src/Core/NotificationsManager.php

   1 <?php
   2
   3 /**
   4  * @file src/Core/NotificationsManager.php
   5  * @brief Methods for read and write notifications from/to database
   6  *  or for formatting notifications
   7  */
   8
   9 namespace Friendica\Core;
  10
  11 use Friendica\BaseObject;
  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
  18 require_once 'include/dba.php';
  19 require_once 'include/html2plain.php';
  20 require_once 'include/datetime.php';
  21 require_once 'include/bbcode.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 = datetime_convert('UTC', date_default_timezone_get(), $n['date']);
  46                         $n['timestamp'] = strtotime($local_time);
  47                         $n['date_rel'] = relative_date($n['date']);
  48                         $n['msg_html'] = bbcode($n['msg'], false, false, false, false);
  49                         $n['msg_plain'] = explode("\n", trim(html2plain($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'", $column, dbesc($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 $limit",
  98                         intval(local_user())
  99                 );
 100
 101                 if (DBM::is_result($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 (DBM::is_result($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                         dbesc($note['link']),
 140                         intval($note['parent']),
 141                         dbesc($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' => 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' => 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' => 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' => 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' => 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 $ident  The notifications identifier (e.g. network)
 214          * @return array
 215          *      string 'label' => The type of the notification
 216          *      string 'link' => URL to the source
 217          *      string 'image' => The avatar image
 218          *      string 'url' => The profile url of the contact
 219          *      string 'text' => The notification text
 220          *      string 'when' => The date of the notification
 221          *      string 'ago' => T relative date of the notification
 222          *      bool 'seen' => Is the notification marked as "seen"
 223          */
 224         private function formatNotifs($notifs, $ident = "")
 225         {
 226                 $notif = [];
 227                 $arr = [];
 228
 229                 if (DBM::is_result($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                                 // Depending on the identifier of the notification we need to use different defaults
 239                                 switch ($ident) {
 240                                         case 'system':
 241                                                 $default_item_label = 'notify';
 242                                                 $default_item_link = System::baseUrl(true) . '/notify/view/' . $it['id'];
 243                                                 $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
 244                                                 $default_item_url = $it['url'];
 245                                                 $default_item_text = strip_tags(bbcode($it['msg']));
 246                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['date'], 'r');
 247                                                 $default_item_ago = relative_date($it['date']);
 248                                                 break;
 249
 250                                         case 'home':
 251                                                 $default_item_label = 'comment';
 252                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['pguid'];
 253                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 254                                                 $default_item_url = $it['author-link'];
 255                                                 $default_item_text = sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']);
 256                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
 257                                                 $default_item_ago = relative_date($it['created']);
 258                                                 break;
 259
 260                                         default:
 261                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 262                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['pguid'];
 263                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 264                                                 $default_item_url = $it['author-link'];
 265                                                 $default_item_text = (($it['id'] == $it['parent'])
 266                                                                         ? sprintf(t("%s created a new post"), $it['author-name'])
 267                                                                         : sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']));
 268                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
 269                                                 $default_item_ago = relative_date($it['created']);
 270                                 }
 271
 272                                 // Transform the different types of notification in an usable array
 273                                 switch ($it['verb']) {
 274                                         case ACTIVITY_LIKE:
 275                                                 $notif = [
 276                                                         'label' => 'like',
 277                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 278                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 279                                                         'url' => $it['author-link'],
 280                                                         'text' => sprintf(t("%s liked %s's post"), $it['author-name'], $it['pname']),
 281                                                         'when' => $default_item_when,
