classes/pref/filters.php

   1 <?php
   2 class Pref_Filters extends Handler_Protected {
   3
   4         function csrf_ignore($method) {
   5                 $csrf_ignored = array("index", "getfiltertree", "edit", "newfilter", "newrule",
   6                         "newaction", "savefilterorder");
   7
   8                 return array_search($method, $csrf_ignored) !== false;
   9         }
  10
  11         function filtersortreset() {
  12                 $sth = $this->pdo->prepare("UPDATE ttrss_filters2
  13                                 SET order_id = 0 WHERE owner_uid = ?");
  14                 $sth->execute([$_SESSION['uid']]);
  15                 return;
  16         }
  17
  18         function savefilterorder() {
  19                 $data = json_decode($_POST['payload'], true);
  20
  21                 #file_put_contents("/tmp/saveorder.json", $_POST['payload']);
  22                 #$data = json_decode(file_get_contents("/tmp/saveorder.json"), true);
  23
  24                 if (!is_array($data['items']))
  25                         $data['items'] = json_decode($data['items'], true);
  26
  27                 $index = 0;
  28
  29                 if (is_array($data) && is_array($data['items'])) {
  30
  31                         $sth = $this->pdo->prepare("UPDATE ttrss_filters2 SET
  32                                                 order_id = ? WHERE id = ? AND
  33                                                 owner_uid = ?");
  34
  35                         foreach ($data['items'][0]['items'] as $item) {
  36                                 $filter_id = (int) str_replace("FILTER:", "", $item['_reference']);
  37
  38                                 if ($filter_id > 0) {
  39                                         $sth->execute([$index, $filter_id, $_SESSION['uid']]);
  40                                         ++$index;
  41                                 }
  42                         }
  43                 }
  44
  45                 return;
  46         }
  47
  48         function testFilterDo() {
  49                 $offset = (int) $_REQUEST["offset"];
  50                 $limit = (int) $_REQUEST["limit"];
  51
  52                 $filter = array();
  53
  54                 $filter["enabled"] = true;
  55                 $filter["match_any_rule"] = sql_bool_to_bool(
  56                         checkbox_to_sql_bool($_REQUEST["match_any_rule"]));
  57                 $filter["inverse"] = sql_bool_to_bool(
  58                         checkbox_to_sql_bool($_REQUEST["inverse"]));
  59
  60                 $filter["rules"] = array();
  61                 $filter["actions"] = array("dummy-action");
  62
  63                 $res = $this->pdo->query("SELECT id,name FROM ttrss_filter_types");
  64
  65                 $filter_types = array();
  66                 while ($line = $res->fetch()) {
  67                         $filter_types[$line["id"]] = $line["name"];
  68                 }
  69
  70                 $scope_qparts = array();
  71
  72                 $rctr = 0;
  73                 foreach ($_REQUEST["rule"] AS $r) {
  74                         $rule = json_decode($r, true);
  75
  76                         if ($rule && $rctr < 5) {
  77                                 $rule["type"] = $filter_types[$rule["filter_type"]];
  78                                 unset($rule["filter_type"]);
  79
  80                                 $scope_inner_qparts = [];
  81                                 foreach ($rule["feed_id"] as $feed_id) {
  82
  83                     if (strpos($feed_id, "CAT:") === 0) {
  84                         $cat_id = (int) substr($feed_id, 4);
  85                         array_push($scope_inner_qparts, "cat_id = " . $this->pdo->quote($cat_id));
  86                     } else if ($feed_id > 0) {
  87                         array_push($scope_inner_qparts, "feed_id = " . $this->pdo->quote($feed_id));
  88                     }
  89                 }
  90
  91                 if (count($scope_inner_qparts) > 0) {
  92                                     array_push($scope_qparts, "(" . implode(" OR ", $scope_inner_qparts) . ")");
  93                 }
  94
  95                                 array_push($filter["rules"], $rule);
  96
  97                                 ++$rctr;
  98                         } else {
  99                                 break;
 100                         }
 101                 }
 102
 103                 if (count($scope_qparts) == 0) $scope_qparts = ["true"];
 104
 105                 $glue = $filter['match_any_rule'] ? " OR " :  " AND ";
 106                 $scope_qpart = join($glue, $scope_qparts);
 107
 108                 if (!$scope_qpart) $scope_qpart = "true";
 109
 110                 $rv = array();
 111
 112                 //while ($found < $limit && $offset < $limit * 1000 && time() - $started < ini_get("max_execution_time") * 0.7) {
 113
 114                 $sth = $this->pdo->prepare("SELECT ttrss_entries.id,
 115                                 ttrss_entries.title,
 116                                 ttrss_feeds.id AS feed_id,
 117                                 ttrss_feeds.title AS feed_title,
 118                                 ttrss_feed_categories.id AS cat_id,
 119                                 content,
 120                                 date_entered,
 121                                 link,
 122                                 author,
 123                                 tag_cache
 124                         FROM
 125                                 ttrss_entries, ttrss_user_entries
 126                                         LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)
 127                                         LEFT JOIN ttrss_feed_categories ON (ttrss_feeds.cat_id = ttrss_feed_categories.id)
 128                         WHERE
 129                                 ref_id = ttrss_entries.id AND
 130                                 ($scope_qpart) AND
 131                                 ttrss_user_entries.owner_uid = ?
 132                         ORDER BY date_entered DESC LIMIT $limit OFFSET $offset");
 133
 134                 $sth->execute([$_SESSION['uid']]);
 135
 136                 while ($line = $sth->fetch()) {
 137
 138                         $rc = RSSUtils::get_article_filters(array($filter), $line['title'], $line['content'], $line['link'],
 139                                 $line['author'], explode(",", $line['tag_cache']));
 140
 141                         if (count($rc) > 0) {
 142
 143                                 $line["content_preview"] = truncate_string(strip_tags($line["content"]), 200, '&hellip;');
 144
 145                                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
 146                                         $line = $p->hook_query_headlines($line, 100);
 147                                 }
 148
 149                                 $content_preview = $line["content_preview"];
 150
 151                                 $tmp = "<tr style='margin-top : 5px'>";
 152
 153                                 #$tmp .= "<td width='5%' align='center'><input dojoType=\"dijit.form.CheckBox\"
 154                                 #       checked=\"1\" disabled=\"1\" type=\"checkbox\"></td>";
 155
 156                                 $id = $line['id'];
 157                                 $tmp .= "<td width='5%' align='center'><img style='cursor : pointer' title='".__("Preview article")."'
