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                 $selected = defaults(self::getApp()->argv, 1, '');
 169
 170                 $tabs = [
 171                         [
 172                                 'label' => L10n::t('System'),
 173                                 'url'   => 'notifications/system',
 174                                 'sel'   => (($selected == 'system') ? 'active' : ''),
 175                                 'id'    => 'system-tab',
 176                                 'accesskey' => 'y',
 177                         ],
 178                         [
 179                                 'label' => L10n::t('Network'),
 180                                 'url'   => 'notifications/network',
 181                                 'sel'   => (($selected == 'network') ? 'active' : ''),
 182                                 'id'    => 'network-tab',
 183                                 'accesskey' => 'w',
 184                         ],
 185                         [
 186                                 'label' => L10n::t('Personal'),
 187                                 'url'   => 'notifications/personal',
 188                                 'sel'   => (($selected == 'personal') ? 'active' : ''),
 189                                 'id'    => 'personal-tab',
 190                                 'accesskey' => 'r',
 191                         ],
 192                         [
 193                                 'label' => L10n::t('Home'),
 194                                 'url'   => 'notifications/home',
 195                                 'sel'   => (($selected == 'home') ? 'active' : ''),
 196                                 'id'    => 'home-tab',
 197                                 'accesskey' => 'h',
 198                         ],
 199                         [
 200                                 'label' => L10n::t('Introductions'),
 201                                 'url'   => 'notifications/intros',
 202                                 'sel'   => (($selected == 'intros') ? 'active' : ''),
 203                                 'id'    => 'intro-tab',
 204                                 'accesskey' => 'i',
 205                         ],
 206                 ];
 207
 208                 return $tabs;
 209         }
 210
 211         /**
 212          * @brief Format the notification query in an usable array
 213          *
 214          * @param array  $notifs The array from the db query
 215          * @param string $ident  The notifications identifier (e.g. network)
 216          * @return array
 217          *      string 'label' => The type of the notification
 218          *      string 'link' => URL to the source
 219          *      string 'image' => The avatar image
 220          *      string 'url' => The profile url of the contact
 221          *      string 'text' => The notification text
 222          *      string 'when' => The date of the notification
 223          *      string 'ago' => T relative date of the notification
 224          *      bool 'seen' => Is the notification marked as "seen"
 225          */
 226         private function formatNotifs(array $notifs, $ident = "")
 227         {
 228                 $notif = [];
 229                 $arr = [];
 230
 231                 if (DBA::isResult($notifs)) {
 232                         foreach ($notifs as $it) {
 233                                 // Because we use different db tables for the notification query
 234                                 // we have sometimes $it['unseen'] and sometimes $it['seen].
 235                                 // So we will have to transform $it['unseen']
 236                                 if (array_key_exists('unseen', $it)) {
 237                                         $it['seen'] = ($it['unseen'] > 0 ? false : true);
 238                                 }
 239
 240                                 // For feed items we use the user's contact, since the avatar is mostly self choosen.
