diff --git a/src/Content/Widget/CalendarExport.php b/src/Content/Widget/CalendarExport.php
new file mode 100644
index 000000000..27a4e4348
--- /dev/null
+++ b/src/Content/Widget/CalendarExport.php
@@ -0,0 +1,78 @@
+<?php
+
+/*
+ * @file src/Content/Widget/CalendarExport.php
+ */
+
+namespace Friendica\Content\Widget;
+
+use Friendica\Core\L10n;
+
+require_once 'boot.php';
+require_once 'include/text.php';
+
+/**
+ * TagCloud widget
+ *
+ * @author Rabuzarus
+ */
+class CalendarExport
+{
+	/**
+	 * @brief Get the events widget.
+	 *
+	 * @return string Formated HTML of the calendar widget.
+	 */
+	public static function getHTML() {
+		$a = get_app();
+
+//		$owner_uid = $a->data['user']['uid'];
+//		// The permission testing is a little bit tricky because we have to respect many cases.
+//
+//		// It's not the private events page (we don't get the $owner_uid for /events).
+//		if (! local_user() && ! $owner_uid) {
+//			return;
+//		}
+//
+//		/*
+//		 * Cal logged in user (test permission at foreign profile page).
+//		 * If the $owner uid is available we know it is part of one of the profile pages (like /cal).
+//		 * So we have to test if if it's the own profile page of the logged in user
+//		 * or a foreign one. For foreign profile pages we need to check if the feature
+//		 * for exporting the cal is enabled (otherwise the widget would appear for logged in users
+//		 * on foreigen profile pages even if the widget is disabled).
+//		 */
+//		if (intval($owner_uid) && local_user() !== $owner_uid && ! Feature::isEnabled($owner_uid, "export_calendar")) {
+//			return;
+//		}
+//
+//		/*
+//		 * If it's a kind of profile page (intval($owner_uid)) return if the user not logged in and
+//		 * export feature isn't enabled.
+//		 */
+//		if (intval($owner_uid) && ! local_user() && ! Feature::isEnabled($owner_uid, "export_calendar")) {
+//			return;
+//		}
+		/*
+		 * All the legacy checks above seem to be equivalent to the check below, see https://ethercalc.org/z6ehv1tut9cm
+		 * If there is a mistake in the spreadsheet, please notify @MrPetovan on GitHub or by email mrpetovan@gmail.com
+		 */
+		if (!local_user()) {
+			return;
+		}
+
+		// $a->data is only available if the profile page is visited. If the visited page is not part
+		// of the profile page it should be the personal /events page. So we can use $a->user.
+		$user = defaults($a->data['user'], 'nickname', $a->user['nickname']);
+
+		$tpl = get_markup_template("events_aside.tpl");
+		$return = replace_macros($tpl, [
+			'$etitle'      => L10n::t("Export"),
+			'$export_ical' => L10n::t("Export calendar as ical"),
+			'$export_csv'  => L10n::t("Export calendar as csv"),
+			'$user'        => $user
+		]);
+
+		return $return;
+	}
+}
diff --git a/src/Model/Event.php b/src/Model/Event.php
new file mode 100644
index 000000000..9c35e34e4
--- /dev/null
+++ b/src/Model/Event.php
@@ -0,0 +1,955 @@
+<?php
+/**
+ * @file src/Model/Event.php
+ */
+
+namespace Friendica\Model;
+
+use dba;
+use Friendica\BaseObject;
+use Friendica\Content\Text\BBCode;
+use Friendica\Core\Addon;
+use Friendica\Core\L10n;
+use Friendica\Core\PConfig;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Model\Item;
+use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Map;
+
+require_once 'boot.php';
+require_once 'include/dba.php';
+require_once 'include/items.php';
+
+/**
+ * @brief functions for interacting with the event database table
+ */
+class Event extends BaseObject
+{
+
+	public static function getHTML(array $event, $simple = false)
+	{
+		if (!is_array($event) || !!count($event)) {
+			return '';
+		}
+
+		$bd_format = L10n::t('l F d, Y \@ g:i A'); // Friday January 18, 2011 @ 8 AM.
+
+		$event_start = day_translate(
+			$event['adjust'] ?
+			DateTimeFormat::local($event['start'], $bd_format) : DateTimeFormat::utc($event['start'], $bd_format)
+		);
+
+		$event_end = day_translate(
+			$event['adjust'] ?
