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\Core\L10n;
  12 use Friendica\Core\PConfig;
  13 use Friendica\Core\System;
  14 use Friendica\Database\DBM;
  15 use Friendica\Model\Contact;
  16 use Friendica\Model\Profile;
  17 use Friendica\Util\DateTimeFormat;
  18 use Friendica\Util\Temporal;
  19 use Friendica\Util\XML;
  20
  21 require_once 'include/dba.php';
  22 require_once 'include/html2plain.php';
  23
  24 /**
  25  * @brief Methods for read and write notifications from/to database
  26  *  or for formatting notifications
  27  */
  28 class NotificationsManager extends BaseObject
  29 {
  30         /**
  31          * @brief set some extra note properties
  32          *
  33          * @param array $notes array of note arrays from db
  34          * @return array Copy of input array with added properties
  35          *
  36          * Set some extra properties to note array from db:
  37          *  - timestamp as int in default TZ
  38          *  - date_rel : relative date string
  39          *  - msg_html: message as html string
  40          *  - msg_plain: message as plain text string
  41          */
  42         private function _set_extra($notes)
  43         {
  44                 $rets = [];
  45                 foreach ($notes as $n) {
  46                         $local_time = DateTimeFormat::local($n['date']);
  47                         $n['timestamp'] = strtotime($local_time);
  48                         $n['date_rel'] = Temporal::getRelativeDate($n['date']);
  49                         $n['msg_html'] = BBCode::convert($n['msg'], false);
  50                         $n['msg_plain'] = explode("\n", trim(html2plain($n['msg_html'], 0)))[0];
  51
  52                         $rets[] = $n;
  53                 }
  54                 return $rets;
  55         }
  56
  57         /**
  58          * @brief Get all notifications for local_user()
  59          *
  60          * @param array  $filter optional Array "column name"=>value: filter query by columns values
  61          * @param string $order  optional Space separated list of column to sort by.
  62          *                       Prepend name with "+" to sort ASC, "-" to sort DESC. Default to "-date"
  63          * @param string $limit  optional Query limits
  64          *
  65          * @return array of results or false on errors
  66          */
  67         public function getAll($filter = [], $order = "-date", $limit = "")
  68         {
  69                 $filter_str = [];
  70                 $filter_sql = "";
  71                 foreach ($filter as $column => $value) {
  72                         $filter_str[] = sprintf("`%s` = '%s'", $column, dbesc($value));
  73                 }
  74                 if (count($filter_str) > 0) {
  75                         $filter_sql = "AND " . implode(" AND ", $filter_str);
  76                 }
  77
  78                 $aOrder = explode(" ", $order);
  79                 $asOrder = [];
  80                 foreach ($aOrder as $o) {
  81                         $dir = "asc";
  82                         if ($o[0] === "-") {
  83                                 $dir = "desc";
  84                                 $o = substr($o, 1);
  85                         }
  86                         if ($o[0] === "+") {
  87                                 $dir = "asc";
  88                                 $o = substr($o, 1);
  89                         }
  90                         $asOrder[] = "$o $dir";
  91                 }
  92                 $order_sql = implode(", ", $asOrder);
  93
  94                 if ($limit != "") {
  95                         $limit = " LIMIT " . $limit;
  96                 }
  97                 $r = q(
  98                         "SELECT * FROM `notify` WHERE `uid` = %d $filter_sql ORDER BY $order_sql $limit",
  99                         intval(local_user())
 100                 );
 101
 102                 if (DBM::is_result($r)) {
 103                         return $this->_set_extra($r);
 104                 }
 105
 106                 return false;
 107         }
 108
 109         /**
 110          * @brief Get one note for local_user() by $id value
 111          *
 112          * @param int $id identity
 113          * @return array note values or null if not found
 114          */
 115         public function getByID($id)
 116         {
 117                 $r = q(
 118                         "SELECT * FROM `notify` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 119                         intval($id),
 120                         intval(local_user())
 121                 );
 122                 if (DBM::is_result($r)) {
 123                         return $this->_set_extra($r)[0];
 124                 }
 125                 return null;
 126         }
 127
 128         /**
 129          * @brief set seen state of $note of local_user()
 130          *
 131          * @param array $note note array