 158                                         src='images/information.png' onclick='openArticlePopup($id)'></td><td>";
 159
 160                                 /*foreach ($filter['rules'] as $rule) {
 161                                         $reg_exp = str_replace('/', '\/', $rule["reg_exp"]);
 162
 163                                         $line["title"] = preg_replace("/($reg_exp)/i",
 164                                                 "<span class=\"highlight\">$1</span>", $line["title"]);
 165
 166                                         $content_preview = preg_replace("/($reg_exp)/i",
 167                                                 "<span class=\"highlight\">$1</span>", $content_preview);
 168                                 }*/
 169
 170                                 $tmp .= "<strong>" . $line["title"] . "</strong><br/>";
 171                                 $tmp .= $line['feed_title'] . ", " . mb_substr($line["date_entered"], 0, 16);
 172                                 $tmp .= "<div class='insensitive'>" . $content_preview . "</div>";
 173                                 $tmp .= "</td></tr>";
 174
 175                                 array_push($rv, $tmp);
 176
 177                                 /*array_push($rv, array("title" => $line["title"],
 178                                         "content" => $content_preview,
 179                                         "date" => $line["date_entered"],
 180                                         "feed" => $line["feed_title"])); */
 181
 182                         }
 183                 }
 184
 185                         //$offset += $limit;
 186                 //}
 187
 188                 /*if ($found == 0) {
 189                         print "<tr><td align='center'>" .
 190                                 __("No recent articles matching this filter have been found.");
 191                 }*/
 192
 193                 print json_encode($rv);
 194         }
 195
 196         function testFilter() {
 197
 198                 if (isset($_REQUEST["offset"])) return $this->testFilterDo();
 199
 200                 //print __("Articles matching this filter:");
 201
 202                 print "<div><img id='prefFilterLoadingIndicator' src='images/indicator_tiny.gif'>&nbsp;<span id='prefFilterProgressMsg'>Looking for articles...</span></div>";
 203
 204                 print "<br/><div class=\"filterTestHolder\">";
 205                 print "<table width=\"100%\" cellspacing=\"0\" id=\"prefFilterTestResultList\">";
 206                 print "</table></div>";
 207
 208                 print "<div style='text-align : center'>";
 209                 print "<button dojoType=\"dijit.form.Button\" onclick=\"dijit.byId('filterTestDlg').hide()\">".
 210                         __('Close this window')."</button>";
 211                 print "</div>";
 212
 213         }
 214
 215         private function getfilterrules_concise($filter_id) {
 216                 $sth = $this->pdo->prepare("SELECT reg_exp,
 217                         inverse,
 218                         match_on,
 219                         feed_id,
 220                         cat_id,
 221                         cat_filter,
 222                         ttrss_filter_types.description AS field
 223                         FROM
 224                                 ttrss_filters2_rules, ttrss_filter_types
 225                         WHERE
 226                                 filter_id = ? AND filter_type = ttrss_filter_types.id
 227                         ORDER BY reg_exp");
 228                 $sth->execute([$filter_id]);
 229
 230                 $rv = "";
 231
 232                 while ($line = $sth->fetch()) {
 233
 234                     if ($line["match_on"]) {
 235                         $feeds = json_decode($line["match_on"], true);
 236                         $feeds_fmt = [];
 237
 238                 foreach ($feeds as $feed_id) {
 239
 240                     if (strpos($feed_id, "CAT:") === 0) {
 241                         $feed_id = (int)substr($feed_id, 4);
 242                         array_push($feeds_fmt, Feeds::getCategoryTitle($feed_id));
 243                     } else {
 244                         if ($feed_id)
 245                             array_push($feeds_fmt, Feeds::getFeedTitle((int)$feed_id));
 246                         else
 247                             array_push($feeds_fmt, __("All feeds"));
 248                     }
 249                 }
 250
 251                 $where = implode(", ", $feeds_fmt);
 252
 253             } else {
 254
 255                 $where = sql_bool_to_bool($line["cat_filter"]) ?
 256                     Feeds::getCategoryTitle($line["cat_id"]) :
 257                     ($line["feed_id"] ?
