src/Core/NotificationsManager.php

   1 <?php
   2 /**
   3  * @file src/Core/NotificationsManager.php
   4  * @brief Methods for read and write notifications from/to database
   5  *  or for formatting notifications
   6  */
   7 namespace Friendica\Core;
   8
   9 use Friendica\BaseObject;
  10 use Friendica\Content\Text\BBCode;
  11 use Friendica\Content\Text\HTML;
  12 use Friendica\Core\Protocol;
  13 use Friendica\Database\DBA;
  14 use Friendica\Model\Contact;
  15 use Friendica\Model\Item;
  16 use Friendica\Util\DateTimeFormat;
  17 use Friendica\Util\Proxy as ProxyUtils;
  18 use Friendica\Util\Temporal;
  19 use Friendica\Util\XML;
  20
  21 require_once 'include/dba.php';
  22
  23 /**
  24  * @brief Methods for read and write notifications from/to database
  25  *  or for formatting notifications
  26  */
  27 class NotificationsManager extends BaseObject
  28 {
  29         /**
  30          * @brief set some extra note properties
  31          *
  32          * @param array $notes array of note arrays from db
  33          * @return array Copy of input array with added properties
  34          *
  35          * Set some extra properties to note array from db:
  36          *  - timestamp as int in default TZ
  37          *  - date_rel : relative date string
  38          *  - msg_html: message as html string
  39          *  - msg_plain: message as plain text string
  40          */
  41         private function _set_extra($notes)
  42         {
  43                 $rets = [];
  44                 foreach ($notes as $n) {
  45                         $local_time = DateTimeFormat::local($n['date']);
  46                         $n['timestamp'] = strtotime($local_time);
  47                         $n['date_rel'] = Temporal::getRelativeDate($n['date']);
  48                         $n['msg_html'] = BBCode::convert($n['msg'], false);
  49                         $n['msg_plain'] = explode("\n", trim(HTML::toPlaintext($n['msg_html'], 0)))[0];
  50
  51                         $rets[] = $n;
  52                 }
  53                 return $rets;
  54         }
  55
  56         /**
  57          * @brief Get all notifications for local_user()
  58          *
  59          * @param array  $filter optional Array "column name"=>value: filter query by columns values
  60          * @param string $order  optional Space separated list of column to sort by.
  61          *                       Prepend name with "+" to sort ASC, "-" to sort DESC. Default to "-date"
  62          * @param string $limit  optional Query limits
  63          *
  64          * @return array of results or false on errors
  65          */
  66         public function getAll($filter = [], $order = "-date", $limit = "")
  67         {
  68                 $filter_str = [];
  69                 $filter_sql = "";
  70                 foreach ($filter as $column => $value) {
  71                         $filter_str[] = sprintf("`%s` = '%s'", $column, DBA::escape($value));
  72                 }
  73                 if (count($filter_str) > 0) {
  74                         $filter_sql = "AND " . implode(" AND ", $filter_str);
  75                 }
  76
  77                 $aOrder = explode(" ", $order);
  78                 $asOrder = [];
  79                 foreach ($aOrder as $o) {
  80                         $dir = "asc";
  81                         if ($o[0] === "-") {
  82                                 $dir = "desc";
  83                                 $o = substr($o, 1);
  84                         }
  85                         if ($o[0] === "+") {
  86                                 $dir = "asc";
  87                                 $o = substr($o, 1);
  88                         }
  89                         $asOrder[] = "$o $dir";
  90                 }
  91                 $order_sql = implode(", ", $asOrder);
  92
  93                 if ($limit != "") {
  94                         $limit = " LIMIT " . $limit;
  95                 }
  96                 $r = q(
  97                         "SELECT * FROM `notify` WHERE `uid` = %d $filter_sql ORDER BY $order_sql $limit",
  98                         intval(local_user())
  99                 );
 100
 101                 if (DBA::isResult($r)) {
 102                         return $this->_set_extra($r);
 103                 }
 104
 105                 return false;
 106         }
 107
 108         /**
 109          * @brief Get one note for local_user() by $id value
 110          *
 111          * @param int $id identity
 112          * @return array note values or null if not found
 113          */
 114         public function getByID($id)
 115         {
 116                 $r = q(
 117                         "SELECT * FROM `notify` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 118                         intval($id),
 119                         intval(local_user())
 120                 );
 121                 if (DBA::isResult($r)) {
 122                         return $this->_set_extra($r)[0];
 123                 }
 124                 return null;
 125         }
 126
 127         /**
 128          * @brief set seen state of $note of local_user()
 129          *
 130          * @param array $note note array
 131          * @param bool  $seen optional true or false, default true
 132          * @return bool true on success, false on errors