 132          * @param bool  $seen optional true or false, default true
 133          * @return bool true on success, false on errors
 134          */
 135         public function setSeen($note, $seen = true)
 136         {
 137                 return q(
 138                         "UPDATE `notify` SET `seen` = %d WHERE (`link` = '%s' OR (`parent` != 0 AND `parent` = %d AND `otype` = '%s')) AND `uid` = %d",
 139                         intval($seen),
 140                         dbesc($note['link']),
 141                         intval($note['parent']),
 142                         dbesc($note['otype']),
 143                         intval(local_user())
 144                 );
 145         }
 146
 147         /**
 148          * @brief set seen state of all notifications of local_user()
 149          *
 150          * @param bool $seen optional true or false. default true
 151          * @return bool true on success, false on error
 152          */
 153         public function setAllSeen($seen = true)
 154         {
 155                 return q(
 156                         "UPDATE `notify` SET `seen` = %d WHERE `uid` = %d",
 157                         intval($seen),
 158                         intval(local_user())
 159                 );
 160         }
 161
 162         /**
 163          * @brief List of pages for the Notifications TabBar
 164          *
 165          * @return array with with notifications TabBar data
 166          */
 167         public function getTabs()
 168         {
 169                 $tabs = [
 170                         [
 171                                 'label' => L10n::t('System'),
 172                                 'url'   => 'notifications/system',
 173                                 'sel'   => ((self::getApp()->argv[1] == 'system') ? 'active' : ''),
 174                                 'id'    => 'system-tab',
 175                                 'accesskey' => 'y',
 176                         ],
 177                         [
 178                                 'label' => L10n::t('Network'),
 179                                 'url'   => 'notifications/network',
 180                                 'sel'   => ((self::getApp()->argv[1] == 'network') ? 'active' : ''),
 181                                 'id'    => 'network-tab',
 182                                 'accesskey' => 'w',
 183                         ],
 184                         [
 185                                 'label' => L10n::t('Personal'),
 186                                 'url'   => 'notifications/personal',
 187                                 'sel'   => ((self::getApp()->argv[1] == 'personal') ? 'active' : ''),
 188                                 'id'    => 'personal-tab',
 189                                 'accesskey' => 'r',
 190                         ],
 191                         [
 192                                 'label' => L10n::t('Home'),
 193                                 'url'   => 'notifications/home',
 194                                 'sel'   => ((self::getApp()->argv[1] == 'home') ? 'active' : ''),
 195                                 'id'    => 'home-tab',
 196                                 'accesskey' => 'h',
 197                         ],
 198                         [
 199                                 'label' => L10n::t('Introductions'),
 200                                 'url'   => 'notifications/intros',
 201                                 'sel'   => ((self::getApp()->argv[1] == 'intros') ? 'active' : ''),
 202                                 'id'    => 'intro-tab',
 203                                 'accesskey' => 'i',
 204                         ],
 205                 ];
 206
 207                 return $tabs;
 208         }
 209
 210         /**
 211          * @brief Format the notification query in an usable array
 212          *
 213          * @param array  $notifs The array from the db query
 214          * @param string $ident  The notifications identifier (e.g. network)
 215          * @return array
 216          *      string 'label' => The type of the notification
 217          *      string 'link' => URL to the source
 218          *      string 'image' => The avatar image
 219          *      string 'url' => The profile url of the contact
 220          *      string 'text' => The notification text
 221          *      string 'when' => The date of the notification
 222          *      string 'ago' => T relative date of the notification
 223          *      bool 'seen' => Is the notification marked as "seen"
 224          */
 225         private function formatNotifs($notifs, $ident = "")
 226         {
 227                 $notif = [];
 228                 $arr = [];
 229
 230                 if (DBM::is_result($notifs)) {
 231                         foreach ($notifs as $it) {
 232                                 // Because we use different db tables for the notification query
 233                                 // we have sometimes $it['unseen'] and sometimes $it['seen].
