac['allow_cid'];
+		$datarray['allow_gid'] = $ac['allow_gid'];
+		$datarray['deny_cid'] = $ac['deny_cid'];
+		$datarray['deny_gid'] = $ac['deny_gid'];
+		$datarray['private'] = (($acl->is_private()) ? 1 : 0);
+		$datarray['id'] = $event_id;
+		$datarray['created'] = $created;
+		$datarray['edited'] = $edited;
+	
+		if(intval($_REQUEST['preview'])) {
+			$html = format_event_html($datarray);
+			echo $html;
+			killme();
+		}
+	
+		$event = event_store_event($datarray);
+	
+		if($post_tags)	
+			$datarray['term'] = $post_tags;
+	
+		$item_id = event_store_item($datarray,$event);
+	
+		if($item_id) {
+			$r = q("select * from item where id = %d",
+				intval($item_id)
+			);
+			if($r) {
+				xchan_query($r);
+				$sync_item = fetch_post_tags($r);
+				$z = q("select * from event where event_hash = '%s' and uid = %d limit 1",
+					dbesc($r[0]['resource_id']),
+					intval($channel['channel_id'])
+				);
+				if($z) {
+					build_sync_packet($channel['channel_id'],array('event_item' => array(encode_item($sync_item[0],true)),'event' => $z));
+				}
+			}
+		}
+	
+		if($share)
+			\Zotlabs\Daemon\Master::Summon(array('Notifier','event',$item_id));
+	
+	}
+	
+	
+	
+	function get() {
+	
+		if(argc() > 2 && argv(1) == 'ical') {
+			$event_id = argv(2);
+	
+			require_once('include/security.php');
+			$sql_extra = permissions_sql(local_channel());
+	
+			$r = q("select * from event where event_hash = '%s' $sql_extra limit 1",
+				dbesc($event_id)
+			);
+			if($r) { 
+				header('Content-type: text/calendar');
+				header('content-disposition: attachment; filename="' . t('event') . '-' . $event_id . '.ics"' );
+				echo ical_wrapper($r);
+				killme();
+			}
+			else {
+				notice( t('Event not found.') . EOL );
+				return;
+			}
+		}
+	
+		if(! local_channel()) {
+			notice( t('Permission denied.') . EOL);
+			return;
+		}
+
+/*
+
+		\App::$profile_uid = local_channel();
+		nav_set_selected('Events');
+*/
+	
+		if((argc() > 2) && (argv(1) === 'ignore') && intval(argv(2))) {
+			$r = q("update event set dismissed = 1 where id = %d and uid = %d",
+				intval(argv(2)),
+				intval(local_channel())
+			);
+		}
+	
+		if((argc() > 2) && (argv(1) === 'unignore') && intval(argv(2))) {
+			$r = q("update event set dismissed = 0 where id = %d and uid = %d",
+				intval(argv(2)),
+				intval(local_channel())
+			);
+		}
+	
+		$first_day = feature_enabled(local_channel(), 'events_cal_first_day');
+		$first_day = (($first_day) ? $first_day : 0);
+	
+		$htpl = get_markup_template('event_head.tpl');
+		\App::$page['htmlhead'] .= replace_macros($htpl,array(
+			'$baseurl' => z_root(),
+			'$module_url' => '/events',
+			'$modparams' => 1,
+			'$lang' => \App::$language,
+			'$first_day' => $first_day
+		));
+	
+		$o = '';
+	
+		$channel = \App::get_channel();
+	
+		$mode = 'view';
+		$y = 0;
+		$m = 0;
+		$ignored = ((x($_REQUEST,'ignored')) ? " and dismissed = " . intval($_REQUEST['ignored']) . " "  : '');
+	
+	
+		// logger('args: ' . print_r(\App::$argv,true));
+	
+	
+	
+		if(argc() > 1) {
+			if(argc() > 2 && argv(1) === 'add') {
+				$mode = 'add';
+				$item_id = intval(argv(2));
+			}
+			if(argc() > 2 && argv(1) === 'drop') {
+				$mode = 'drop';
+				$event_id = argv(2);
+			}
+			if(argc() > 2 && intval(argv(1)) && intval(argv(2))) {
+				$mode = 'view';
+				$y = intval(argv(1));
+				$m = intval(argv(2));
+			}
+			if(argc() <= 2) {
+				$mode = 'view';
+				$event_id = argv(1);
+			}
+		}
+	
+		if($mode === 'add') {
+			event_addtocal($item_id,local_channel());
+			killme();
+		}
+	
+		if($mode == 'view') {
+	
+			/* edit/create form */
+			if($event_id) {
+				$r = q("SELECT * FROM event WHERE event_hash = '%s' AND uid = %d LIMIT 1",
+					dbesc($event_id),
+					intval(local_channel())
+				);
+				if(count($r))
