src/Core/NotificationsManager.php

   1 <?php
   2 /**
   3  * @file src/Core/NotificationsManager.php
   4  * @brief Methods for read and write notifications from/to database
   5  *  or for formatting notifications
   6  */
   7 namespace Friendica\Core;
   8
   9 use Friendica\Core\Pconfig;
  10 use Friendica\Core\System;
  11 use Friendica\Database\DBM;
  12 use Friendica\Object\Contact;
  13
  14 require_once 'include/html2plain.php';
  15 require_once 'include/datetime.php';
  16 require_once 'include/bbcode.php';
  17 require_once 'include/Contact.php';
  18
  19 /**
  20  * @brief Methods for read and write notifications from/to database
  21  *  or for formatting notifications
  22  */
  23 class NotificationsManager
  24 {
  25         private $a;
  26
  27         /**
  28          * Constructor
  29          */
  30         public function __construct()
  31         {
  32                 $this->a = get_app();
  33         }
  34
  35         /**
  36          * @brief set some extra note properties
  37          *
  38          * @param array $notes array of note arrays from db
  39          * @return array Copy of input array with added properties
  40          *
  41          * Set some extra properties to note array from db:
  42          *  - timestamp as int in default TZ
  43          *  - date_rel : relative date string
  44          *  - msg_html: message as html string
  45          *  - msg_plain: message as plain text string
  46          */
  47         private function _set_extra($notes)
  48         {
  49                 $rets = array();
  50                 foreach ($notes as $n) {
  51                         $local_time = datetime_convert('UTC', date_default_timezone_get(), $n['date']);
  52                         $n['timestamp'] = strtotime($local_time);
  53                         $n['date_rel'] = relative_date($n['date']);
  54                                 $n['msg_html'] = bbcode($n['msg'], false, false, false, false);
  55                                 $n['msg_plain'] = explode("\n", trim(html2plain($n['msg_html'], 0)))[0];
  56
  57                         $rets[] = $n;
  58                 }
  59                 return $rets;
  60         }
  61
  62
  63         /**
  64          * @brief Get all notifications for local_user()
  65          *
  66          * @param array  $filter optional Array "column name"=>value: filter query by columns values
  67          * @param string $order  optional Space separated list of column to sort by.
  68          *                       Prepend name with "+" to sort ASC, "-" to sort DESC. Default to "-date"
  69          * @param string $limit  optional Query limits
  70          *
  71          * @return array of results or false on errors
  72          */
  73         public function getAll($filter = array(), $order = "-date", $limit = "")
  74         {
  75                 $filter_str = array();
  76                 $filter_sql = "";
  77                 foreach ($filter as $column => $value) {
  78                         $filter_str[] = sprintf("`%s` = '%s'", $column, dbesc($value));
  79                 }
  80                 if (count($filter_str)>0) {
  81                         $filter_sql = "AND ".implode(" AND ", $filter_str);
  82                 }
  83
  84                 $aOrder = explode(" ", $order);
  85                 $asOrder = array();
  86                 foreach ($aOrder as $o) {
  87                         $dir = "asc";
  88                         if ($o[0]==="-") {
  89                                 $dir = "desc";
  90                                 $o = substr($o, 1);
  91                         }
  92                         if ($o[0]==="+") {
  93                                 $dir = "asc";
  94                                 $o = substr($o, 1);
  95                         }
  96                         $asOrder[] = "$o $dir";
  97                 }
  98                 $order_sql = implode(", ", $asOrder);
  99
 100                 if ($limit != "") {
 101                         $limit = " LIMIT ".$limit;
 102                 }
 103                         $r = q(
 104                                 "SELECT * FROM `notify` WHERE `uid` = %d $filter_sql ORDER BY $order_sql $limit",
 105                                 intval(local_user())
 106                         );
 107
 108                 if (DBM::is_result($r)) {
 109                         return $this->_set_extra($r);
 110                 }
 111
 112                 return false;
 113         }
 114
 115         /**
 116          * @brief Get one note for local_user() by $id value
 117          *
 118          * @param int $id identity
 119          * @return array note values or null if not found
 120          */
 121         public function getByID($id)
 122         {
 123                 $r = q(
 124                         "SELECT * FROM `notify` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 125                         intval($id),
 126                         intval(local_user())
 127                 );
 128                 if (DBM::is_result($r)) {
 129                         return $this->_set_extra($r)[0];