 234                                 // So we will have to transform $it['unseen']
 235                                 if (array_key_exists('unseen', $it)) {
 236                                         $it['seen'] = ($it['unseen'] > 0 ? false : true);
 237                                 }
 238
 239                                 // Depending on the identifier of the notification we need to use different defaults
 240                                 switch ($ident) {
 241                                         case 'system':
 242                                                 $default_item_label = 'notify';
 243                                                 $default_item_link = System::baseUrl(true) . '/notify/view/' . $it['id'];
 244                                                 $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
 245                                                 $default_item_url = $it['url'];
 246                                                 $default_item_text = strip_tags(BBCode::convert($it['msg']));
 247                                                 $default_item_when = DateTimeFormat::local($it['date'], 'r');
 248                                                 $default_item_ago = Temporal::getRelativeDate($it['date']);
 249                                                 break;
 250
 251                                         case 'home':
 252                                                 $default_item_label = 'comment';
 253                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['pguid'];
 254                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 255                                                 $default_item_url = $it['author-link'];
 256                                                 $default_item_text = L10n::t("%s commented on %s's post", $it['author-name'], $it['pname']);
 257                                                 $default_item_when = DateTimeFormat::local($it['created'], 'r');
 258                                                 $default_item_ago = Temporal::getRelativeDate($it['created']);
 259                                                 break;
 260
 261                                         default:
 262                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 263                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['pguid'];
 264                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 265                                                 $default_item_url = $it['author-link'];
 266                                                 $default_item_text = (($it['id'] == $it['parent'])
 267                                                                         ? L10n::t("%s created a new post", $it['author-name'])
 268                                                                         : L10n::t("%s commented on %s's post", $it['author-name'], $it['pname']));
 269                                                 $default_item_when = DateTimeFormat::local($it['created'], 'r');
 270                                                 $default_item_ago = Temporal::getRelativeDate($it['created']);
 271                                 }
 272
 273                                 // Transform the different types of notification in an usable array
 274                                 switch ($it['verb']) {
 275                                         case ACTIVITY_LIKE:
 276                                                 $notif = [
 277                                                         'label' => 'like',
 278                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 279                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 280                                                         'url' => $it['author-link'],
 281                                                         'text' => L10n::t("%s liked %s's post", $it['author-name'], $it['pname']),
 282                                                         'when' => $default_item_when,
 283                                                         'ago' => $default_item_ago,
 284                                                         'seen' => $it['seen']
 285                                                 ];
 286                                                 break;
 287
 288                                         case ACTIVITY_DISLIKE:
 289                                                 $notif = [
 290                                                         'label' => 'dislike',
 291                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 292                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 293                                                         'url' => $it['author-link'],
 294                                                         'text' => L10n::t("%s disliked %s's post", $it['author-name'], $it['pname']),
 295                                                         'when' => $default_item_when,
 296                                                         'ago' => $default_item_ago,
 297                                                         'seen' => $it['seen']
 298                                                 ];
 299                                                 break;
 300
 301                                         case ACTIVITY_ATTEND:
 302                                                 $notif = [
 303                                                         'label' => 'attend',
 304                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 305                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 306                                                         'url' => $it['author-link'],
 307                                                         'text' => L10n::t("%s is attending %s's event", $it['author-name'], $it['pname']),
 308                                                         'when' => $default_item_when,