+					$orig_event = $r[0];
+			}
+	
+			$channel = \App::get_channel();
+	
+			// Passed parameters overrides anything found in the DB
+			if(!x($orig_event))
+				$orig_event = array();
+	
+			// In case of an error the browser is redirected back here, with these parameters filled in with the previous values
+			/*
+			if(x($_REQUEST,'nofinish')) $orig_event['nofinish'] = $_REQUEST['nofinish'];
+			if(x($_REQUEST,'adjust')) $orig_event['adjust'] = $_REQUEST['adjust'];
+			if(x($_REQUEST,'summary')) $orig_event['summary'] = $_REQUEST['summary'];
+			if(x($_REQUEST,'description')) $orig_event['description'] = $_REQUEST['description'];
+			if(x($_REQUEST,'location')) $orig_event['location'] = $_REQUEST['location'];
+			if(x($_REQUEST,'start')) $orig_event['dtstart'] = $_REQUEST['start'];
+			if(x($_REQUEST,'finish')) $orig_event['dtend'] = $_REQUEST['finish'];
+			if(x($_REQUEST,'type')) $orig_event['etype'] = $_REQUEST['type'];
+			*/
+	
+			$n_checked = ((x($orig_event) && $orig_event['nofinish']) ? ' checked="checked" ' : '');
+			$a_checked = ((x($orig_event) && $orig_event['adjust']) ? ' checked="checked" ' : '');
+			$t_orig = ((x($orig_event)) ? $orig_event['summary'] : '');
+			$d_orig = ((x($orig_event)) ? $orig_event['description'] : '');
+			$l_orig = ((x($orig_event)) ? $orig_event['location'] : '');
+			$eid = ((x($orig_event)) ? $orig_event['id'] : 0);
+			$event_xchan = ((x($orig_event)) ? $orig_event['event_xchan'] : $channel['channel_hash']);
+			$mid = ((x($orig_event)) ? $orig_event['mid'] : '');
+	
+			if(! x($orig_event)) {
+				$sh_checked = '';
+				$a_checked = ' checked="checked" ';
+			}
+			else {
+				$sh_checked = ((($orig_event['allow_cid'] === '<' . $channel['channel_hash'] . '>' || (! $orig_event['allow_cid'])) && (! $orig_event['allow_gid']) && (! $orig_event['deny_cid']) && (! $orig_event['deny_gid'])) ? '' : ' checked="checked" ' );
+			}
+
+			if($orig_event['event_xchan'])
+				$sh_checked .= ' disabled="disabled" ';
+	
+			$sdt = ((x($orig_event)) ? $orig_event['dtstart'] : 'now');
+	
+			$fdt = ((x($orig_event)) ? $orig_event['dtend'] : '+1 hour');
+	
+			$tz = date_default_timezone_get();
+			if(x($orig_event))
+				$tz = (($orig_event['adjust']) ? date_default_timezone_get() : 'UTC');
+	
+			$syear = datetime_convert('UTC', $tz, $sdt, 'Y');
+			$smonth = datetime_convert('UTC', $tz, $sdt, 'm');
+			$sday = datetime_convert('UTC', $tz, $sdt, 'd');
+			$shour = datetime_convert('UTC', $tz, $sdt, 'H');
+			$sminute = datetime_convert('UTC', $tz, $sdt, 'i');
+	
+			$stext = datetime_convert('UTC',$tz,$sdt);
+			$stext = substr($stext,0,14) . "00:00";
+	
+			$fyear = datetime_convert('UTC', $tz, $fdt, 'Y');
+			$fmonth = datetime_convert('UTC', $tz, $fdt, 'm');
+			$fday = datetime_convert('UTC', $tz, $fdt, 'd');
+			$fhour = datetime_convert('UTC', $tz, $fdt, 'H');
+			$fminute = datetime_convert('UTC', $tz, $fdt, 'i');
+	
+			$ftext = datetime_convert('UTC',$tz,$fdt);
+			$ftext = substr($ftext,0,14) . "00:00";
+	
+			$type = ((x($orig_event)) ? $orig_event['etype'] : 'event');
+	
+			$f = get_config('system','event_input_format');
+			if(! $f)
+				$f = 'ymd';
+	
+			$catsenabled = feature_enabled(local_channel(),'categories');
+	
+			$category = '';
+	
+			if($catsenabled && x($orig_event)){
+				$itm = q("select * from item where resource_type = 'event' and resource_id = '%s' and uid = %d limit 1",
+					dbesc($orig_event['event_hash']),
+					intval(local_channel())
+				);
+				$itm = fetch_post_tags($itm);
+				if($itm) {
+					$cats = get_terms_oftype($itm[0]['term'], TERM_CATEGORY);
+					foreach ($cats as $cat) {
+						if(strlen($category))
+							$category .= ', ';
+						$category .= $cat['term'];
+	            			}
+				}
+			}
+/*	
