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