 130                 }
 131                 return null;
 132         }
 133
 134         /**
 135          * @brief set seen state of $note of local_user()
 136          *
 137          * @param array $note note array
 138          * @param bool  $seen optional true or false, default true
 139          * @return bool true on success, false on errors
 140          */
 141         public function setSeen($note, $seen = true)
 142         {
 143                 return q(
 144                         "UPDATE `notify` SET `seen` = %d WHERE ( `link` = '%s' OR ( `parent` != 0 AND `parent` = %d AND `otype` = '%s' )) AND `uid` = %d",
 145                         intval($seen),
 146                         dbesc($note['link']),
 147                         intval($note['parent']),
 148                         dbesc($note['otype']),
 149                         intval(local_user())
 150                 );
 151         }
 152
 153         /**
 154          * @brief set seen state of all notifications of local_user()
 155          *
 156          * @param bool $seen optional true or false. default true
 157          * @return bool true on success, false on error
 158          */
 159         public function setAllSeen($seen = true)
 160         {
 161                 return q(
 162                         "UPDATE `notify` SET `seen` = %d WHERE `uid` = %d",
 163                         intval($seen),
 164                         intval(local_user())
 165                 );
 166         }
 167
 168         /**
 169          * @brief List of pages for the Notifications TabBar
 170          *
 171          * @return array with with notifications TabBar data
 172          */
 173         public function getTabs()
 174         {
 175                 $tabs = array(
 176                         array(
 177                                 'label' => t('System'),
 178                                 'url'=>'notifications/system',
 179                                 'sel'=> (($this->a->argv[1] == 'system') ? 'active' : ''),
 180                                 'id' => 'system-tab',
 181                                 'accesskey' => 'y',
 182                         ),
 183                         array(
 184                                 'label' => t('Network'),
 185                                 'url'=>'notifications/network',
 186                                 'sel'=> (($this->a->argv[1] == 'network') ? 'active' : ''),
 187                                 'id' => 'network-tab',
 188                                 'accesskey' => 'w',
 189                         ),
 190                         array(
 191                                 'label' => t('Personal'),
 192                                 'url'=>'notifications/personal',
 193                                 'sel'=> (($this->a->argv[1] == 'personal') ? 'active' : ''),
 194                                 'id' => 'personal-tab',
 195                                 'accesskey' => 'r',
 196                         ),
 197                         array(
 198                                 'label' => t('Home'),
 199                                 'url' => 'notifications/home',
 200                                 'sel'=> (($this->a->argv[1] == 'home') ? 'active' : ''),
 201                                 'id' => 'home-tab',
 202                                 'accesskey' => 'h',
 203                         ),
 204                         array(
 205                                 'label' => t('Introductions'),
 206                                 'url' => 'notifications/intros',
 207                                 'sel'=> (($this->a->argv[1] == 'intros') ? 'active' : ''),
 208                                 'id' => 'intro-tab',
 209                                 'accesskey' => 'i',
 210                         ),
 211                 );
 212
 213                 return $tabs;
 214         }
 215
 216         /**
 217          * @brief Format the notification query in an usable array
 218          *
 219          * @param array  $notifs The array from the db query
 220          * @param string $ident  The notifications identifier (e.g. network)
 221          * @return array
 222          *      string 'label' => The type of the notification
 223          *      string 'link' => URL to the source
 224          *      string 'image' => The avatar image
 225          *      string 'url' => The profile url of the contact
 226          *      string 'text' => The notification text
 227          *      string 'when' => The date of the notification
 228          *      string 'ago' => T relative date of the notification
 229          *      bool 'seen' => Is the notification marked as "seen"
 230          */
 231         private function formatNotifs($notifs, $ident = "")
 232         {
 233                 $notif = array();
 234                 $arr = array();
 235
 236                 if (DBM::is_result($notifs)) {
 237                         foreach ($notifs as $it) {
 238                                 // Because we use different db tables for the notification query
 239                                 // we have sometimes $it['unseen'] and sometimes $it['seen].