 282                                                         'ago' => $default_item_ago,
 283                                                         'seen' => $it['seen']
 284                                                 ];
 285                                                 break;
 286
 287                                         case ACTIVITY_DISLIKE:
 288                                                 $notif = [
 289                                                         'label' => 'dislike',
 290                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 291                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 292                                                         'url' => $it['author-link'],
 293                                                         'text' => sprintf(t("%s disliked %s's post"), $it['author-name'], $it['pname']),
 294                                                         'when' => $default_item_when,
 295                                                         'ago' => $default_item_ago,
 296                                                         'seen' => $it['seen']
 297                                                 ];
 298                                                 break;
 299
 300                                         case ACTIVITY_ATTEND:
 301                                                 $notif = [
 302                                                         'label' => 'attend',
 303                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 304                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 305                                                         'url' => $it['author-link'],
 306                                                         'text' => sprintf(t("%s is attending %s's event"), $it['author-name'], $it['pname']),
 307                                                         'when' => $default_item_when,
 308                                                         'ago' => $default_item_ago,
 309                                                         'seen' => $it['seen']
 310                                                 ];
 311                                                 break;
 312
 313                                         case ACTIVITY_ATTENDNO:
 314                                                 $notif = [
 315                                                         'label' => 'attendno',
 316                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 317                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 318                                                         'url' => $it['author-link'],
 319                                                         'text' => sprintf(t("%s is not attending %s's event"), $it['author-name'], $it['pname']),
 320                                                         'when' => $default_item_when,
 321                                                         'ago' => $default_item_ago,
 322                                                         'seen' => $it['seen']
 323                                                 ];
 324                                                 break;
 325
 326                                         case ACTIVITY_ATTENDMAYBE:
 327                                                 $notif = [
 328                                                         'label' => 'attendmaybe',
 329                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 330                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 331                                                         'url' => $it['author-link'],
 332                                                         'text' => sprintf(t("%s may attend %s's event"), $it['author-name'], $it['pname']),
 333                                                         'when' => $default_item_when,
 334                                                         'ago' => $default_item_ago,
 335                                                         'seen' => $it['seen']
 336                                                 ];
 337                                                 break;
 338
 339                                         case ACTIVITY_FRIEND:
 340                                                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 341                                                 $obj = parse_xml_string($xmlhead . $it['object']);
 342                                                 $it['fname'] = $obj->title;
 343
 344                                                 $notif = [
 345                                                         'label' => 'friend',
 346                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 347                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 348                                                         'url' => $it['author-link'],
 349                                                         'text' => sprintf(t("%s is now friends with %s"), $it['author-name'], $it['fname']),
 350                                                         'when' => $default_item_when,
 351                                                         'ago' => $default_item_ago,
 352                                                         'seen' => $it['seen']
 353                                                 ];
 354                                                 break;
 355
 356                                         default:
 357                                                 $notif = [
 358                                                         'label' => $default_item_label,
 359                                                         'link' => $default_item_link,
 360                                                         'image' => $default_item_image,
 361                                                         'url' => $default_item_url,
 362                                                         'text' => $default_item_text,
 363                                                         'when' => $default_item_when,
 364                                                         'ago' => $default_item_ago,
