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