 241                                 if (!empty($it['network']) && $it['network'] == Protocol::FEED) {
 242                                         $it['author-avatar'] = $it['contact-avatar'];
 243                                 }
 244
 245                                 // Depending on the identifier of the notification we need to use different defaults
 246                                 switch ($ident) {
 247                                         case 'system':
 248                                                 $default_item_label = 'notify';
 249                                                 $default_item_link = System::baseUrl(true) . '/notify/view/' . $it['id'];
 250                                                 $default_item_image = ProxyUtils::proxifyUrl($it['photo'], false, ProxyUtils::SIZE_MICRO);
 251                                                 $default_item_url = $it['url'];
 252                                                 $default_item_text = strip_tags(BBCode::convert($it['msg']));
 253                                                 $default_item_when = DateTimeFormat::local($it['date'], 'r');
 254                                                 $default_item_ago = Temporal::getRelativeDate($it['date']);
 255                                                 break;
 256
 257                                         case 'home':
 258                                                 $default_item_label = 'comment';
 259                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['parent-guid'];
 260                                                 $default_item_image = ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO);
 261                                                 $default_item_url = $it['author-link'];
 262                                                 $default_item_text = L10n::t("%s commented on %s's post", $it['author-name'], $it['parent-author-name']);
 263                                                 $default_item_when = DateTimeFormat::local($it['created'], 'r');
 264                                                 $default_item_ago = Temporal::getRelativeDate($it['created']);
 265                                                 break;
 266
 267                                         default:
 268                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 269                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['parent-guid'];
 270                                                 $default_item_image = ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO);
 271                                                 $default_item_url = $it['author-link'];
 272                                                 $default_item_text = (($it['id'] == $it['parent'])
 273                                                                         ? L10n::t("%s created a new post", $it['author-name'])
 274                                                                         : L10n::t("%s commented on %s's post", $it['author-name'], $it['parent-author-name']));
 275                                                 $default_item_when = DateTimeFormat::local($it['created'], 'r');
 276                                                 $default_item_ago = Temporal::getRelativeDate($it['created']);
 277                                 }
 278
 279                                 // Transform the different types of notification in an usable array
 280                                 switch ($it['verb']) {
 281                                         case ACTIVITY_LIKE:
 282                                                 $notif = [
 283                                                         'label' => 'like',
 284                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 285                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 286                                                         'url' => $it['author-link'],
 287                                                         'text' => L10n::t("%s liked %s's post", $it['author-name'], $it['parent-author-name']),
 288                                                         'when' => $default_item_when,
 289                                                         'ago' => $default_item_ago,
 290                                                         'seen' => $it['seen']
 291                                                 ];
 292                                                 break;
 293
 294                                         case ACTIVITY_DISLIKE:
 295                                                 $notif = [
 296                                                         'label' => 'dislike',
 297                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 298                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 299                                                         'url' => $it['author-link'],
 300                                                         'text' => L10n::t("%s disliked %s's post", $it['author-name'], $it['parent-author-name']),
 301                                                         'when' => $default_item_when,
 302                                                         'ago' => $default_item_ago,
 303                                                         'seen' => $it['seen']
 304                                                 ];
 305                                                 break;
 306
 307                                         case ACTIVITY_ATTEND:
 308                                                 $notif = [
 309                                                         'label' => 'attend',
 310                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 311                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 312                                                         'url' => $it['author-link'],
 313                                                         'text' => L10n::t("%s is attending %s's event", $it['author-name'], $it['parent-author-name']),
 314                                                         'when' => $default_item_when,
 315                                                         'ago' => $default_item_ago,
 316                                                         'seen' => $it['seen']
 317                                                 ];
 318                                                 break;
 319
 320                                         case ACTIVITY_ATTENDNO:
 321                                                 $notif = [
 322                                                         'label' => 'attendno',
 323                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 324                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 325                                                         'url' => $it['author-link'],
 326                                                         'text' => L10n::t("%s is not attending %s's event", $it['author-name'], $it['parent-author-name']),