+			DateTimeFormat::local($event['finish'], $bd_format) : DateTimeFormat::utc($event['finish'], $bd_format)
+		);
+
+		if ($simple) {
+			$o = "<h3>" . BBCode::convert($event['summary'], false, $simple) . "</h3>";
+
+			$o .= "<div>" . BBCode::convert($event['desc'], false, $simple) . "</div>";
+
+			$o .= "<h4>" . L10n::t('Starts:') . "</h4><p>" . $event_start . "</p>";
+
+			if (!$event['nofinish']) {
+				$o .= "<h4>" . L10n::t('Finishes:') . "</h4><p>" . $event_end . "</p>";
+			}
+
+			if (strlen($event['location'])) {
+				$o .= "<h4>" . L10n::t('Location:') . "</h4><p>" . BBCode::convert($event['location'], false, $simple) . "</p>";
+			}
+
+			return $o;
+		}
+
+		$o = '<div class="vevent">' . "\r\n";
+
+		$o .= '<div class="summary event-summary">' . BBCode::convert($event['summary'], false, $simple) . '</div>' . "\r\n";
+
+		$o .= '<div class="event-start"><span class="event-label">' . L10n::t('Starts:') . '</span>&nbsp;<span class="dtstart" title="'
+			. DateTimeFormat::utc($event['start'], (($event['adjust']) ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s'))
+			. '" >' . $event_start
+			. '</span></div>' . "\r\n";
+
+		if (!$event['nofinish']) {
+			$o .= '<div class="event-end" ><span class="event-label">' . L10n::t('Finishes:') . '</span>&nbsp;<span class="dtend" title="'
+				. DateTimeFormat::utc($event['finish'], (($event['adjust']) ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s'))
+				. '" >' . $event_end
+				. '</span></div>' . "\r\n";
+		}
+
+		$o .= '<div class="description event-description">' . BBCode::convert($event['desc'], false, $simple) . '</div>' . "\r\n";
+
+		if (strlen($event['location'])) {
+			$o .= '<div class="event-location"><span class="event-label">' . L10n::t('Location:') . '</span>&nbsp;<span class="location">'
+				. BBCode::convert($event['location'], false, $simple)
+				. '</span></div>' . "\r\n";
+
+			// Include a map of the location if the [map] BBCode is used.
+			if (strpos($event['location'], "[map") !== false) {
+				$map = Map::byLocation($event['location'], $simple);
+				if ($map !== $event['location']) {
+					$o .= $map;
+				}
+			}
+		}
+
+		$o .= '</div>' . "\r\n";
+		return $o;
+	}
+
+	/**
+	 * @brief Convert an array with event data to bbcode.
+	 *
+	 * @param array $event Array which contains the event data.
+	 * @return string The event as a bbcode formatted string.
+	 */
+	public static function getBBCode(array $event)
+	{
+		$o = '';
+
+		if ($event['summary']) {
+			$o .= '[event-summary]' . $event['summary'] . '[/event-summary]';
+		}
+
+		if ($event['desc']) {
+			$o .= '[event-description]' . $event['desc'] . '[/event-description]';
+		}
+
+		if ($event['start']) {
+			$o .= '[event-start]' . $event['start'] . '[/event-start]';
+		}
+
+		if (($event['finish']) && (!$event['nofinish'])) {
+			$o .= '[event-finish]' . $event['finish'] . '[/event-finish]';
+		}
+
+		if ($event['location']) {
+			$o .= '[event-location]' . $event['location'] . '[/event-location]';
+		}
+
+		if ($event['adjust']) {
+			$o .= '[event-adjust]' . $event['adjust'] . '[/event-adjust]';
+		}
+
+		return $o;
+	}
+
+	/**
+	 * @brief Extract bbcode formatted event data from a string.
+	 *
+	 * @params: string $s The string which should be parsed for event data.
+	 * @return array The array with the event information.
+	 */
+	public static function fromBBCode($text)
+	{
+		$ev = [];
+
+		$match = '';
+		if (preg_match("/\[event\-summary\](.*?)\[\/event\-summary\]/is", $text, $match)) {
+			$ev['summary'] = $match[1];
+		}
+
+		$match = '';
+		if (preg_match("/\[event\-description\](.*?)\[\/event\-description\]/is", $text, $match)) {
+			$ev['desc'] = $match[1];
+		}
+
+		$match = '';
+		if (preg_match("/\[event\-start\](.*?)\[\/event\-start\]/is", $text, $match)) {
+			$ev['start'] = $match[1];
+		}
+
+		$match = '';
+		if (preg_match("/\[event\-finish\](.*?)\[\/event\-finish\]/is", $text, $match)) {
+			$ev['finish'] = $match[1];
+		}
+
+		$match = '';
+		if (preg_match("/\[event\-location\](.*?)\[\/event\-location\]/is", $text, $match)) {
+			$ev['location'] = $match[1];
+		}
+
+		$match = '';
+		if (preg_match("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is", $text, $match)) {
+			$ev['adjust'] = $match[1];
+		}
+
+		$ev['nofinish'] = !empty($ev['start']) && empty($ev['finish']) ? 1 : 0;
+
+		return $ev;
+	}
+
+	public static function sortByDate($event_list)
+	{
+		usort($event_list, ['self', 'compareDatesCallback']);
+		return $event_list;
+	}
+
+	private static function compareDatesCallback($event_a, $event_b)
+	{
+		$date_a = (($event_a['adjust']) ? DateTimeFormat::local($event_a['start']) : $event_a['start']);
+		$date_b = (($event_b['adjust']) ? DateTimeFormat::local($event_b['start']) : $event_b['start']);
+
+		if ($date_a === $date_b) {
+			return strcasecmp($event_a['desc'], $event_b['desc']);
+		}
+
+		return strcmp($date_a, $date_b);
+	}
+
+	/**
+	 * @brief Delete an event from the event table.
