include/NotificationsManager.php

   1 <?php
   2 /**
   3  * @file include/NotificationsManager.php
   4  * @brief Methods for read and write notifications from/to database
   5  *  or for formatting notifications
   6  */
   7
   8 use Friendica\Core\Pconfig;
   9 use Friendica\Core\System;
  10
  11 require_once 'include/html2plain.php';
  12 require_once 'include/probe.php';
  13 require_once 'include/datetime.php';
  14 require_once 'include/bbcode.php';
  15 require_once 'include/Contact.php';
  16
  17 /**
  18  * @brief Methods for read and write notifications from/to database
  19  *  or for formatting notifications
  20  */
  21 class NotificationsManager {
  22         private $a;
  23
  24         public function __construct() {
  25                 $this->a = get_app();
  26         }
  27
  28         /**
  29          * @brief set some extra note properties
  30          *
  31          * @param array $notes array of note arrays from db
  32          * @return array Copy of input array with added properties
  33          *
  34          * Set some extra properties to note array from db:
  35          *  - timestamp as int in default TZ
  36          *  - date_rel : relative date string
  37          *  - msg_html: message as html string
  38          *  - msg_plain: message as plain text string
  39          */
  40         private function _set_extra($notes) {
  41                 $rets = array();
  42                 foreach($notes as $n) {
  43                         $local_time = datetime_convert('UTC',date_default_timezone_get(),$n['date']);
  44                         $n['timestamp'] = strtotime($local_time);
  45                         $n['date_rel'] = relative_date($n['date']);
  46                                 $n['msg_html'] = bbcode($n['msg'], false, false, false, false);
  47                                 $n['msg_plain'] = explode("\n",trim(html2plain($n['msg_html'], 0)))[0];
  48
  49                         $rets[] = $n;
  50                 }
  51                 return $rets;
  52         }
  53
  54
  55         /**
  56          * @brief Get all notifications for local_user()
  57          *
  58          * @param array $filter optional Array "column name"=>value: filter query by columns values
  59          * @param string $order optional Space separated list of column to sort by. prepend name with "+" to sort ASC, "-" to sort DESC. Default to "-date"
  60          * @param string $limit optional Query limits
  61          *
  62          * @return array of results or false on errors
  63          */
  64         public function getAll($filter = array(), $order="-date", $limit="") {
  65                 $filter_str = array();
  66                 $filter_sql = "";
  67                 foreach($filter as $column => $value) {
  68                         $filter_str[] = sprintf("`%s` = '%s'", $column, dbesc($value));
  69                 }
  70                 if (count($filter_str)>0) {
  71                         $filter_sql = "AND ".implode(" AND ", $filter_str);
  72                 }
  73
  74                 $aOrder = explode(" ", $order);
  75                 $asOrder = array();
  76                 foreach($aOrder as $o) {
  77                         $dir = "asc";
  78                         if ($o[0]==="-") {
  79                                 $dir = "desc";
  80                                 $o = substr($o,1);
  81                         }
  82                         if ($o[0]==="+") {
  83                                 $dir = "asc";
  84                                 $o = substr($o,1);
  85                         }
  86                         $asOrder[] = "$o $dir";
  87                 }
  88                 $order_sql = implode(", ", $asOrder);
  89
  90                 if($limit!="")
  91                         $limit = " LIMIT ".$limit;
  92
  93                         $r = q("SELECT * FROM `notify` WHERE `uid` = %d $filter_sql ORDER BY $order_sql $limit",
  94                                 intval(local_user())
  95                         );
  96
  97                 if (dbm::is_result($r))
  98                         return $this->_set_extra($r);
  99
 100                 return false;
 101         }
 102
 103         /**
 104          * @brief Get one note for local_user() by $id value
 105          *
 106          * @param int $id
 107          * @return array note values or null if not found
 108          */
 109         public function getByID($id) {
 110                 $r = q("SELECT * FROM `notify` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 111                         intval($id),
 112                         intval(local_user())
 113                 );
 114                 if (dbm::is_result($r)) {
 115                         return $this->_set_extra($r)[0];
 116                 }
 117                 return null;
 118         }
 119
 120         /**
 121          * @brief set seen state of $note of local_user()