 327                                                         'when' => $default_item_when,
 328                                                         'ago' => $default_item_ago,
 329                                                         'seen' => $it['seen']
 330                                                 ];
 331                                                 break;
 332
 333                                         case ACTIVITY_ATTENDMAYBE:
 334                                                 $notif = [
 335                                                         'label' => 'attendmaybe',
 336                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 337                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 338                                                         'url' => $it['author-link'],
 339                                                         'text' => L10n::t("%s may attend %s's event", $it['author-name'], $it['parent-author-name']),
 340                                                         'when' => $default_item_when,
 341                                                         'ago' => $default_item_ago,
 342                                                         'seen' => $it['seen']
 343                                                 ];
 344                                                 break;
 345
 346                                         case ACTIVITY_FRIEND:
 347                                                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 348                                                 $obj = XML::parseString($xmlhead . $it['object']);
 349                                                 $it['fname'] = $obj->title;
 350
 351                                                 $notif = [
 352                                                         'label' => 'friend',
 353                                                         'link' => System::baseUrl(true) . '/display/' . $it['parent-guid'],
 354                                                         'image' => ProxyUtils::proxifyUrl($it['author-avatar'], false, ProxyUtils::SIZE_MICRO),
 355                                                         'url' => $it['author-link'],
 356                                                         'text' => L10n::t("%s is now friends with %s", $it['author-name'], $it['fname']),
 357                                                         'when' => $default_item_when,
 358                                                         'ago' => $default_item_ago,
 359                                                         'seen' => $it['seen']
 360                                                 ];
 361                                                 break;
 362
 363                                         default:
 364                                                 $notif = [
 365                                                         'label' => $default_item_label,
 366                                                         'link' => $default_item_link,
 367                                                         'image' => $default_item_image,
 368                                                         'url' => $default_item_url,
 369                                                         'text' => $default_item_text,
 370                                                         'when' => $default_item_when,
 371                                                         'ago' => $default_item_ago,
 372                                                         'seen' => $it['seen']
 373                                                 ];
 374                                 }
 375
 376                                 $arr[] = $notif;
 377                         }
 378                 }
 379
 380                 return $arr;
 381         }
 382
 383         /**
 384          * @brief Get network notifications
 385          *
 386          * @param int|string $seen  If 0 only include notifications into the query
 387          *                              which aren't marked as "seen"
 388          * @param int        $start Start the query at this point
 389          * @param int        $limit Maximum number of query results
 390          *
 391          * @return array with
 392          *      string 'ident' => Notification identifier
 393          *      array 'notifications' => Network notifications
 394          */
 395         public function networkNotifs($seen = 0, $start = 0, $limit = 80)
 396         {
 397                 $ident = 'network';
 398                 $notifs = [];
 399
 400                 $condition = ['wall' => false, 'uid' => local_user()];
 401
 402                 if ($seen === 0) {
 403                         $condition['unseen'] = true;
 404                 }
 405
 406                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 407                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
 408                 $params = ['order' => ['created' => true], 'limit' => [$start, $limit]];
 409
 410                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 411
 412                 if (DBA::isResult($items)) {
 413                         $notifs = $this->formatNotifs(Item::inArray($items), $ident);
 414                 }
 415
 416                 $arr = [
 417                         'notifications' => $notifs,
 418                         'ident' => $ident,
 419                 ];
 420
 421                 return $arr;
 422         }
 423
 424         /**
 425          * @brief Get system notifications
 426          *
 427          * @param int|string $seen  If 0 only include notifications into the query
 428          *                              which aren't marked as "seen"
 429          * @param int        $start Start the query at this point
 430          * @param int        $limit Maximum number of query results
 431          *
 432          * @return array with
 433          *      string 'ident' => Notification identifier
 434          *      array 'notifications' => System notifications
 435          */
 436         public function systemNotifs($seen = 0, $start = 0, $limit = 80)
 437         {
 438                 $ident = 'system';
 439                 $notifs = [];
 440                 $sql_seen = "";
 441
 442                 if ($seen === 0) {
 443                         $sql_seen = " AND NOT `seen` ";
 444                 }
 445
 446                 $r = q(
 447                         "SELECT `id`, `url`, `photo`, `msg`, `date`, `seen`, `verb` FROM `notify`
 448                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 449                         intval(local_user()),
 450                         intval($start),
 451                         intval($limit)
 452                 );
 453
 454                 if (DBA::isResult($r)) {
 455                         $notifs = $this->formatNotifs($r, $ident);
