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\BaseObject;
  10 use Friendica\Core\L10n;
  11 use Friendica\Core\PConfig;
  12 use Friendica\Core\System;
  13 use Friendica\Database\DBM;
  14 use Friendica\Model\Contact;
  15 use Friendica\Model\Profile;
  16 use Friendica\Util\XML;
  17 use Friendica\Util\Temporal;
  18
  19 require_once 'include/dba.php';
  20 require_once 'include/html2plain.php';
  21 require_once 'include/datetime.php';
  22 require_once 'include/bbcode.php';
  23
  24 /**
  25  * @brief Methods for read and write notifications from/to database
  26  *  or for formatting notifications
  27  */
  28 class NotificationsManager extends BaseObject
  29 {
  30         /**
  31          * @brief set some extra note properties
  32          *
  33          * @param array $notes array of note arrays from db
  34          * @return array Copy of input array with added properties
  35          *
  36          * Set some extra properties to note array from db:
  37          *  - timestamp as int in default TZ
  38          *  - date_rel : relative date string
  39          *  - msg_html: message as html string
  40          *  - msg_plain: message as plain text string
  41          */
  42         private function _set_extra($notes)
  43         {
  44                 $rets = [];
  45                 foreach ($notes as $n) {
  46                         $local_time = Temporal::local($n['date']);
  47                         $n['timestamp'] = strtotime($local_time);
  48                         $n['date_rel'] = relative_date($n['date']);
  49                         $n['msg_html'] = bbcode($n['msg'], false, false, false, false);
  50                         $n['msg_plain'] = explode("\n", trim(html2plain($n['msg_html'], 0)))[0];
  51
  52                         $rets[] = $n;
  53                 }
  54                 return $rets;
  55         }
  56
  57         /**
  58          * @brief Get all notifications for local_user()
  59          *
  60          * @param array  $filter optional Array "column name"=>value: filter query by columns values
  61          * @param string $order  optional Space separated list of column to sort by.
  62          *                       Prepend name with "+" to sort ASC, "-" to sort DESC. Default to "-date"
  63          * @param string $limit  optional Query limits
  64          *
  65          * @return array of results or false on errors
  66          */
  67         public function getAll($filter = [], $order = "-date", $limit = "")
  68         {
  69                 $filter_str = [];
  70                 $filter_sql = "";
  71                 foreach ($filter as $column => $value) {
  72                         $filter_str[] = sprintf("`%s` = '%s'", $column, dbesc($value));
  73                 }
  74                 if (count($filter_str) > 0) {
  75                         $filter_sql = "AND " . implode(" AND ", $filter_str);
  76                 }
  77
  78                 $aOrder = explode(" ", $order);
  79                 $asOrder = [];
  80                 foreach ($aOrder as $o) {
  81                         $dir = "asc";
  82                         if ($o[0] === "-") {
  83                                 $dir = "desc";
  84                                 $o = substr($o, 1);
  85                         }
  86                         if ($o[0] === "+") {
  87                                 $dir = "asc";
  88                                 $o = substr($o, 1);
  89                         }
  90                         $asOrder[] = "$o $dir";
  91                 }
  92                 $order_sql = implode(", ", $asOrder);
  93
  94                 if ($limit != "") {
  95                         $limit = " LIMIT " . $limit;
  96                 }
  97                 $r = q(
  98                         "SELECT * FROM `notify` WHERE `uid` = %d $filter_sql ORDER BY $order_sql $limit",
  99                         intval(local_user())
 100                 );
 101
 102                 if (DBM::is_result($r)) {
 103                         return $this->_set_extra($r);
 104                 }
 105
 106                 return false;
 107         }
 108
 109         /**
 110          * @brief Get one note for local_user() by $id value
 111          *
 112          * @param int $id identity
 113          * @return array note values or null if not found
 114          */
 115         public function getByID($id)
 116         {
 117                 $r = q(
 118                         "SELECT * FROM `notify` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 119                         intval($id),
 120                         intval(local_user())
 121                 );
 122                 if (DBM::is_result($r)) {
 123                         return $this->_set_extra($r)[0];
 124                 }
 125                 return null;
 126         }
 127
 128         /**
 129          * @brief set seen state of $note of local_user()
 130          *
 131          * @param array $note note array
