src/Model/Event.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Model;
  23
  24 use Friendica\Content\Text\BBCode;
  25 use Friendica\Core\Hook;
  26 use Friendica\Core\Logger;
  27 use Friendica\Core\Protocol;
  28 use Friendica\Core\Renderer;
  29 use Friendica\Core\System;
  30 use Friendica\Database\DBA;
  31 use Friendica\DI;
  32 use Friendica\Protocol\Activity;
  33 use Friendica\Util\DateTimeFormat;
  34 use Friendica\Util\Map;
  35 use Friendica\Util\Strings;
  36 use Friendica\Util\XML;
  37
  38 /**
  39  * functions for interacting with the event database table
  40  */
  41 class Event
  42 {
  43
  44         public static function getHTML(array $event, $simple = false, $uriid = 0)
  45         {
  46                 if (empty($event)) {
  47                         return '';
  48                 }
  49
  50                 $uriid = $event['uri-id'] ?? $uriid;
  51
  52                 $bd_format = DI::l10n()->t('l F d, Y \@ g:i A'); // Friday January 18, 2011 @ 8 AM.
  53
  54                 $event_start = DI::l10n()->getDay(
  55                         !empty($event['adjust']) ?
  56                         DateTimeFormat::local($event['start'], $bd_format) : DateTimeFormat::utc($event['start'], $bd_format)
  57                 );
  58
  59                 if (!empty($event['finish'])) {
  60                         $event_end = DI::l10n()->getDay(
  61                                 !empty($event['adjust']) ?
  62                                 DateTimeFormat::local($event['finish'], $bd_format) : DateTimeFormat::utc($event['finish'], $bd_format)
  63                         );
  64                 } else {
  65                         $event_end = '';
  66                 }
  67
  68                 if ($simple) {
  69                         $o = '';
  70
  71                         if (!empty($event['summary'])) {
  72                                 $o .= "<h3>" . BBCode::convertForUriId($uriid, Strings::escapeHtml($event['summary']), $simple) . "</h3>";
  73                         }
  74
  75                         if (!empty($event['desc'])) {
  76                                 $o .= "<div>" . BBCode::convertForUriId($uriid, Strings::escapeHtml($event['desc']), $simple) . "</div>";
  77                         }
  78
  79                         $o .= "<h4>" . DI::l10n()->t('Starts:') . "</h4><p>" . $event_start . "</p>";
  80
  81                         if (!$event['nofinish']) {
  82                                 $o .= "<h4>" . DI::l10n()->t('Finishes:') . "</h4><p>" . $event_end . "</p>";
  83                         }
  84
  85                         if (!empty($event['location'])) {
  86                                 $o .= "<h4>" . DI::l10n()->t('Location:') . "</h4><p>" . BBCode::convertForUriId($uriid, Strings::escapeHtml($event['location']), $simple) . "</p>";
  87                         }
  88
  89                         return $o;
  90                 }
  91
  92                 $o = '<div class="vevent">' . "\r\n";
  93
  94                 $o .= '<div class="summary event-summary">' . BBCode::convertForUriId($uriid, Strings::escapeHtml($event['summary']), $simple) . '</div>' . "\r\n";
  95
  96                 $o .= '<div class="event-start"><span class="event-label">' . DI::l10n()->t('Starts:') . '</span>&nbsp;<span class="dtstart" title="'
  97                         . DateTimeFormat::utc($event['start'], (!empty($event['adjust']) ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s'))
  98                         . '" >' . $event_start
  99                         . '</span></div>' . "\r\n";
 100
 101                 if (!$event['nofinish']) {
 102                         $o .= '<div class="event-end" ><span class="event-label">' . DI::l10n()->t('Finishes:') . '</span>&nbsp;<span class="dtend" title="'
 103                                 . DateTimeFormat::utc($event['finish'], (!empty($event['adjust']) ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s'))
 104                                 . '" >' . $event_end
 105                                 . '</span></div>' . "\r\n";
 106                 }
 107
 108                 if (!empty($event['desc'])) {
 109                         $o .= '<div class="description event-description">' . BBCode::convertForUriId($uriid, Strings::escapeHtml($event['desc']), $simple) . '</div>' . "\r\n";
 110                 }
 111
 112                 if (!empty($event['location'])) {
 113                         $o .= '<div class="event-location"><span class="event-label">' . DI::l10n()->t('Location:') . '</span>&nbsp;<span class="location">'
 114                                 . BBCode::convertForUriId($uriid, Strings::escapeHtml($event['location']), $simple)
 115                                 . '</span></div>' . "\r\n";
 116
 117                         // Include a map of the location if the [map] BBCode is used.
 118                         if (strpos($event['location'], "[map") !== false) {
 119                                 $map = Map::byLocation($event['location'], $simple);
 120                                 if ($map !== $event['location']) {
 121                                         $o .= $map;
 122                                 }
 123                         }
 124                 }
 125
 126                 $o .= '</div>' . "\r\n";
 127                 return $o;
 128         }
 129
 130         /**
 131          * Convert an array with event data to bbcode.
 132          *
 133          * @param array $event Array which contains the event data.
 134          * @return string The event as a bbcode formatted string.