 240                                 // So we will have to transform $it['unseen']
 241                                 if (array_key_exists('unseen', $it)) {
 242                                         $it['seen'] = ($it['unseen'] > 0 ? false : true);
 243                                 }
 244
 245                                 // Depending on the identifier of the notification we need to use different defaults
 246                                 switch ($ident) {
 247                                         case 'system':
 248                                                 $default_item_label = 'notify';
 249                                                 $default_item_link = System::baseUrl(true).'/notify/view/'. $it['id'];
 250                                                 $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
 251                                                 $default_item_url = $it['url'];
 252                                                 $default_item_text = strip_tags(bbcode($it['msg']));
 253                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['date'], 'r');
 254                                                 $default_item_ago = relative_date($it['date']);
 255                                                 break;
 256
 257                                         case 'home':
 258                                                 $default_item_label = 'comment';
 259                                                 $default_item_link = System::baseUrl(true).'/display/'.$it['pguid'];
 260                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 261                                                 $default_item_url = $it['author-link'];
 262                                                 $default_item_text = sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']);
 263                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
 264                                                 $default_item_ago = relative_date($it['created']);
 265                                                 break;
 266
 267                                         default:
 268                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 269                                                 $default_item_link = System::baseUrl(true).'/display/'.$it['pguid'];
 270                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 271                                                 $default_item_url = $it['author-link'];
 272                                                 $default_item_text = (($it['id'] == $it['parent'])
 273                                                                         ? sprintf(t("%s created a new post"), $it['author-name'])
 274                                                                         : sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']));
 275                                                 $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
 276                                                 $default_item_ago = relative_date($it['created']);
 277                                 }
 278
 279                                 // Transform the different types of notification in an usable array
 280                                 switch ($it['verb']) {
 281                                         case ACTIVITY_LIKE:
 282                                                 $notif = array(
 283                                                         'label' => 'like',
 284                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 285                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 286                                                         'url' => $it['author-link'],
 287                                                         'text' => sprintf(t("%s liked %s's post"), $it['author-name'], $it['pname']),
 288                                                         'when' => $default_item_when,
 289                                                         'ago' => $default_item_ago,
 290                                                         'seen' => $it['seen']
 291                                                 );
 292                                                 break;
 293
 294                                         case ACTIVITY_DISLIKE:
 295                                                 $notif = array(
 296                                                         'label' => 'dislike',
 297                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 298                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 299                                                         'url' => $it['author-link'],
 300                                                         'text' => sprintf(t("%s disliked %s's post"), $it['author-name'], $it['pname']),
 301                                                         'when' => $default_item_when,
 302                                                         'ago' => $default_item_ago,
 303                                                         'seen' => $it['seen']
 304                                                 );
 305                                                 break;
 306
 307                                         case ACTIVITY_ATTEND:
 308                                                 $notif = array(
 309                                                         'label' => 'attend',
 310                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 311                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 312                                                         'url' => $it['author-link'],
 313                                                         'text' => sprintf(t("%s is attending %s's event"), $it['author-name'], $it['pname']),
 314                                                         'when' => $default_item_when,
 315                                                         'ago' => $default_item_ago,
 316                                                         'seen' => $it['seen']
 317                                                 );
 318                                                 break;
 319
 320                                         case ACTIVITY_ATTENDNO:
 321                                                 $notif = array(
 322                                                         'label' => 'attendno',
 323                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 324                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 325                                                         'url' => $it['author-link'],
 326                                                         'text' => sprintf(t("%s is not attending %s's event"), $it['author-name'], $it['pname']),
 327                                                         'when' => $default_item_when,
 328                                                         'ago' => $default_item_ago,
 329                                                         'seen' => $it['seen']
 330                                                 );
 331                                                 break;
 332
 333                                         case ACTIVITY_ATTENDMAYBE:
 334                                                 $notif = array(
 335                                                         'label' => 'attendmaybe',
 336                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 337                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 338                                                         'url' => $it['author-link'],
 339                                                         'text' => sprintf(t("%s may attend %s's event"), $it['author-name'], $it['pname']),
 340                                                         'when' => $default_item_when,
 341                                                         'ago' => $default_item_ago,
 342                                                         'seen' => $it['seen']
 343                                                 );
 344                                                 break;
 345
 346                                         case ACTIVITY_FRIEND:
 347                                                 $xmlhead="<"."?xml version='1.0' encoding='UTF-8' ?".">";
 348                                                 $obj = parse_xml_string($xmlhead.$it['object']);
 349                                                 $it['fname'] = $obj->title;
 350
 351                                                 $notif = array(
 352                                                         'label' => 'friend',
 353                                                         'link' => System::baseUrl(true).'/display/'.$it['pguid'],
 354                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 355                                                         'url' => $it['author-link'],
 356                                                         'text' => sprintf(t("%s is now friends with %s"), $it['author-name'], $it['fname']),
 357                                                         'when' => $default_item_when,
 358                                                         'ago' => $default_item_ago,
 359                                                         'seen' => $it['seen']
 360                                                 );
 361                                                 break;
 362
 363                                         default:
 364                                                 $notif = array(
 365                                                         'label' => $default_item_label,
 366                                                         'link' => $default_item_link,
 367                                                         'image' => $default_item_image,
 368                                                         'url' => $default_item_url,
 369                                                         'text' => $default_item_text,
 370                                                         'when' => $default_item_when,
 371                                                         'ago' => $default_item_ago,
 372                                                         'seen' => $it['seen']
 373                                                 );
 374                                 }
 375
 376                                 $arr[] = $notif;
 377                         }
 378                 }
 379
 380                 return $arr;
 381         }
 382
 383         /**
 384          * @brief Total number of network notifications
 385          * @param int|string $seen If 0 only include notifications into the query
 386          *                             which aren't marked as "seen"
 387          *
 388          * @return int Number of network notifications
 389          */
 390         private function networkTotal($seen = 0)
 391         {
 392                 $sql_seen = "";
 393
 394                 if ($seen === 0) {
 395                         $sql_seen = " AND `item`.`unseen` = 1 ";
 396                 }
 397
 398                 $r = q(
 399                         "SELECT COUNT(*) AS `total`
 400                                 FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 401                                 WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 402                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 403                                 $sql_seen",
 404                         intval(local_user())
 405                 );
 406
 407                 if (DBM::is_result($r)) {
 408                         return $r[0]['total'];
 409                 }
 410
 411                 return 0;
 412         }
 413
 414         /**
 415          * @brief Get network notifications
 416          *
 417          * @param int|string $seen  If 0 only include notifications into the query
 418          *                              which aren't marked as "seen"
 419          * @param int        $start Start the query at this point
 420          * @param int        $limit Maximum number of query results
 421          *
 422          * @return array with
 423          *      string 'ident' => Notification identifier
 424          *      int 'total' => Total number of available network notifications
 425          *      array 'notifications' => Network notifications
 426          */
 427         public function networkNotifs($seen = 0, $start = 0, $limit = 80)
 428         {
 429                 $ident = 'network';
 430                 $total = $this->networkTotal($seen);
 431                 $notifs = array();
 432                 $sql_seen = "";
 433
 434                 if ($seen === 0) {
 435                         $sql_seen = " AND `item`.`unseen` = 1 ";
 436                 }
 437
 438
 439                 $r = q(
 440                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 441                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 442                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 443                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 444                         WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 445                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 446                                 $sql_seen
 447                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 448                         intval(local_user()),
 449                         intval($start),
 450                         intval($limit)
 451                 );
 452
 453                 if (DBM::is_result($r)) {
 454                         $notifs = $this->formatNotifs($r, $ident);
 455                 }
 456
 457                 $arr = array (
 458                         'notifications' => $notifs,
 459                         'ident' => $ident,
 460                         'total' => $total,
 461                 );
 462
 463                 return $arr;
 464         }
 465
 466         /**
 467          * @brief Total number of system notifications
 468          * @param int|string $seen If 0 only include notifications into the query
 469          *                             which aren't marked as "seen"
 470          *
 471          * @return int Number of system notifications
 472          */
 473         private function systemTotal($seen = 0)
 474         {