 365                                                         'seen' => $it['seen']
 366                                                 ];
 367                                 }
 368
 369                                 $arr[] = $notif;
 370                         }
 371                 }
 372
 373                 return $arr;
 374         }
 375
 376         /**
 377          * @brief Total number of network notifications
 378          * @param int|string $seen If 0 only include notifications into the query
 379          *                             which aren't marked as "seen"
 380          *
 381          * @return int Number of network notifications
 382          */
 383         private function networkTotal($seen = 0)
 384         {
 385                 $sql_seen = "";
 386
 387                 if ($seen === 0) {
 388                         $sql_seen = " AND `item`.`unseen` = 1 ";
 389                 }
 390
 391                 $r = q(
 392                         "SELECT COUNT(*) AS `total`
 393                                 FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 394                                 WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 395                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 396                                 $sql_seen",
 397                         intval(local_user())
 398                 );
 399                 if (DBM::is_result($r)) {
 400                         return $r[0]['total'];
 401                 }
 402
 403                 return 0;
 404         }
 405
 406         /**
 407          * @brief Get network notifications
 408          *
 409          * @param int|string $seen  If 0 only include notifications into the query
 410          *                              which aren't marked as "seen"
 411          * @param int        $start Start the query at this point
 412          * @param int        $limit Maximum number of query results
 413          *
 414          * @return array with
 415          *      string 'ident' => Notification identifier
 416          *      int 'total' => Total number of available network notifications
 417          *      array 'notifications' => Network notifications
 418          */
 419         public function networkNotifs($seen = 0, $start = 0, $limit = 80)
 420         {
 421                 $ident = 'network';
 422                 $total = $this->networkTotal($seen);
 423                 $notifs = [];
 424                 $sql_seen = "";
 425
 426                 if ($seen === 0) {
 427                         $sql_seen = " AND `item`.`unseen` = 1 ";
 428                 }
 429
 430                 $r = q(
 431                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 432                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 433                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 434                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 435                         WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 436                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 437                                 $sql_seen
 438                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 439                         intval(local_user()),
 440                         intval($start),
 441                         intval($limit)
 442                 );
 443                 if (DBM::is_result($r)) {
 444                         $notifs = $this->formatNotifs($r, $ident);
 445                 }
 446
 447                 $arr = [
 448                         'notifications' => $notifs,
 449                         'ident' => $ident,
 450                         'total' => $total,
 451                 ];
 452
 453                 return $arr;
 454         }
 455
 456         /**
 457          * @brief Total number of system notifications
 458          * @param int|string $seen If 0 only include notifications into the query
 459          *                             which aren't marked as "seen"
 460          *
 461          * @return int Number of system notifications
 462          */
 463         private function systemTotal($seen = 0)
 464         {
 465                 $sql_seen = "";
 466
 467                 if ($seen === 0) {
 468                         $sql_seen = " AND `seen` = 0 ";
 469                 }
 470
 471                 $r = q(
 472                         "SELECT COUNT(*) AS `total` FROM `notify` WHERE `uid` = %d $sql_seen",
 473                         intval(local_user())
 474                 );
 475                 if (DBM::is_result($r)) {
 476                         return $r[0]['total'];
 477                 }
 478
 479                 return 0;
 480         }
 481
 482         /**
 483          * @brief Get system notifications
 484          *
 485          * @param int|string $seen  If 0 only include notifications into the query
 486          *                              which aren't marked as "seen"
 487          * @param int        $start Start the query at this point
 488          * @param int        $limit Maximum number of query results
 489          *
 490          * @return array with
 491          *      string 'ident' => Notification identifier
 492          *      int 'total' => Total number of available system notifications
 493          *      array 'notifications' => System notifications
 494          */
 495         public function systemNotifs($seen = 0, $start = 0, $limit = 80)
 496         {
 497                 $ident = 'system';
 498                 $total = $this->systemTotal($seen);
 499                 $notifs = [];
 500                 $sql_seen = "";
 501
 502                 if ($seen === 0) {
 503                         $sql_seen = " AND `seen` = 0 ";
 504                 }
 505
 506                 $r = q(
 507                         "SELECT `id`, `url`, `photo`, `msg`, `date`, `seen` FROM `notify`
 508                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 509                         intval(local_user()),
 510                         intval($start),
 511                         intval($limit)
 512                 );
 513                 if (DBM::is_result($r)) {