 135          */
 136         private static function getBBCode(array $event)
 137         {
 138                 $o = '';
 139
 140                 if ($event['summary']) {
 141                         $o .= '[event-summary]' . $event['summary'] . '[/event-summary]';
 142                 }
 143
 144                 if ($event['desc']) {
 145                         $o .= '[event-description]' . $event['desc'] . '[/event-description]';
 146                 }
 147
 148                 if ($event['start']) {
 149                         $o .= '[event-start]' . $event['start'] . '[/event-start]';
 150                 }
 151
 152                 if (($event['finish']) && (!$event['nofinish'])) {
 153                         $o .= '[event-finish]' . $event['finish'] . '[/event-finish]';
 154                 }
 155
 156                 if ($event['location']) {
 157                         $o .= '[event-location]' . $event['location'] . '[/event-location]';
 158                 }
 159
 160                 if ($event['adjust']) {
 161                         $o .= '[event-adjust]' . $event['adjust'] . '[/event-adjust]';
 162                 }
 163
 164                 return $o;
 165         }
 166
 167         /**
 168          * Extract bbcode formatted event data from a string.
 169          *
 170          * @params: string $s The string which should be parsed for event data.
 171          * @param $text
 172          * @return array The array with the event information.
 173          */
 174         public static function fromBBCode($text)
 175         {
 176                 $ev = [];
 177
 178                 $match = [];
 179                 if (preg_match("/\[event\-summary\](.*?)\[\/event\-summary\]/is", $text, $match)) {
 180                         $ev['summary'] = $match[1];
 181                 }
 182
 183                 $match = [];
 184                 if (preg_match("/\[event\-description\](.*?)\[\/event\-description\]/is", $text, $match)) {
 185                         $ev['desc'] = $match[1];
 186                 }
 187
 188                 $match = [];
 189                 if (preg_match("/\[event\-start\](.*?)\[\/event\-start\]/is", $text, $match)) {
 190                         $ev['start'] = $match[1];
 191                 }
 192
 193                 $match = [];
 194                 if (preg_match("/\[event\-finish\](.*?)\[\/event\-finish\]/is", $text, $match)) {
 195                         $ev['finish'] = $match[1];
 196                 }
 197
 198                 $match = [];
 199                 if (preg_match("/\[event\-location\](.*?)\[\/event\-location\]/is", $text, $match)) {
 200                         $ev['location'] = $match[1];
 201                 }
 202
 203                 $match = [];
 204                 if (preg_match("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is", $text, $match)) {
 205                         $ev['adjust'] = $match[1];
 206                 }
 207
 208                 $ev['nofinish'] = !empty($ev['start']) && empty($ev['finish']) ? 1 : 0;
 209
 210                 return $ev;
 211         }
 212
 213         public static function sortByDate($event_list)
 214         {
 215                 usort($event_list, ['self', 'compareDatesCallback']);
 216                 return $event_list;
 217         }
 218
 219         private static function compareDatesCallback($event_a, $event_b)
 220         {
 221                 $date_a = (($event_a['adjust']) ? DateTimeFormat::local($event_a['start']) : $event_a['start']);
 222                 $date_b = (($event_b['adjust']) ? DateTimeFormat::local($event_b['start']) : $event_b['start']);
 223
 224                 if ($date_a === $date_b) {
 225                         return strcasecmp($event_a['desc'], $event_b['desc']);
 226                 }
 227
 228                 return strcmp($date_a, $date_b);
 229         }
 230
 231         /**
 232          * Delete an event from the event table.
 233          *
 234          * Note: This function does only delete the event from the event table not its
 235          * related entry in the item table.
 236          *
 237          * @param int $event_id Event ID.
 238          * @return void
 239          * @throws \Exception
 240          */
 241         public static function delete($event_id)
 242         {
 243                 if ($event_id == 0) {
 244                         return;
 245                 }
 246
 247                 DBA::delete('event', ['id' => $event_id]);
 248                 Logger::log("Deleted event ".$event_id, Logger::DEBUG);
 249         }
 250
 251         /**
 252          * Store the event.
 253          *
 254          * Store the event in the event table and create an event item in the item table.
 255          *
 256          * @param array $arr Array with event data.
 257          * @return int The new event id.
 258          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 259          */
 260         public static function store($arr)
 261         {
 262                 $event = [];
 263                 $event['id']        = intval($arr['id']        ?? 0);
 264                 $event['uid']       = intval($arr['uid']       ?? 0);
 265                 $event['cid']       = intval($arr['cid']       ?? 0);
 266                 $event['guid']      =       ($arr['guid']      ?? '') ?: System::createUUID();
 267                 $event['uri']       =       ($arr['uri']       ?? '') ?: Item::newURI($event['uid'], $event['guid']);
 268                 $event['uri-id']    = ItemURI::insert(['uri' => $event['uri'], 'guid' => $event['guid']]);
 269                 $event['type']      =       ($arr['type']      ?? '') ?: 'event';
 270                 $event['summary']   =        $arr['summary']   ?? '';
 271                 $event['desc']      =        $arr['desc']      ?? '';
 272                 $event['location']  =        $arr['location']  ?? '';
 273                 $event['allow_cid'] =        $arr['allow_cid'] ?? '';
 274                 $event['allow_gid'] =        $arr['allow_gid'] ?? '';
 275                 $event['deny_cid']  =        $arr['deny_cid']  ?? '';
 276                 $event['deny_gid']  =        $arr['deny_gid']  ?? '';
 277                 $event['adjust']    = intval($arr['adjust']    ?? 0);
 278                 $event['nofinish']  = intval($arr['nofinish'] ?? (!empty($event['start']) && empty($event['finish'])));
 279
 280                 $event['created']   = DateTimeFormat::utc(($arr['created'] ?? '') ?: 'now');
 281                 $event['edited']    = DateTimeFormat::utc(($arr['edited']  ?? '') ?: 'now');
 282                 $event['start']     = DateTimeFormat::utc(($arr['start']   ?? '') ?: DBA::NULL_DATETIME);
 283                 $event['finish']    = DateTimeFormat::utc(($arr['finish']  ?? '') ?: DBA::NULL_DATETIME);
 284                 if ($event['finish'] < DBA::NULL_DATETIME) {
 285                         $event['finish'] = DBA::NULL_DATETIME;
 286                 }
 287
 288                 // Existing event being modified.