 475                 $sql_seen = "";
 476
 477                 if ($seen === 0) {
 478                         $sql_seen = " AND `seen` = 0 ";
 479                 }
 480
 481                 $r = q(
 482                         "SELECT COUNT(*) AS `total` FROM `notify` WHERE `uid` = %d $sql_seen",
 483                         intval(local_user())
 484                 );
 485
 486                 if (DBM::is_result($r)) {
 487                         return $r[0]['total'];
 488                 }
 489
 490                 return 0;
 491         }
 492
 493         /**
 494          * @brief Get system notifications
 495          *
 496          * @param int|string $seen  If 0 only include notifications into the query
 497          *                              which aren't marked as "seen"
 498          * @param int        $start Start the query at this point
 499          * @param int        $limit Maximum number of query results
 500          *
 501          * @return array with
 502          *      string 'ident' => Notification identifier
 503          *      int 'total' => Total number of available system notifications
 504          *      array 'notifications' => System notifications
 505          */
 506         public function systemNotifs($seen = 0, $start = 0, $limit = 80)
 507         {
 508                 $ident = 'system';
 509                 $total = $this->systemTotal($seen);
 510                 $notifs = array();
 511                 $sql_seen = "";
 512
 513                 if ($seen === 0) {
 514                         $sql_seen = " AND `seen` = 0 ";
 515                 }
 516
 517                 $r = q(
 518                         "SELECT `id`, `url`, `photo`, `msg`, `date`, `seen` FROM `notify`
 519                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 520                         intval(local_user()),
 521                         intval($start),
 522                         intval($limit)
 523                 );
 524
 525                 if (DBM::is_result($r)) {
 526                         $notifs = $this->formatNotifs($r, $ident);
 527                 }
 528
 529                 $arr = array (
 530                         'notifications' => $notifs,
 531                         'ident' => $ident,
 532                         'total' => $total,
 533                 );
 534
 535                 return $arr;
 536         }
 537
 538         /**
 539          * @brief Addional SQL query string for the personal notifications
 540          *
 541          * @return string The additional sql query
 542          */
 543         private function personalSqlExtra()
 544         {
 545                 $myurl = System::baseUrl(true) . '/profile/'. $this->a->user['nickname'];
 546                 $myurl = substr($myurl, strpos($myurl, '://') + 3);
 547                 $myurl = str_replace(array('www.','.'), array('','\\.'), $myurl);
 548                 $diasp_url = str_replace('/profile/', '/u/', $myurl);
 549                 $sql_extra = sprintf(
 550                         " AND ( `item`.`author-link` regexp '%s' OR `item`.`tag` regexp '%s' OR `item`.`tag` regexp '%s' ) ",
 551                         dbesc($myurl . '$'),
 552                         dbesc($myurl . '\\]'),
 553                         dbesc($diasp_url . '\\]')
 554                 );
 555
 556                 return $sql_extra;
 557         }
 558
 559         /**
 560          * @brief Total number of personal notifications
 561          * @param int|string $seen If 0 only include notifications into the query
 562          *                             which aren't marked as "seen"
 563          *
 564          * @return int Number of personal notifications
 565          */
 566         private function personalTotal($seen = 0)
 567         {
 568                 $sql_seen = "";
 569                 $sql_extra = $this->personalSqlExtra();
 570
 571                 if ($seen === 0) {
 572                         $sql_seen = " AND `item`.`unseen` = 1 ";
 573                 }
 574
 575                 $r = q(
 576                         "SELECT COUNT(*) AS `total`
 577                                 FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 578                                 WHERE `item`.`visible` = 1
 579                                 $sql_extra
 580                                 $sql_seen
 581                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0 ",
 582                         intval(local_user())
 583                 );
 584
 585                 if (DBM::is_result($r)) {
 586                         return $r[0]['total'];
 587                 }
 588
 589                 return 0;
 590         }
 591
 592         /**
 593          * @brief Get personal notifications
 594          *
 595          * @param int|string $seen  If 0 only include notifications into the query
 596          *                              which aren't marked as "seen"
 597          * @param int        $start Start the query at this point
 598          * @param int        $limit Maximum number of query results
 599          *
 600          * @return array with
 601          *      string 'ident' => Notification identifier
 602          *      int 'total' => Total number of available personal notifications
 603          *      array 'notifications' => Personal notifications
 604          */
 605         public function personalNotifs($seen = 0, $start = 0, $limit = 80)
 606         {
 607                 $ident = 'personal';
 608                 $total = $this->personalTotal($seen);
 609                 $sql_extra = $this->personalSqlExtra();
 610                 $notifs = array();
 611                 $sql_seen = "";
 612
 613                 if ($seen === 0) {
 614                         $sql_seen = " AND `item`.`unseen` = 1 ";
 615                 }
 616
 617                 $r = q(
 618                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 619                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 620                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 621                         FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 622                         WHERE `item`.`visible` = 1
 623                                 $sql_extra
 624                                 $sql_seen
 625                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 626                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 627                         intval(local_user()),
 628                         intval($start),
 629                         intval($limit)
 630                 );
 631
 632                 if (DBM::is_result($r)) {
 633                         $notifs = $this->formatNotifs($r, $ident);
 634                 }
 635
 636                 $arr = array (
 637                         'notifications' => $notifs,
 638                         'ident' => $ident,
 639                         'total' => $total,
 640                 );
 641
 642                 return $arr;
 643         }
 644
 645         /**
 646          * @brief Total number of home notifications
 647          * @param int|string $seen If 0 only include notifications into the query
 648          *                             which aren't marked as "seen"
