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