 289                 if ($event['id']) {
 290                         // has the event actually changed?
 291                         $existing_event = DBA::selectFirst('event', ['edited'], ['id' => $event['id'], 'uid' => $event['uid']]);
 292                         if (!DBA::isResult($existing_event)) {
 293                                 return 0;
 294                         }
 295
 296                         if ($existing_event['edited'] === $event['edited']) {
 297                                 return $event['id'];
 298                         }
 299
 300                         $updated_fields = [
 301                                 'edited'   => $event['edited'],
 302                                 'start'    => $event['start'],
 303                                 'finish'   => $event['finish'],
 304                                 'summary'  => $event['summary'],
 305                                 'desc'     => $event['desc'],
 306                                 'location' => $event['location'],
 307                                 'type'     => $event['type'],
 308                                 'adjust'   => $event['adjust'],
 309                                 'nofinish' => $event['nofinish'],
 310                         ];
 311
 312                         DBA::update('event', $updated_fields, ['id' => $event['id'], 'uid' => $event['uid']]);
 313
 314                         $item = Post::selectFirst(['id', 'uri-id'], ['event-id' => $event['id'], 'uid' => $event['uid']]);
 315                         if (DBA::isResult($item)) {
 316                                 $object = '<object><type>' . XML::escape(Activity\ObjectType::EVENT) . '</type><title></title><id>' . XML::escape($event['uri']) . '</id>';
 317                                 $object .= '<content>' . XML::escape(self::getBBCode($event)) . '</content>';
 318                                 $object .= '</object>' . "\n";
 319
 320                                 $fields = ['body' => self::getBBCode($event), 'object' => $object, 'edited' => $event['edited']];
 321                                 Item::update($fields, ['id' => $item['id']]);
 322                         }
 323
 324                         Hook::callAll('event_updated', $event['id']);
 325                 } else {
 326                         // New event. Store it.
 327                         DBA::insert('event', $event);
 328
 329                         $event['id'] = DBA::lastInsertId();
 330
 331                         Hook::callAll("event_created", $event['id']);
 332                 }
 333
 334                 return $event['id'];
 335         }
 336
 337         public static function getItemArrayForId(int $event_id, array $item = []):array
 338         {
 339                 if (empty($event_id)) {
 340                         return [];
 341                 }
 342
 343                 $event = DBA::selectFirst('event', [], ['id' => $event_id]);
 344                 if ($event['type'] != 'event') {
 345                         return [];
 346                 }
 347
 348                 if ($event['cid']) {
 349                         $conditions = ['id' => $event['cid']];
 350                 } else {
 351                         $conditions = ['uid' => $event['uid'], 'self' => true];
 352                 }
 353
 354                 $contact = DBA::selectFirst('contact', [], $conditions);
 355
 356                 $event['id'] = $event_id;
 357
 358                 $item['uid']           = $event['uid'];
 359                 $item['contact-id']    = $event['cid'];
 360                 $item['uri']           = $event['uri'];
 361                 $item['uri-id']        = ItemURI::getIdByURI($event['uri']);
 362                 $item['guid']          = $event['guid'];
 363                 $item['plink']         = $arr['plink'] ?? '';
 364                 $item['post-type']     = Item::PT_EVENT;
 365                 $item['wall']          = $event['cid'] ? 0 : 1;
 366                 $item['contact-id']    = $contact['id'];
 367                 $item['owner-name']    = $contact['name'];
 368                 $item['owner-link']    = $contact['url'];
 369                 $item['owner-avatar']  = $contact['thumb'];
 370                 $item['author-name']   = $contact['name'];
 371                 $item['author-link']   = $contact['url'];
 372                 $item['author-avatar'] = $contact['thumb'];
 373                 $item['title']         = '';
 374                 $item['allow_cid']     = $event['allow_cid'];
 375                 $item['allow_gid']     = $event['allow_gid'];
 376                 $item['deny_cid']      = $event['deny_cid'];
 377                 $item['deny_gid']      = $event['deny_gid'];
 378                 $item['private']       = intval($event['private'] ?? 0);;
 379                 $item['visible']       = 1;
 380                 $item['verb']          = Activity::POST;
 381                 $item['object-type']   = Activity\ObjectType::EVENT;
 382                 $item['post-type']     = Item::PT_EVENT;
 383                 $item['origin']        = $event['cid'] === 0 ? 1 : 0;
 384                 $item['body']          = self::getBBCode($event);
 385                 $item['event-id']      = $event['id'];
 386
 387                 $item['object']  = '<object><type>' . XML::escape(Activity\ObjectType::EVENT) . '</type><title></title><id>' . XML::escape($event['uri']) . '</id>';
 388                 $item['object'] .= '<content>' . XML::escape(self::getBBCode($event)) . '</content>';
 389                 $item['object'] .= '</object>' . "\n";
 390
 391                 return $item;
 392         }
 393
 394         /**
 395          * Create an array with translation strings used for events.
 396          *
 397          * @return array Array with translations strings.
 398          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 399          */
 400         public static function getStrings()
 401         {
 402                 // First day of the week (0 = Sunday).