+			require_once('include/acl_selectors.php');
+	
+			$acl = new \Zotlabs\Access\AccessList($channel);
+			$perm_defaults = $acl->get();
+
+			$permissions = ((x($orig_event)) ? $orig_event : $perm_defaults);
+
+			$tpl = get_markup_template('event_form.tpl');
+	
+			$form = replace_macros($tpl,array(
+				'$post' => z_root() . '/events',
+				'$eid' => $eid,
+				'$type' => $type,
+				'$xchan' => $event_xchan,
+				'$mid' => $mid,
+				'$event_hash' => $event_id,
+				'$summary' => array('summary', (($event_id) ? t('Edit event title') : t('Event title')), $t_orig, t('Required'), '*'),
+				'$catsenabled' => $catsenabled,
+				'$placeholdercategory' => t('Categories (comma-separated list)'),
+				'$c_text' => (($event_id) ? t('Edit Category') : t('Category')),
+				'$category' => $category,
+				'$required' => '<span class="required" title="' . t('Required') . '">*</span>',
+				'$s_dsel' => datetimesel($f,new \DateTime(),\DateTime::createFromFormat('Y',$syear+5),\DateTime::createFromFormat('Y-m-d H:i',"$syear-$smonth-$sday $shour:$sminute"), (($event_id) ? t('Edit start date and time') : t('Start date and time')), 'start_text',true,true,'','',true,$first_day),
+				'$n_text' => t('Finish date and time are not known or not relevant'),
+				'$n_checked' => $n_checked,
+				'$f_dsel' => datetimesel($f,new \DateTime(),\DateTime::createFromFormat('Y',$fyear+5),\DateTime::createFromFormat('Y-m-d H:i',"$fyear-$fmonth-$fday $fhour:$fminute"), (($event_id) ? t('Edit finish date and time') : t('Finish date and time')),'finish_text',true,true,'start_text','',false,$first_day),
+				'$nofinish' => array('nofinish', t('Finish date and time are not known or not relevant'), $n_checked, '', array(t('No'),t('Yes')), 'onclick="enableDisableFinishDate();"'),
+				'$adjust' => array('adjust', t('Adjust for viewer timezone'), $a_checked, t('Important for events that happen in a particular place. Not practical for global holidays.'), array(t('No'),t('Yes'))),
+				'$a_text' => t('Adjust for viewer timezone'),
+				'$d_text' => (($event_id) ? t('Edit Description') : t('Description')),
+				'$d_orig' => $d_orig,
+				'$l_text' => (($event_id) ? t('Edit Location') : t('Location')),
+				'$l_orig' => $l_orig,
+				'$t_orig' => $t_orig,
+				'$preview' => t('Preview'),
+				'$perms_label' => t('Permission settings'),
+				// populating the acl dialog was a permission description from view_stream because Cal.php, which
+				// displays events, says "since we don't currently have an event permission - use the stream permission"
+				'$acl' => (($orig_event['event_xchan']) ? '' : populate_acl(((x($orig_event)) ? $orig_event : $perm_defaults), false, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_stream'))),
+
+				'$allow_cid' => acl2json($permissions['allow_cid']),
+				'$allow_gid' => acl2json($permissions['allow_gid']),
+				'$deny_cid' => acl2json($permissions['deny_cid']),
+				'$deny_gid' => acl2json($permissions['deny_gid']),
+				'$tz_choose' => feature_enabled(local_channel(),'event_tz_select'),
+				'$timezone' => array('timezone_select' , t('Timezone:'), date_default_timezone_get(), '', get_timezones()),
+
+				'$lockstate' => (($acl->is_private()) ? 'lock' : 'unlock'),
+
+				'$submit' => t('Submit'),
+				'$advanced' => t('Advanced Options')
+	
+			));
+*/
+	
+			$thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
+			$thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
+			if(! $y)
+				$y = intval($thisyear);
+			if(! $m)
+				$m = intval($thismonth);
+	
+			$export = false;
+			if(argc() === 4 && argv(3) === 'export')
+				$export = true;
+	
+			// Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
+			// An upper limit was chosen to keep search engines from exploring links millions of years in the future. 