+	 *
+	 * Note: This function does only delete the event from the event table not its
+	 * related entry in the item table.
+	 *
+	 * @param int $event_id Event ID.
+	 * @return void
+	 */
+	public static function delete($event_id)
+	{
+		if ($event_id == 0) {
+			return;
+		}
+
+		dba::delete('event', ['id' => $event_id]);
+		logger("Deleted event ".$event_id, LOGGER_DEBUG);
+	}
+
+	/**
+	 * @brief Store the event.
+	 *
+	 * Store the event in the event table and create an event item in the item table.
+	 *
+	 * @param array $event Array with event data.
+	 * @return int The event id.
+	 */
+	public static function store($arr)
+	{
+		$a = self::getApp();
+
+		$event['uri']       =        defaults($arr, 'uri'      , item_new_uri($a->get_hostname(), $event['uid']));
+		$event['id']        = intval(defaults($arr, 'id'       , 0));
+		$event['uid']       = intval(defaults($arr, 'uid'      , 0));
+		$event['cid']       = intval(defaults($arr, 'cid'      , 0));
+		$event['type']      =        defaults($arr, 'type'     , 'event');
+		$event['summary']   =        defaults($arr, 'summary'  , '');
+		$event['desc']      =        defaults($arr, 'desc'     , '');
+		$event['location']  =        defaults($arr, 'location' , '');
+		$event['allow_cid'] =        defaults($arr, 'allow_cid', '');
+		$event['allow_gid'] =        defaults($arr, 'allow_gid', '');
+		$event['deny_cid']  =        defaults($arr, 'deny_cid' , '');
+		$event['deny_gid']  =        defaults($arr, 'deny_gid' , '');
+		$event['private']   = intval(defaults($arr, 'private'  , 0));
+		$event['adjust']    = intval(defaults($arr, 'adjust'   , 0));
+		$event['nofinish']  = intval(defaults($arr, 'nofinish' , !empty($event['start']) && empty($event['finish'])));
+
+		$event['created']   = DateTimeFormat::utc(defaults($arr, 'created'  , 'now'));
+		$event['edited']    = DateTimeFormat::utc(defaults($arr, 'edited'   , 'now'));
+		$event['start']     = DateTimeFormat::utc(defaults($arr, 'start'    , NULL_DATE));
+		$event['finish']    = DateTimeFormat::utc(defaults($arr, 'finish'   , NULL_DATE));
+		if ($event['finish'] < NULL_DATE) {
+			$event['finish'] = NULL_DATE;
+		}
+
+		$condition = ['uid' => $event['uid']];
+		if ($event['cid']) {
+			$condition['id'] = $event['cid'];
+		}
+
+		$contact = dba::selectFirst('contact', [], ['id' => $event['cid'], 'uid' => $event['uid']]);
+
+		// Existing event being modified.
+		if ($event['id']) {
+			// has the event actually changed?
+			$existing_event = dba::selectFirst('event', ['edited'], ['id' => $event['id'], 'uid' => $event['uid']]);
+			if ((! DBM::is_result($existing_event)) || ($existing_event['edited'] === $event['edited'])) {
+
+				$item = dba::selectFirst('item', [], ['event-id' => $event['id'], 'uid' => $event['uid']]);
+
+				return DBM::is_result($item) ? $item['id'] : 0;
+			}
+
+			$updated_fields = [
+				'edited'   => $event['edited'],
+				'start'    => $event['start'],
+				'finish'   => $event['finish'],
+				'summary'  => $event['summary'],
+				'desc'     => $event['desc'],
+				'location' => $event['location'],
+				'type'     => $event['type'],
+				'adjust'   => $event['adjust'],
+				'nofinish' => $event['nofinish'],
+			];
+
+			dba::update('event', $updated_fields, ['id' => $event['cid'], 'uid' => $event['uid']]);
+
+			$item = dba::selectFirst('item', ['id'], ['event-id' => $event['id'], 'uid' => $event['uid']]);
+			if (DBM::is_result($item)) {
+				$object = '<object><type>' . xmlify(ACTIVITY_OBJ_EVENT) . '</type><title></title><id>' . xmlify($event['uri']) . '</id>';
+				$object .= '<content>' . xmlify(format_event_bbcode($event)) . '</content>';
+				$object .= '</object>' . "\n";
+
+				$fields = ['body' => format_event_bbcode($event), 'object' => $object, 'edited' => $event['edited']];
+				Item::update($fields, ['id' => $item['id']]);
+
+				$item_id = $item['id'];
+			} else {
+				$item_id = 0;
+			}
+
+			Addon::callHooks('event_updated', $event['id']);
+		} else {
+			$event['guid'] = get_guid(32);
+
+			// New event. Store it.