 132          * @param bool  $seen optional true or false, default true
 133          * @return bool true on success, false on errors
 134          */
 135         public function setSeen($note, $seen = true)
 136         {
 137                 return q(
 138                         "UPDATE `notify` SET `seen` = %d WHERE ( `link` = '%s' OR ( `parent` != 0 AND `parent` = %d AND `otype` = '%s' )) AND `uid` = %d",
 139                         intval($seen),
 140                         dbesc($note['link']),
 141                         intval($note['parent']),
 142                         dbesc($note['otype']),
 143                         intval(local_user())
 144                 );
 145         }
 146
 147         /**
 148          * @brief set seen state of all notifications of local_user()
 149          *
 150          * @param bool $seen optional true or false. default true
 151          * @return bool true on success, false on error
 152          */
 153         public function setAllSeen($seen = true)
 154         {
 155                 return q(
 156                         "UPDATE `notify` SET `seen` = %d WHERE `uid` = %d",
 157                         intval($seen),
 158                         intval(local_user())
 159                 );
 160         }
 161
 162         /**
 163          * @brief List of pages for the Notifications TabBar
 164          *
 165          * @return array with with notifications TabBar data
 166          */
 167         public function getTabs()
 168         {
 169                 $tabs = [
 170                         [
 171                                 'label' => L10n::t('System'),
 172                                 'url'   => 'notifications/system',
 173                                 'sel'   => ((self::getApp()->argv[1] == 'system') ? 'active' : ''),
 174                                 'id'    => 'system-tab',
 175                                 'accesskey' => 'y',
 176                         ],
 177                         [
 178                                 'label' => L10n::t('Network'),
 179                                 'url'   => 'notifications/network',
 180                                 'sel'   => ((self::getApp()->argv[1] == 'network') ? 'active' : ''),
 181                                 'id'    => 'network-tab',
 182                                 'accesskey' => 'w',
 183                         ],
 184                         [
 185                                 'label' => L10n::t('Personal'),
 186                                 'url'   => 'notifications/personal',
 187                                 'sel'   => ((self::getApp()->argv[1] == 'personal') ? 'active' : ''),
 188                                 'id'    => 'personal-tab',
 189                                 'accesskey' => 'r',
 190                         ],
 191                         [
 192                                 'label' => L10n::t('Home'),
 193                                 'url'   => 'notifications/home',
 194                                 'sel'   => ((self::getApp()->argv[1] == 'home') ? 'active' : ''),
 195                                 'id'    => 'home-tab',
 196                                 'accesskey' => 'h',
 197                         ],
 198                         [
 199                                 'label' => L10n::t('Introductions'),
 200                                 'url'   => 'notifications/intros',
 201                                 'sel'   => ((self::getApp()->argv[1] == 'intros') ? 'active' : ''),
 202                                 'id'    => 'intro-tab',
 203                                 'accesskey' => 'i',
 204                         ],
 205                 ];
 206
 207                 return $tabs;
 208         }
 209
 210         /**
 211          * @brief Format the notification query in an usable array
 212          *
 213          * @param array  $notifs The array from the db query
 214          * @param string $ident  The notifications identifier (e.g. network)
 215          * @return array
 216          *      string 'label' => The type of the notification
 217          *      string 'link' => URL to the source
 218          *      string 'image' => The avatar image
 219          *      string 'url' => The profile url of the contact
 220          *      string 'text' => The notification text
 221          *      string 'when' => The date of the notification
 222          *      string 'ago' => T relative date of the notification
 223          *      bool 'seen' => Is the notification marked as "seen"
 224          */
 225         private function formatNotifs($notifs, $ident = "")
 226         {
 227                 $notif = [];
 228                 $arr = [];
 229
 230                 if (DBM::is_result($notifs)) {
 231                         foreach ($notifs as $it) {
 232                                 // Because we use different db tables for the notification query
 233                                 // we have sometimes $it['unseen'] and sometimes $it['seen].