 258                         Feeds::getFeedTitle($line["feed_id"]) : __("All feeds"));
 259             }
 260
 261 #                       $where = $line["cat_id"] . "/" . $line["feed_id"];
 262
 263                         $inverse = sql_bool_to_bool($line["inverse"]) ? "inverse" : "";
 264
 265                         $rv .= "<span class='$inverse'>" . T_sprintf("%s on %s in %s %s",
 266                                 htmlspecialchars($line["reg_exp"]),
 267                                 $line["field"],
 268                                 $where,
 269                                 sql_bool_to_bool($line["inverse"]) ? __("(inverse)") : "") . "</span>";
 270                 }
 271
 272                 return $rv;
 273         }
 274
 275         function getfiltertree() {
 276                 $root = array();
 277                 $root['id'] = 'root';
 278                 $root['name'] = __('Filters');
 279                 $root['items'] = array();
 280
 281                 $filter_search = $_SESSION["prefs_filter_search"];
 282
 283                 $sth = $this->pdo->prepare("SELECT *,
 284                         (SELECT action_param FROM ttrss_filters2_actions
 285                                 WHERE filter_id = ttrss_filters2.id ORDER BY id LIMIT 1) AS action_param,
 286                         (SELECT action_id FROM ttrss_filters2_actions
 287                                 WHERE filter_id = ttrss_filters2.id ORDER BY id LIMIT 1) AS action_id,
 288                         (SELECT description FROM ttrss_filter_actions
 289                                 WHERE id = (SELECT action_id FROM ttrss_filters2_actions
 290                                         WHERE filter_id = ttrss_filters2.id ORDER BY id LIMIT 1)) AS action_name,
 291                         (SELECT reg_exp FROM ttrss_filters2_rules
 292                                 WHERE filter_id = ttrss_filters2.id ORDER BY id LIMIT 1) AS reg_exp
 293                         FROM ttrss_filters2 WHERE
 294                         owner_uid = ? ORDER BY order_id, title");
 295                 $sth->execute([$_SESSION['uid']]);
 296
 297                 $folder = array();
 298                 $folder['items'] = array();
 299
 300                 while ($line = $sth->fetch()) {
 301
 302                         $name = $this->getFilterName($line["id"]);
 303
 304                         $match_ok = false;
 305                         if ($filter_search) {
 306                                 $rules_sth = $this->pdo->prepare("SELECT reg_exp
 307                                         FROM ttrss_filters2_rules WHERE filter_id = ?");
 308                                 $rules_sth->execute([$line['id']]);
 309
 310                                 while ($rule_line = $rules_sth->fetch()) {
 311                                         if (mb_strpos($rule_line['reg_exp'], $filter_search) !== false) {
 312                                                 $match_ok = true;
 313                                                 break;
 314                                         }
 315                                 }
 316                         }
 317
 318                         if ($line['action_id'] == 7) {
 319                                 $label_sth = $this->pdo->prepare("SELECT fg_color, bg_color
 320                                         FROM ttrss_labels2 WHERE caption = ? AND
 321                                                 owner_uid = ?");
 322                                 $label_sth->execute([$line['action_param'], $_SESSION['uid']]);
 323
 324                                 if ($label_row = $label_sth->fetch()) {
 325                                         $fg_color = $label_row["fg_color"];
 326                                         $bg_color = $label_row["bg_color"];
 327
 328                                         $name[1] = "<span class=\"labelColorIndicator\" id=\"label-editor-indicator\" style='color : $fg_color; background-color : $bg_color; margin-right : 4px'>&alpha;</span>" . $name[1];
 329                                 }
 330                         }
 331
 332                         $filter = array();
 333                         $filter['id'] = 'FILTER:' . $line['id'];
 334                         $filter['bare_id'] = $line['id'];
 335                         $filter['name'] = $name[0];
 336                         $filter['param'] = $name[1];
 337                         $filter['checkbox'] = false;
 338                         $filter['enabled'] = sql_bool_to_bool($line["enabled"]);
 339                         $filter['rules'] = $this->getfilterrules_concise($line['id']);
 340
 341                         if (!$filter_search || $match_ok) {
 342                                 array_push($folder['items'], $filter);
 343                         }
 344                 }
 345
 346                 $root['items'] = $folder['items'];
 347
 348                 $fl = array();
 349                 $fl['identifier'] = 'id';
 350                 $fl['label'] = 'name';
 351                 $fl['items'] = array($root);
 352
 353                 print json_encode($fl);
 354                 return;
 355         }
 356
 357         function edit() {
 358
 359                 $filter_id = $_REQUEST["id"];
 360
 361                 $sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2
 362                         WHERE id = ? AND owner_uid = ?");
 363                 $sth->execute([$filter_id, $_SESSION['uid']]);
 364
 365                 if ($row = $sth->fetch()) {
 366
 367                         $enabled = sql_bool_to_bool($row["enabled"]);
 368                         $match_any_rule = sql_bool_to_bool($row["match_any_rule"]);
 369                         $inverse = sql_bool_to_bool($row["inverse"]);
 370                         $title = htmlspecialchars($row["title"]);
 371
 372                         print "<form id=\"filter_edit_form\" onsubmit='return false'>";
 373
 374                         print_hidden("op", "pref-filters");
 375                         print_hidden("id", "$filter_id");
 376                         print_hidden("method", "editSave");
 377                         print_hidden("csrf_token", $_SESSION['csrf_token']);
 378
 379                         print "<div class=\"dlgSec\">".__("Caption")."</div>";
 380
 381                         print "<input required=\"true\" dojoType=\"dijit.form.ValidationTextBox\" style=\"width : 20em;\" name=\"title\" value=\"$title\">";
 382
 383                         print "</div>";
 384
 385                         print "<div class=\"dlgSec\">".__("Match")."</div>";
 386
 387                         print "<div dojoType=\"dijit.Toolbar\">";
 388
 389                         print "<div dojoType=\"dijit.form.DropDownButton\">".
 390                                 "<span>" . __('Select')."</span>";
 391                         print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
 392                         print "<div onclick=\"dijit.byId('filterEditDlg').selectRules(true)\"
 393                         dojoType=\"dijit.MenuItem\">".__('All')."</div>";
 394                         print "<div onclick=\"dijit.byId('filterEditDlg').selectRules(false)\"
 395                         dojoType=\"dijit.MenuItem\">".__('None')."</div>";
 396                         print "</div></div>";
 397
 398                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').addRule()\">".
 399                                 __('Add')."</button> ";
 400
 401                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').deleteRule()\">".