+			dba::insert('event', $event);
+
+			$event['id'] = dba::lastInsertId();
+
+			$item_arr = [];
+
+			$item_arr['uid']           = $event['uid'];
+			$item_arr['contact-id']    = $event['cid'];
+			$item_arr['uri']           = $event['uri'];
+			$item_arr['parent-uri']    = $event['uri'];
+			$item_arr['guid']          = $event['guid'];
+			$item_arr['type']          = 'activity';
+			$item_arr['wall']          = $event['cid'] ? 0 : 1;
+			$item_arr['contact-id']    = $contact['id'];
+			$item_arr['owner-name']    = $contact['name'];
+			$item_arr['owner-link']    = $contact['url'];
+			$item_arr['owner-avatar']  = $contact['thumb'];
+			$item_arr['author-name']   = $contact['name'];
+			$item_arr['author-link']   = $contact['url'];
+			$item_arr['author-avatar'] = $contact['thumb'];
+			$item_arr['title']         = '';
+			$item_arr['allow_cid']     = $event['allow_cid'];
+			$item_arr['allow_gid']     = $event['allow_gid'];
+			$item_arr['deny_cid']      = $event['deny_cid'];
+			$item_arr['deny_gid']      = $event['deny_gid'];
+			$item_arr['private']       = $event['private'];
+			$item_arr['visible']       = 1;
+			$item_arr['verb']          = ACTIVITY_POST;
+			$item_arr['object-type']   = ACTIVITY_OBJ_EVENT;
+			$item_arr['origin']        = $event['cid'] === 0 ? 1 : 0;
+			$item_arr['body']          = format_event_bbcode($event);
+			$item_arr['event-id']      = $event['id'];
+
+			$item_arr['object']  = '<object><type>' . xmlify(ACTIVITY_OBJ_EVENT) . '</type><title></title><id>' . xmlify($event['uri']) . '</id>';
+			$item_arr['object'] .= '<content>' . xmlify(format_event_bbcode($event)) . '</content>';
+			$item_arr['object'] .= '</object>' . "\n";
+
+			$item_id = Item::insert($item_arr);
+
+			Addon::callHooks("event_created", $event['id']);
+		}
+
+		return $item_id;
+	}
+
+	/**
+	 * @brief Create an array with translation strings used for events.
+	 *
+	 * @return array Array with translations strings.
+	 */
+	public static function getStrings()
+	{
+		// First day of the week (0 = Sunday).
+		$firstDay = PConfig::get(local_user(), 'system', 'first_day_of_week', 0);
+
+		$i18n = [
+			"firstDay" => $firstDay,
+			"allday"   => L10n::t("all-day"),
+
+			"Sun" => L10n::t("Sun"),
+			"Mon" => L10n::t("Mon"),
+			"Tue" => L10n::t("Tue"),
+			"Wed" => L10n::t("Wed"),
+			"Thu" => L10n::t("Thu"),
+			"Fri" => L10n::t("Fri"),
+			"Sat" => L10n::t("Sat"),
+
+			"Sunday"    => L10n::t("Sunday"),
+			"Monday"    => L10n::t("Monday"),
+			"Tuesday"   => L10n::t("Tuesday"),
+			"Wednesday" => L10n::t("Wednesday"),
+			"Thursday"  => L10n::t("Thursday"),
+			"Friday"    => L10n::t("Friday"),
+			"Saturday"  => L10n::t("Saturday"),
+
+			"Jan" => L10n::t("Jan"),
+			"Feb" => L10n::t("Feb"),
+			"Mar" => L10n::t("Mar"),
+			"Apr" => L10n::t("Apr"),
+			"May" => L10n::t("May"),
+			"Jun" => L10n::t("Jun"),
+			"Jul" => L10n::t("Jul"),
+			"Aug" => L10n::t("Aug"),
+			"Sep" => L10n::t("Sept"),
+			"Oct" => L10n::t("Oct"),
+			"Nov" => L10n::t("Nov"),
+			"Dec" => L10n::t("Dec"),
+
+			"January"   => L10n::t("January"),
+			"February"  => L10n::t("February"),
+			"March"     => L10n::t("March"),
+			"April"     => L10n::t("April"),
+			"May"       => L10n::t("May"),
+			"June"      => L10n::t("June"),
+			"July"      => L10n::t("July"),
+			"August"    => L10n::t("August"),
+			"September" => L10n::t("September"),
+			"October"   => L10n::t("October"),
+			"November"  => L10n::t("November"),
+			"December"  => L10n::t("December"),
+
+			"today" => L10n::t("today"),
+			"month" => L10n::t("month"),
+			"week"  => L10n::t("week"),
+			"day"   => L10n::t("day"),
+
+			"noevent" => L10n::t("No events to display"),
+
+			"dtstart_label"  => L10n::t("Starts:"),
+			"dtend_label"    => L10n::t("Finishes:"),
+			"location_label" => L10n::t("Location:")
+		];
+
+		return $i18n;
+	}
+
+	/**
+	 * @brief Removes duplicated birthday events.
+	 *
+	 * @param array $dates Array of possibly duplicated events.
+	 * @return array Cleaned events.
+	 *
+	 * @todo We should replace this with a separate update function if there is some time left.