 133          */
 134         public function setSeen($note, $seen = true)
 135         {
 136                 return q(
 137                         "UPDATE `notify` SET `seen` = %d WHERE (`link` = '%s' OR (`parent` != 0 AND `parent` = %d AND `otype` = '%s')) AND `uid` = %d",
 138                         intval($seen),
 139                         DBA::escape($note['link']),
 140                         intval($note['parent']),
 141                         DBA::escape($note['otype']),
 142                         intval(local_user())
 143                 );
 144         }
 145
 146         /**
 147          * @brief set seen state of all notifications of local_user()
 148          *
 149          * @param bool $seen optional true or false. default true
 150          * @return bool true on success, false on error
 151          */
 152         public function setAllSeen($seen = true)
 153         {
 154                 return q(
 155                         "UPDATE `notify` SET `seen` = %d WHERE `uid` = %d",
 156                         intval($seen),
 157                         intval(local_user())
 158                 );
 159         }
 160
 161         /**
 162          * @brief List of pages for the Notifications TabBar
 163          *
 164          * @return array with with notifications TabBar data
 165          */
 166         public function getTabs()
 167         {
 168                 $tabs = [
 169                         [
 170                                 'label' => L10n::t('System'),
 171                                 'url'   => 'notifications/system',
 172                                 'sel'   => ((self::getApp()->argv[1] == 'system') ? 'active' : ''),
 173                                 'id'    => 'system-tab',
 174                                 'accesskey' => 'y',
 175                         ],
 176                         [
 177                                 'label' => L10n::t('Network'),
 178                                 'url'   => 'notifications/network',
 179                                 'sel'   => ((self::getApp()->argv[1] == 'network') ? 'active' : ''),
 180                                 'id'    => 'network-tab',
 181                                 'accesskey' => 'w',
 182                         ],
 183                         [
 184                                 'label' => L10n::t('Personal'),
 185                                 'url'   => 'notifications/personal',
 186                                 'sel'   => ((self::getApp()->argv[1] == 'personal') ? 'active' : ''),
 187                                 'id'    => 'personal-tab',
 188                                 'accesskey' => 'r',
 189                         ],
 190                         [
 191                                 'label' => L10n::t('Home'),
 192                                 'url'   => 'notifications/home',
 193                                 'sel'   => ((self::getApp()->argv[1] == 'home') ? 'active' : ''),
 194                                 'id'    => 'home-tab',
 195                                 'accesskey' => 'h',
 196                         ],
 197                         [
 198                                 'label' => L10n::t('Introductions'),
 199                                 'url'   => 'notifications/intros',
 200                                 'sel'   => ((self::getApp()->argv[1] == 'intros') ? 'active' : ''),
 201                                 'id'    => 'intro-tab',
 202                                 'accesskey' => 'i',
 203                         ],
 204                 ];
 205
 206                 return $tabs;
 207         }
 208
 209         /**
 210          * @brief Format the notification query in an usable array
 211          *
 212          * @param array  $notifs The array from the db query
 213          * @param string $ident  The notifications identifier (e.g. network)
 214          * @return array
 215          *      string 'label' => The type of the notification
 216          *      string 'link' => URL to the source
 217          *      string 'image' => The avatar image
 218          *      string 'url' => The profile url of the contact
 219          *      string 'text' => The notification text
 220          *      string 'when' => The date of the notification
 221          *      string 'ago' => T relative date of the notification
 222          *      bool 'seen' => Is the notification marked as "seen"
 223          */
 224         private function formatNotifs(array $notifs, $ident = "")
 225         {
 226                 $notif = [];
 227                 $arr = [];
 228
 229                 if (DBA::isResult($notifs)) {
 230                         foreach ($notifs as $it) {
 231                                 // Because we use different db tables for the notification query
 232                                 // we have sometimes $it['unseen'] and sometimes $it['seen].
 233                                 // So we will have to transform $it['unseen']
 234                                 if (array_key_exists('unseen', $it)) {
 235                                         $it['seen'] = ($it['unseen'] > 0 ? false : true);
 236                                 }
 237
 238                                 // For feed items we use the user's contact, since the avatar is mostly self choosen.