 402                                 __('Delete')."</button> ";
 403
 404                         print "</div>";
 405
 406                         print "<ul id='filterDlg_Matches'>";
 407
 408                         $rules_sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2_rules
 409                                   WHERE filter_id = ? ORDER BY reg_exp, id");
 410                         $rules_sth->execute([$filter_id]);
 411
 412                         while ($line = $rules_sth->fetch()) {
 413                                 if ($line["match_on"]) {
 414                                         $line["feed_id"] = json_decode($line["match_on"], true);
 415                                 } else {
 416                                         if (sql_bool_to_bool($line["cat_filter"])) {
 417                                                 $feed_id = "CAT:" . (int)$line["cat_id"];
 418                                         } else {
 419                                                 $feed_id = (int)$line["feed_id"];
 420                                         }
 421
 422                                         $line["feed_id"] = ["" . $feed_id]; // set item type to string for in_array()
 423                                 }
 424
 425                                 unset($line["cat_filter"]);
 426                                 unset($line["cat_id"]);
 427                                 unset($line["filter_id"]);
 428                                 unset($line["id"]);
 429                                 if (!sql_bool_to_bool($line["inverse"])) unset($line["inverse"]);
 430                                 unset($line["match_on"]);
 431
 432                                 $data = htmlspecialchars(json_encode($line));
 433
 434                                 print "<li><input dojoType='dijit.form.CheckBox' type='checkbox' onclick='toggleSelectListRow2(this)'>".
 435                                         "<span onclick=\"dijit.byId('filterEditDlg').editRule(this)\">".$this->getRuleName($line)."</span>".
 436                                         "<input type='hidden' name='rule[]' value=\"$data\"/></li>";
 437                         }
 438
 439                         print "</ul>";
 440
 441                         print "</div>";
 442
 443                         print "<div class=\"dlgSec\">".__("Apply actions")."</div>";
 444
 445                         print "<div dojoType=\"dijit.Toolbar\">";
 446
 447                         print "<div dojoType=\"dijit.form.DropDownButton\">".
 448                                 "<span>" . __('Select')."</span>";
 449                         print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
 450                         print "<div onclick=\"dijit.byId('filterEditDlg').selectActions(true)\"
 451                         dojoType=\"dijit.MenuItem\">".__('All')."</div>";
 452                         print "<div onclick=\"dijit.byId('filterEditDlg').selectActions(false)\"
 453                         dojoType=\"dijit.MenuItem\">".__('None')."</div>";
 454                         print "</div></div>";
 455
 456                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').addAction()\">".
 457                                 __('Add')."</button> ";
 458
 459                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').deleteAction()\">".
 460                                 __('Delete')."</button> ";
 461
 462                         print "</div>";
 463
 464                         print "<ul id='filterDlg_Actions'>";
 465
 466                         $actions_sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2_actions
 467                                 WHERE filter_id = ? ORDER BY id");
 468                         $actions_sth->execute([$filter_id]);
 469
 470                         while ($line = $actions_sth->fetch()) {
 471                                 $line["action_param_label"] = $line["action_param"];
 472
 473                                 unset($line["filter_id"]);
 474                                 unset($line["id"]);
 475
 476                                 $data = htmlspecialchars(json_encode($line));
 477
 478                                 print "<li><input dojoType='dijit.form.CheckBox' type='checkbox' onclick='toggleSelectListRow2(this)'>".
 479                                         "<span onclick=\"dijit.byId('filterEditDlg').editAction(this)\">".$this->getActionName($line)."</span>".
 480                                         "<input type='hidden' name='action[]' value=\"$data\"/></li>";
 481                         }
 482
 483                         print "</ul>";
 484
 485                         print "</div>";
 486
 487                         if ($enabled) {
 488                                 $checked = "checked=\"1\"";
 489                         } else {
 490                                 $checked = "";
 491                         }
 492
 493                         print "<input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"enabled\" id=\"enabled\" $checked>
 494                                 <label for=\"enabled\">".__('Enabled')."</label>";
 495
 496                         if ($match_any_rule) {
 497                                 $checked = "checked=\"1\"";
 498                         } else {
 499                                 $checked = "";
 500                         }
 501
 502                         print "<br/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"match_any_rule\" id=\"match_any_rule\" $checked>
 503                                 <label for=\"match_any_rule\">".__('Match any rule')."</label>";
 504
 505                         if ($inverse) {
 506                                 $checked = "checked=\"1\"";
 507                         } else {
 508                                 $checked = "";
 509                         }
 510
 511                         print "<br/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"inverse\" id=\"inverse\" $checked>
 512                                 <label for=\"inverse\">".__('Inverse matching')."</label>";
 513
 514                         print "<p/>";
 515
 516                         print "<div class=\"dlgButtons\">";
 517
 518                         print "<div style=\"float : left\">";
 519                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').removeFilter()\">".
 520                                 __('Remove')."</button>";
 521                         print "</div>";
 522
 523                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').test()\">".
 524                                 __('Test')."</button> ";
 525
 526                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').execute()\">".
 527                                 __('Save')."</button> ";
 528
 529                         print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').hide()\">".
 530                                 __('Cancel')."</button>";
 531
 532                         print "</div>";
 533
 534                 }
 535         }
 536
 537         private function getRuleName($rule) {
 538                 if (!$rule) $rule = json_decode($_REQUEST["rule"], true);
 539
 540                 $feeds = $rule["feed_id"];
 541                 $feeds_fmt = [];
 542
 543                 if (!is_array($feeds)) $feeds = [$feeds];
 544
 545                 foreach ($feeds as $feed_id) {
 546
 547             if (strpos($feed_id, "CAT:") === 0) {
 548                 $feed_id = (int)substr($feed_id, 4);
 549                 array_push($feeds_fmt, Feeds::getCategoryTitle($feed_id));
 550             } else {
 551                 if ($feed_id)
 552                     array_push($feeds_fmt, Feeds::getFeedTitle((int)$feed_id));
 553                 else
 554                     array_push($feeds_fmt, __("All feeds"));
 555             }
 556         }
 557
 558         $feed = implode(", ", $feeds_fmt);
 559
 560                 $sth = $this->pdo->prepare("SELECT description FROM ttrss_filter_types
 561                         WHERE id = ?");
 562                 $sth->execute([(int)$rule["filter_type"]]);
 563
 564                 if ($row = $sth->fetch()) {
 565                         $filter_type = $row["description"];
 566                 } else {
 567                         $filter_type = "?UNKNOWN?";
 568                 }
 569
 570                 $inverse = isset($rule["inverse"]) ? "inverse" : "";
 571
 572                 return "<span class='filterRule $inverse'>" .