 234                                 // So we will have to transform $it['unseen']
 235                                 if (array_key_exists('unseen', $it)) {
 236                                         $it['seen'] = ($it['unseen'] > 0 ? false : true);
 237                                 }
 238
 239                                 // Depending on the identifier of the notification we need to use different defaults
 240                                 switch ($ident) {
 241                                         case 'system':
 242                                                 $default_item_label = 'notify';
 243                                                 $default_item_link = System::baseUrl(true) . '/notify/view/' . $it['id'];
 244                                                 $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
 245                                                 $default_item_url = $it['url'];
 246                                                 $default_item_text = strip_tags(bbcode($it['msg']));
 247                                                 $default_item_when = Temporal::local($it['date'], 'r');
 248                                                 $default_item_ago = relative_date($it['date']);
 249                                                 break;
 250
 251                                         case 'home':
 252                                                 $default_item_label = 'comment';
 253                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['pguid'];
 254                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 255                                                 $default_item_url = $it['author-link'];
 256                                                 $default_item_text = L10n::t("%s commented on %s's post", $it['author-name'], $it['pname']);
 257                                                 $default_item_when = Temporal::local($it['created'], 'r');
 258                                                 $default_item_ago = relative_date($it['created']);
 259                                                 break;
 260
 261                                         default:
 262                                                 $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
 263                                                 $default_item_link = System::baseUrl(true) . '/display/' . $it['pguid'];
 264                                                 $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
 265                                                 $default_item_url = $it['author-link'];
 266                                                 $default_item_text = (($it['id'] == $it['parent'])
 267                                                                         ? L10n::t("%s created a new post", $it['author-name'])
 268                                                                         : L10n::t("%s commented on %s's post", $it['author-name'], $it['pname']));
 269                                                 $default_item_when = Temporal::local($it['created'], 'r');
 270                                                 $default_item_ago = relative_date($it['created']);
 271                                 }
 272
 273                                 // Transform the different types of notification in an usable array
 274                                 switch ($it['verb']) {
 275                                         case ACTIVITY_LIKE:
 276                                                 $notif = [
 277                                                         'label' => 'like',
 278                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 279                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 280                                                         'url' => $it['author-link'],
 281                                                         'text' => L10n::t("%s liked %s's post", $it['author-name'], $it['pname']),
 282                                                         'when' => $default_item_when,
 283                                                         'ago' => $default_item_ago,
 284                                                         'seen' => $it['seen']
 285                                                 ];
 286                                                 break;
 287
 288                                         case ACTIVITY_DISLIKE:
 289                                                 $notif = [
 290                                                         'label' => 'dislike',
 291                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 292                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 293                                                         'url' => $it['author-link'],
 294                                                         'text' => L10n::t("%s disliked %s's post", $it['author-name'], $it['pname']),
 295                                                         'when' => $default_item_when,
 296                                                         'ago' => $default_item_ago,
 297                                                         'seen' => $it['seen']
 298                                                 ];
 299                                                 break;
 300
 301                                         case ACTIVITY_ATTEND:
 302                                                 $notif = [
 303                                                         'label' => 'attend',
 304                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 305                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 306                                                         'url' => $it['author-link'],