 239                                 if (!empty($it['network']) && $it['network'] == Protocol::FEED) {
 240                                         $it['author-avatar'] = $it['contact-avatar'];
 241                                 }
 242
 243                                 // Depending on the identifier of the notification we need to use different defaults
 244                                 switch ($ident) {
 245                                         case 'system':
 246                                                 $default_item_label = 'notify';
 247                                                 $default_item_link = System::baseUrl(true) . '/notify/view/' . $it['id'];
 248                                                 $default_item_image = ProxyUtils::proxifyUrl($it['photo'], false, ProxyUtils::SIZE_MICRO);
 249                                                 $default_item_url = $it['url'];
 250                                                 $default_item_text = strip_tags(BBCode::convert($it['msg']));
 251                                                 $default_item_when = DateTimeFormat::local($it['date'], 'r');
 252                                                 $default_item_ago = Temporal::getRelativeDate($it['date']);
 253                                                 break;
 254
 255                                         case 'home':
 256                                                 $default_item_label = 'comment';
 257                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['parent-guid'];
 258                                                 $default_item_image = ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO);
 259                                                 $default_item_url = $it['author-link'];
 260                                                 $default_item_text = L10n::t("%s commented on %s's post", $it['author-name'], $it['parent-author-name']);
 261                                                 $default_item_when = DateTimeFormat::local($it['created'], 'r');
 262                                                 $default_item_ago = Temporal::getRelativeDate($it['created']);
 263                                                 break;
 264
 265                                         default:
 266                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 267                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['parent-guid'];
 268                                                 $default_item_image = ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO);
 269                                                 $default_item_url = $it['author-link'];
 270                                                 $default_item_text = (($it['id'] == $it['parent'])
 271                                                                         ? L10n::t("%s created a new post", $it['author-name'])
 272                                                                         : L10n::t("%s commented on %s's post", $it['author-name'], $it['parent-author-name']));
 273                                                 $default_item_when = DateTimeFormat::local($it['created'], 'r');
 274                                                 $default_item_ago = Temporal::getRelativeDate($it['created']);
 275                                 }
 276
 277                                 // Transform the different types of notification in an usable array
 278                                 switch ($it['verb']) {
 279                                         case ACTIVITY_LIKE:
 280                                                 $notif = [
 281                                                         'label' => 'like',
 282                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 283                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 284                                                         'url' => $it['author-link'],
 285                                                         'text' => L10n::t("%s liked %s's post", $it['author-name'], $it['parent-author-name']),
 286                                                         'when' => $default_item_when,
 287                                                         'ago' => $default_item_ago,
 288                                                         'seen' => $it['seen']
 289                                                 ];
 290                                                 break;
 291
 292                                         case ACTIVITY_DISLIKE:
 293                                                 $notif = [
 294                                                         'label' => 'dislike',
 295                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 296                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 297                                                         'url' => $it['author-link'],
 298                                                         'text' => L10n::t("%s disliked %s's post", $it['author-name'], $it['parent-author-name']),
 299                                                         'when' => $default_item_when,
 300                                                         'ago' => $default_item_ago,
 301                                                         'seen' => $it['seen']
 302                                                 ];
 303                                                 break;
 304
 305                                         case ACTIVITY_ATTEND:
 306                                                 $notif = [
 307                                                         'label' => 'attend',
 308                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 309                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 310                                                         'url' => $it['author-link'],
 311                                                         'text' => L10n::t("%s is attending %s's event", $it['author-name'], $it['parent-author-name']),
 312                                                         'when' => $default_item_when,
 313                                                         'ago' => $default_item_ago,
 314                                                         'seen' => $it['seen']
 315                                                 ];
 316                                                 break;
 317
 318                                         case ACTIVITY_ATTENDNO:
 319                                                 $notif = [
 320                                                         'label' => 'attendno',
 321                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 322                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 323                                                         'url' => $it['author-link'],
