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