 307                                                         'text' => L10n::t("%s is attending %s's event", $it['author-name'], $it['pname']),
 308                                                         'when' => $default_item_when,
 309                                                         'ago' => $default_item_ago,
 310                                                         'seen' => $it['seen']
 311                                                 ];
 312                                                 break;
 313
 314                                         case ACTIVITY_ATTENDNO:
 315                                                 $notif = [
 316                                                         'label' => 'attendno',
 317                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 318                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 319                                                         'url' => $it['author-link'],
 320                                                         'text' => L10n::t("%s is not attending %s's event", $it['author-name'], $it['pname']),
 321                                                         'when' => $default_item_when,
 322                                                         'ago' => $default_item_ago,
 323                                                         'seen' => $it['seen']
 324                                                 ];
 325                                                 break;
 326
 327                                         case ACTIVITY_ATTENDMAYBE:
 328                                                 $notif = [
 329                                                         'label' => 'attendmaybe',
 330                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 331                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 332                                                         'url' => $it['author-link'],
 333                                                         'text' => L10n::t("%s may attend %s's event", $it['author-name'], $it['pname']),
 334                                                         'when' => $default_item_when,
 335                                                         'ago' => $default_item_ago,
 336                                                         'seen' => $it['seen']
 337                                                 ];
 338                                                 break;
 339
 340                                         case ACTIVITY_FRIEND:
 341                                                 $xmlhead = "<" . "?xml version='1.0' encoding='UTF-8' ?" . ">";
 342                                                 $obj = XML::parseString($xmlhead . $it['object']);
 343                                                 $it['fname'] = $obj->title;
 344
 345                                                 $notif = [
 346                                                         'label' => 'friend',
 347                                                         'link' => System::baseUrl(true) . '/display/' . $it['pguid'],
 348                                                         'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
 349                                                         'url' => $it['author-link'],
 350                                                         'text' => L10n::t("%s is now friends with %s", $it['author-name'], $it['fname']),
 351                                                         'when' => $default_item_when,
 352                                                         'ago' => $default_item_ago,
 353                                                         'seen' => $it['seen']
 354                                                 ];
 355                                                 break;
 356
 357                                         default:
 358                                                 $notif = [
 359                                                         'label' => $default_item_label,
 360                                                         'link' => $default_item_link,
 361                                                         'image' => $default_item_image,
 362                                                         'url' => $default_item_url,
 363                                                         'text' => $default_item_text,
 364                                                         'when' => $default_item_when,
 365                                                         'ago' => $default_item_ago,
 366                                                         'seen' => $it['seen']
 367                                                 ];
 368                                 }
 369
 370                                 $arr[] = $notif;
 371                         }
 372                 }
 373
 374                 return $arr;
 375         }
 376
 377         /**
 378          * @brief Total number of network notifications
 379          * @param int|string $seen If 0 only include notifications into the query
 380          *                             which aren't marked as "seen"
 381          *
 382          * @return int Number of network notifications
 383          */
 384         private function networkTotal($seen = 0)
 385         {
 386                 $sql_seen = "";
 387
 388                 if ($seen === 0) {
 389                         $sql_seen = " AND `item`.`unseen` = 1 ";
 390                 }
 391
 392                 $r = q(
 393                         "SELECT COUNT(*) AS `total`
 394                                 FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 395                                 WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 396                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 397                                 $sql_seen",