 403                 $firstDay = DI::pConfig()->get(local_user(), 'system', 'first_day_of_week', 0);
 404
 405                 $i18n = [
 406                         "firstDay" => $firstDay,
 407                         "allday"   => DI::l10n()->t("all-day"),
 408
 409                         "Sun" => DI::l10n()->t("Sun"),
 410                         "Mon" => DI::l10n()->t("Mon"),
 411                         "Tue" => DI::l10n()->t("Tue"),
 412                         "Wed" => DI::l10n()->t("Wed"),
 413                         "Thu" => DI::l10n()->t("Thu"),
 414                         "Fri" => DI::l10n()->t("Fri"),
 415                         "Sat" => DI::l10n()->t("Sat"),
 416
 417                         "Sunday"    => DI::l10n()->t("Sunday"),
 418                         "Monday"    => DI::l10n()->t("Monday"),
 419                         "Tuesday"   => DI::l10n()->t("Tuesday"),
 420                         "Wednesday" => DI::l10n()->t("Wednesday"),
 421                         "Thursday"  => DI::l10n()->t("Thursday"),
 422                         "Friday"    => DI::l10n()->t("Friday"),
 423                         "Saturday"  => DI::l10n()->t("Saturday"),
 424
 425                         "Jan" => DI::l10n()->t("Jan"),
 426                         "Feb" => DI::l10n()->t("Feb"),
 427                         "Mar" => DI::l10n()->t("Mar"),
 428                         "Apr" => DI::l10n()->t("Apr"),
 429                         "May" => DI::l10n()->t("May"),
 430                         "Jun" => DI::l10n()->t("Jun"),
 431                         "Jul" => DI::l10n()->t("Jul"),
 432                         "Aug" => DI::l10n()->t("Aug"),
 433                         "Sep" => DI::l10n()->t("Sept"),
 434                         "Oct" => DI::l10n()->t("Oct"),
 435                         "Nov" => DI::l10n()->t("Nov"),
 436                         "Dec" => DI::l10n()->t("Dec"),
 437
 438                         "January"   => DI::l10n()->t("January"),
 439                         "February"  => DI::l10n()->t("February"),
 440                         "March"     => DI::l10n()->t("March"),
 441                         "April"     => DI::l10n()->t("April"),
 442                         "June"      => DI::l10n()->t("June"),
 443                         "July"      => DI::l10n()->t("July"),
 444                         "August"    => DI::l10n()->t("August"),
 445                         "September" => DI::l10n()->t("September"),
 446                         "October"   => DI::l10n()->t("October"),
 447                         "November"  => DI::l10n()->t("November"),
 448                         "December"  => DI::l10n()->t("December"),
 449
 450                         "today" => DI::l10n()->t("today"),
 451                         "month" => DI::l10n()->t("month"),
 452                         "week"  => DI::l10n()->t("week"),
 453                         "day"   => DI::l10n()->t("day"),
 454
 455                         "noevent" => DI::l10n()->t("No events to display"),
 456
 457                         "dtstart_label"  => DI::l10n()->t("Starts:"),
 458                         "dtend_label"    => DI::l10n()->t("Finishes:"),
 459                         "location_label" => DI::l10n()->t("Location:")
 460                 ];
 461
 462                 return $i18n;
 463         }
 464
 465         /**
 466          * Removes duplicated birthday events.
 467          *
 468          * @param array $dates Array of possibly duplicated events.
 469          * @return array Cleaned events.
 470          *
 471          * @todo We should replace this with a separate update function if there is some time left.
 472          */
 473         private static function removeDuplicates(array $dates)
 474         {
 475                 $dates2 = [];
 476
 477                 foreach ($dates as $date) {
 478                         if ($date['type'] == 'birthday') {
 479                                 $dates2[$date['uid'] . "-" . $date['cid'] . "-" . $date['start']] = $date;
 480                         } else {
 481                                 $dates2[] = $date;
 482                         }
 483                 }
 484                 return array_values($dates2);
 485         }
 486
 487         /**
 488          * Get an event by its event ID.
 489          *
 490          * @param int    $owner_uid The User ID of the owner of the event
 491          * @param int    $event_id  The ID of the event in the event table
 492          * @param string $sql_extra
 493          * @return array Query result
 494          * @throws \Exception
 495          */
 496         public static function getListById($owner_uid, $event_id, $sql_extra = '')
 497         {
 498                 $return = [];
 499
 500                 // Ownly allow events if there is a valid owner_id.
 501                 if ($owner_uid == 0) {
 502                         return $return;
 503                 }
 504
 505                 // Query for the event by event id
 506                 $events = DBA::toArray(DBA::p("SELECT `event`.*, `post-user`.`id` AS `itemid` FROM `event`
 507                         LEFT JOIN `post-user` ON `post-user`.`event-id` = `event`.`id` AND `post-user`.`uid` = `event`.`uid`
 508                         WHERE `event`.`uid` = ? AND `event`.`id` = ? $sql_extra",
 509                         $owner_uid, $event_id));
 510
 511                 if (DBA::isResult($events)) {
 512                         $return = self::removeDuplicates($events);
 513                 }
 514
 515                 return $return;
 516         }
 517
 518         /**
 519          * Get all events in a specific time frame.
 520          *
 521          * @param int    $owner_uid    The User ID of the owner of the events.
 522          * @param array  $event_params An associative array with
 523          *                             int 'ignore' =>
 524          *                             string 'start' => Start time of the timeframe.
 525          *                             string 'finish' => Finish time of the timeframe.
 526          *                             string 'adjust_start' =>
 527          *                             string 'adjust_finish' =>
 528          *
 529          * @param string $sql_extra    Additional sql conditions (e.g. permission request).
 530          *
 531          * @return array Query results.
 532          * @throws \Exception
 533          */
 534         public static function getListByDate($owner_uid, $event_params, $sql_extra = '')
 535         {
 536                 $return = [];
 537
 538                 // Only allow events if there is a valid owner_id.
 539                 if ($owner_uid == 0) {
 540                         return $return;
 541                 }
 542
 543                 // Query for the event by date.