 122          *
 123          * @param array $note
 124          * @param bool $seen optional true or false, default true
 125          * @return bool true on success, false on errors
 126          */
 127         public function setSeen($note, $seen = true) {
 128                 return q("UPDATE `notify` SET `seen` = %d WHERE ( `link` = '%s' OR ( `parent` != 0 AND `parent` = %d AND `otype` = '%s' )) AND `uid` = %d",
 129                         intval($seen),
 130                         dbesc($note['link']),
 131                         intval($note['parent']),
 132                         dbesc($note['otype']),
 133                         intval(local_user())
 134                 );
 135         }
 136
 137         /**
 138          * @brief set seen state of all notifications of local_user()
 139          *
 140          * @param bool $seen optional true or false. default true
 141          * @return bool true on success, false on error
 142          */
 143         public function setAllSeen($seen = true) {
 144                 return q("UPDATE `notify` SET `seen` = %d WHERE `uid` = %d",
 145                         intval($seen),
 146                         intval(local_user())
 147                 );
 148         }
 149
 150         /**
 151          * @brief List of pages for the Notifications TabBar
 152          *
 153          * @return array with with notifications TabBar data
 154          */
 155         public function getTabs() {
 156                 $tabs = array(
 157                         array(
 158                                 'label' => t('System'),
 159                                 'url'=>'notifications/system',
 160                                 'sel'=> (($this->a->argv[1] == 'system') ? 'active' : ''),
 161                                 'id' => 'system-tab',
 162                                 'accesskey' => 'y',
 163                         ),
 164                         array(
 165                                 'label' => t('Network'),
 166                                 'url'=>'notifications/network',
 167                                 'sel'=> (($this->a->argv[1] == 'network') ? 'active' : ''),
 168                                 'id' => 'network-tab',
 169                                 'accesskey' => 'w',
 170                         ),
 171                         array(
 172                                 'label' => t('Personal'),
 173                                 'url'=>'notifications/personal',
 174                                 'sel'=> (($this->a->argv[1] == 'personal') ? 'active' : ''),
 175                                 'id' => 'personal-tab',
 176                                 'accesskey' => 'r',
 177                         ),
 178                         array(
 179                                 'label' => t('Home'),
 180                                 'url' => 'notifications/home',
 181                                 'sel'=> (($this->a->argv[1] == 'home') ? 'active' : ''),
 182                                 'id' => 'home-tab',
 183                                 'accesskey' => 'h',
 184                         ),
 185                         array(
 186                                 'label' => t('Introductions'),
 187                                 'url' => 'notifications/intros',
 188                                 'sel'=> (($this->a->argv[1] == 'intros') ? 'active' : ''),
 189                                 'id' => 'intro-tab',
 190                                 'accesskey' => 'i',
 191                         ),
 192                 );
 193
 194                 return $tabs;
 195         }
 196
 197         /**
 198          * @brief Format the notification query in an usable array
 199          *
 200          * @param array $notifs The array from the db query
 201          * @param string $ident The notifications identifier (e.g. network)
 202          * @return array
 203          *      string 'label' => The type of the notification
 204          *      string 'link' => URL to the source
 205          *      string 'image' => The avatar image
 206          *      string 'url' => The profile url of the contact
 207          *      string 'text' => The notification text
 208          *      string 'when' => The date of the notification
 209          *      string 'ago' => T relative date of the notification
 210          *      bool 'seen' => Is the notification marked as "seen"
 211          */
 212         private function formatNotifs($notifs, $ident = "") {
 213
 214                 $notif = array();
 215                 $arr = array();
 216
 217                 if (dbm::is_result($notifs)) {
 218
 219                         foreach ($notifs as $it) {
 220                                 // Because we use different db tables for the notification query
 221                                 // we have sometimes $it['unseen'] and sometimes $it['seen].