 514                         $notifs = $this->formatNotifs($r, $ident);
 515                 }
 516
 517                 $arr = [
 518                         'notifications' => $notifs,
 519                         'ident' => $ident,
 520                         'total' => $total,
 521                 ];
 522
 523                 return $arr;
 524         }
 525
 526         /**
 527          * @brief Additional SQL query string for the personal notifications
 528          *
 529          * @return string The additional SQL query
 530          */
 531         private function personalSqlExtra()
 532         {
 533                 $myurl = System::baseUrl(true) . '/profile/' . self::getApp()->user['nickname'];
 534                 $myurl = substr($myurl, strpos($myurl, '://') + 3);
 535                 $myurl = str_replace(['www.', '.'], ['', '\\.'], $myurl);
 536                 $diasp_url = str_replace('/profile/', '/u/', $myurl);
 537                 $sql_extra = sprintf(
 538                         " AND ( `item`.`author-link` regexp '%s' OR `item`.`tag` regexp '%s' OR `item`.`tag` regexp '%s' ) ",
 539                         dbesc($myurl . '$'),
 540                         dbesc($myurl . '\\]'),
 541                         dbesc($diasp_url . '\\]')
 542                 );
 543
 544                 return $sql_extra;
 545         }
 546
 547         /**
 548          * @brief Total number of personal notifications
 549          * @param int|string $seen If 0 only include notifications into the query
 550          *                             which aren't marked as "seen"
 551          *
 552          * @return int Number of personal notifications
 553          */
 554         private function personalTotal($seen = 0)
 555         {
 556                 $sql_seen = "";
 557                 $sql_extra = $this->personalSqlExtra();
 558
 559                 if ($seen === 0) {
 560                         $sql_seen = " AND `item`.`unseen` = 1 ";
 561                 }
 562
 563                 $r = q(
 564                         "SELECT COUNT(*) AS `total`
 565                                 FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 566                                 WHERE `item`.`visible` = 1
 567                                 $sql_extra
 568                                 $sql_seen
 569                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0 ",
 570                         intval(local_user())
 571                 );
 572                 if (DBM::is_result($r)) {
 573                         return $r[0]['total'];
 574                 }
 575
 576                 return 0;
 577         }
 578
 579         /**
 580          * @brief Get personal notifications
 581          *
 582          * @param int|string $seen  If 0 only include notifications into the query
 583          *                              which aren't marked as "seen"
 584          * @param int        $start Start the query at this point
 585          * @param int        $limit Maximum number of query results
 586          *
 587          * @return array with
 588          *      string 'ident' => Notification identifier
 589          *      int 'total' => Total number of available personal notifications
 590          *      array 'notifications' => Personal notifications
 591          */
 592         public function personalNotifs($seen = 0, $start = 0, $limit = 80)
 593         {
 594                 $ident = 'personal';
 595                 $total = $this->personalTotal($seen);
 596                 $sql_extra = $this->personalSqlExtra();
 597                 $notifs = [];
 598                 $sql_seen = "";
 599
 600                 if ($seen === 0) {
 601                         $sql_seen = " AND `item`.`unseen` = 1 ";
 602                 }
 603
 604                 $r = q(
 605                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 606                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 607                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 608                         FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 609                         WHERE `item`.`visible` = 1
 610                                 $sql_extra
 611                                 $sql_seen
 612                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 613                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 614                         intval(local_user()),
 615                         intval($start),
 616                         intval($limit)
 617                 );
 618                 if (DBM::is_result($r)) {
 619                         $notifs = $this->formatNotifs($r, $ident);
 620                 }
 621
 622                 $arr = [
 623                         'notifications' => $notifs,
 624                         'ident' => $ident,
 625                         'total' => $total,
 626                 ];
 627
 628                 return $arr;
 629         }
 630
 631         /**
 632          * @brief Total number of home notifications
 633          * @param int|string $seen If 0 only include notifications into the query
 634          *                             which aren't marked as "seen"
 635          *
 636          * @return int Number of home notifications
 637          */
 638         private function homeTotal($seen = 0)
 639         {
 640                 $sql_seen = "";
 641
 642                 if ($seen === 0) {
 643                         $sql_seen = " AND `item`.`unseen` = 1 ";
 644                 }
 645
 646                 $r = q(
 647                         "SELECT COUNT(*) AS `total` FROM `item`
 648                                 WHERE `item`.`visible` = 1 AND
 649                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 650                                 $sql_seen",
 651                         intval(local_user())
 652                 );
 653                 if (DBM::is_result($r)) {
 654                         return $r[0]['total'];
 655                 }
 656
 657                 return 0;
 658         }
 659
 660         /**
 661          * @brief Get home notifications
 662          *