 544                 $events = DBA::toArray(DBA::p("SELECT `event`.*, `post-user`.`id` AS `itemid` FROM `event`
 545                                 LEFT JOIN `post-user` ON `post-user`.`event-id` = `event`.`id` AND `post-user`.`uid` = `event`.`uid`
 546                                 WHERE `event`.`uid` = ? AND `event`.`ignore` = ?
 547                                 AND ((NOT `adjust` AND (`finish` >= ? OR (`nofinish` AND `start` >= ?)) AND `start` <= ?)
 548                                 OR  (`adjust` AND (`finish` >= ? OR (`nofinish` AND `start` >= ?)) AND `start` <= ?))" . $sql_extra,
 549                                 $owner_uid, $event_params["ignore"],
 550                                 $event_params["start"], $event_params["start"], $event_params["finish"],
 551                                 $event_params["adjust_start"], $event_params["adjust_start"], $event_params["adjust_finish"]));
 552
 553                 if (DBA::isResult($events)) {
 554                         $return = self::removeDuplicates($events);
 555                 }
 556
 557                 return $return;
 558         }
 559
 560         /**
 561          * Convert an array query results in an array which could be used by the events template.
 562          *
 563          * @param array $event_result Event query array.
 564          * @return array Event array for the template.
 565          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 566          * @throws \ImagickException
 567          */
 568         public static function prepareListForTemplate(array $event_result)
 569         {
 570                 $event_list = [];
 571
 572                 $last_date = '';
 573                 $fmt = DI::l10n()->t('l, F j');
 574                 foreach ($event_result as $event) {
 575                         $item = Post::selectFirst(['plink', 'author-name', 'author-avatar', 'author-link', 'private', 'uri-id'], ['id' => $event['itemid']]);
 576                         if (!DBA::isResult($item)) {
 577                                 // Using default values when no item had been found
 578                                 $item = ['plink' => '', 'author-name' => '', 'author-avatar' => '', 'author-link' => '', 'private' => Item::PUBLIC, 'uri-id' => ($event['uri-id'] ?? 0)];
 579                         }
 580
 581                         $event = array_merge($event, $item);
 582
 583                         $start = $event['adjust'] ? DateTimeFormat::local($event['start'], 'c')  : DateTimeFormat::utc($event['start'], 'c');
 584                         $j     = $event['adjust'] ? DateTimeFormat::local($event['start'], 'j')  : DateTimeFormat::utc($event['start'], 'j');
 585                         $day   = $event['adjust'] ? DateTimeFormat::local($event['start'], $fmt) : DateTimeFormat::utc($event['start'], $fmt);
 586                         $day   = DI::l10n()->getDay($day);
 587
 588                         if ($event['nofinish']) {
 589                                 $end = null;
 590                         } else {
 591                                 $end = $event['adjust'] ? DateTimeFormat::local($event['finish'], 'c') : DateTimeFormat::utc($event['finish'], 'c');
 592                         }
 593
 594                         $is_first = ($day !== $last_date);
 595
 596                         $last_date = $day;
 597
 598                         // Show edit and drop actions only if the user is the owner of the event and the event
 599                         // is a real event (no bithdays).
 600                         $edit = null;
 601                         $copy = null;
 602                         $drop = null;
 603                         if (local_user() && local_user() == $event['uid'] && $event['type'] == 'event') {
 604                                 $edit = !$event['cid'] ? [DI::baseUrl() . '/events/event/' . $event['id'], DI::l10n()->t('Edit event')     , '', ''] : null;
 605                                 $copy = !$event['cid'] ? [DI::baseUrl() . '/events/copy/' . $event['id'] , DI::l10n()->t('Duplicate event'), '', ''] : null;
 606                                 $drop =                  [DI::baseUrl() . '/events/drop/' . $event['id'] , DI::l10n()->t('Delete event')   , '', ''];
 607                         }
 608
 609                         $title = BBCode::convertForUriId($event['uri-id'], Strings::escapeHtml($event['summary']));
 610                         if (!$title) {
 611                                 list($title, $_trash) = explode("<br", BBCode::convertForUriId($event['uri-id'], Strings::escapeHtml($event['desc'])), BBCode::API);
 612                         }
 613
 614                         $author_link = $event['author-link'];
 615
 616                         $event['author-link'] = Contact::magicLink($author_link);
 617
 618                         $html = self::getHTML($event);
 619                         $event['summary']  = BBCode::convertForUriId($event['uri-id'], Strings::escapeHtml($event['summary']));
 620                         $event['desc']     = BBCode::convertForUriId($event['uri-id'], Strings::escapeHtml($event['desc']));
 621                         $event['location'] = BBCode::convertForUriId($event['uri-id'], Strings::escapeHtml($event['location']));
 622                         $event_list[] = [
 623                                 'id'       => $event['id'],
 624                                 'start'    => $start,
 625                                 'end'      => $end,
 626                                 'allDay'   => false,
 627                                 'title'    => $title,
 628                                 'j'        => $j,
 629                                 'd'        => $day,
 630                                 'edit'     => $edit,
 631                                 'drop'     => $drop,
 632                                 'copy'     => $copy,
 633                                 'is_first' => $is_first,
 634                                 'item'     => $event,
 635                                 'html'     => $html,
 636                                 'plink'    => Item::getPlink($event),
 637                         ];
 638                 }
 639
 640                 return $event_list;
 641         }
 642
 643         /**
 644          * Format event to export format (ical/csv).
 645          *
 646          * @param array  $events Query result for events.
 647          * @param string $format The output format (ical/csv).
 648          *
 649          * @param        $timezone
 650          * @return string Content according to selected export format.