 573                         T_sprintf("%s on %s in %s %s", htmlspecialchars($rule["reg_exp"]),
 574                         $filter_type, $feed, isset($rule["inverse"]) ? __("(inverse)") : "") . "</span>";
 575         }
 576
 577         function printRuleName() {
 578                 print $this->getRuleName(json_decode($_REQUEST["rule"], true));
 579         }
 580
 581         private function getActionName($action) {
 582                 $sth = $this->pdo->prepare("SELECT description FROM
 583                         ttrss_filter_actions WHERE id = ?");
 584                 $sth->execute([(int)$action["action_id"]]);
 585
 586                 $title = "";
 587
 588                 if ($row = $sth->fetch()) {
 589
 590                         $title = __($row["description"]);
 591
 592                         if ($action["action_id"] == 4 || $action["action_id"] == 6 ||
 593                                 $action["action_id"] == 7)
 594                                 $title .= ": " . $action["action_param"];
 595
 596                         if ($action["action_id"] == 9) {
 597                                 list ($pfclass, $pfaction) = explode(":", $action["action_param"]);
 598
 599                                 $filter_actions = PluginHost::getInstance()->get_filter_actions();
 600
 601                                 foreach ($filter_actions as $fclass => $factions) {
 602                                         foreach ($factions as $faction) {
 603                                                 if ($pfaction == $faction["action"] && $pfclass == $fclass) {
 604                                                         $title .= ": " . $fclass . ": " . $faction["description"];
 605                                                         break;
 606                                                 }
 607                                         }
 608                                 }
 609                         }
 610                 }
 611
 612                 return $title;
 613         }
 614
 615         function printActionName() {
 616                 print $this->getActionName(json_decode($_REQUEST["action"], true));
 617         }
 618
 619         function editSave() {
 620                 if ($_REQUEST["savemode"] && $_REQUEST["savemode"] == "test") {
 621                         return $this->testFilter();
 622                 }
 623
 624                 $filter_id = $_REQUEST["id"];
 625                 $enabled = checkbox_to_sql_bool($_REQUEST["enabled"]);
 626                 $match_any_rule = checkbox_to_sql_bool($_REQUEST["match_any_rule"]);
 627                 $inverse = checkbox_to_sql_bool($_REQUEST["inverse"]);
 628                 $title = $_REQUEST["title"];
 629
 630                 $this->pdo->beginTransaction();
 631
 632                 $sth = $this->pdo->prepare("UPDATE ttrss_filters2 SET enabled = ?,
 633                         match_any_rule = ?,
 634                         inverse = ?,
 635                         title = ?
 636                         WHERE id = ? AND owner_uid = ?");
 637
 638                 $sth->execute([$enabled, $match_any_rule, $inverse, $title, $filter_id, $_SESSION['uid']]);
 639
 640                 $this->saveRulesAndActions($filter_id);
 641
 642                 $this->pdo->commit();
 643         }
 644
 645         function remove() {
 646
 647                 $ids = explode(",", $_REQUEST["ids"]);
 648                 $ids_qmarks = arr_qmarks($ids);
 649
 650                 $sth = $this->pdo->prepare("DELETE FROM ttrss_filters2 WHERE id IN ($ids_qmarks)
 651                         AND owner_uid = ?");
 652                 $sth->execute(array_merge($ids, [$_SESSION['uid']]));
 653         }
 654
 655         private function saveRulesAndActions($filter_id)
 656         {
 657
 658                 $sth = $this->pdo->prepare("DELETE FROM ttrss_filters2_rules WHERE filter_id = ?");
 659                 $sth->execute([$filter_id]);
 660
 661                 $sth = $this->pdo->prepare("DELETE FROM ttrss_filters2_actions WHERE filter_id = ?");
 662                 $sth->execute([$filter_id]);
 663
 664                 if (!is_array($_REQUEST["rule"])) $_REQUEST["rule"] = [];
 665                 if (!is_array($_REQUEST["action"])) $_REQUEST["action"] = [];
 666
 667                 if ($filter_id) {
 668                         /* create rules */
 669
 670                         $rules = array();
 671                         $actions = array();
 672
 673                         foreach ($_REQUEST["rule"] as $rule) {
 674                                 $rule = json_decode($rule, true);
 675                                 unset($rule["id"]);
 676
 677                                 if (array_search($rule, $rules) === false) {
 678                                         array_push($rules, $rule);
 679                                 }
 680                         }
 681
 682                         foreach ($_REQUEST["action"] as $action) {
 683                                 $action = json_decode($action, true);
 684                                 unset($action["id"]);
 685
 686                                 if (array_search($action, $actions) === false) {
 687                                         array_push($actions, $action);
 688                                 }
 689                         }
 690
 691                         $rsth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules
 692                                                 (filter_id, reg_exp,filter_type,feed_id,cat_id,match_on,inverse) VALUES
 693                                                 (?, ?, ?, NULL, NULL, ?, ?)");
 694
 695                         foreach ($rules as $rule) {
 696                                 if ($rule) {
 697
 698                                         $reg_exp = trim($rule["reg_exp"]);
 699                                         $inverse = isset($rule["inverse"]) ? 1 : 0;
 700
 701                                         $filter_type = (int)trim($rule["filter_type"]);
 702                                         $match_on = json_encode($rule["feed_id"]);
 703
 704                                         $rsth->execute([$filter_id, $reg_exp, $filter_type, $match_on, $inverse]);