 663          * @param int|string $seen  If 0 only include notifications into the query
 664          *                              which aren't marked as "seen"
 665          * @param int        $start Start the query at this point
 666          * @param int        $limit Maximum number of query results
 667          *
 668          * @return array with
 669          *      string 'ident' => Notification identifier
 670          *      int 'total' => Total number of available home notifications
 671          *      array 'notifications' => Home notifications
 672          */
 673         public function homeNotifs($seen = 0, $start = 0, $limit = 80)
 674         {
 675                 $ident = 'home';
 676                 $total = $this->homeTotal($seen);
 677                 $notifs = [];
 678                 $sql_seen = "";
 679
 680                 if ($seen === 0) {
 681                         $sql_seen = " AND `item`.`unseen` = 1 ";
 682                 }
 683
 684                 $r = q(
 685                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 686                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 687                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 688                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 689                         WHERE `item`.`visible` = 1 AND
 690                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 691                                 $sql_seen
 692                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 693                         intval(local_user()),
 694                         intval($start),
 695                         intval($limit)
 696                 );
 697                 if (DBM::is_result($r)) {
 698                         $notifs = $this->formatNotifs($r, $ident);
 699                 }
 700
 701                 $arr = [
 702                         'notifications' => $notifs,
 703                         'ident' => $ident,
 704                         'total' => $total,
 705                 ];
 706
 707                 return $arr;
 708         }
 709
 710         /**
 711          * @brief Total number of introductions
 712          * @param bool $all If false only include introductions into the query
 713          *                      which aren't marked as ignored
 714          *
 715          * @return int Number of introductions
 716          */
 717         private function introTotal($all = false)
 718         {
 719                 $sql_extra = "";
 720
 721                 if (!$all) {
 722                         $sql_extra = " AND `ignore` = 0 ";
 723                 }
 724
 725                 $r = q(
 726                         "SELECT COUNT(*) AS `total` FROM `intro`
 727                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0 ",
 728                         intval($_SESSION['uid'])
 729                 );
 730
 731                 if (DBM::is_result($r)) {
 732                         return $r[0]['total'];
 733                 }
 734
 735                 return 0;
 736         }
 737
 738         /**
 739          * @brief Get introductions
 740          *
 741          * @param bool $all   If false only include introductions into the query
 742          *                        which aren't marked as ignored
 743          * @param int  $start Start the query at this point
 744          * @param int  $limit Maximum number of query results
 745          *
 746          * @return array with
 747          *      string 'ident' => Notification identifier
 748          *      int 'total' => Total number of available introductions
 749          *      array 'notifications' => Introductions
 750          */
 751         public function introNotifs($all = false, $start = 0, $limit = 80)
 752         {
 753                 $ident = 'introductions';
 754                 $total = $this->introTotal($all);
 755                 $notifs = [];
 756                 $sql_extra = "";
 757
 758                 if (!$all) {
 759                         $sql_extra = " AND `ignore` = 0 ";
 760                 }
 761
 762                 /// @todo Fetch contact details by "Contact::getDetailsByUrl" instead of queries to contact, fcontact and gcontact
 763                 $r = q(
 764                         "SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 765                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`,
 766                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 767                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 768                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 769                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 770                         FROM `intro`
 771                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 772                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 773                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 774                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 775                         LIMIT %d, %d",
 776                         intval($_SESSION['uid']),
 777                         intval($start),
 778                         intval($limit)
 779                 );
 780                 if (DBM::is_result($r)) {
 781                         $notifs = $this->formatIntros($r);
 782                 }
 783
 784                 $arr = [
 785                         'ident' => $ident,
 786                         'total' => $total,
 787                         'notifications' => $notifs,
 788                 ];
 789
 790                 return $arr;
 791         }
 792
 793         /**
 794          * @brief Format the notification query in an usable array
 795          *
 796          * @param array $intros The array from the db query
 797          * @return array with the introductions
 798          */
 799         private function formatIntros($intros)
 800         {
 801                 $knowyou = '';
 802
 803                 foreach ($intros as $it) {
 804                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 805                         // We have to distinguish between these two because they use different data.