 222                                 // So we will have to transform $it['unseen']
 223                                 if (array_key_exists('unseen', $it)) {
 224                                         $it['seen'] = ($it['unseen'] > 0 ? false : true);
 225                                 }
 226
 227                                 // Depending on the identifier of the notification we need to use different defaults
 228                                 switch ($ident) {
 229                                         case 'system':
 230                                                 $default_item_label = 'notify';
 231                                                 $default_item_link = System::baseUrl(true).'/notify/view/'. $it['id'];
 232                                                 $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
 233                                                 $default_item_url = $it['url'];
 234                                                 $default_item_text = strip_tags(bbcode($it['msg']));
 235                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['date'], 'r');
 236                                                 $default_item_ago = relative_date($it['date']);
 237                                                 break;
 238
 239                                         case 'home':
 240                                                 $default_item_label = 'comment';
 241                                                 $default_item_link = System::baseUrl(true).'/display/'.$it['pguid'];
 242                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 243                                                 $default_item_url = $it['author-link'];
 244                                                 $default_item_text = sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']);
 245                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
 246                                                 $default_item_ago = relative_date($it['created']);
 247                                                 break;
 248
 249                                         default:
 250                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 251                                                 $default_item_link = System::baseUrl(true).'/display/'.$it['pguid'];
 252                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 253                                                 $default_item_url = $it['author-link'];
 254                                                 $default_item_text = (($it['id'] == $it['parent'])
 255                                                                         ? sprintf(t("%s created a new post"), $it['author-name'])
 256                                                                         : sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']));
 257                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
 258                                                 $default_item_ago = relative_date($it['created']);
 259
 260                                 }
 261
 262                                 // Transform the different types of notification in an usable array
 263                                 switch ($it['verb']){
 264                                         case ACTIVITY_LIKE:
 265                                                 $notif = array(
 266                                                         'label' => 'like',
 267                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 268                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 269                                                         'url' => $it['author-link'],
 270                                                         'text' => sprintf(t("%s liked %s's post"), $it['author-name'], $it['pname']),
 271                                                         'when' => $default_item_when,
 272                                                         'ago' => $default_item_ago,
 273                                                         'seen' => $it['seen']
 274                                                 );
 275                                                 break;
 276
 277                                         case ACTIVITY_DISLIKE:
 278                                                 $notif = array(
 279                                                         'label' => 'dislike',
 280                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 281                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 282                                                         'url' => $it['author-link'],
 283                                                         'text' => sprintf(t("%s disliked %s's post"), $it['author-name'], $it['pname']),
 284                                                         'when' => $default_item_when,
 285                                                         'ago' => $default_item_ago,
 286                                                         'seen' => $it['seen']
 287                                                 );
 288                                                 break;
 289
 290                                         case ACTIVITY_ATTEND:
 291                                                 $notif = array(
 292                                                         'label' => 'attend',
 293                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 294                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 295                                                         'url' => $it['author-link'],
 296                                                         'text' => sprintf(t("%s is attending %s's event"), $it['author-name'], $it['pname']),
 297                                                         'when' => $default_item_when,
 298                                                         'ago' => $default_item_ago,
 299                                                         'seen' => $it['seen']
 300                                                 );
 301                                                 break;
 302
 303                                         case ACTIVITY_ATTENDNO:
 304                                                 $notif = array(
 305                                                         'label' => 'attendno',
 306                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 307                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 308                                                         'url' => $it['author-link'],
 309                                                         'text' => sprintf( t("%s is not attending %s's event"), $it['author-name'], $it['pname']),
 310                                                         'when' => $default_item_when,
 311                                                         'ago' => $default_item_ago,