 649          *
 650          * @return int Number of home notifications
 651          */
 652         private function homeTotal($seen = 0)
 653         {
 654                 $sql_seen = "";
 655
 656                 if ($seen === 0) {
 657                         $sql_seen = " AND `item`.`unseen` = 1 ";
 658                 }
 659
 660                 $r = q(
 661                         "SELECT COUNT(*) AS `total` FROM `item`
 662                                 WHERE `item`.`visible` = 1 AND
 663                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 664                                 $sql_seen",
 665                         intval(local_user())
 666                 );
 667
 668                 if (DBM::is_result($r)) {
 669                         return $r[0]['total'];
 670                 }
 671
 672                 return 0;
 673         }
 674
 675         /**
 676          * @brief Get home notifications
 677          *
 678          * @param int|string $seen  If 0 only include notifications into the query
 679          *                              which aren't marked as "seen"
 680          * @param int        $start Start the query at this point
 681          * @param int        $limit Maximum number of query results
 682          *
 683          * @return array with
 684          *      string 'ident' => Notification identifier
 685          *      int 'total' => Total number of available home notifications
 686          *      array 'notifications' => Home notifications
 687          */
 688         public function homeNotifs($seen = 0, $start = 0, $limit = 80)
 689         {
 690                 $ident = 'home';
 691                 $total = $this->homeTotal($seen);
 692                 $notifs = array();
 693                 $sql_seen = "";
 694
 695                 if ($seen === 0) {
 696                         $sql_seen = " AND `item`.`unseen` = 1 ";
 697                 }
 698
 699                 $r = q(
 700                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 701                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 702                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 703                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 704                         WHERE `item`.`visible` = 1 AND
 705                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 706                                 $sql_seen
 707                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 708                         intval(local_user()),
 709                         intval($start),
 710                         intval($limit)
 711                 );
 712
 713                 if (DBM::is_result($r)) {
 714                         $notifs = $this->formatNotifs($r, $ident);
 715                 }
 716
 717                 $arr = array (
 718                         'notifications' => $notifs,
 719                         'ident' => $ident,
 720                         'total' => $total,
 721                 );
 722
 723                 return $arr;
 724         }
 725
 726         /**
 727          * @brief Total number of introductions
 728          * @param bool $all If false only include introductions into the query
 729          *                      which aren't marked as ignored
 730          *
 731          * @return int Number of introductions
 732          */
 733         private function introTotal($all = false)
 734         {
 735                 $sql_extra = "";
 736
 737                 if (!$all) {
 738                         $sql_extra = " AND `ignore` = 0 ";
 739                 }
 740
 741                 $r = q(
 742                         "SELECT COUNT(*) AS `total` FROM `intro`
 743                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0 ",
 744                         intval($_SESSION['uid'])
 745                 );
 746
 747                 if (DBM::is_result($r)) {
 748                         return $r[0]['total'];
 749                 }
 750
 751                 return 0;
 752         }
 753
 754         /**
 755          * @brief Get introductions
 756          *
 757          * @param bool $all   If false only include introductions into the query
 758          *                        which aren't marked as ignored
 759          * @param int  $start Start the query at this point
 760          * @param int  $limit Maximum number of query results
 761          *
 762          * @return array with
 763          *      string 'ident' => Notification identifier
 764          *      int 'total' => Total number of available introductions
 765          *      array 'notifications' => Introductions
 766          */
 767         public function introNotifs($all = false, $start = 0, $limit = 80)
 768         {
 769                 $ident = 'introductions';
 770                 $total = $this->introTotal($seen);
 771                 $notifs = array();
 772                 $sql_extra = "";
 773
 774                 if (!$all) {
 775                         $sql_extra = " AND `ignore` = 0 ";
 776                 }
 777
 778                 /// @todo Fetch contact details by "get_contact_details_by_url" instead of queries to contact, fcontact and gcontact
 779                 $r = q(
 780                         "SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 781                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`,
 782                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 783                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 784                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 785                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 786                         FROM `intro`
 787                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 788                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 789                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 790                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 791                         LIMIT %d, %d",
 792                         intval($_SESSION['uid']),
 793                         intval($start),
 794                         intval($limit)
 795                 );
 796
 797                 if (DBM::is_result($r)) {
 798                         $notifs = $this->formatIntros($r);
 799                 }
 800
 801                 $arr = array (
 802                         'ident' => $ident,
 803                         'total' => $total,
 804                         'notifications' => $notifs,
 805                 );
 806
 807                 return $arr;
 808         }
 809
 810         /**
 811          * @brief Format the notification query in an usable array
 812          *
 813          * @param array $intros The array from the db query
 814          * @return array with the introductions
 815          */
 816         private function formatIntros($intros)
 817         {
 818                 $knowyou = '';
 819
 820                 foreach ($intros as $it) {
 821                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 822                         // We have to distinguish between these two because they use different data.