 309                                                         'ago' => $default_item_ago,
 310                                                         'seen' => $it['seen']
 311                                                 ];
 312                                                 break;
 313
 314                                         case ACTIVITY_ATTENDNO:
 315                                                 $notif = [
 316                                                         'label' => 'attendno',
 317                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 318                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 319                                                         'url' => $it['author-link'],
 320                                                         'text' => L10n::t("%s is not attending %s's event", $it['author-name'], $it['pname']),
 321                                                         'when' => $default_item_when,
 322                                                         'ago' => $default_item_ago,
 323                                                         'seen' => $it['seen']
 324                                                 ];
 325                                                 break;
 326
 327                                         case ACTIVITY_ATTENDMAYBE:
 328                                                 $notif = [
 329                                                         'label' => 'attendmaybe',
 330                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 331                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 332                                                         'url' => $it['author-link'],
 333                                                         'text' => L10n::t("%s may attend %s's event", $it['author-name'], $it['pname']),
 334                                                         'when' => $default_item_when,
 335                                                         'ago' => $default_item_ago,
 336                                                         'seen' => $it['seen']
 337                                                 ];
 338                                                 break;
 339
 340                                         case ACTIVITY_FRIEND:
 341                                                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 342                                                 $obj = XML::parseString($xmlhead . $it['object']);
 343                                                 $it['fname'] = $obj->title;
 344
 345                                                 $notif = [
 346                                                         'label' => 'friend',
 347                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 348                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 349                                                         'url' => $it['author-link'],
 350                                                         'text' => L10n::t("%s is now friends with %s", $it['author-name'], $it['fname']),
 351                                                         'when' => $default_item_when,
 352                                                         'ago' => $default_item_ago,
 353                                                         'seen' => $it['seen']
 354                                                 ];
 355                                                 break;
 356
 357                                         default:
 358                                                 $notif = [
 359                                                         'label' => $default_item_label,
 360                                                         'link' => $default_item_link,
 361                                                         'image' => $default_item_image,
 362                                                         'url' => $default_item_url,
 363                                                         'text' => $default_item_text,
 364                                                         'when' => $default_item_when,
 365                                                         'ago' => $default_item_ago,
 366                                                         'seen' => $it['seen']
 367                                                 ];
 368                                 }
 369
 370                                 $arr[] = $notif;
 371                         }
 372                 }
 373
 374                 return $arr;
 375         }
 376
 377         /**
 378          * @brief Total number of network notifications
 379          * @param int|string $seen If 0 only include notifications into the query
 380          *                             which aren't marked as "seen"
 381          *
 382          * @return int Number of network notifications
 383          */
 384         private function networkTotal($seen = 0)
 385         {
 386                 $sql_seen = "";
 387                 $index_hint = "";
 388
 389                 if ($seen === 0) {
 390                         $sql_seen = " AND `item`.`unseen` ";
 391                         $index_hint = "USE INDEX (`uid_unseen_contactid`)";
 392                 }
 393
 394                 $r = q(
 395                         "SELECT COUNT(*) AS `total`
 396                                 FROM `item` $index_hint STRAIGHT_JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 397                                 WHERE `item`.`visible` AND `pitem`.`parent` != 0 AND
 398                                 NOT `item`.`deleted` AND `item`.`uid` = %d AND NOT `item`.`wall`
 399                                 $sql_seen",
 400                         intval(local_user())
 401                 );
 402                 if (DBM::is_result($r)) {
 403                         return $r[0]['total'];
 404                 }
 405