 312                                                         'seen' => $it['seen']
 313                                                 );
 314                                                 break;
 315
 316                                         case ACTIVITY_ATTENDMAYBE:
 317                                                 $notif = array(
 318                                                         'label' => 'attendmaybe',
 319                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 320                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 321                                                         'url' => $it['author-link'],
 322                                                         'text' => sprintf(t("%s may attend %s's event"), $it['author-name'], $it['pname']),
 323                                                         'when' => $default_item_when,
 324                                                         'ago' => $default_item_ago,
 325                                                         'seen' => $it['seen']
 326                                                 );
 327                                                 break;
 328
 329                                         case ACTIVITY_FRIEND:
 330                                                 $xmlhead="<"."?xml version='1.0' encoding='UTF-8' ?".">";
 331                                                 $obj = parse_xml_string($xmlhead.$it['object']);
 332                                                 $it['fname'] = $obj->title;
 333
 334                                                 $notif = array(
 335                                                         'label' => 'friend',
 336                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 337                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 338                                                         'url' => $it['author-link'],
 339                                                         'text' => sprintf(t("%s is now friends with %s"), $it['author-name'], $it['fname']),
 340                                                         'when' => $default_item_when,
 341                                                         'ago' => $default_item_ago,
 342                                                         'seen' => $it['seen']
 343                                                 );
 344                                                 break;
 345
 346                                         default:
 347                                                 $notif = array(
 348                                                         'label' => $default_item_label,
 349                                                         'link' => $default_item_link,
 350                                                         'image' => $default_item_image,
 351                                                         'url' => $default_item_url,
 352                                                         'text' => $default_item_text,
 353                                                         'when' => $default_item_when,
 354                                                         'ago' => $default_item_ago,
 355                                                         'seen' => $it['seen']
 356                                                 );
 357                                 }
 358
 359                                 $arr[] = $notif;
 360                         }
 361                 }
 362
 363                 return $arr;
 364
 365         }
 366
 367         /**
 368          * @brief Total number of network notifications
 369          * @param int|string $seen
 370          *      If 0 only include notifications into the query
 371          *      which aren't marked as "seen"
 372          * @return int Number of network notifications
 373          */
 374         private function networkTotal($seen = 0) {
 375                 $sql_seen = "";
 376
 377                 if($seen === 0)
 378                         $sql_seen = " AND `item`.`unseen` = 1 ";
 379
 380                 $r = q("SELECT COUNT(*) AS `total`
 381                                 FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 382                                 WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 383                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 384                                 $sql_seen",
 385                         intval(local_user())
 386                 );
 387
 388                 if (dbm::is_result($r))
 389                         return $r[0]['total'];
 390
 391                 return 0;
 392         }
 393
 394         /**
 395          * @brief Get network notifications
 396          *
 397          * @param int|string $seen
 398          *      If 0 only include notifications into the query
 399          *      which aren't marked as "seen"
 400          * @param int $start Start the query at this point
 401          * @param int $limit Maximum number of query results
 402          *
 403          * @return array with
 404          *      string 'ident' => Notification identifier
 405          *      int 'total' => Total number of available network notifications
 406          *      array 'notifications' => Network notifications
 407          */
 408         public function networkNotifs($seen = 0, $start = 0, $limit = 80) {
 409                 $ident = 'network';
 410                 $total = $this->networkTotal($seen);
 411                 $notifs = array();
 412                 $sql_seen = "";
 413
 414                 if($seen === 0)
 415                         $sql_seen = " AND `item`.`unseen` = 1 ";
 416
 417
 418                 $r = q("SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 419                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 420                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 421                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 422                         WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 423                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 424                                 $sql_seen
 425                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 426                                 intval(local_user()),
 427                                 intval($start),
 428                                 intval($limit)
 429                 );
 430
 431                 if (dbm::is_result($r))
 432                         $notifs = $this->formatNotifs($r, $ident);
 433
 434                 $arr = array (
 435                         'notifications' => $notifs,
 436                         'ident' => $ident,
 437                         'total' => $total,
 438                 );
 439
 440                 return $arr;
 441         }
 442
 443         /**
 444          * @brief Total number of system notifications
 445          * @param int|string $seen