 398                         intval(local_user())
 399                 );
 400                 if (DBM::is_result($r)) {
 401                         return $r[0]['total'];
 402                 }
 403
 404                 return 0;
 405         }
 406
 407         /**
 408          * @brief Get network notifications
 409          *
 410          * @param int|string $seen  If 0 only include notifications into the query
 411          *                              which aren't marked as "seen"
 412          * @param int        $start Start the query at this point
 413          * @param int        $limit Maximum number of query results
 414          *
 415          * @return array with
 416          *      string 'ident' => Notification identifier
 417          *      int 'total' => Total number of available network notifications
 418          *      array 'notifications' => Network notifications
 419          */
 420         public function networkNotifs($seen = 0, $start = 0, $limit = 80)
 421         {
 422                 $ident = 'network';
 423                 $total = $this->networkTotal($seen);
 424                 $notifs = [];
 425                 $sql_seen = "";
 426
 427                 if ($seen === 0) {
 428                         $sql_seen = " AND `item`.`unseen` = 1 ";
 429                 }
 430
 431                 $r = q(
 432                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 433                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 434                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 435                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 436                         WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
 437                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 438                                 $sql_seen
 439                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 440                         intval(local_user()),
 441                         intval($start),
 442                         intval($limit)
 443                 );
 444                 if (DBM::is_result($r)) {
 445                         $notifs = $this->formatNotifs($r, $ident);
 446                 }
 447
 448                 $arr = [
 449                         'notifications' => $notifs,
 450                         'ident' => $ident,
 451                         'total' => $total,
 452                 ];
 453
 454                 return $arr;
 455         }
 456
 457         /**
 458          * @brief Total number of system notifications
 459          * @param int|string $seen If 0 only include notifications into the query
 460          *                             which aren't marked as "seen"
 461          *
 462          * @return int Number of system notifications
 463          */
 464         private function systemTotal($seen = 0)
 465         {
 466                 $sql_seen = "";
 467
 468                 if ($seen === 0) {
 469                         $sql_seen = " AND `seen` = 0 ";
 470                 }
 471
 472                 $r = q(
 473                         "SELECT COUNT(*) AS `total` FROM `notify` WHERE `uid` = %d $sql_seen",
 474                         intval(local_user())
 475                 );
 476                 if (DBM::is_result($r)) {
 477                         return $r[0]['total'];
 478                 }
 479
 480                 return 0;
 481         }
 482
 483         /**
 484          * @brief Get system notifications
 485          *
 486          * @param int|string $seen  If 0 only include notifications into the query
 487          *                              which aren't marked as "seen"
 488          * @param int        $start Start the query at this point
 489          * @param int        $limit Maximum number of query results
 490          *
 491          * @return array with
 492          *      string 'ident' => Notification identifier
 493          *      int 'total' => Total number of available system notifications
 494          *      array 'notifications' => System notifications
 495          */
 496         public function systemNotifs($seen = 0, $start = 0, $limit = 80)
 497         {
 498                 $ident = 'system';
 499                 $total = $this->systemTotal($seen);
 500                 $notifs = [];
 501                 $sql_seen = "";
 502
 503                 if ($seen === 0) {
 504                         $sql_seen = " AND `seen` = 0 ";
 505                 }
 506
 507                 $r = q(
 508                         "SELECT `id`, `url`, `photo`, `msg`, `date`, `seen` FROM `notify`
 509                                 WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
 510                         intval(local_user()),
 511                         intval($start),
 512                         intval($limit)
 513                 );
 514                 if (DBM::is_result($r)) {
 515                         $notifs = $this->formatNotifs($r, $ident);
 516                 }
 517
 518                 $arr = [
 519                         'notifications' => $notifs,
 520                         'ident' => $ident,
 521                         'total' => $total,
 522                 ];
 523
 524                 return $arr;
 525         }
 526
 527         /**
 528          * @brief Additional SQL query string for the personal notifications
 529          *
 530          * @return string The additional SQL query
 531          */
 532         private function personalSqlExtra()
 533         {
 534                 $myurl = System::baseUrl(true) . '/profile/' . self::getApp()->user['nickname'];
 535                 $myurl = substr($myurl, strpos($myurl, '://') + 3);
 536                 $myurl = str_replace(['www.', '.'], ['', '\\.'], $myurl);
 537                 $diasp_url = str_replace('/profile/', '/u/', $myurl);
 538                 $sql_extra = sprintf(