+	
+			if($y < 1901)
+				$y = 1900;
+			if($y > 2099)
+				$y = 2100;
+	
+			$nextyear = $y;
+			$nextmonth = $m + 1;
+			if($nextmonth > 12) {
+					$nextmonth = 1;
+				$nextyear ++;
+			}
+	
+			$prevyear = $y;
+			if($m > 1)
+				$prevmonth = $m - 1;
+			else {
+				$prevmonth = 12;
+				$prevyear --;
+			}
+				
+			$dim    = get_dim($y,$m);
+			$start  = sprintf('%d-%d-%d %d:%d:%d',$y,$m,1,0,0,0);
+			$finish = sprintf('%d-%d-%d %d:%d:%d',$y,$m,$dim,23,59,59);
+	
+	
+			if (argv(1) === 'json'){
+				if (x($_GET,'start'))	$start = $_GET['start'];
+				if (x($_GET,'end'))	$finish = $_GET['end'];
+			}
+	
+			$start  = datetime_convert('UTC','UTC',$start);
+			$finish = datetime_convert('UTC','UTC',$finish);
+	
+			$adjust_start = datetime_convert('UTC', date_default_timezone_get(), $start);
+			$adjust_finish = datetime_convert('UTC', date_default_timezone_get(), $finish);
+	
+			if (x($_GET,'id')){
+			  	$r = q("SELECT event.*, item.plink, item.item_flags, item.author_xchan, item.owner_xchan
+	                                from event left join item on resource_id = event_hash where resource_type = 'event' and event.uid = %d and event.id = %d limit 1",
+					intval(local_channel()),
+					intval($_GET['id'])
+				);
+			} elseif($export) {
+				$r = q("SELECT * from event where uid = %d
+					AND (( adjust = 0 AND ( dtend >= '%s' or nofinish = 1 ) AND dtstart <= '%s' ) 
+					OR  (  adjust = 1 AND ( dtend >= '%s' or nofinish = 1 ) AND dtstart <= '%s' )) ",
+					intval(local_channel()),
+					dbesc($start),
+					dbesc($finish),
+					dbesc($adjust_start),
+					dbesc($adjust_finish)
+				);
+			}
+			else {
+				// fixed an issue with "nofinish" events not showing up in the calendar.
+				// There's still an issue if the finish date crosses the end of month.
+				// Noting this for now - it will need to be fixed here and in Friendica.
+				// Ultimately the finish date shouldn't be involved in the query. 