 705                                 }
 706                         }
 707
 708                         $asth = $this->pdo->prepare("INSERT INTO ttrss_filters2_actions
 709                                                 (filter_id, action_id, action_param) VALUES
 710                                                 (?, ?, ?)");
 711
 712                         foreach ($actions as $action) {
 713                                 if ($action) {
 714
 715                                         $action_id = (int)$action["action_id"];
 716                                         $action_param = $action["action_param"];
 717                                         $action_param_label = $action["action_param_label"];
 718
 719                                         if ($action_id == 7) {
 720                                                 $action_param = $action_param_label;
 721                                         }
 722
 723                                         if ($action_id == 6) {
 724                                                 $action_param = (int)str_replace("+", "", $action_param);
 725                                         }
 726
 727                                         $asth->execute([$filter_id, $action_id, $action_param]);
 728                                 }
 729                         }
 730                 }
 731         }
 732
 733         function add() {
 734                 if ($_REQUEST["savemode"] && $_REQUEST["savemode"] == "test") {
 735                         return $this->testFilter();
 736                 }
 737
 738                 $enabled = checkbox_to_sql_bool($_REQUEST["enabled"]);
 739                 $match_any_rule = checkbox_to_sql_bool($_REQUEST["match_any_rule"]);
 740                 $title = $_REQUEST["title"];
 741                 $inverse = checkbox_to_sql_bool($_REQUEST["inverse"]);
 742
 743                 $this->pdo->beginTransaction();
 744
 745                 /* create base filter */
 746
 747                 $sth = $this->pdo->prepare("INSERT INTO ttrss_filters2
 748                         (owner_uid, match_any_rule, enabled, title, inverse) VALUES
 749                         (?, ?, ?, ?, ?)");
 750
 751                 $sth->execute([$_SESSION['uid'], $match_any_rule, $enabled, $title, $inverse]);
 752
 753                 $sth = $this->pdo->prepare("SELECT MAX(id) AS id FROM ttrss_filters2
 754                         WHERE owner_uid = ?");
 755                 $sth->execute([$_SESSION['uid']]);
 756
 757                 if ($row = $sth->fetch()) {
 758                         $filter_id = $row['id'];
 759                         $this->saveRulesAndActions($filter_id);
 760                 }
 761
 762                 $this->pdo->commit();
 763         }
 764
 765         function index() {
 766
 767                 $sort = $_REQUEST["sort"];
 768
 769                 if (!$sort || $sort == "undefined") {
 770                         $sort = "reg_exp";
 771                 }
 772
 773                 $filter_search = $_REQUEST["search"];
 774
 775                 if (array_key_exists("search", $_REQUEST)) {
 776                         $_SESSION["prefs_filter_search"] = $filter_search;
 777                 } else {
 778                         $filter_search = $_SESSION["prefs_filter_search"];
 779                 }
 780
 781                 print "<div id=\"pref-filter-wrap\" dojoType=\"dijit.layout.BorderContainer\" gutters=\"false\">";
 782                 print "<div id=\"pref-filter-header\" dojoType=\"dijit.layout.ContentPane\" region=\"top\">";
 783                 print "<div id=\"pref-filter-toolbar\" dojoType=\"dijit.Toolbar\">";
 784
 785                 $filter_search = $_REQUEST["search"];
 786
 787                 if (array_key_exists("search", $_REQUEST)) {
 788                         $_SESSION["prefs_filter_search"] = $filter_search;
 789                 } else {
 790                         $filter_search = $_SESSION["prefs_filter_search"];
 791                 }
 792
 793                 print "<div style='float : right; padding-right : 4px;'>
 794                         <input dojoType=\"dijit.form.TextBox\" id=\"filter_search\" size=\"20\" type=\"search\"
 795                                 value=\"$filter_search\">
 796                         <button dojoType=\"dijit.form.Button\" onclick=\"updateFilterList()\">".
 797                                 __('Search')."</button>
 798                         </div>";
 799
 800                 print "<div dojoType=\"dijit.form.DropDownButton\">".
 801                                 "<span>" . __('Select')."</span>";
 802                 print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
 803                 print "<div onclick=\"dijit.byId('filterTree').model.setAllChecked(true)\"
 804                         dojoType=\"dijit.MenuItem\">".__('All')."</div>";
 805                 print "<div onclick=\"dijit.byId('filterTree').model.setAllChecked(false)\"
 806                         dojoType=\"dijit.MenuItem\">".__('None')."</div>";
 807                 print "</div></div>";
 808
 809                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return quickAddFilter()\">".
 810                         __('Create filter')."</button> ";
 811
 812                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return joinSelectedFilters()\">".
 813                         __('Combine')."</button> ";
 814
 815                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return editSelectedFilter()\">".
 816                         __('Edit')."</button> ";
 817
 818                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return resetFilterOrder()\">".
 819                         __('Reset sort order')."</button> ";
 820
 821
 822                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return removeSelectedFilters()\">".
 823                         __('Remove')."</button> ";
 824
 825                 print "</div>"; # toolbar
 826                 print "</div>"; # toolbar-frame
 827                 print "<div id=\"pref-filter-content\" dojoType=\"dijit.layout.ContentPane\" region=\"center\">";
 828
 829                 print "<div id=\"filterlistLoading\">
 830                 <img src='images/indicator_tiny.gif'>".