 539                         " AND ( `item`.`author-link` regexp '%s' OR `item`.`tag` regexp '%s' OR `item`.`tag` regexp '%s' ) ",
 540                         dbesc($myurl . '$'),
 541                         dbesc($myurl . '\\]'),
 542                         dbesc($diasp_url . '\\]')
 543                 );
 544
 545                 return $sql_extra;
 546         }
 547
 548         /**
 549          * @brief Total number of personal notifications
 550          * @param int|string $seen If 0 only include notifications into the query
 551          *                             which aren't marked as "seen"
 552          *
 553          * @return int Number of personal notifications
 554          */
 555         private function personalTotal($seen = 0)
 556         {
 557                 $sql_seen = "";
 558                 $sql_extra = $this->personalSqlExtra();
 559
 560                 if ($seen === 0) {
 561                         $sql_seen = " AND `item`.`unseen` = 1 ";
 562                 }
 563
 564                 $r = q(
 565                         "SELECT COUNT(*) AS `total`
 566                                 FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 567                                 WHERE `item`.`visible` = 1
 568                                 $sql_extra
 569                                 $sql_seen
 570                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0 ",
 571                         intval(local_user())
 572                 );
 573                 if (DBM::is_result($r)) {
 574                         return $r[0]['total'];
 575                 }
 576
 577                 return 0;
 578         }
 579
 580         /**
 581          * @brief Get personal notifications
 582          *
 583          * @param int|string $seen  If 0 only include notifications into the query
 584          *                              which aren't marked as "seen"
 585          * @param int        $start Start the query at this point
 586          * @param int        $limit Maximum number of query results
 587          *
 588          * @return array with
 589          *      string 'ident' => Notification identifier
 590          *      int 'total' => Total number of available personal notifications
 591          *      array 'notifications' => Personal notifications
 592          */
 593         public function personalNotifs($seen = 0, $start = 0, $limit = 80)
 594         {
 595                 $ident = 'personal';
 596                 $total = $this->personalTotal($seen);
 597                 $sql_extra = $this->personalSqlExtra();
 598                 $notifs = [];
 599                 $sql_seen = "";
 600
 601                 if ($seen === 0) {
 602                         $sql_seen = " AND `item`.`unseen` = 1 ";
 603                 }
 604
 605                 $r = q(
 606                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 607                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 608                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 609                         FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
 610                         WHERE `item`.`visible` = 1
 611                                 $sql_extra
 612                                 $sql_seen
 613                                 AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
 614                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 615                         intval(local_user()),
 616                         intval($start),
 617                         intval($limit)
 618                 );
 619                 if (DBM::is_result($r)) {
 620                         $notifs = $this->formatNotifs($r, $ident);
 621                 }
 622
 623                 $arr = [
 624                         'notifications' => $notifs,
 625                         'ident' => $ident,
 626                         'total' => $total,
 627                 ];
 628
 629                 return $arr;
 630         }
 631
 632         /**
 633          * @brief Total number of home notifications
 634          * @param int|string $seen If 0 only include notifications into the query
 635          *                             which aren't marked as "seen"
 636          *
 637          * @return int Number of home notifications
 638          */
 639         private function homeTotal($seen = 0)
 640         {
 641                 $sql_seen = "";
 642
 643                 if ($seen === 0) {
 644                         $sql_seen = " AND `item`.`unseen` = 1 ";
 645                 }
 646
 647                 $r = q(
 648                         "SELECT COUNT(*) AS `total` FROM `item`
 649                                 WHERE `item`.`visible` = 1 AND
 650                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 651                                 $sql_seen",
 652                         intval(local_user())
 653                 );
 654                 if (DBM::is_result($r)) {
 655                         return $r[0]['total'];
 656                 }
 657
 658                 return 0;
 659         }
 660
 661         /**
 662          * @brief Get home notifications
 663          *
 664          * @param int|string $seen  If 0 only include notifications into the query
 665          *                              which aren't marked as "seen"
 666          * @param int        $start Start the query at this point
 667          * @param int        $limit Maximum number of query results
 668          *
 669          * @return array with
 670          *      string 'ident' => Notification identifier
 671          *      int 'total' => Total number of available home notifications
 672          *      array 'notifications' => Home notifications
 673          */
 674         public function homeNotifs($seen = 0, $start = 0, $limit = 80)