+
+				$r = q("SELECT event.*, item.plink, item.item_flags, item.author_xchan, item.owner_xchan
+	                              from event left join item on event_hash = resource_id 
+					where resource_type = 'event' and event.uid = %d and event.uid = item.uid $ignored 
+					AND (( adjust = 0 AND ( dtend >= '%s' or nofinish = 1 ) AND dtstart <= '%s' ) 
+					OR  (  adjust = 1 AND ( dtend >= '%s' or nofinish = 1 ) AND dtstart <= '%s' )) ",
+					intval(local_channel()),
+					dbesc($start),
+					dbesc($finish),
+					dbesc($adjust_start),
+					dbesc($adjust_finish)
+				);
+			}
+	
+			$links = array();
+	
+			if($r && ! $export) {
+				xchan_query($r);
+				$r = fetch_post_tags($r,true);
+	
+				$r = sort_by_date($r);
+			}
+	
+			if($r) {
+				foreach($r as $rr) {
+					$j = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['dtstart'], 'j') : datetime_convert('UTC','UTC',$rr['dtstart'],'j'));
+					if(! x($links,$j)) 
+						$links[$j] = z_root() . '/' . \App::$cmd . '#link-' . $j;
+				}
+			}
+	
+			$events=array();
+	
+			$last_date = '';
+			$fmt = t('l, F j');
+	
+			if($r) {
+	
+				foreach($r as $rr) {
+					$j = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['dtstart'], 'j') : datetime_convert('UTC','UTC',$rr['dtstart'],'j'));
+					$d = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['dtstart'], $fmt) : datetime_convert('UTC','UTC',$rr['dtstart'],$fmt));
+					$d = day_translate($d);
+					
+					$start = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['dtstart'], 'c') : datetime_convert('UTC','UTC',$rr['dtstart'],'c'));
+					if ($rr['nofinish']){
+						$end = null;
+					} else {
+						$end = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['dtend'], 'c') : datetime_convert('UTC','UTC',$rr['dtend'],'c'));
+
+						// give a fake end to birthdays so they get crammed into a 
+						// single day on the calendar
+
+						if($rr['etype'] === 'birthday')
+							$end = null;
+					}
+					
+					
+					$is_first = ($d !== $last_date);
+						
+					$last_date = $d;
+	
+					$edit = ((local_channel() && $rr['author_xchan'] == get_observer_hash()) ? array(z_root().'/events/'.$rr['event_hash'].'?expandform=1',t('Edit event'),'','') : false);
+	
+					$drop = array(z_root().'/events/drop/'.$rr['event_hash'],t('Delete event'),'','');
+	
+					$title = strip_tags(html_entity_decode(zidify_links(bbcode($rr['summary'])),ENT_QUOTES,'UTF-8'));
+					if(! $title) {
+						list($title, $_trash) = explode("<br",bbcode($rr['desc']),2);
+						$title = strip_tags(html_entity_decode($title,ENT_QUOTES,'UTF-8'));
+					}
+					$html = format_event_html($rr);
+					$rr['desc'] = zidify_links(smilies(bbcode($rr['desc'])));
+					$rr['description'] = htmlentities(html2plain(bbcode($rr['description'])),ENT_COMPAT,'UTF-8',false);
+					$rr['location'] = zidify_links(smilies(bbcode($rr['location'])));
+					$events[] = array(
+						'calendar_id' => 'channel_calendar',
+						'rw' => true,
+
+						'id'=>$rr['id'],
+						'uri' => $rr['event_hash'],
+						'start'=> $start,
+						'end' => $end,
+						'drop' => $drop,
+						'allDay' => false,
+						'title' => $title,
+						
+						'j' => $j,
+						'd' => $d,
+						'is_editable' => $edit ? true : false,
+						'is_first'=>$is_first,
+						'item'=>$rr,
+						'html'=>$html,
+						'plink' => array($rr['plink'],t('Link to Source'),'',''),
+
+						'allow_cid' => expand_acl($rr['allow_cid']),
+						'allow_gid' => expand_acl($rr['allow_gid']),
+						'deny_cid' => expand_acl($rr['deny_cid']),
+						'deny_gid' => expand_acl($rr['deny_gid']),
+					);
+				}
+			}
+			
+			if($export) {
+				header('Content-type: text/calendar');