 823
 824                         // Contact suggestions
 825                         if ($it['fid']) {
 826                                 $return_addr = bin2hex($this->a->user['nickname'] . '@' . $this->a->get_hostname() . (($this->a->path) ? '/' . $this->a->path : ''));
 827
 828                                 $intro = array(
 829                                         'label' => 'friend_suggestion',
 830                                         'notify_type' => t('Friend Suggestion'),
 831                                         'intro_id' => $it['intro_id'],
 832                                         'madeby' => $it['name'],
 833                                         'contact_id' => $it['contact-id'],
 834                                         'photo' => ((x($it, 'fphoto')) ? proxy_url($it['fphoto'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 835                                         'name' => $it['fname'],
 836                                         'url' => zrl($it['furl']),
 837                                         'hidden' => $it['hidden'] == 1,
 838                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 839                                         'knowyou' => $knowyou,
 840                                         'note' => $it['note'],
 841                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 842
 843                                 );
 844
 845                                 // Normal connection requests
 846                         } else {
 847                                 $it = $this->getMissingIntroData($it);
 848
 849                                 // Don't show these data until you are connected. Diaspora is doing the same.
 850                                 if ($it['gnetwork'] === NETWORK_DIASPORA) {
 851                                         $it['glocation'] = "";
 852                                         $it['gabout'] = "";
 853                                         $it['ggender'] = "";
 854                                 }
 855                                 $intro = array(
 856                                         'label' => (($it['network'] !== NETWORK_OSTATUS) ? 'friend_request' : 'follower'),
 857                                         'notify_type' => (($it['network'] !== NETWORK_OSTATUS) ? t('Friend/Connect Request') : t('New Follower')),
 858                                         'dfrn_id' => $it['issued-id'],
 859                                         'uid' => $_SESSION['uid'],
 860                                         'intro_id' => $it['intro_id'],
 861                                         'contact_id' => $it['contact-id'],
 862                                         'photo' => ((x($it, 'photo')) ? proxy_url($it['photo'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 863                                         'name' => $it['name'],
 864                                         'location' => bbcode($it['glocation'], false, false),
 865                                         'about' => bbcode($it['gabout'], false, false),
 866                                         'keywords' => $it['gkeywords'],
 867                                         'gender' => $it['ggender'],
 868                                         'hidden' => $it['hidden'] == 1,
 869                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 870                                         'url' => $it['url'],
 871                                         'zrl' => zrl($it['url']),
 872                                         'addr' => $it['gaddr'],
 873                                         'network' => $it['gnetwork'],
 874                                         'knowyou' => $it['knowyou'],
 875                                         'note' => $it['note'],
 876                                 );
 877                         }
 878
 879                         $arr[] = $intro;
 880                 }
 881
 882                 return $arr;
 883         }
 884
 885         /**
 886          * @brief Check for missing contact data and try to fetch the data from
 887          *     from other sources
 888          *
 889          * @param array $arr The input array with the intro data
 890          *
 891          * @return array The array with the intro data
 892          */
 893         private function getMissingIntroData($arr)
 894         {
 895                 // If the network and the addr isn't available from the gcontact
 896                 // table entry, take the one of the contact table entry
 897                 if ($arr['gnetwork'] == "") {
 898                         $arr['gnetwork'] = $arr['network'];
 899                 }
 900                 if ($arr['gaddr'] == "") {
 901                         $arr['gaddr'] = $arr['addr'];
 902                 }
 903
 904                 // If the network and addr is still not available
 905                 // get the missing data data from other sources
 906                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 907                         $ret = get_contact_details_by_url($arr['url']);
 908
 909                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 910                                 $arr['gnetwork'] = $ret['network'];
 911                         }
 912                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 913                                 $arr['gaddr'] = $ret['addr'];
 914                         }
 915                 }
 916
 917                 return $arr;
 918         }
 919 }