 446          *      If 0 only include notifications into the query
 447          *      which aren't marked as "seen"
 448          * @return int Number of system notifications
 449          */
 450         private function systemTotal($seen = 0) {
 451                 $sql_seen = "";
 452
 453                 if($seen === 0)
 454                         $sql_seen = " AND `seen` = 0 ";
 455
 456                 $r = q("SELECT COUNT(*) AS `total` FROM `notify` WHERE `uid` = %d $sql_seen",
 457                         intval(local_user())
 458                 );
 459
 460                 if (dbm::is_result($r))
 461                         return $r[0]['total'];
 462
 463                 return 0;
 464         }
 465
 466         /**
 467          * @brief Get system notifications
 468          *
 469          * @param int|string $seen
 470          *      If 0 only include notifications into the query
 471          *      which aren't marked as "seen"
 472          * @param int $start Start the query at this point
 473          * @param int $limit Maximum number of query results
 474          *
 475          * @return array with
 476          *      string 'ident' => Notification identifier
 477          *      int 'total' => Total number of available system notifications
 478          *      array 'notifications' => System notifications
 479          */
 480         public function systemNotifs($seen = 0, $start = 0, $limit = 80) {
 481                 $ident = 'system';
 482                 $total = $this->systemTotal($seen);
 483                 $notifs = array();
 484                 $sql_seen = "";
 485
 486                 if($seen === 0)
 487                         $sql_seen = " AND `seen` = 0 ";
 488
 489                 $r = q("SELECT `id`, `url`, `photo`, `msg`, `date`, `seen` FROM `notify`
 490                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 491                         intval(local_user()),
 492                         intval($start),
 493                         intval($limit)
 494                 );
 495
 496                 if (dbm::is_result($r))
 497                         $notifs = $this->formatNotifs($r, $ident);
 498
 499                 $arr = array (
 500                         'notifications' => $notifs,
 501                         'ident' => $ident,
 502                         'total' => $total,
 503                 );
 504
 505                 return $arr;
 506         }
 507
 508         /**
 509          * @brief Addional SQL query string for the personal notifications
 510          *
 511          * @return string The additional sql query
 512          */
 513         private function _personal_sql_extra() {
 514                 $myurl = System::baseUrl(true) . '/profile/'. $this->a->user['nickname'];
 515                 $myurl = substr($myurl,strpos($myurl,'://')+3);
 516                 $myurl = str_replace(array('www.','.'),array('','\\.'),$myurl);
 517                 $diasp_url = str_replace('/profile/','/u/',$myurl);
 518                 $sql_extra = sprintf(" AND ( `item`.`author-link` regexp '%s' OR `item`.`tag` regexp '%s' OR `item`.`tag` regexp '%s' ) ",
 519                         dbesc($myurl . '$'),
 520                         dbesc($myurl . '\\]'),
 521                         dbesc($diasp_url . '\\]')
 522                 );
 523
 524                 return $sql_extra;
 525         }
 526
 527         /**
 528          * @brief Total number of personal notifications
 529          * @param int|string $seen
 530          *      If 0 only include notifications into the query
 531          *      which aren't marked as "seen"
 532          * @return int Number of personal notifications
 533          */
 534         private function personalTotal($seen = 0) {
 535                 $sql_seen = "";
 536                 $sql_extra = $this->_personal_sql_extra();
 537
 538                 if($seen === 0)
 539                         $sql_seen = " AND `item`.`unseen` = 1 ";
 540
 541                 $r = q("SELECT COUNT(*) AS `total`
 542                                 FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 543                                 WHERE `item`.`visible` = 1
 544                                 $sql_extra
 545                                 $sql_seen
 546                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0 " ,
 547                         intval(local_user())
 548                 );
 549
 550                 if (dbm::is_result($r))
 551                         return $r[0]['total'];
 552
 553                 return 0;
 554         }
 555
 556         /**
 557          * @brief Get personal notifications
 558          *
 559          * @param int|string $seen
 560          *      If 0 only include notifications into the query
 561          *      which aren't marked as "seen"
 562          * @param int $start Start the query at this point
 563          * @param int $limit Maximum number of query results
 564          *
 565          * @return array with
 566          *      string 'ident' => Notification identifier
 567          *      int 'total' => Total number of available personal notifications
 568          *      array 'notifications' => Personal notifications
 569          */
 570         public function personalNotifs($seen = 0, $start = 0, $limit = 80) {
 571                 $ident = 'personal';
 572                 $total = $this->personalTotal($seen);
 573                 $sql_extra = $this->_personal_sql_extra();
 574                 $notifs = array();
 575                 $sql_seen = "";
 576
 577                 if($seen === 0)
 578                         $sql_seen = " AND `item`.`unseen` = 1 ";
 579
 580                 $r = q("SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 581                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 582                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 583                         FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 584                         WHERE `item`.`visible` = 1
 585                                 $sql_extra
 586                                 $sql_seen
 587                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 588                         ORDER BY `item`.`created` DESC LIMIT %d, %d " ,
 589                                 intval(local_user()),
 590                                 intval($start),
 591                                 intval($limit)
 592                 );
 593
 594                 if (dbm::is_result($r))
 595                         $notifs = $this->formatNotifs($r, $ident);
 596
 597                 $arr = array (
 598                         'notifications' => $notifs,
 599                         'ident' => $ident,
 600                         'total' => $total,
 601                 );
 602
 603                 return $arr;
 604         }
 605
 606         /**
 607          * @brief Total number of home notifications
 608          * @param int|string $seen