 406                 return 0;
 407         }
 408
 409         /**
 410          * @brief Get network notifications
 411          *
 412          * @param int|string $seen  If 0 only include notifications into the query
 413          *                              which aren't marked as "seen"
 414          * @param int        $start Start the query at this point
 415          * @param int        $limit Maximum number of query results
 416          *
 417          * @return array with
 418          *      string 'ident' => Notification identifier
 419          *      int 'total' => Total number of available network notifications
 420          *      array 'notifications' => Network notifications
 421          */
 422         public function networkNotifs($seen = 0, $start = 0, $limit = 80)
 423         {
 424                 $ident = 'network';
 425                 $total = $this->networkTotal($seen);
 426                 $notifs = [];
 427                 $sql_seen = "";
 428                 $index_hint = "";
 429
 430                 if ($seen === 0) {
 431                         $sql_seen = " AND `item`.`unseen` ";
 432                         $index_hint = "USE INDEX (`uid_unseen_contactid`)";
 433                 }
 434
 435                 $r = q(
 436                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 437                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 438                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 439                         FROM `item` $index_hint STRAIGHT_JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 440                         WHERE `item`.`visible` AND `pitem`.`parent` != 0 AND
 441                                 NOT `item`.`deleted` AND `item`.`uid` = %d AND NOT `item`.`wall`
 442                                 $sql_seen
 443                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 444                         intval(local_user()),
 445                         intval($start),
 446                         intval($limit)
 447                 );
 448                 if (DBM::is_result($r)) {
 449                         $notifs = $this->formatNotifs($r, $ident);
 450                 }
 451
 452                 $arr = [
 453                         'notifications' => $notifs,
 454                         'ident' => $ident,
 455                         'total' => $total,
 456                 ];
 457
 458                 return $arr;
 459         }
 460
 461         /**
 462          * @brief Total number of system notifications
 463          * @param int|string $seen If 0 only include notifications into the query
 464          *                             which aren't marked as "seen"
 465          *
 466          * @return int Number of system notifications
 467          */
 468         private function systemTotal($seen = 0)
 469         {
 470                 $sql_seen = "";
 471
 472                 if ($seen === 0) {
 473                         $sql_seen = " AND NOT `seen` ";
 474                 }
 475
 476                 $r = q(
 477                         "SELECT COUNT(*) AS `total` FROM `notify` WHERE `uid` = %d $sql_seen",
 478                         intval(local_user())
 479                 );
 480                 if (DBM::is_result($r)) {
 481                         return $r[0]['total'];
 482                 }
 483
 484                 return 0;
 485         }
 486
 487         /**
 488          * @brief Get system notifications
 489          *
 490          * @param int|string $seen  If 0 only include notifications into the query
 491          *                              which aren't marked as "seen"
 492          * @param int        $start Start the query at this point
 493          * @param int        $limit Maximum number of query results
 494          *
 495          * @return array with
 496          *      string 'ident' => Notification identifier
 497          *      int 'total' => Total number of available system notifications
 498          *      array 'notifications' => System notifications
 499          */
 500         public function systemNotifs($seen = 0, $start = 0, $limit = 80)
 501         {
 502                 $ident = 'system';
 503                 $total = $this->systemTotal($seen);
 504                 $notifs = [];
 505                 $sql_seen = "";
 506
 507                 if ($seen === 0) {
 508                         $sql_seen = " AND NOT `seen` ";
 509                 }
 510
 511                 $r = q(
 512                         "SELECT `id`, `url`, `photo`, `msg`, `date`, `seen` FROM `notify`
 513                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 514                         intval(local_user()),
 515                         intval($start),
 516                         intval($limit)
 517                 );
 518                 if (DBM::is_result($r)) {
 519                         $notifs = $this->formatNotifs($r, $ident);
 520                 }
 521
 522                 $arr = [
 523                         'notifications' => $notifs,
 524                         'ident' => $ident,
 525                         'total' => $total,
 526                 ];
 527
 528                 return $arr;
 529         }
 530
 531         /**
 532          * @brief Additional SQL query string for the personal notifications
 533          *
 534          * @return string The additional SQL query
 535          */
 536         private function personalSqlExtra()
 537         {
 538                 $myurl = System::baseUrl(true) . '/profile/' . self::getApp()->user['nickname'];
 539                 $myurl = substr($myurl, strpos($myurl, '://') + 3);
 540                 $myurl = str_replace(['www.', '.'], ['', '\\.'], $myurl);
 541                 $diasp_url = str_replace('/profile/', '/u/', $myurl);
 542                 $sql_extra = sprintf(
 543                         " AND (`item`.`author-link` REGEXP '%s' OR `item`.`tag` REGEXP '%s' OR `item`.`tag` REGEXP '%s') ",