+	 */
+	public static function removeDuplicates(array $dates)
+	{
+		$dates2 = [];
+
+		foreach ($dates as $date) {
+			if ($date['type'] == 'birthday') {
+				$dates2[$date['uid'] . "-" . $date['cid'] . "-" . $date['start']] = $date;
+			} else {
+				$dates2[] = $date;
+			}
+		}
+		return array_values($dates2);
+	}
+
+	/**
+	 * @brief Get an event by its event ID.
+	 *
+	 * @param int    $owner_uid The User ID of the owner of the event
+	 * @param int    $event_id  The ID of the event in the event table
+	 * @param string $sql_extra
+	 * @return array Query result
+	 */
+	public static function getListById($owner_uid, $event_id, $sql_extra = '')
+	{
+		$return = [];
+
+		// Ownly allow events if there is a valid owner_id.
+		if ($owner_uid == 0) {
+			return $return;
+		}
+
+		// Query for the event by event id
+		$r = q("SELECT `event`.*, `item`.`id` AS `itemid`,`item`.`plink`,
+				`item`.`author-name`, `item`.`author-avatar`, `item`.`author-link` FROM `event`
+			LEFT JOIN `item` ON `item`.`event-id` = `event`.`id` AND `item`.`uid` = `event`.`uid`
+			WHERE `event`.`uid` = %d AND `event`.`id` = %d $sql_extra",
+			intval($owner_uid),
+			intval($event_id)
+		);
+
+		if (DBM::is_result($r)) {
+			$return = event_remove_duplicates($r);
+		}
+
+		return $return;
+	}
+
+	/**
+	 * @brief Get all events in a specific time frame.
+	 *
+	 * @param int $owner_uid The User ID of the owner of the events.
+	 * @param array $event_params An associative array with
+	 *	int 'ignore' =>
+	 *	string 'start' => Start time of the timeframe.
+	 *	string 'finish' => Finish time of the timeframe.
+	 *	string 'adjust_start' =>
+	 *	string 'adjust_finish' =>
+	 *
+	 * @param string $sql_extra Additional sql conditions (e.g. permission request).
+	 *
+	 * @return array Query results.
+	 */
+	public static function getListByDate($owner_uid, $event_params, $sql_extra = '')
+	{
+		$return = [];
+
+		// Only allow events if there is a valid owner_id.
+		if ($owner_uid == 0) {
+			return $return;
+		}
+
+		// Query for the event by date.
+		$r = q("SELECT `event`.*, `item`.`id` AS `itemid`,`item`.`plink`,
+					`item`.`author-name`, `item`.`author-avatar`, `item`.`author-link` FROM `event`
+				LEFT JOIN `item` ON `item`.`event-id` = `event`.`id` AND `item`.`uid` = `event`.`uid`
+				WHERE `event`.`uid` = %d AND event.ignore = %d
+				AND ((`adjust` = 0 AND (`finish` >= '%s' OR (nofinish AND start >= '%s')) AND `start` <= '%s')
+				OR  (`adjust` = 1 AND (`finish` >= '%s' OR (nofinish AND start >= '%s')) AND `start` <= '%s'))
+				$sql_extra ",
+				intval($owner_uid),
+				intval($event_params["ignore"]),
+				dbesc($event_params["start"]),
+				dbesc($event_params["start"]),
+				dbesc($event_params["finish"]),
+				dbesc($event_params["adjust_start"]),
+				dbesc($event_params["adjust_start"]),
+				dbesc($event_params["adjust_finish"])
+		);
+
+		if (DBM::is_result($r)) {
+			$return = event_remove_duplicates($r);
+		}
+
+		return $return;
+	}
+
+	/**
+	 * @brief Convert an array query results in an array which could be used by the events template.
+	 *
+	 * @param array $event_result Event query array.
+	 * @return array Event array for the template.
+	 */
+	public static function prepareListForTemplate(array $event_result)
+	{
+		$event_list = [];
+
+		$last_date = '';
+		$fmt = L10n::t('l, F j');
+		foreach ($event_result as $event) {
+			$start = $event['adjust'] ? DateTimeFormat::local($event['start'], 'c')  : DateTimeFormat::utc($event['start'], 'c');
+			$j     = $event['adjust'] ? DateTimeFormat::local($event['start'], 'j')  : DateTimeFormat::utc($event['start'], 'j');
+			$day   = $event['adjust'] ? DateTimeFormat::local($event['start'], $fmt) : DateTimeFormat::utc($event['start'], $fmt);
+			$day   = day_translate($day);
+
+			if ($event['nofinish']) {
+				$end = null;
+			} else {
+				$end = $event['adjust'] ? DateTimeFormat::local($event['finish'], 'c') : DateTimeFormat::utc($event['finish'], 'c');
+			}
+
+			$is_first = ($day !== $last_date);
+
+			$last_date = $day;
+
+			// Show edit and drop actions only if the user is the owner of the event and the event
+			// is a real event (no bithdays).