 609          *      If 0 only include notifications into the query
 610          *      which aren't marked as "seen"
 611          * @return int Number of home notifications
 612          */
 613         private function homeTotal($seen = 0) {
 614                 $sql_seen = "";
 615
 616                 if($seen === 0)
 617                         $sql_seen = " AND `item`.`unseen` = 1 ";
 618
 619                 $r = q("SELECT COUNT(*) AS `total` FROM `item`
 620                                 WHERE `item`.`visible` = 1 AND
 621                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 622                                 $sql_seen",
 623                         intval(local_user())
 624                 );
 625
 626                 if (dbm::is_result($r))
 627                         return $r[0]['total'];
 628
 629                 return 0;
 630         }
 631
 632         /**
 633          * @brief Get home notifications
 634          *
 635          * @param int|string $seen
 636          *      If 0 only include notifications into the query
 637          *      which aren't marked as "seen"
 638          * @param int $start Start the query at this point
 639          * @param int $limit Maximum number of query results
 640          *
 641          * @return array with
 642          *      string 'ident' => Notification identifier
 643          *      int 'total' => Total number of available home notifications
 644          *      array 'notifications' => Home notifications
 645          */
 646         public function homeNotifs($seen = 0, $start = 0, $limit = 80) {
 647                 $ident = 'home';
 648                 $total = $this->homeTotal($seen);
 649                 $notifs = array();
 650                 $sql_seen = "";
 651
 652                 if($seen === 0)
 653                         $sql_seen = " AND `item`.`unseen` = 1 ";
 654
 655                 $r = q("SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 656                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 657                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 658                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 659                         WHERE `item`.`visible` = 1 AND
 660                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 661                                 $sql_seen
 662                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 663                                 intval(local_user()),
 664                                 intval($start),
 665                                 intval($limit)
 666                 );
 667
 668                 if (dbm::is_result($r))
 669                         $notifs = $this->formatNotifs($r, $ident);
 670
 671                 $arr = array (
 672                         'notifications' => $notifs,
 673                         'ident' => $ident,
 674                         'total' => $total,
 675                 );
 676
 677                 return $arr;
 678         }
 679
 680         /**
 681          * @brief Total number of introductions
 682          * @param bool $all
 683          *      If false only include introductions into the query
 684          *      which aren't marked as ignored
 685          * @return int Number of introductions
 686          */
 687         private function introTotal($all = false) {
 688                 $sql_extra = "";
 689
 690                 if(!$all)
 691                         $sql_extra = " AND `ignore` = 0 ";
 692
 693                 $r = q("SELECT COUNT(*) AS `total` FROM `intro`
 694                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0 ",
 695                                 intval($_SESSION['uid'])
 696                 );
 697
 698                 if (dbm::is_result($r))
 699                         return $r[0]['total'];
 700
 701                 return 0;
 702         }
 703
 704         /**
 705          * @brief Get introductions
 706          *
 707          * @param bool $all
 708          *      If false only include introductions into the query
 709          *      which aren't marked as ignored
 710          * @param int $start Start the query at this point
 711          * @param int $limit Maximum number of query results
 712          *
 713          * @return array with
 714          *      string 'ident' => Notification identifier
 715          *      int 'total' => Total number of available introductions
 716          *      array 'notifications' => Introductions
 717          */
 718         public function introNotifs($all = false, $start = 0, $limit = 80) {
 719                 $ident = 'introductions';
 720                 $total = $this->introTotal($seen);
 721                 $notifs = array();
 722                 $sql_extra = "";
 723
 724                 if(!$all)
 725                         $sql_extra = " AND `ignore` = 0 ";
 726
 727                 /// @todo Fetch contact details by "get_contact_details_by_url" instead of queries to contact, fcontact and gcontact
 728                 $r = q("SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 729                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`,
 730                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 731                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 732                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 733                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 734                         FROM `intro`
 735                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 736                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 737                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 738                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 739                         LIMIT %d, %d",
 740                                 intval($_SESSION['uid']),
 741                                 intval($start),
 742                                 intval($limit)
 743                 );
 744
 745                 if (dbm::is_result($r))
 746                         $notifs = $this->formatIntros($r);
 747
 748                 $arr = array (
 749                         'ident' => $ident,
 750                         'total' => $total,
 751                         'notifications' => $notifs,
 752                 );
 753
 754                 return $arr;
 755         }
 756
 757         /**
 758          * @brief Format the notification query in an usable array
 759          *
 760          * @param array $intros The array from the db query
 761          * @return array with the introductions
 762          */
 763         private function formatIntros($intros) {
 764                 $knowyou = '';
 765
 766                 foreach($intros as $it) {
 767                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 768                         // We have to distinguish between these two because they use different data.