 675         {
 676                 $ident = 'home';
 677                 $total = $this->homeTotal($seen);
 678                 $notifs = [];
 679                 $sql_seen = "";
 680
 681                 if ($seen === 0) {
 682                         $sql_seen = " AND `item`.`unseen` = 1 ";
 683                 }
 684
 685                 $r = q(
 686                         "SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
 687                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
 688                                 `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
 689                         FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
 690                         WHERE `item`.`visible` = 1 AND
 691                                  `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
 692                                 $sql_seen
 693                         ORDER BY `item`.`created` DESC LIMIT %d, %d ",
 694                         intval(local_user()),
 695                         intval($start),
 696                         intval($limit)
 697                 );
 698                 if (DBM::is_result($r)) {
 699                         $notifs = $this->formatNotifs($r, $ident);
 700                 }
 701
 702                 $arr = [
 703                         'notifications' => $notifs,
 704                         'ident' => $ident,
 705                         'total' => $total,
 706                 ];
 707
 708                 return $arr;
 709         }
 710
 711         /**
 712          * @brief Total number of introductions
 713          * @param bool $all If false only include introductions into the query
 714          *                      which aren't marked as ignored
 715          *
 716          * @return int Number of introductions
 717          */
 718         private function introTotal($all = false)
 719         {
 720                 $sql_extra = "";
 721
 722                 if (!$all) {
 723                         $sql_extra = " AND `ignore` = 0 ";
 724                 }
 725
 726                 $r = q(
 727                         "SELECT COUNT(*) AS `total` FROM `intro`
 728                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0 ",
 729                         intval($_SESSION['uid'])
 730                 );
 731
 732                 if (DBM::is_result($r)) {
 733                         return $r[0]['total'];
 734                 }
 735
 736                 return 0;
 737         }
 738
 739         /**
 740          * @brief Get introductions
 741          *
 742          * @param bool $all   If false only include introductions into the query
 743          *                        which aren't marked as ignored
 744          * @param int  $start Start the query at this point
 745          * @param int  $limit Maximum number of query results
 746          *
 747          * @return array with
 748          *      string 'ident' => Notification identifier
 749          *      int 'total' => Total number of available introductions
 750          *      array 'notifications' => Introductions
 751          */
 752         public function introNotifs($all = false, $start = 0, $limit = 80)
 753         {
 754                 $ident = 'introductions';
 755                 $total = $this->introTotal($all);
 756                 $notifs = [];
 757                 $sql_extra = "";
 758
 759                 if (!$all) {
 760                         $sql_extra = " AND `ignore` = 0 ";
 761                 }
 762
 763                 /// @todo Fetch contact details by "Contact::getDetailsByUrl" instead of queries to contact, fcontact and gcontact
 764                 $r = q(
 765                         "SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
 766                                 `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`,
 767                                 `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
 768                                 `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
 769                                 `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
 770                                 `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
 771                         FROM `intro`
 772                                 LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
 773                                 LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
 774                                 LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
 775                         WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
 776                         LIMIT %d, %d",
 777                         intval($_SESSION['uid']),
 778                         intval($start),
 779                         intval($limit)
 780                 );
 781                 if (DBM::is_result($r)) {
 782                         $notifs = $this->formatIntros($r);
 783                 }
 784
 785                 $arr = [
 786                         'ident' => $ident,
 787                         'total' => $total,
 788                         'notifications' => $notifs,
 789                 ];
 790
 791                 return $arr;
 792         }
 793
 794         /**
 795          * @brief Format the notification query in an usable array
 796          *
 797          * @param array $intros The array from the db query
 798          * @return array with the introductions
 799          */
 800         private function formatIntros($intros)
 801         {
 802                 $knowyou = '';
 803
 804                 foreach ($intros as $it) {
 805                         // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
 806                         // We have to distinguish between these two because they use different data.