 544                         dbesc($myurl . '$'),
 545                         dbesc($myurl . '\\]'),
 546                         dbesc($diasp_url . '\\]')
 547                 );
 548
 549                 return $sql_extra;
 550         }
 551
 552         /**
 553          * @brief Total number of personal notifications
 554          * @param int|string $seen If 0 only include notifications into the query
 555          *                             which aren't marked as "seen"
 556          *
 557          * @return int Number of personal notifications
 558          */
 559         private function personalTotal($seen = 0)
 560         {
 561                 $sql_seen = "";
 562                 $index_hint = "";
 563                 $sql_extra = $this->personalSqlExtra();
 564
 565                 if ($seen === 0) {
 566                         $sql_seen = " AND `item`.`unseen` ";
 567                         $index_hint = "USE INDEX (`uid_unseen_contactid`)";
 568                 }
 569
 570                 $r = q(
 571                         "SELECT COUNT(*) AS `total`
 572                                 FROM `item` $index_hint
 573                                 WHERE `item`.`visible`
 574                                 $sql_extra
 575                                 $sql_seen
 576                                 AND NOT `item`.`deleted` AND `item`.`uid` = %d AND NOT `item`.`wall`",
 577                         intval(local_user())
 578                 );
 579                 if (DBM::is_result($r)) {
 580                         return $r[0]['total'];
 581                 }
 582
 583                 return 0;
 584         }
 585
 586         /**
 587          * @brief Get personal notifications
 588          *
 589          * @param int|string $seen  If 0 only include notifications into the query
 590          *                              which aren't marked as "seen"
 591          * @param int        $start Start the query at this point
 592          * @param int        $limit Maximum number of query results
 593          *
 594          * @return array with
 595          *      string 'ident' => Notification identifier
 596          *      int 'total' => Total number of available personal notifications
 597          *      array 'notifications' => Personal notifications
 598          */
 599         public function personalNotifs($seen = 0, $start = 0, $limit = 80)
 600         {
 601                 $ident = 'personal';
 602                 $total = $this->personalTotal($seen);
 603                 $sql_extra = $this->personalSqlExtra();
 604                 $notifs = [];
 605                 $sql_seen = "";
 606                 $index_hint = "";
 607
 608                 if ($seen === 0) {
 609                         $sql_seen = " AND `item`.`unseen` ";
 610                         $index_hint = "USE INDEX (`uid_unseen_contactid`)";
 611                 }
 612
 613                 $r = q(
 614                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 615                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 616                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 617                         FROM `item` $index_hint STRAIGHT_JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 618                         WHERE `item`.`visible`
 619                                 $sql_extra
 620                                 $sql_seen
 621                                 AND NOT `item`.`deleted` AND `item`.`uid` = %d AND NOT `item`.`wall`
 622                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 623                         intval(local_user()),
 624                         intval($start),
 625                         intval($limit)
 626                 );
 627                 if (DBM::is_result($r)) {
 628                         $notifs = $this->formatNotifs($r, $ident);
 629                 }
 630
 631                 $arr = [
 632                         'notifications' => $notifs,
 633                         'ident' => $ident,
 634                         'total' => $total,
 635                 ];
 636
 637                 return $arr;
 638         }
 639
 640         /**
 641          * @brief Total number of home notifications
 642          * @param int|string $seen If 0 only include notifications into the query
 643          *                             which aren't marked as "seen"
 644          *
 645          * @return int Number of home notifications
 646          */
 647         private function homeTotal($seen = 0)
 648         {
 649                 $sql_seen = "";
 650                 $index_hint = "";
 651
 652                 if ($seen === 0) {
 653                         $sql_seen = " AND `item`.`unseen` ";
 654                         $index_hint = "USE INDEX (`uid_unseen_contactid`)";
 655                 }
 656
 657                 $r = q(
 658                         "SELECT COUNT(*) AS `total` FROM `item` $index_hint
 659                                 WHERE `item`.`visible` = 1 AND
 660                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 661                                 $sql_seen",
 662                         intval(local_user())
 663                 );
 664                 if (DBM::is_result($r)) {
 665                         return $r[0]['total'];
 666                 }
 667
 668                 return 0;
 669         }
 670
 671         /**
 672          * @brief Get home notifications
 673          *
 674          * @param int|string $seen  If 0 only include notifications into the query
 675          *                              which aren't marked as "seen"
 676          * @param int        $start Start the query at this point
 677          * @param int        $limit Maximum number of query results
 678          *
 679          * @return array with
 680          *      string 'ident' => Notification identifier
 681          *      int 'total' => Total number of available home notifications