 769
 770                         // Contact suggestions
 771                         if($it['fid']) {
 772
 773                                 $return_addr = bin2hex($this->a->user['nickname'] . '@' . $this->a->get_hostname() . (($this->a->path) ? '/' . $this->a->path : ''));
 774
 775                                 $intro = array(
 776                                         'label' => 'friend_suggestion',
 777                                         'notify_type' => t('Friend Suggestion'),
 778                                         'intro_id' => $it['intro_id'],
 779                                         'madeby' => $it['name'],
 780                                         'contact_id' => $it['contact-id'],
 781                                         'photo' => ((x($it,'fphoto')) ? proxy_url($it['fphoto'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 782                                         'name' => $it['fname'],
 783                                         'url' => zrl($it['furl']),
 784                                         'hidden' => $it['hidden'] == 1,
 785                                         'post_newfriend' => (intval(PConfig::get(local_user(),'system','post_newfriend')) ? '1' : 0),
 786
 787                                         'knowyou' => $knowyou,
 788                                         'note' => $it['note'],
 789                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 790
 791                                 );
 792
 793                         // Normal connection requests
 794                         } else {
 795
 796                                 $it = $this->getMissingIntroData($it);
 797
 798                                 // Don't show these data until you are connected. Diaspora is doing the same.
 799                                 if($it['gnetwork'] === NETWORK_DIASPORA) {
 800                                         $it['glocation'] = "";
 801                                         $it['gabout'] = "";
 802                                         $it['ggender'] = "";
 803                                 }
 804                                 $intro = array(
 805                                         'label' => (($it['network'] !== NETWORK_OSTATUS) ? 'friend_request' : 'follower'),
 806                                         'notify_type' => (($it['network'] !== NETWORK_OSTATUS) ? t('Friend/Connect Request') : t('New Follower')),
 807                                         'dfrn_id' => $it['issued-id'],
 808                                         'uid' => $_SESSION['uid'],
 809                                         'intro_id' => $it['intro_id'],
 810                                         'contact_id' => $it['contact-id'],
 811                                         'photo' => ((x($it,'photo')) ? proxy_url($it['photo'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 812                                         'name' => $it['name'],
 813                                         'location' => bbcode($it['glocation'], false, false),
 814                                         'about' => bbcode($it['gabout'], false, false),
 815                                         'keywords' => $it['gkeywords'],
 816                                         'gender' => $it['ggender'],
 817                                         'hidden' => $it['hidden'] == 1,
 818                                         'post_newfriend' => (intval(PConfig::get(local_user(),'system','post_newfriend')) ? '1' : 0),
 819                                         'url' => $it['url'],
 820                                         'zrl' => zrl($it['url']),
 821                                         'addr' => $it['gaddr'],
 822                                         'network' => $it['gnetwork'],
 823                                         'knowyou' => $it['knowyou'],
 824                                         'note' => $it['note'],
 825                                 );
 826                         }
 827
 828                         $arr[] = $intro;
 829                 }
 830
 831                 return $arr;
 832         }
 833
 834         /**
 835          * @brief Check for missing contact data and try to fetch the data from
 836          *     from other sources
 837          *
 838          * @param array $arr The input array with the intro data
 839          *
 840          * @return array The array with the intro data
 841          */
 842         private function getMissingIntroData($arr) {
 843                 // If the network and the addr isn't available from the gcontact
 844                 // table entry, take the one of the contact table entry
 845                 if ($arr['gnetwork'] == "") {
 846                         $arr['gnetwork'] = $arr['network'];
 847                 }
 848                 if ($arr['gaddr'] == "") {
 849                         $arr['gaddr'] = $arr['addr'];
 850                 }
 851
 852                 // If the network and addr is still not available
 853                 // get the missing data data from other sources
 854                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 855                         $ret = get_contact_details_by_url($arr['url']);
 856
 857                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 858                                 $arr['gnetwork'] = $ret['network'];
 859                         }
 860                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 861                                 $arr['gaddr'] = $ret['addr'];
 862                         }
 863                 }
 864
 865                 return $arr;
 866         }
 867 }