 456                 }
 457
 458                 $arr = [
 459                         'notifications' => $notifs,
 460                         'ident' => $ident,
 461                 ];
 462
 463                 return $arr;
 464         }
 465
 466         /**
 467          * @brief Get personal notifications
 468          *
 469          * @param int|string $seen  If 0 only include notifications into the query
 470          *                              which aren't marked as "seen"
 471          * @param int        $start Start the query at this point
 472          * @param int        $limit Maximum number of query results
 473          *
 474          * @return array with
 475          *      string 'ident' => Notification identifier
 476          *      array 'notifications' => Personal notifications
 477          */
 478         public function personalNotifs($seen = 0, $start = 0, $limit = 80)
 479         {
 480                 $ident = 'personal';
 481                 $notifs = [];
 482
 483                 $myurl = str_replace('http://', '', self::getApp()->contact['nurl']);
 484                 $diasp_url = str_replace('/profile/', '/u/', $myurl);
 485
 486                 $condition = ["NOT `wall` AND `uid` = ? AND (`item`.`author-id` = ? OR `item`.`tag` REGEXP ? OR `item`.`tag` REGEXP ?)",
 487                         local_user(), public_contact(), $myurl . '\\]', $diasp_url . '\\]'];
 488
 489                 if ($seen === 0) {
 490                         $condition[0] .= " AND `unseen`";
 491                 }
 492
 493                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 494                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
 495                 $params = ['order' => ['created' => true], 'limit' => [$start, $limit]];
 496
 497                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 498
 499                 if (DBA::isResult($items)) {
 500                         $notifs = $this->formatNotifs(Item::inArray($items), $ident);
 501                 }
 502
 503                 $arr = [
 504                         'notifications' => $notifs,
 505                         'ident' => $ident,
 506                 ];
 507
 508                 return $arr;
 509         }
 510
 511         /**
 512          * @brief Get home notifications
 513          *
 514          * @param int|string $seen  If 0 only include notifications into the query
 515          *                              which aren't marked as "seen"
 516          * @param int        $start Start the query at this point
 517          * @param int        $limit Maximum number of query results
 518          *
 519          * @return array with
 520          *      string 'ident' => Notification identifier
 521          *      array 'notifications' => Home notifications
 522          */
 523         public function homeNotifs($seen = 0, $start = 0, $limit = 80)
 524         {
 525                 $ident = 'home';
 526                 $notifs = [];
 527
 528                 $condition = ['wall' => true, 'uid' => local_user()];
 529
 530                 if ($seen === 0) {
 531                         $condition['unseen'] = true;
 532                 }
 533
 534                 $fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
 535                         'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
 536                 $params = ['order' => ['created' => true], 'limit' => [$start, $limit]];
 537                 $items = Item::selectForUser(local_user(), $fields, $condition, $params);
 538
 539                 if (DBA::isResult($items)) {
 540                         $notifs = $this->formatNotifs(Item::inArray($items), $ident);
 541                 }
 542
 543                 $arr = [
 544                         'notifications' => $notifs,
 545                         'ident' => $ident,
 546                 ];
 547
 548                 return $arr;
 549         }
 550
 551         /**
 552          * @brief Get introductions
 553          *
 554          * @param bool $all   If false only include introductions into the query
 555          *                        which aren't marked as ignored
 556          * @param int  $start Start the query at this point
 557          * @param int  $limit Maximum number of query results
 558          *
 559          * @return array with
 560          *      string 'ident' => Notification identifier
 561          *      array 'notifications' => Introductions
 562          */
 563         public function introNotifs($all = false, $start = 0, $limit = 80)
 564         {
 565                 $ident = 'introductions';
 566                 $notifs = [];
 567                 $sql_extra = "";
 568
 569                 if (!$all) {
 570                         $sql_extra = " AND `ignore` = 0 ";
 571                 }
 572
 573                 /// @todo Fetch contact details by "Contact::getDetailsByUrl" instead of queries to contact, fcontact and gcontact
 574                 $r = q(
 575                         "SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 576                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`, `fcontact`.`addr` AS `faddr`,
 577                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 578                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 579                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 580                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 581                         FROM `intro`
 582                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 583                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 584                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 585                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 586                         LIMIT %d, %d",
 587                         intval($_SESSION['uid']),
 588                         intval($start),
 589                         intval($limit)
 590                 );
 591                 if (DBA::isResult($r)) {
 592                         $notifs = $this->formatIntros($r);
 593                 }
 594
 595                 $arr = [
 596                         'ident' => $ident,
 597                         'notifications' => $notifs,
 598                 ];
 599
 600                 return $arr;
 601         }
 602
 603         /**
 604          * @brief Format the notification query in an usable array
 605          *
 606          * @param array $intros The array from the db query
 607          * @return array with the introductions
 608          */
 609         private function formatIntros($intros)
 610         {
 611                 $knowyou = '';
 612
 613                 foreach ($intros as $it) {
 614                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 615                         // We have to distinguish between these two because they use different data.