+			$edit = null;
+			$copy = null;
+			$drop = null;
+			if (local_user() && local_user() == $event['uid'] && $event['type'] == 'event') {
+				$edit = !$event['cid'] ? [System::baseUrl() . '/events/event/' . $event['id'], L10n::t('Edit event')     , '', ''] : null;
+				$copy = !$event['cid'] ? [System::baseUrl() . '/events/copy/' . $event['id'] , L10n::t('Duplicate event'), '', ''] : null;
+				$drop =                  [System::baseUrl() . '/events/drop/' . $event['id'] , L10n::t('Delete event')   , '', ''];
+			}
+
+			$title = strip_tags(html_entity_decode(BBCode::convert($event['summary']), ENT_QUOTES, 'UTF-8'));
+			if (!$title) {
+				list($title, $_trash) = explode("<br", BBCode::convert($event['desc']), 2);
+				$title = strip_tags(html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
+			}
+
+			$html = format_event_html($event);
+			$event['desc']     = BBCode::convert($event['desc']);
+			$event['location'] = BBCode::convert($event['location']);
+			$event_list[] = [
+				'id'       => $event['id'],
+				'start'    => $start,
+				'end'      => $end,
+				'allDay'   => false,
+				'title'    => $title,
+				'j'        => $j,
+				'd'        => $day,
+				'edit'     => $edit,
+				'drop'     => $drop,
+				'copy'     => $copy,
+				'is_first' => $is_first,
+				'item'     => $event,
+				'html'     => $html,
+				'plink'    => [$event['plink'], L10n::t('link to source'), '', ''],
+			];
+		}
+
+		return $event_list;
+	}
+
+	/**
+	 * @brief Format event to export format (ical/csv).
+	 *
+	 * @param array  $events   Query result for events.
+	 * @param string $format   The output format (ical/csv).
+	 * @param string $timezone The timezone of the user (not implemented yet).
+	 *
+	 * @return string Content according to selected export format.
+	 *
+	 * @todo Implement timezone support
+	 */
+	public static function formatListForExport(array $events, $format, $timezone)
+	{
+		if (!count($events)) {
+			return '';
+		}
+
+		switch ($format) {
+			// Format the exported data as a CSV file.
+			case "csv":
+				header("Content-type: text/csv");
+				$o = '"Subject", "Start Date", "Start Time", "Description", "End Date", "End Time", "Location"' . PHP_EOL;
+
+				foreach ($events as $event) {
+					/// @todo The time / date entries don't include any information about the
+					/// timezone the event is scheduled in :-/
+					$tmp1 = strtotime($event['start']);
+					$tmp2 = strtotime($event['finish']);
+					$time_format = "%H:%M:%S";
+					$date_format = "%Y-%m-%d";
+
+					$o .= '"' . $event['summary'] . '", "' . strftime($date_format, $tmp1) .
+						'", "' . strftime($time_format, $tmp1) . '", "' . $event['desc'] .
+						'", "' . strftime($date_format, $tmp2) .
+						'", "' . strftime($time_format, $tmp2) .
+						'", "' . $event['location'] . '"' . PHP_EOL;
+				}
+				break;
+
+			// Format the exported data as a ics file.
+			case "ical":
+				header("Content-type: text/ics");
+				$o = 'BEGIN:VCALENDAR' . PHP_EOL
+					. 'VERSION:2.0' . PHP_EOL
+					. 'PRODID:-//friendica calendar export//0.1//EN' . PHP_EOL;
+				///  @todo include timezone informations in cases were the time is not in UTC
+				//  see http://tools.ietf.org/html/rfc2445#section-4.8.3
+				//		. 'BEGIN:VTIMEZONE' . PHP_EOL
+				//		. 'TZID:' . $timezone . PHP_EOL
+				//		. 'END:VTIMEZONE' . PHP_EOL;
+				//  TODO instead of PHP_EOL CRLF should be used for long entries
+				//       but test your solution against http://icalvalid.cloudapp.net/
+				//       also long lines SHOULD be split at 75 characters length
+				foreach ($events as $event) {
+					if ($event['adjust'] == 1) {
+						$UTC = 'Z';
+					} else {
+						$UTC = '';
+					}
+					$o .= 'BEGIN:VEVENT' . PHP_EOL;
+
+					if ($event['start']) {
+						$tmp = strtotime($event['start']);
+						$dtformat = "%Y%m%dT%H%M%S" . $UTC;
+						$o .= 'DTSTART:' . strftime($dtformat, $tmp) . PHP_EOL;
+					}
+
+					if (!$event['nofinish']) {
+						$tmp = strtotime($event['finish']);
+						$dtformat = "%Y%m%dT%H%M%S" . $UTC;
+						$o .= 'DTEND:' . strftime($dtformat, $tmp) . PHP_EOL;
+					}
+
+					if ($event['summary']) {
+						$tmp = $event['summary'];
+						$tmp = str_replace(PHP_EOL, PHP_EOL . ' ', $tmp);
+						$tmp = addcslashes($tmp, ',;');
+						$o .= 'SUMMARY:' . $tmp . PHP_EOL;
+					}
+
+					if ($event['desc']) {
+						$tmp = $event['desc'];
+						$tmp = str_replace(PHP_EOL, PHP_EOL . ' ', $tmp);
+						$tmp = addcslashes($tmp, ',;');
+						$o .= 'DESCRIPTION:' . $tmp . PHP_EOL;
+					}
+
+					if ($event['location']) {
+						$tmp = $event['location'];
+						$tmp = str_replace(PHP_EOL, PHP_EOL . ' ', $tmp);
+						$tmp = addcslashes($tmp, ',;');
+						$o .= 'LOCATION:' . $tmp . PHP_EOL;
+					}
+
+					$o .= 'END:VEVENT' . PHP_EOL;
+					$o .= PHP_EOL;
+				}
+
+				$o .= 'END:VCALENDAR' . PHP_EOL;
+				break;
+		}
+
+		return $o;
+	}
+
+	/**
+	 * @brief Get all events for a user ID.