 831                  __("Loading, please wait...")."</div>";
 832
 833                 print "<div dojoType=\"fox.PrefFilterStore\" jsId=\"filterStore\"
 834                         url=\"backend.php?op=pref-filters&method=getfiltertree\">
 835                 </div>
 836                 <div dojoType=\"lib.CheckBoxStoreModel\" jsId=\"filterModel\" store=\"filterStore\"
 837                         query=\"{id:'root'}\" rootId=\"root\" rootLabel=\"Filters\"
 838                         childrenAttrs=\"items\" checkboxStrict=\"false\" checkboxAll=\"false\">
 839                 </div>
 840                 <div dojoType=\"fox.PrefFilterTree\" id=\"filterTree\"
 841                         dndController=\"dijit.tree.dndSource\"
 842                         betweenThreshold=\"5\"
 843                         model=\"filterModel\" openOnClick=\"true\">
 844                 <script type=\"dojo/method\" event=\"onLoad\" args=\"item\">
 845                         Element.hide(\"filterlistLoading\");
 846                 </script>
 847                 <script type=\"dojo/method\" event=\"onClick\" args=\"item\">
 848                         var id = String(item.id);
 849                         var bare_id = id.substr(id.indexOf(':')+1);
 850
 851                         if (id.match('FILTER:')) {
 852                                 editFilter(bare_id);
 853                         }
 854                 </script>
 855
 856                 </div>";
 857
 858                 print "</div>"; #pane
 859
 860                 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_PREFS_TAB,
 861                         "hook_prefs_tab", "prefFilters");
 862
 863                 print "</div>"; #container
 864
 865         }
 866
 867         function newfilter() {
 868
 869                 print "<form name='filter_new_form' id='filter_new_form'>";
 870
 871                 print_hidden("op", "pref-filters");
 872                 print_hidden("method", "add");
 873                 print_hidden("csrf_token", $_SESSION['csrf_token']);
 874
 875                 print "<div class=\"dlgSec\">".__("Caption")."</div>";
 876
 877                 print "<input required=\"true\" dojoType=\"dijit.form.ValidationTextBox\" style=\"width : 20em;\" name=\"title\" value=\"\">";
 878
 879                 print "<div class=\"dlgSec\">".__("Match")."</div>";
 880
 881                 print "<div dojoType=\"dijit.Toolbar\">";
 882
 883                 print "<div dojoType=\"dijit.form.DropDownButton\">".
 884                                 "<span>" . __('Select')."</span>";
 885                 print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
 886                 print "<div onclick=\"dijit.byId('filterEditDlg').selectRules(true)\"
 887                         dojoType=\"dijit.MenuItem\">".__('All')."</div>";
 888                 print "<div onclick=\"dijit.byId('filterEditDlg').selectRules(false)\"
 889                         dojoType=\"dijit.MenuItem\">".__('None')."</div>";
 890                 print "</div></div>";
 891
 892                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').addRule()\">".
 893                         __('Add')."</button> ";
 894
 895                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').deleteRule()\">".
 896                         __('Delete')."</button> ";
 897
 898                 print "</div>";
 899
 900                 print "<ul id='filterDlg_Matches'>";
 901 #               print "<li>No rules</li>";
 902                 print "</ul>";
 903
 904                 print "</div>";
 905
 906                 print "<div class=\"dlgSec\">".__("Apply actions")."</div>";
 907
 908                 print "<div dojoType=\"dijit.Toolbar\">";
 909
 910                 print "<div dojoType=\"dijit.form.DropDownButton\">".
 911                                 "<span>" . __('Select')."</span>";
 912                 print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
 913                 print "<div onclick=\"dijit.byId('filterEditDlg').selectActions(true)\"
 914                         dojoType=\"dijit.MenuItem\">".__('All')."</div>";
 915                 print "<div onclick=\"dijit.byId('filterEditDlg').selectActions(false)\"
 916                         dojoType=\"dijit.MenuItem\">".__('None')."</div>";
 917                 print "</div></div>";
 918
 919                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').addAction()\">".
 920                         __('Add')."</button> ";
 921
 922                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').deleteAction()\">".
 923                         __('Delete')."</button> ";
 924
 925                 print "</div>";
 926
 927                 print "<ul id='filterDlg_Actions'>";
 928 #               print "<li>No actions</li>";
 929                 print "</ul>";
 930
 931 /*              print "<div class=\"dlgSec\">".__("Options")."</div>";
 932                 print "<div class=\"dlgSecCont\">"; */
 933
 934                 print "<input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"enabled\" id=\"enabled\" checked=\"1\">
 935                                 <label for=\"enabled\">".__('Enabled')."</label>";
 936
 937                 print "<br/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"match_any_rule\" id=\"match_any_rule\">
 938                                 <label for=\"match_any_rule\">".__('Match any rule')."</label>";
 939
 940                 print "<br/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"inverse\" id=\"inverse\">
 941                                 <label for=\"inverse\">".__('Inverse matching')."</label>";
 942
 943 //              print "</div>";
 944
 945                 print "<div class=\"dlgButtons\">";
 946
 947                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').test()\">".
 948                         __('Test')."</button> ";
 949
 950                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').execute()\">".
 951                         __('Create')."</button> ";
 952
 953                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterEditDlg').hide()\">".
 954                         __('Cancel')."</button>";
 955
 956                 print "</div>";
 957
 958         }
 959
 960         function newrule() {
 961                 $rule = json_decode($_REQUEST["rule"], true);
 962
 963                 if ($rule) {
 964                         $reg_exp = htmlspecialchars($rule["reg_exp"]);
 965                         $filter_type = $rule["filter_type"];
 966                         $feed_id = $rule["feed_id"];
 967                         $inverse_checked = isset($rule["inverse"]) ? "checked" : "";
 968                 } else {
 969                         $reg_exp = "";
 970                         $filter_type = 1;
 971                         $feed_id = ["0"];
 972                         $inverse_checked = "";
 973                 }
 974
 975                 print "<form name='filter_new_rule_form' id='filter_new_rule_form'>";
 976
 977                 $res = $this->pdo->query("SELECT id,description
 978                         FROM ttrss_filter_types WHERE id != 5 ORDER BY description");
 979
 980                 $filter_types = array();
 981
 982                 while ($line = $res->fetch()) {
 983                         $filter_types[$line["id"]] = __($line["description"]);
 984                 }
 985
 986                 print "<div class=\"dlgSec\">".__("Match")."</div>";
 987
 988                 print "<div class=\"dlgSecCont\">";
 989
 990                 print "<input dojoType=\"dijit.form.ValidationTextBox\"
 991                          required=\"true\" id=\"filterDlg_regExp\"
 992                          style=\"font-size : 16px; width : 20em;\"
 993                          name=\"reg_exp\" value=\"$reg_exp\"/>";
 994
 995                 print "<hr/>";
 996                 print "<input id=\"filterDlg_inverse\" dojoType=\"dijit.form.CheckBox\"
 997                          name=\"inverse\" $inverse_checked/>";
 998                 print "<label for=\"filterDlg_inverse\">".__("Inverse regular expression matching")."</label>";
 999
1000                 print "<hr/>" .  __("on field") . " ";
1001                 print_select_hash("filter_type", $filter_type, $filter_types,
1002                         'dojoType="dijit.form.Select"');
1003
1004                 print "<hr/>";
1005
1006                 print __("in") . " ";
1007
1008                 print "<span id='filterDlg_feeds'>";
1009                 print_feed_multi_select("feed_id",
1010                         $feed_id,
1011                         'dojoType="dijit.form.MultiSelect"');
1012                 print "</span>";
1013
1014                 print "</div>";
1015
1016                 print "<div class=\"dlgButtons\">";
1017
1018                 print "<div style=\"float : left\">
1019                         <a class=\"visibleLink\" target=\"_blank\" href=\"http://tt-rss.org/wiki/ContentFilters\">".__("Wiki: Filters")."</a>
1020                 </div>";
1021
1022
1023                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterNewRuleDlg').execute()\">".