 682          *      array 'notifications' => Home notifications
 683          */
 684         public function homeNotifs($seen = 0, $start = 0, $limit = 80)
 685         {
 686                 $ident = 'home';
 687                 $total = $this->homeTotal($seen);
 688                 $notifs = [];
 689                 $sql_seen = "";
 690                 $index_hint = "";
 691
 692                 if ($seen === 0) {
 693                         $sql_seen = " AND `item`.`unseen` ";
 694                         $index_hint = "USE INDEX (`uid_unseen_contactid`)";
 695                 }
 696
 697                 $r = q(
 698                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 699                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 700                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 701                         FROM `item` $index_hint STRAIGHT_JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 702                         WHERE `item`.`visible` AND
 703                                 NOT `item`.`deleted` AND `item`.`uid` = %d AND `item`.`wall`
 704                                 $sql_seen
 705                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 706                         intval(local_user()),
 707                         intval($start),
 708                         intval($limit)
 709                 );
 710                 if (DBM::is_result($r)) {
 711                         $notifs = $this->formatNotifs($r, $ident);
 712                 }
 713
 714                 $arr = [
 715                         'notifications' => $notifs,
 716                         'ident' => $ident,
 717                         'total' => $total,
 718                 ];
 719
 720                 return $arr;
 721         }
 722
 723         /**
 724          * @brief Total number of introductions
 725          * @param bool $all If false only include introductions into the query
 726          *                      which aren't marked as ignored
 727          *
 728          * @return int Number of introductions
 729          */
 730         private function introTotal($all = false)
 731         {
 732                 $sql_extra = "";
 733
 734                 if (!$all) {
 735                         $sql_extra = " AND `ignore` = 0 ";
 736                 }
 737
 738                 $r = q(
 739                         "SELECT COUNT(*) AS `total` FROM `intro`
 740                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0 ",
 741                         intval($_SESSION['uid'])
 742                 );
 743
 744                 if (DBM::is_result($r)) {
 745                         return $r[0]['total'];
 746                 }
 747
 748                 return 0;
 749         }
 750
 751         /**
 752          * @brief Get introductions
 753          *
 754          * @param bool $all   If false only include introductions into the query
 755          *                        which aren't marked as ignored
 756          * @param int  $start Start the query at this point
 757          * @param int  $limit Maximum number of query results
 758          *
 759          * @return array with
 760          *      string 'ident' => Notification identifier
 761          *      int 'total' => Total number of available introductions
 762          *      array 'notifications' => Introductions
 763          */
 764         public function introNotifs($all = false, $start = 0, $limit = 80)
 765         {
 766                 $ident = 'introductions';
 767                 $total = $this->introTotal($all);
 768                 $notifs = [];
 769                 $sql_extra = "";
 770
 771                 if (!$all) {
 772                         $sql_extra = " AND `ignore` = 0 ";
 773                 }
 774
 775                 /// @todo Fetch contact details by "Contact::getDetailsByUrl" instead of queries to contact, fcontact and gcontact
 776                 $r = q(
 777                         "SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 778                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`,
 779                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 780                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 781                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 782                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 783                         FROM `intro`
 784                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 785                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 786                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 787                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 788                         LIMIT %d, %d",
 789                         intval($_SESSION['uid']),
 790                         intval($start),
 791                         intval($limit)
 792                 );
 793                 if (DBM::is_result($r)) {
 794                         $notifs = $this->formatIntros($r);
 795                 }
 796
 797                 $arr = [
 798                         'ident' => $ident,
 799                         'total' => $total,
 800                         'notifications' => $notifs,
 801                 ];
 802
 803                 return $arr;
 804         }
 805
 806         /**
 807          * @brief Format the notification query in an usable array
 808          *
 809          * @param array $intros The array from the db query
 810          * @return array with the introductions
 811          */
 812         private function formatIntros($intros)
 813         {
 814                 $knowyou = '';
 815
 816                 foreach ($intros as $it) {
 817                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 818                         // We have to distinguish between these two because they use different data.