 324                                                         'text' => L10n::t("%s is not attending %s's event", $it['author-name'], $it['parent-author-name']),
 325                                                         'when' => $default_item_when,
 326                                                         'ago' => $default_item_ago,
 327                                                         'seen' => $it['seen']
 328                                                 ];
 329                                                 break;
 330
 331                                         case ACTIVITY_ATTENDMAYBE:
 332                                                 $notif = [
 333                                                         'label' => 'attendmaybe',
 334                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 335                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 336                                                         'url' => $it['author-link'],
 337                                                         'text' => L10n::t("%s may attend %s's event", $it['author-name'], $it['parent-author-name']),
 338                                                         'when' => $default_item_when,
 339                                                         'ago' => $default_item_ago,
 340                                                         'seen' => $it['seen']
 341                                                 ];
 342                                                 break;
 343
 344                                         case ACTIVITY_FRIEND:
 345                                                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 346                                                 $obj = XML::parseString($xmlhead . $it['object']);
 347                                                 $it['fname'] = $obj->title;
 348
 349                                                 $notif = [
 350                                                         'label' => 'friend',
 351                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 352                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 353                                                         'url' => $it['author-link'],
 354                                                         'text' => L10n::t("%s is now friends with %s", $it['author-name'], $it['fname']),
 355                                                         'when' => $default_item_when,
 356                                                         'ago' => $default_item_ago,
 357                                                         'seen' => $it['seen']
 358                                                 ];
 359                                                 break;
 360
 361                                         default:
 362                                                 $notif = [
 363                                                         'label' => $default_item_label,
 364                                                         'link' => $default_item_link,
 365                                                         'image' => $default_item_image,
 366                                                         'url' => $default_item_url,
 367                                                         'text' => $default_item_text,
 368                                                         'when' => $default_item_when,
 369                                                         'ago' => $default_item_ago,
 370                                                         'seen' => $it['seen']
 371                                                 ];
 372                                 }
 373
 374                                 $arr[] = $notif;
 375                         }
 376                 }
 377
 378                 return $arr;
 379         }
 380
 381         /**
 382          * @brief Get network notifications
 383          *
 384          * @param int|string $seen  If 0 only include notifications into the query
 385          *                              which aren't marked as "seen"
 386          * @param int        $start Start the query at this point
 387          * @param int        $limit Maximum number of query results
 388          *
 389          * @return array with
 390          *      string 'ident' => Notification identifier
 391          *      array 'notifications' => Network notifications
 392          */
 393         public function networkNotifs($seen = 0, $start = 0, $limit = 80)
 394         {
 395                 $ident = 'network';
 396                 $notifs = [];
 397
 398                 $condition = ['wall' => false, 'uid' => local_user()];
 399
 400                 if ($seen === 0) {
 401                         $condition['unseen'] = true;
 402                 }
 403
 404                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 405                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
 406                 $params = ['order' => ['created' => true], 'limit' => [$start, $limit]];
 407
 408                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 409
 410                 if (DBA::isResult($items)) {
 411                         $notifs = $this->formatNotifs(Item::inArray($items), $ident);
 412                 }
 413
 414                 $arr = [
 415                         'notifications' => $notifs,
 416                         'ident' => $ident,
 417                 ];
 418
 419                 return $arr;
 420         }
 421
 422         /**
 423          * @brief Get system notifications
 424          *
 425          * @param int|string $seen  If 0 only include notifications into the query
 426          *                              which aren't marked as "seen"
 427          * @param int        $start Start the query at this point
 428          * @param int        $limit Maximum number of query results
 429          *
 430          * @return array with
 431          *      string 'ident' => Notification identifier
 432          *      array 'notifications' => System notifications
 433          */
 434         public function systemNotifs($seen = 0, $start = 0, $limit = 80)
 435         {
 436                 $ident = 'system';
 437                 $notifs = [];
 438                 $sql_seen = "";
 439
 440                 if ($seen === 0) {
 441                         $sql_seen = " AND NOT `seen` ";
 442                 }
 443
 444                 $r = q(
 445                         "SELECT `id`, `url`, `photo`, `msg`, `date`, `seen`, `verb` FROM `notify`
 446                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 447                         intval(local_user()),
 448                         intval($start),
 449                         intval($limit)
 450                 );
 451
 452                 if (DBA::isResult($r)) {
 453                         $notifs = $this->formatNotifs($r, $ident);