 651          *
 652          * @todo  Implement timezone support
 653          */
 654         private static function formatListForExport(array $events, $format)
 655         {
 656                 $o = '';
 657
 658                 if (!count($events)) {
 659                         return $o;
 660                 }
 661
 662                 switch ($format) {
 663                         // Format the exported data as a CSV file.
 664                         case "csv":
 665                                 header("Content-type: text/csv");
 666                                 $o .= '"Subject", "Start Date", "Start Time", "Description", "End Date", "End Time", "Location"' . PHP_EOL;
 667
 668                                 foreach ($events as $event) {
 669                                         /// @todo The time / date entries don't include any information about the
 670                                         /// timezone the event is scheduled in :-/
 671                                         $tmp1 = strtotime($event['start']);
 672                                         $tmp2 = strtotime($event['finish']);
 673                                         $time_format = "%H:%M:%S";
 674                                         $date_format = "%Y-%m-%d";
 675
 676                                         $o .= '"' . $event['summary'] . '", "' . strftime($date_format, $tmp1) .
 677                                                 '", "' . strftime($time_format, $tmp1) . '", "' . $event['desc'] .
 678                                                 '", "' . strftime($date_format, $tmp2) .
 679                                                 '", "' . strftime($time_format, $tmp2) .
 680                                                 '", "' . $event['location'] . '"' . PHP_EOL;
 681                                 }
 682                                 break;
 683
 684                         // Format the exported data as a ics file.
 685                         case "ical":
 686                                 header("Content-type: text/ics");
 687                                 $o = 'BEGIN:VCALENDAR' . PHP_EOL
 688                                         . 'VERSION:2.0' . PHP_EOL
 689                                         . 'PRODID:-//friendica calendar export//0.1//EN' . PHP_EOL;
 690                                 ///  @todo include timezone informations in cases were the time is not in UTC
 691                                 //  see http://tools.ietf.org/html/rfc2445#section-4.8.3
 692                                 //              . 'BEGIN:VTIMEZONE' . PHP_EOL
 693                                 //              . 'TZID:' . $timezone . PHP_EOL
 694                                 //              . 'END:VTIMEZONE' . PHP_EOL;
 695                                 //  TODO instead of PHP_EOL CRLF should be used for long entries
 696                                 //       but test your solution against http://icalvalid.cloudapp.net/
 697                                 //       also long lines SHOULD be split at 75 characters length
 698                                 foreach ($events as $event) {
 699                                         if ($event['adjust'] == 1) {
 700                                                 $UTC = 'Z';
 701                                         } else {
 702                                                 $UTC = '';
 703                                         }
 704                                         $o .= 'BEGIN:VEVENT' . PHP_EOL;
 705
 706                                         if ($event['start']) {
 707                                                 $tmp = strtotime($event['start']);
 708                                                 $dtformat = "%Y%m%dT%H%M%S" . $UTC;
 709                                                 $o .= 'DTSTART:' . strftime($dtformat, $tmp) . PHP_EOL;
 710                                         }
 711
 712                                         if (!$event['nofinish']) {
 713                                                 $tmp = strtotime($event['finish']);
 714                                                 $dtformat = "%Y%m%dT%H%M%S" . $UTC;
 715                                                 $o .= 'DTEND:' . strftime($dtformat, $tmp) . PHP_EOL;
 716                                         }
 717
 718                                         if ($event['summary']) {
 719                                                 $tmp = $event['summary'];
 720                                                 $tmp = str_replace(PHP_EOL, PHP_EOL . ' ', $tmp);
 721                                                 $tmp = addcslashes($tmp, ',;');
 722                                                 $o .= 'SUMMARY:' . $tmp . PHP_EOL;
 723                                         }
 724
 725                                         if ($event['desc']) {
 726                                                 $tmp = $event['desc'];
 727                                                 $tmp = str_replace(PHP_EOL, PHP_EOL . ' ', $tmp);
 728                                                 $tmp = addcslashes($tmp, ',;');
 729                                                 $o .= 'DESCRIPTION:' . $tmp . PHP_EOL;
 730                                         }
 731
 732                                         if ($event['location']) {
 733                                                 $tmp = $event['location'];
 734                                                 $tmp = str_replace(PHP_EOL, PHP_EOL . ' ', $tmp);
 735                                                 $tmp = addcslashes($tmp, ',;');
 736                                                 $o .= 'LOCATION:' . $tmp . PHP_EOL;
 737                                         }
 738
 739                                         $o .= 'END:VEVENT' . PHP_EOL;
 740                                         $o .= PHP_EOL;
 741                                 }
 742
 743                                 $o .= 'END:VCALENDAR' . PHP_EOL;
 744                                 break;
 745                 }
 746
 747                 return $o;
 748         }
 749
 750         /**
 751          * Get all events for a user ID.
 752          *
 753          *    The query for events is done permission sensitive.
 754          *    If the user is the owner of the calendar they
 755          *    will get all of their available events.
 756          *    If the user is only a visitor only the public events will
 757          *    be available.
 758          *
 759          * @param int $uid The user ID.
 760          *
 761          * @return array Query results.
 762          * @throws \Exception
 763          */
 764         private static function getListByUserId($uid = 0)
 765         {
 766                 $return = [];
 767
 768                 if ($uid == 0) {
 769                         return $return;
 770                 }
 771
 772                 $fields = ['start', 'finish', 'adjust', 'summary', 'desc', 'location', 'nofinish'];
 773
 774                 $conditions = ['uid' => $uid, 'cid' => 0];
 775
 776                 // Does the user who requests happen to be the owner of the events
 777                 // requested? then show all of your events, otherwise only those that
 778                 // don't have limitations set in allow_cid and allow_gid.