+	 *
+	 *    The query for events is done permission sensitive.
+	 *    If the user is the owner of the calendar they
+	 *    will get all of their available events.
+	 *    If the user is only a visitor only the public events will
+	 *    be available.
+	 *
+	 * @param int $uid The user ID.
+	 *
+	 * @return array Query results.
+	 */
+	public static function getListByUserId($uid = 0)
+	{
+		$return = [];
+
+		if ($uid == 0) {
+			return $return;
+		}
+
+		$fields = ['start', 'finish', 'adjust', 'summary', 'desc', 'location', 'nofinish'];
+
+		$conditions = ['uid' => $uid, 'cid' => 0];
+
+		// Does the user who requests happen to be the owner of the events
+		// requested? then show all of your events, otherwise only those that
+		// don't have limitations set in allow_cid and allow_gid.
+		if (local_user() != $uid) {
+			$conditions += ['allow_cid' => '', 'allow_gid' => ''];
+		}
+
+		$events = dba::select('event', $fields, $conditions);
+		if (DBM::is_result($events)) {
+			$return = $events;
+		}
+
+		return $return;
+	}
+
+	/**
+	 *
+	 * @param int $uid The user ID.
+	 * @param string $format Output format (ical/csv).
+	 * @return array With the results:
+	 *	bool 'success' => True if the processing was successful,<br>
+	 *	string 'format' => The output format,<br>
+	 *	string 'extension' => The file extension of the output format,<br>
+	 *	string 'content' => The formatted output content.<br>
+	 *
+	 * @todo Respect authenticated users with events_by_uid().
+	 */
+	public static function exportListByUserId($uid, $format = 'ical')
+	{
+		$process = false;
+
+		$user = dba::selectFirst('user', ['timezone'], ['uid' => $uid]);
+		if (DBM::is_result($user)) {
+			$timezone = $user['timezone'];
+		}
+
+		// Get all events which are owned by a uid (respects permissions).
+		$events = events_by_uid($uid);
+
+		// We have the events that are available for the requestor.
+		// Now format the output according to the requested format.
+		$res = event_format_export($events, $format, $timezone);
+
+		// If there are results the precess was successfull.
+		if (!empty($res)) {
+			$process = true;
+		}
+
+		// Get the file extension for the format.
+		switch ($format) {
+			case "ical":
+				$file_ext = "ics";
+				break;
+
+			case "csv":
+				$file_ext = "csv";
+				break;
+
+			default:
+				$file_ext = "";
+		}
+
+		$return = [
+			'success'   => $process,
+			'format'    => $format,
+			'extension' => $file_ext,
+			'content'   => $res,
+		];
+
+		return $return;
+	}
+
+	/**
+	 * @brief Format an item array with event data to HTML.
+	 *
+	 * @param arr $item Array with item and event data.
+	 * @return string HTML output.
+	 */
+	public static function getItemHTML($item) {
+		$same_date = false;
+		$finish    = false;
+
+		// Set the different time formats.
+		$dformat       = L10n::t('l F d, Y \@ g:i A'); // Friday January 18, 2011 @ 8:01 AM.
+		$dformat_short = L10n::t('D g:i A'); // Fri 8:01 AM.
+		$tformat       = L10n::t('g:i A'); // 8:01 AM.
+
+		// Convert the time to different formats.
+		$dtstart_dt = day_translate(
+			$item['event-adjust'] ?
+				DateTimeFormat::local($item['event-start'], $dformat)
+				: DateTimeFormat::utc($item['event-start'], $dformat)
+		);
+		$dtstart_title = DateTimeFormat::utc($item['event-start'], $item['event-adjust'] ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s');
+		// Format: Jan till Dec.
+		$month_short = day_short_translate(
+			$item['event-adjust'] ?
+				DateTimeFormat::local($item['event-start'], 'M')
+				: DateTimeFormat::utc($item['event-start'], 'M')
+		);
+		// Format: 1 till 31.
+		$date_short = $item['event-adjust'] ?
+			DateTimeFormat::local($item['event-start'], 'j')
+			: DateTimeFormat::utc($item['event-start'], 'j');
+		$start_time = $item['event-adjust'] ?
+			DateTimeFormat::local($item['event-start'], $tformat)
+			: DateTimeFormat::utc($item['event-start'], $tformat);
+		$start_short = day_short_translate(
+			$item['event-adjust'] ?