 807                         // Contact suggestions
 808                         if ($it['fid']) {
 809                                 $return_addr = bin2hex(self::getApp()->user['nickname'] . '@' . self::getApp()->get_hostname() . ((self::getApp()->path) ? '/' . self::getApp()->path : ''));
 810
 811                                 $intro = [
 812                                         'label' => 'friend_suggestion',
 813                                         'notify_type' => L10n::t('Friend Suggestion'),
 814                                         'intro_id' => $it['intro_id'],
 815                                         'madeby' => $it['name'],
 816                                         'contact_id' => $it['contact-id'],
 817                                         'photo' => ((x($it, 'fphoto')) ? proxy_url($it['fphoto'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 818                                         'name' => $it['fname'],
 819                                         'url' => Profile::zrl($it['furl']),
 820                                         'hidden' => $it['hidden'] == 1,
 821                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 822                                         'knowyou' => $knowyou,
 823                                         'note' => $it['note'],
 824                                         'request' => $it['frequest'] . '?addr=' . $return_addr,
 825                                 ];
 826
 827                                 // Normal connection requests
 828                         } else {
 829                                 $it = $this->getMissingIntroData($it);
 830
 831                                 // Don't show these data until you are connected. Diaspora is doing the same.
 832                                 if ($it['gnetwork'] === NETWORK_DIASPORA) {
 833                                         $it['glocation'] = "";
 834                                         $it['gabout'] = "";
 835                                         $it['ggender'] = "";
 836                                 }
 837                                 $intro = [
 838                                         'label' => (($it['network'] !== NETWORK_OSTATUS) ? 'friend_request' : 'follower'),
 839                                         'notify_type' => (($it['network'] !== NETWORK_OSTATUS) ? L10n::t('Friend/Connect Request') : L10n::t('New Follower')),
 840                                         'dfrn_id' => $it['issued-id'],
 841                                         'uid' => $_SESSION['uid'],
 842                                         'intro_id' => $it['intro_id'],
 843                                         'contact_id' => $it['contact-id'],
 844                                         'photo' => ((x($it, 'photo')) ? proxy_url($it['photo'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
 845                                         'name' => $it['name'],
 846                                         'location' => bbcode($it['glocation'], false, false),
 847                                         'about' => bbcode($it['gabout'], false, false),
 848                                         'keywords' => $it['gkeywords'],
 849                                         'gender' => $it['ggender'],
 850                                         'hidden' => $it['hidden'] == 1,
 851                                         'post_newfriend' => (intval(PConfig::get(local_user(), 'system', 'post_newfriend')) ? '1' : 0),
 852                                         'url' => $it['url'],
 853                                         'zrl' => Profile::zrl($it['url']),
 854                                         'addr' => $it['gaddr'],
 855                                         'network' => $it['gnetwork'],
 856                                         'knowyou' => $it['knowyou'],
 857                                         'note' => $it['note'],
 858                                 ];
 859                         }
 860
 861                         $arr[] = $intro;
 862                 }
 863
 864                 return $arr;
 865         }
 866
 867         /**
 868          * @brief Check for missing contact data and try to fetch the data from
 869          *     from other sources
 870          *
 871          * @param array $arr The input array with the intro data
 872          *
 873          * @return array The array with the intro data
 874          */
 875         private function getMissingIntroData($arr)
 876         {
 877                 // If the network and the addr isn't available from the gcontact
 878                 // table entry, take the one of the contact table entry
 879                 if ($arr['gnetwork'] == "") {
 880                         $arr['gnetwork'] = $arr['network'];
 881                 }
 882                 if ($arr['gaddr'] == "") {
 883                         $arr['gaddr'] = $arr['addr'];
 884                 }
 885
 886                 // If the network and addr is still not available
 887                 // get the missing data data from other sources
 888                 if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
 889                         $ret = Contact::getDetailsByURL($arr['url']);
 890
 891                         if ($arr['gnetwork'] == "" && $ret['network'] != "") {
 892                                 $arr['gnetwork'] = $ret['network'];
 893                         }
 894                         if ($arr['gaddr'] == "" && $ret['addr'] != "") {
 895                                 $arr['gaddr'] = $ret['addr'];
 896                         }
 897                 }
 898
 899                 return $arr;
 900         }
 901 }