 454                 }
 455
 456                 $arr = [
 457                         'notifications' => $notifs,
 458                         'ident' => $ident,
 459                 ];
 460
 461                 return $arr;
 462         }
 463
 464         /**
 465          * @brief Get personal notifications
 466          *
 467          * @param int|string $seen  If 0 only include notifications into the query
 468          *                              which aren't marked as "seen"
 469          * @param int        $start Start the query at this point
 470          * @param int        $limit Maximum number of query results
 471          *
 472          * @return array with
 473          *      string 'ident' => Notification identifier
 474          *      array 'notifications' => Personal notifications
 475          */
 476         public function personalNotifs($seen = 0, $start = 0, $limit = 80)
 477         {
 478                 $ident = 'personal';
 479                 $notifs = [];
 480
 481                 $myurl = str_replace('http://', '', self::getApp()->contact['nurl']);
 482                 $diasp_url = str_replace('/profile/', '/u/', $myurl);
 483
 484                 $condition = ["NOT `wall` AND `uid` = ? AND (`item`.`author-id` = ? OR `item`.`tag` REGEXP ? OR `item`.`tag` REGEXP ?)",
 485                         local_user(), public_contact(), $myurl . '\\]', $diasp_url . '\\]'];
 486
 487                 if ($seen === 0) {
 488                         $condition[0] .= " AND `unseen`";
 489                 }
 490
 491                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 492                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
 493                 $params = ['order' => ['created' => true], 'limit' => [$start, $limit]];
 494
 495                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 496
 497                 if (DBA::isResult($items)) {
 498                         $notifs = $this->formatNotifs(Item::inArray($items), $ident);
 499                 }
 500
 501                 $arr = [
 502                         'notifications' => $notifs,
 503                         'ident' => $ident,
 504                 ];
 505
 506                 return $arr;
 507         }
 508
 509         /**
 510          * @brief Get home notifications
 511          *
 512          * @param int|string $seen  If 0 only include notifications into the query
 513          *                              which aren't marked as "seen"
 514          * @param int        $start Start the query at this point
 515          * @param int        $limit Maximum number of query results
 516          *
 517          * @return array with
 518          *      string 'ident' => Notification identifier
 519          *      array 'notifications' => Home notifications
 520          */
 521         public function homeNotifs($seen = 0, $start = 0, $limit = 80)
 522         {
 523                 $ident = 'home';
 524                 $notifs = [];
 525
 526                 $condition = ['wall' => true, 'uid' => local_user()];
 527
 528                 if ($seen === 0) {
 529                         $condition['unseen'] = true;
 530                 }
 531
 532                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 533                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
 534                 $params = ['order' => ['created' => true], 'limit' => [$start, $limit]];
 535                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 536
 537                 if (DBA::isResult($items)) {
 538                         $notifs = $this->formatNotifs(Item::inArray($items), $ident);
 539                 }
 540
 541                 $arr = [
 542                         'notifications' => $notifs,
 543                         'ident' => $ident,
 544                 ];
 545
 546                 return $arr;
 547         }
 548
 549         /**
 550          * @brief Get introductions
 551          *
 552          * @param bool $all   If false only include introductions into the query
 553          *                        which aren't marked as ignored
 554          * @param int  $start Start the query at this point
 555          * @param int  $limit Maximum number of query results
 556          *
 557          * @return array with
 558          *      string 'ident' => Notification identifier
 559          *      array 'notifications' => Introductions
 560          */
 561         public function introNotifs($all = false, $start = 0, $limit = 80)
 562         {
 563                 $ident = 'introductions';
 564                 $notifs = [];
 565                 $sql_extra = "";
 566
 567                 if (!$all) {
 568                         $sql_extra = " AND `ignore` = 0 ";
 569                 }
 570
 571                 /// @todo Fetch contact details by "Contact::getDetailsByUrl" instead of queries to contact, fcontact and gcontact
 572                 $r = q(
 573                         "SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 574                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`, `fcontact`.`addr` AS `faddr`,
 575                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 576                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 577                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 578                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 579                         FROM `intro`
 580                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 581                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 582                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 583                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 584                         LIMIT %d, %d",
 585                         intval($_SESSION['uid']),
 586                         intval($start),
 587                         intval($limit)
 588                 );
 589                 if (DBA::isResult($r)) {
 590                         $notifs = $this->formatIntros($r);
 591                 }
 592
 593                 $arr = [
 594                         'ident' => $ident,
 595                         'notifications' => $notifs,
 596                 ];
 597
 598                 return $arr;
 599         }
 600
 601         /**
 602          * @brief Format the notification query in an usable array
 603          *
 604          * @param array $intros The array from the db query
 605          * @return array with the introductions
 606          */
 607         private function formatIntros($intros)
 608         {
 609                 $knowyou = '';
 610
 611                 foreach ($intros as $it) {
 612                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 613                         // We have to distinguish between these two because they use different data.