 779                 if (local_user() != $uid) {
 780                         $conditions += ['allow_cid' => '', 'allow_gid' => ''];
 781                 }
 782
 783                 $events = DBA::select('event', $fields, $conditions);
 784                 if (DBA::isResult($events)) {
 785                         $return = DBA::toArray($events);
 786                 }
 787
 788                 return $return;
 789         }
 790
 791         /**
 792          *
 793          * @param int    $uid    The user ID.
 794          * @param string $format Output format (ical/csv).
 795          * @return array With the results:
 796          *                       bool 'success' => True if the processing was successful,<br>
 797          *                       string 'format' => The output format,<br>
 798          *                       string 'extension' => The file extension of the output format,<br>
 799          *                       string 'content' => The formatted output content.<br>
 800          *
 801          * @throws \Exception
 802          * @todo Respect authenticated users with events_by_uid().
 803          */
 804         public static function exportListByUserId($uid, $format = 'ical')
 805         {
 806                 $process = false;
 807
 808                 // Get all events which are owned by a uid (respects permissions).
 809                 $events = self::getListByUserId($uid);
 810
 811                 // We have the events that are available for the requestor.
 812                 // Now format the output according to the requested format.
 813                 $res = self::formatListForExport($events, $format);
 814
 815                 // If there are results the precess was successful.
 816                 if (!empty($res)) {
 817                         $process = true;
 818                 }
 819
 820                 // Get the file extension for the format.
 821                 switch ($format) {
 822                         case "ical":
 823                                 $file_ext = "ics";
 824                                 break;
 825
 826                         case "csv":
 827                                 $file_ext = "csv";
 828                                 break;
 829
 830                         default:
 831                                 $file_ext = "";
 832                 }
 833
 834                 $return = [
 835                         'success'   => $process,
 836                         'format'    => $format,
 837                         'extension' => $file_ext,
 838                         'content'   => $res,
 839                 ];
 840
 841                 return $return;
 842         }
 843
 844         /**
 845          * Format an item array with event data to HTML.
 846          *
 847          * @param array $item Array with item and event data.
 848          * @return string HTML output.
 849          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 850          * @throws \ImagickException
 851          */
 852         public static function getItemHTML(array $item) {
 853                 $same_date = false;
 854                 $finish    = false;
 855
 856                 // Set the different time formats.
 857                 $dformat       = DI::l10n()->t('l F d, Y \@ g:i A'); // Friday January 18, 2011 @ 8:01 AM.
 858                 $dformat_short = DI::l10n()->t('D g:i A'); // Fri 8:01 AM.
 859                 $tformat       = DI::l10n()->t('g:i A'); // 8:01 AM.
 860
 861                 // Convert the time to different formats.
 862                 $dtstart_dt = DI::l10n()->getDay(
 863                         $item['event-adjust'] ?
 864                                 DateTimeFormat::local($item['event-start'], $dformat)
 865                                 : DateTimeFormat::utc($item['event-start'], $dformat)
 866                 );
 867                 $dtstart_title = DateTimeFormat::utc($item['event-start'], $item['event-adjust'] ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s');
 868                 // Format: Jan till Dec.
 869                 $month_short = DI::l10n()->getDayShort(
 870                         $item['event-adjust'] ?
 871                                 DateTimeFormat::local($item['event-start'], 'M')
 872                                 : DateTimeFormat::utc($item['event-start'], 'M')
 873                 );
 874                 // Format: 1 till 31.
 875                 $date_short = $item['event-adjust'] ?
 876                         DateTimeFormat::local($item['event-start'], 'j')
 877                         : DateTimeFormat::utc($item['event-start'], 'j');
 878                 $start_time = $item['event-adjust'] ?
 879                         DateTimeFormat::local($item['event-start'], $tformat)
 880                         : DateTimeFormat::utc($item['event-start'], $tformat);
 881                 $start_short = DI::l10n()->getDayShort(
 882                         $item['event-adjust'] ?
 883                                 DateTimeFormat::local($item['event-start'], $dformat_short)
 884                                 : DateTimeFormat::utc($item['event-start'], $dformat_short)
 885                 );
 886
 887                 // If the option 'nofinisch' isn't set, we need to format the finish date/time.
 888                 if (!$item['event-nofinish']) {
 889                         $finish = true;
 890                         $dtend_dt  = DI::l10n()->getDay(
 891                                 $item['event-adjust'] ?
 892                                         DateTimeFormat::local($item['event-finish'], $dformat)
 893                                         : DateTimeFormat::utc($item['event-finish'], $dformat)
 894                         );
 895                         $dtend_title = DateTimeFormat::utc($item['event-finish'], $item['event-adjust'] ? DateTimeFormat::ATOM : 'Y-m-d\TH:i:s');
 896                         $end_short = DI::l10n()->getDayShort(
 897                                 $item['event-adjust'] ?
 898                                         DateTimeFormat::local($item['event-finish'], $dformat_short)
 899                                         : DateTimeFormat::utc($item['event-finish'], $dformat_short)
 900                         );
 901                         $end_time = $item['event-adjust'] ?
 902                                 DateTimeFormat::local($item['event-finish'], $tformat)
 903                                 : DateTimeFormat::utc($item['event-finish'], $tformat);
 904                         // Check if start and finish time is at the same day.
 905                         if (substr($dtstart_title, 0, 10) === substr($dtend_title, 0, 10)) {
 906                                 $same_date = true;
 907                         }
 908                 } else {
 909                         $dtend_title = '';
 910                         $dtend_dt = '';
 911                         $end_time = '';
 912                         $end_short = '';
 913                 }
 914
 915                 // Format the event location.
 916                 $location = self::locationToArray($item['event-location']);
 917
 918                 // Construct the profile link (magic-auth).