 819                         // Contact suggestions
 820                         if ($it['fid']) {
 821                                 $return_addr = bin2hex(self::getApp()->user['nickname'] . '@' . self::getApp()->get_hostname() . ((self::getApp()->path) ? '/' . self::getApp()->path : ''));
 822
 823                                 $intro = [
 824                                         'label' => 'friend_suggestion',
 825                                         'notify_type' => L10n::t('Friend Suggestion'),
 826                                         'intro_id' => $it['intro_id'],
 827                                         'madeby' => $it['name'],
 828                                         'contact_id' => $it['contact-id'],
 829                                         'photo' => ((x($it, 'fphoto')) ? proxy_url($it['fphoto'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 830                                         'name' => $it['fname'],
 831                                         'url' => Profile::zrl($it['furl']),
 832                                         'hidden' => $it['hidden'] == 1,
 833                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 834                                         'knowyou' => $knowyou,
 835                                         'note' => $it['note'],
 836                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 837                                 ];
 838
 839                                 // Normal connection requests
 840                         } else {
 841                                 $it = $this->getMissingIntroData($it);
 842
 843                                 // Don't show these data until you are connected. Diaspora is doing the same.
 844                                 if ($it['gnetwork'] === NETWORK_DIASPORA) {
 845                                         $it['glocation'] = "";
 846                                         $it['gabout'] = "";
 847                                         $it['ggender'] = "";
 848                                 }
 849                                 $intro = [
 850                                         'label' => (($it['network'] !== NETWORK_OSTATUS) ? 'friend_request' : 'follower'),
 851                                         'notify_type' => (($it['network'] !== NETWORK_OSTATUS) ? L10n::t('Friend/Connect Request') : L10n::t('New Follower')),
 852                                         'dfrn_id' => $it['issued-id'],
 853                                         'uid' => $_SESSION['uid'],
 854                                         'intro_id' => $it['intro_id'],
 855                                         'contact_id' => $it['contact-id'],
 856                                         'photo' => ((x($it, 'photo')) ? proxy_url($it['photo'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 857                                         'name' => $it['name'],
 858                                         'location' => BBCode::convert($it['glocation'], false),
 859                                         'about' => BBCode::convert($it['gabout'], false),
 860                                         'keywords' => $it['gkeywords'],
 861                                         'gender' => $it['ggender'],
 862                                         'hidden' => $it['hidden'] == 1,
 863                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 864                                         'url' => $it['url'],
 865                                         'zrl' => Profile::zrl($it['url']),
 866                                         'addr' => $it['gaddr'],
 867                                         'network' => $it['gnetwork'],
 868                                         'knowyou' => $it['knowyou'],
 869                                         'note' => $it['note'],
 870                                 ];
 871                         }
 872
 873                         $arr[] = $intro;
 874                 }
 875
 876                 return $arr;
 877         }
 878
 879         /**
 880          * @brief Check for missing contact data and try to fetch the data from
 881          *     from other sources
 882          *
 883          * @param array $arr The input array with the intro data
 884          *
 885          * @return array The array with the intro data
 886          */
 887         private function getMissingIntroData($arr)
 888         {
 889                 // If the network and the addr isn't available from the gcontact
 890                 // table entry, take the one of the contact table entry
 891                 if ($arr['gnetwork'] == "") {
 892                         $arr['gnetwork'] = $arr['network'];
 893                 }
 894                 if ($arr['gaddr'] == "") {
 895                         $arr['gaddr'] = $arr['addr'];
 896                 }
 897
 898                 // If the network and addr is still not available
 899                 // get the missing data data from other sources
 900                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 901                         $ret = Contact::getDetailsByURL($arr['url']);
 902
 903                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 904                                 $arr['gnetwork'] = $ret['network'];
 905                         }
 906                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 907                                 $arr['gaddr'] = $ret['addr'];
 908                         }
 909                 }
 910
 911                 return $arr;
 912         }
 913 }