 614                         // Contact suggestions
 615                         if ($it['fid']) {
 616                                 $return_addr = bin2hex(self::getApp()->user['nickname'] . '@' . self::getApp()->get_hostname() . ((self::getApp()->urlpath) ? '/' . self::getApp()->urlpath : ''));
 617
 618                                 $intro = [
 619                                         'label' => 'friend_suggestion',
 620                                         'notify_type' => L10n::t('Friend Suggestion'),
 621                                         'intro_id' => $it['intro_id'],
 622                                         'madeby' => $it['name'],
 623                                         'madeby_url' => $it['url'],
 624                                         'madeby_zrl' => Contact::magicLink($it['url']),
 625                                         'madeby_addr' => $it['addr'],
 626                                         'contact_id' => $it['contact-id'],
 627                                         'photo' => ((x($it, 'fphoto')) ? ProxyUtils::proxifyUrl($it['fphoto'], false, ProxyUtils::SIZE_SMALL) : "images/person-175.jpg"),
 628                                         'name' => $it['fname'],
 629                                         'url' => $it['furl'],
 630                                         'zrl' => Contact::magicLink($it['furl']),
 631                                         'hidden' => $it['hidden'] == 1,
 632                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 633                                         'knowyou' => $knowyou,
 634                                         'note' => $it['note'],
 635                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 636                                 ];
 637
 638                                 // Normal connection requests
 639                         } else {
 640                                 $it = $this->getMissingIntroData($it);
 641
 642                                 // Don't show these data until you are connected. Diaspora is doing the same.
 643                                 if ($it['gnetwork'] === Protocol::DIASPORA) {
 644                                         $it['glocation'] = "";
 645                                         $it['gabout'] = "";
 646                                         $it['ggender'] = "";
 647                                 }
 648                                 $intro = [
 649                                         'label' => (($it['network'] !== Protocol::OSTATUS) ? 'friend_request' : 'follower'),
 650                                         'notify_type' => (($it['network'] !== Protocol::OSTATUS) ? L10n::t('Friend/Connect Request') : L10n::t('New Follower')),
 651                                         'dfrn_id' => $it['issued-id'],
 652                                         'uid' => $_SESSION['uid'],
 653                                         'intro_id' => $it['intro_id'],
 654                                         'contact_id' => $it['contact-id'],
 655                                         'photo' => ((x($it, 'photo')) ? ProxyUtils::proxifyUrl($it['photo'], false, ProxyUtils::SIZE_SMALL) : "images/person-175.jpg"),
 656                                         'name' => $it['name'],
 657                                         'location' => BBCode::convert($it['glocation'], false),
 658                                         'about' => BBCode::convert($it['gabout'], false),
 659                                         'keywords' => $it['gkeywords'],
 660                                         'gender' => $it['ggender'],
 661                                         'hidden' => $it['hidden'] == 1,
 662                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 663                                         'url' => $it['url'],
 664                                         'zrl' => Contact::magicLink($it['url']),
 665                                         'addr' => $it['gaddr'],
 666                                         'network' => $it['gnetwork'],
 667                                         'knowyou' => $it['knowyou'],
 668                                         'note' => $it['note'],
 669                                 ];
 670                         }
 671
 672                         $arr[] = $intro;
 673                 }
 674
 675                 return $arr;
 676         }
 677
 678         /**
 679          * @brief Check for missing contact data and try to fetch the data from
 680          *     from other sources
 681          *
 682          * @param array $arr The input array with the intro data
 683          *
 684          * @return array The array with the intro data
 685          */
 686         private function getMissingIntroData($arr)
 687         {
 688                 // If the network and the addr isn't available from the gcontact
 689                 // table entry, take the one of the contact table entry
 690                 if ($arr['gnetwork'] == "") {
 691                         $arr['gnetwork'] = $arr['network'];
 692                 }
 693                 if ($arr['gaddr'] == "") {
 694                         $arr['gaddr'] = $arr['addr'];
 695                 }
 696
 697                 // If the network and addr is still not available
 698                 // get the missing data data from other sources
 699                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 700                         $ret = Contact::getDetailsByURL($arr['url']);
 701
 702                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 703                                 $arr['gnetwork'] = $ret['network'];
 704                         }
 705                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 706                                 $arr['gaddr'] = $ret['addr'];
 707                         }
 708                 }
 709
 710                 return $arr;
 711         }
 712 }