 919                 $author = ['uid' => 0, 'id' => $item['author-id'],
 920                                 'network' => $item['author-network'], 'url' => $item['author-link']];
 921                 $profile_link = Contact::magicLinkByContact($author);
 922
 923                 $tpl = Renderer::getMarkupTemplate('event_stream_item.tpl');
 924                 $return = Renderer::replaceMacros($tpl, [
 925                         '$id'             => $item['event-id'],
 926                         '$title'          => BBCode::convertForUriId($item['uri-id'], $item['event-summary']),
 927                         '$dtstart_label'  => DI::l10n()->t('Starts:'),
 928                         '$dtstart_title'  => $dtstart_title,
 929                         '$dtstart_dt'     => $dtstart_dt,
 930                         '$finish'         => $finish,
 931                         '$dtend_label'    => DI::l10n()->t('Finishes:'),
 932                         '$dtend_title'    => $dtend_title,
 933                         '$dtend_dt'       => $dtend_dt,
 934                         '$month_short'    => $month_short,
 935                         '$date_short'     => $date_short,
 936                         '$same_date'      => $same_date,
 937                         '$start_time'     => $start_time,
 938                         '$start_short'    => $start_short,
 939                         '$end_time'       => $end_time,
 940                         '$end_short'      => $end_short,
 941                         '$author_name'    => $item['author-name'],
 942                         '$author_link'    => $profile_link,
 943                         '$author_avatar'  => $item['author-avatar'],
 944                         '$description'    => BBCode::convertForUriId($item['uri-id'], $item['event-desc']),
 945                         '$location_label' => DI::l10n()->t('Location:'),
 946                         '$show_map_label' => DI::l10n()->t('Show map'),
 947                         '$hide_map_label' => DI::l10n()->t('Hide map'),
 948                         '$map_btn_label'  => DI::l10n()->t('Show map'),
 949                         '$location'       => $location
 950                 ]);
 951
 952                 return $return;
 953         }
 954
 955         /**
 956          * Format a string with map bbcode to an array with location data.
 957          *
 958          * Note: The string must only contain location data. A string with no bbcode will be
 959          * handled as location name.
 960          *
 961          * @param string $s The string with the bbcode formatted location data.
 962          *
 963          * @return array The array with the location data.
 964          *  'name' => The name of the location,<br>
 965          * 'address' => The address of the location,<br>
 966          * 'coordinates' => Latitude‎ and longitude‎ (e.g. '48.864716,2.349014').<br>
 967          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 968          */
 969         private static function locationToArray($s = '') {
 970                 if ($s == '') {
 971                         return [];
 972                 }
 973
 974                 $location = ['name' => $s];
 975
 976                 // Map tag with location name - e.g. [map]Paris[/map].
 977                 if (strpos($s, '[/map]') !== false) {
 978                         $found = preg_match("/\[map\](.*?)\[\/map\]/ism", $s, $match);
 979                         if (intval($found) > 0 && array_key_exists(1, $match)) {
 980                                 $location['address'] =  $match[1];
 981                                 // Remove the map bbcode from the location name.
 982                                 $location['name'] = str_replace($match[0], "", $s);
 983                         }
 984                 // Map tag with coordinates - e.g. [map=48.864716,2.349014].
 985                 } elseif (strpos($s, '[map=') !== false) {
 986                         $found = preg_match("/\[map=(.*?)\]/ism", $s, $match);
 987                         if (intval($found) > 0 && array_key_exists(1, $match)) {
 988                                 $location['coordinates'] =  $match[1];
 989                                 // Remove the map bbcode from the location name.
 990                                 $location['name'] = str_replace($match[0], "", $s);
 991                         }
 992                 }
 993
 994                 $location['name'] = BBCode::convert($location['name']);
 995
 996                 // Construct the map HTML.
 997                 if (isset($location['address'])) {
 998                         $location['map'] = '<div class="map">' . Map::byLocation($location['address']) . '</div>';
 999                 } elseif (isset($location['coordinates'])) {
1000                         $location['map'] = '<div class="map">' . Map::byCoordinates(str_replace('/', ' ', $location['coordinates'])) . '</div>';
1001                 }
1002
1003                 return $location;
1004         }
1005
1006         /**
1007          * Add new birthday event for this person
1008          *
1009          * @param array  $contact  Contact array, expects: id, uid, url, name
1010          * @param string $birthday Birthday of the contact
1011          * @return bool
1012          * @throws \Exception
1013          */
1014         public static function createBirthday($contact, $birthday)
1015         {
1016                 // Check for duplicates
1017                 $condition = [
1018                         'uid' => $contact['uid'],
1019                         'cid' => $contact['id'],
1020                         'start' => DateTimeFormat::utc($birthday),
1021                         'type' => 'birthday'
1022                 ];
1023                 if (DBA::exists('event', $condition)) {
1024                         return false;
1025                 }
1026
1027                 /*
1028                  * Add new birthday event for this person
1029                  *
1030                  * summary is just a readable placeholder in case the event is shared
1031                  * with others. We will replace it during presentation to our $importer
1032                  * to contain a sparkle link and perhaps a photo.
1033                  */
1034                 $values = [
1035                         'uid'     => $contact['uid'],
1036                         'cid'     => $contact['id'],
1037                         'start'   => DateTimeFormat::utc($birthday),
1038                         'finish'  => DateTimeFormat::utc($birthday . ' + 1 day '),
1039                         'summary' => DI::l10n()->t('%s\'s birthday', $contact['name']),
1040                         'desc'    => DI::l10n()->t('Happy Birthday %s', ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]'),
1041                         'type'    => 'birthday',
1042                         'adjust'  => 0
1043                 ];
1044
1045                 self::store($values);
1046
1047                 return true;
1048         }
1049 }