src/Core/NotificationsManager.php

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