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