+				DateTimeFormat::local($item['event-start'], $dformat_short)
+				: DateTimeFormat::utc($item['event-start'], $dformat_short)
+		);
+
+		// If the option 'nofinisch' isn't set, we need to format the finish date/time.
+		if (!$item['event-nofinish']) {
+			$finish = true;
+			$dtend_dt  = day_translate(
+				$item['event-adjust'] ?
+					DateTimeFormat::local($item['event-finish'], $dformat)
+					: DateTimeFormat::utc($item['event-finish'], $dformat)
+			);
+			$dtend_title = DateTimeFormat::utc($item['event-finish'], $item['event-adjust'] ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s');
+			$end_short = day_short_translate(
+				$item['event-adjust'] ?
+					DateTimeFormat::local($item['event-finish'], $dformat_short)
+					: DateTimeFormat::utc($item['event-finish'], $dformat_short)
+			);
+			$end_time = $item['event-adjust'] ?
+				DateTimeFormat::local($item['event-finish'], $tformat)
+				: DateTimeFormat::utc($item['event-finish'], $tformat);
+			// Check if start and finish time is at the same day.
+			if (substr($dtstart_title, 0, 10) === substr($dtend_title, 0, 10)) {
+				$same_date = true;
+			}
+		}
+
+		// Format the event location.
+		$location = event_location2array($item['event-location']);
+
+		// Construct the profile link (magic-auth).
+		$sp = false;
+		$profile_link = best_link_url($item, $sp);
+
+		if (!$sp) {
+			$profile_link = Profile::zrl($profile_link);
+		}
+
+		$tpl = get_markup_template('event_stream_item.tpl');
+		$return = replace_macros($tpl, [
+			'$id'             => $item['event-id'],
+			'$title'          => prepare_text($item['event-summary']),
+			'$dtstart_label'  => L10n::t('Starts:'),
+			'$dtstart_title'  => $dtstart_title,
+			'$dtstart_dt'     => $dtstart_dt,
+			'$finish'         => $finish,
+			'$dtend_label'    => L10n::t('Finishes:'),
+			'$dtend_title'    => $dtend_title,
+			'$dtend_dt'       => $dtend_dt,
+			'$month_short'    => $month_short,
+			'$date_short'     => $date_short,
+			'$same_date'      => $same_date,
+			'$start_time'     => $start_time,
+			'$start_short'    => $start_short,
+			'$end_time'       => $end_time,
+			'$end_short'      => $end_short,
+			'$author_name'    => $item['author-name'],
+			'$author_link'    => $profile_link,
+			'$author_avatar'  => $item['author-avatar'],
+			'$description'    => prepare_text($item['event-desc']),
+			'$location_label' => L10n::t('Location:'),
+			'$show_map_label' => L10n::t('Show map'),
+			'$hide_map_label' => L10n::t('Hide map'),
+			'$map_btn_label'  => L10n::t('Show map'),
+			'$location'       => $location
+		]);
+
+		return $return;
+	}
+
+	/**
+	 * @brief Format a string with map bbcode to an array with location data.
+	 *
+	 * Note: The string must only contain location data. A string with no bbcode will be
+	 * handled as location name.
+	 *
+	 * @param string $s The string with the bbcode formatted location data.
+	 *
+	 * @return array The array with the location data.
+	 *  'name' => The name of the location,<br>
+	 * 'address' => The address of the location,<br>
+	 * 'coordinates' => Latitude‎ and longitude‎ (e.g. '48.864716,2.349014').<br>
+	 */
+	public static function locationToArray($s = '') {
+		if ($s == '') {
+			return [];
+		}
+
+		$location = ['name' => $s];
+
+		// Map tag with location name - e.g. [map]Paris[/map].
+		if (strpos($s, '[/map]') !== false) {
+			$found = preg_match("/\[map\](.*?)\[\/map\]/ism", $s, $match);
+			if (intval($found) > 0 && array_key_exists(1, $match)) {
+				$location['address'] =  $match[1];
+				// Remove the map bbcode from the location name.
+				$location['name'] = str_replace($match[0], "", $s);
+			}
+		// Map tag with coordinates - e.g. [map=48.864716,2.349014].
+		} elseif (strpos($s, '[map=') !== false) {
+			$found = preg_match("/\[map=(.*?)\]/ism", $s, $match);
+			if (intval($found) > 0 && array_key_exists(1, $match)) {
+				$location['coordinates'] =  $match[1];
+				// Remove the map bbcode from the location name.
+				$location['name'] = str_replace($match[0], "", $s);
+			}
+		}
+
+		$location['name'] = prepare_text($location['name']);
+
+		// Construct the map HTML.
+		if (isset($location['address'])) {
+			$location['map'] = '<div class="map">' . Map::byLocation($location['address']) . '</div>';
+		} elseif (isset($location['coordinates'])) {
+			$location['map'] = '<div class="map">' . Map::byCoordinates(str_replace('/', ' ', $location['coordinates'])) . '</div>';
+		}
+
+		return $location;
+	}
+}