 806                         // Contact suggestions
 807                         if ($it['fid']) {
 808                                 $return_addr = bin2hex(self::getApp()->user['nickname'] . '@' . self::getApp()->get_hostname() . ((self::getApp()->path) ? '/' . self::getApp()->path : ''));
 809
 810                                 $intro = [
 811                                         'label' => 'friend_suggestion',
 812                                         'notify_type' => t('Friend Suggestion'),
 813                                         'intro_id' => $it['intro_id'],
 814                                         'madeby' => $it['name'],
 815                                         'contact_id' => $it['contact-id'],
 816                                         'photo' => ((x($it, 'fphoto')) ? proxy_url($it['fphoto'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 817                                         'name' => $it['fname'],
 818                                         'url' => Profile::zrl($it['furl']),
 819                                         'hidden' => $it['hidden'] == 1,
 820                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 821                                         'knowyou' => $knowyou,
 822                                         'note' => $it['note'],
 823                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 824                                 ];
 825
 826                                 // Normal connection requests
 827                         } else {
 828                                 $it = $this->getMissingIntroData($it);
 829
 830                                 // Don't show these data until you are connected. Diaspora is doing the same.
 831                                 if ($it['gnetwork'] === NETWORK_DIASPORA) {
 832                                         $it['glocation'] = "";
 833                                         $it['gabout'] = "";
 834                                         $it['ggender'] = "";
 835                                 }
 836                                 $intro = [
 837                                         'label' => (($it['network'] !== NETWORK_OSTATUS) ? 'friend_request' : 'follower'),
 838                                         'notify_type' => (($it['network'] !== NETWORK_OSTATUS) ? t('Friend/Connect Request') : t('New Follower')),
 839                                         'dfrn_id' => $it['issued-id'],
 840                                         'uid' => $_SESSION['uid'],
 841                                         'intro_id' => $it['intro_id'],
 842                                         'contact_id' => $it['contact-id'],
 843                                         'photo' => ((x($it, 'photo')) ? proxy_url($it['photo'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 844                                         'name' => $it['name'],
 845                                         'location' => bbcode($it['glocation'], false, false),
 846                                         'about' => bbcode($it['gabout'], false, false),
 847                                         'keywords' => $it['gkeywords'],
 848                                         'gender' => $it['ggender'],
 849                                         'hidden' => $it['hidden'] == 1,
 850                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 851                                         'url' => $it['url'],
 852                                         'zrl' => Profile::zrl($it['url']),
 853                                         'addr' => $it['gaddr'],
 854                                         'network' => $it['gnetwork'],
 855                                         'knowyou' => $it['knowyou'],
 856                                         'note' => $it['note'],
 857                                 ];
 858                         }
 859
 860                         $arr[] = $intro;
 861                 }
 862
 863                 return $arr;
 864         }
 865
 866         /**
 867          * @brief Check for missing contact data and try to fetch the data from
 868          *     from other sources
 869          *
 870          * @param array $arr The input array with the intro data
 871          *
 872          * @return array The array with the intro data
 873          */
 874         private function getMissingIntroData($arr)
 875         {
 876                 // If the network and the addr isn't available from the gcontact
 877                 // table entry, take the one of the contact table entry
 878                 if ($arr['gnetwork'] == "") {
 879                         $arr['gnetwork'] = $arr['network'];
 880                 }
 881                 if ($arr['gaddr'] == "") {
 882                         $arr['gaddr'] = $arr['addr'];
 883                 }
 884
 885                 // If the network and addr is still not available
 886                 // get the missing data data from other sources
 887                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 888                         $ret = Contact::getDetailsByURL($arr['url']);
 889
 890                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 891                                 $arr['gnetwork'] = $ret['network'];
 892                         }
 893                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 894                                 $arr['gaddr'] = $ret['addr'];
 895                         }
 896                 }
 897
 898                 return $arr;
 899         }
 900 }