 616                         // Contact suggestions
 617                         if ($it['fid']) {
 618                                 $return_addr = bin2hex(self::getApp()->user['nickname'] . '@' . self::getApp()->get_hostname() . ((self::getApp()->urlpath) ? '/' . self::getApp()->urlpath : ''));
 619
 620                                 $intro = [
 621                                         'label' => 'friend_suggestion',
 622                                         'notify_type' => L10n::t('Friend Suggestion'),
 623                                         'intro_id' => $it['intro_id'],
 624                                         'madeby' => $it['name'],
 625                                         'madeby_url' => $it['url'],
 626                                         'madeby_zrl' => Contact::magicLink($it['url']),
 627                                         'madeby_addr' => $it['addr'],
 628                                         'contact_id' => $it['contact-id'],
 629                                         'photo' => ((x($it, 'fphoto')) ? ProxyUtils::proxifyUrl($it['fphoto'], false, ProxyUtils::SIZE_SMALL) : "images/person-175.jpg"),
 630                                         'name' => $it['fname'],
 631                                         'url' => $it['furl'],
 632                                         'zrl' => Contact::magicLink($it['furl']),
 633                                         'hidden' => $it['hidden'] == 1,
 634                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 635                                         'knowyou' => $knowyou,
 636                                         'note' => $it['note'],
 637                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 638                                 ];
 639
 640                                 // Normal connection requests
 641                         } else {
 642                                 $it = $this->getMissingIntroData($it);
 643
 644                                 // Don't show these data until you are connected. Diaspora is doing the same.
 645                                 if ($it['gnetwork'] === Protocol::DIASPORA) {
 646                                         $it['glocation'] = "";
 647                                         $it['gabout'] = "";
 648                                         $it['ggender'] = "";
 649                                 }
 650                                 $intro = [
 651                                         'label' => (($it['network'] !== Protocol::OSTATUS) ? 'friend_request' : 'follower'),
 652                                         'notify_type' => (($it['network'] !== Protocol::OSTATUS) ? L10n::t('Friend/Connect Request') : L10n::t('New Follower')),
 653                                         'dfrn_id' => $it['issued-id'],
 654                                         'uid' => $_SESSION['uid'],
 655                                         'intro_id' => $it['intro_id'],
 656                                         'contact_id' => $it['contact-id'],
 657                                         'photo' => ((x($it, 'photo')) ? ProxyUtils::proxifyUrl($it['photo'], false, ProxyUtils::SIZE_SMALL) : "images/person-175.jpg"),
 658                                         'name' => $it['name'],
 659                                         'location' => BBCode::convert($it['glocation'], false),
 660                                         'about' => BBCode::convert($it['gabout'], false),
 661                                         'keywords' => $it['gkeywords'],
 662                                         'gender' => $it['ggender'],
 663                                         'hidden' => $it['hidden'] == 1,
 664                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 665                                         'url' => $it['url'],
 666                                         'zrl' => Contact::magicLink($it['url']),
 667                                         'addr' => $it['gaddr'],
 668                                         'network' => $it['gnetwork'],
 669                                         'knowyou' => $it['knowyou'],
 670                                         'note' => $it['note'],
 671                                 ];
 672                         }
 673
 674                         $arr[] = $intro;
 675                 }
 676
 677                 return $arr;
 678         }
 679
 680         /**
 681          * @brief Check for missing contact data and try to fetch the data from
 682          *     from other sources
 683          *
 684          * @param array $arr The input array with the intro data
 685          *
 686          * @return array The array with the intro data
 687          */
 688         private function getMissingIntroData($arr)
 689         {
 690                 // If the network and the addr isn't available from the gcontact
 691                 // table entry, take the one of the contact table entry
 692                 if ($arr['gnetwork'] == "") {
 693                         $arr['gnetwork'] = $arr['network'];
 694                 }
 695                 if ($arr['gaddr'] == "") {
 696                         $arr['gaddr'] = $arr['addr'];
 697                 }
 698
 699                 // If the network and addr is still not available
 700                 // get the missing data data from other sources
 701                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 702                         $ret = Contact::getDetailsByURL($arr['url']);
 703
 704                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 705                                 $arr['gnetwork'] = $ret['network'];
 706                         }
 707                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 708                                 $arr['gaddr'] = $ret['addr'];
 709                         }
 710                 }
 711
 712                 return $arr;
 713         }
 714 }