+				header('content-disposition: attachment; filename="' . t('calendar') . '-' . $channel['channel_address'] . '.ics"' );
+				echo ical_wrapper($r);
+				killme();
+			}
+	
+			if (\App::$argv[1] === 'json'){
+				json_return_and_die($events);
+			}
+			
+/*
+			// links: array('href', 'text', 'extra css classes', 'title')
+			if (x($_GET,'id')){
+				$tpl =  get_markup_template("event.tpl");
+			} 
+			else {
+				$tpl = get_markup_template("events-js.tpl");
+			}
+
+	
+			$o = replace_macros($tpl, array(
+				'$baseurl'	=> z_root(),
+				'$new_event'	=> array(z_root().'/events',(($event_id) ? t('Edit Event') : t('Create Event')),'',''),
+				'$previus'	=> array(z_root()."/events/$prevyear/$prevmonth",t('Previous'),'',''),
+				'$next'		=> array(z_root()."/events/$nextyear/$nextmonth",t('Next'),'',''),
+				'$export'	=> array(z_root()."/events/$y/$m/export",t('Export'),'',''),
+				'$calendar'	=> cal($y,$m,$links, ' eventcal'),
+				'$events'	=> $events,
+				'$view_label'   => t('View'),
+				'$month'        => t('Month'),
+				'$week'         => t('Week'),
+				'$day'          => t('Day'),
+				'$prev'		=> t('Previous'),
+				'$next'		=> t('Next'),
+				'$today'	=> t('Today'),
+				'$form'		=> $form,
+				'$expandform'	=> ((x($_GET,'expandform')) ? true : false),
+			));
+			
+			if (x($_GET,'id')){ echo $o; killme(); }
+			
+			return $o;
+*/
+		}
+
+	
+		if($mode === 'drop' && $event_id) {
+			$r = q("SELECT * FROM event WHERE event_hash = '%s' AND uid = %d LIMIT 1",
+				dbesc($event_id),
+				intval(local_channel())
+			);
+	
+			$sync_event = $r[0];
+	
+			if($r) {
+				$r = q("delete from event where event_hash = '%s' and uid = %d",
+					dbesc($event_id),
+					intval(local_channel())
+				);
+				if($r) {
+					$r = q("update item set resource_type = '', resource_id = '' where resource_type = 'event' and resource_id = '%s' and uid = %d",
+						dbesc($event_id),
+						intval(local_channel())
+					);
+					$sync_event['event_deleted'] = 1;
+					build_sync_packet(0,array('event' => array($sync_event)));
+					killme();
+				}
+				notice( t('Failed to remove event' ) . EOL);
+				killme();
+			}
+		}
+	
+	}
+	
+}
diff --git a/Zotlabs/Widget/Cdav.php b/Zotlabs/Widget/Cdav.php
index 589f915c5..c88530c0b 100644
--- a/Zotlabs/Widget/Cdav.php
+++ b/Zotlabs/Widget/Cdav.php
@@ -113,10 +113,22 @@ class Cdav {
 				}
 			}
 
+			$channel_calendars[] = [
+				'ownernick' => $channel['channel_address'],
+				'displayname' => $channel['channel_name'],
+				'calendarid' => 'channel_calendar',
+				'json_source' => '/channel_calendar/json',
+				'color' => '#3a87ad',
+				'editable' => true,
+				'switch' => get_pconfig(local_channel(), 'cdav_calendar', 'channel_calendar')
+			];
+
 			$o .= replace_macros(get_markup_template('cdav_widget_calendar.tpl'), [
-				'$my_calendars_label' => t('My Calendars'),
+				'$channel_calendars_label' => t('Channel Calendar'),
+				'$channel_calendars' => $channel_calendars,
+				'$my_calendars_label' => t('CalDAV Calendars'),
 				'$my_calendars' => $my_calendars,
-				'$shared_calendars_label' => t('Shared Calendars'),
+				'$shared_calendars_label' => t('Shared CalDAV Calendars'),
 				'$shared_calendars' => $shared_calendars,
 				'$sharee_options' => $sharee_options,
 				'$access_options' => $access_options,
@@ -127,7 +139,7 @@ class Cdav {
 				'$create_label' => t('Create new calendar'),
 				'$create' => t('Create'),
 				'$create_placeholder' => t('Calendar Name'),
-				'$tools_label' => t('Calendar Tools'),
+				'$tools_label' => t('CalDAV Calendar Tools'),
 				'$import_label' => t('Import calendar'),
 				'$import_placeholder' => t('Select a calendar to import to'),
 				'$upload' => t('Upload'),