1024                         ($rule ? __("Save rule") : __('Add rule'))."</button> ";
1025
1026                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterNewRuleDlg').hide()\">".
1027                         __('Cancel')."</button>";
1028
1029                 print "</div>";
1030
1031                 print "</form>";
1032         }
1033
1034         function newaction() {
1035                 $action = json_decode($_REQUEST["action"], true);
1036
1037                 if ($action) {
1038                         $action_param = $action["action_param"];
1039                         $action_id = (int)$action["action_id"];
1040                 } else {
1041                         $action_param = "";
1042                         $action_id = 0;
1043                 }
1044
1045                 print "<form name='filter_new_action_form' id='filter_new_action_form'>";
1046
1047                 print "<div class=\"dlgSec\">".__("Perform Action")."</div>";
1048
1049                 print "<div class=\"dlgSecCont\">";
1050
1051                 print "<select name=\"action_id\" dojoType=\"dijit.form.Select\"
1052                         onchange=\"filterDlgCheckAction(this)\">";
1053
1054                 $res = $this->pdo->query("SELECT id,description FROM ttrss_filter_actions
1055                         ORDER BY name");
1056
1057                 while ($line = $res->fetch()) {
1058                         $is_selected = ($line["id"] == $action_id) ? "selected='1'" : "";
1059                         printf("<option $is_selected value='%d'>%s</option>", $line["id"], __($line["description"]));
1060                 }
1061
1062                 print "</select>";
1063
1064                 $param_box_hidden = ($action_id == 7 || $action_id == 4 || $action_id == 6 || $action_id == 9) ?
1065                         "" : "display : none";
1066
1067                 $param_hidden = ($action_id == 4 || $action_id == 6) ?
1068                         "" : "display : none";
1069
1070                 $label_param_hidden = ($action_id == 7) ?       "" : "display : none";
1071                 $plugin_param_hidden = ($action_id == 9) ?      "" : "display : none";
1072
1073                 print "<span id=\"filterDlg_paramBox\" style=\"$param_box_hidden\">";
1074                 print " ";
1075                 //print " " . __("with parameters:") . " ";
1076                 print "<input dojoType=\"dijit.form.TextBox\"
1077                         id=\"filterDlg_actionParam\" style=\"$param_hidden\"
1078                         name=\"action_param\" value=\"$action_param\">";
1079
1080                 print_label_select("action_param_label", $action_param,
1081                         "id=\"filterDlg_actionParamLabel\" style=\"$label_param_hidden\"
1082                         dojoType=\"dijit.form.Select\"");
1083
1084                 $filter_actions = PluginHost::getInstance()->get_filter_actions();
1085                 $filter_action_hash = array();
1086
1087                 foreach ($filter_actions as $fclass => $factions) {
1088                         foreach ($factions as $faction) {
1089
1090                                 $filter_action_hash[$fclass . ":" . $faction["action"]] =
1091                                         $fclass . ": " . $faction["description"];
1092                         }
1093                 }
1094
1095                 if (count($filter_action_hash) == 0) {
1096                         $filter_plugin_disabled = "disabled";
1097
1098                         $filter_action_hash["no-data"] = __("No actions available");
1099
1100                 } else {
1101                         $filter_plugin_disabled = "";
1102                 }
1103
1104                 print_select_hash("filterDlg_actionParamPlugin", $action_param, $filter_action_hash,
1105                         "style=\"$plugin_param_hidden\" dojoType=\"dijit.form.Select\" $filter_plugin_disabled",
1106                         "action_param_plugin");
1107
1108                 print "</span>";
1109
1110                 print "&nbsp;"; // tiny layout hack
1111
1112                 print "</div>";
1113
1114                 print "<div class=\"dlgButtons\">";
1115
1116                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterNewActionDlg').execute()\">".
1117                         ($action ? __("Save action") : __('Add action'))."</button> ";
1118
1119                 print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('filterNewActionDlg').hide()\">".
1120                         __('Cancel')."</button>";
1121
1122                 print "</div>";
1123
1124                 print "</form>";
1125         }
1126
1127         private function getFilterName($id) {
1128
1129                 $sth = $this->pdo->prepare(
1130                         "SELECT title,match_any_rule,COUNT(DISTINCT r.id) AS num_rules,COUNT(DISTINCT a.id) AS num_actions
1131                                 FROM ttrss_filters2 AS f LEFT JOIN ttrss_filters2_rules AS r
1132                                         ON (r.filter_id = f.id)
1133                                                 LEFT JOIN ttrss_filters2_actions AS a
1134                                                         ON (a.filter_id = f.id) WHERE f.id = ? GROUP BY f.title, f.match_any_rule");
1135                 $sth->execute([$id]);
1136
1137                 if ($row = $sth->fetch()) {
1138
1139                         $title = $row["title"];
1140                         $num_rules = $row["num_rules"];
1141                         $num_actions = $row["num_actions"];
1142                         $match_any_rule = sql_bool_to_bool($row["match_any_rule"]);
1143
1144                         if (!$title) $title = __("[No caption]");
1145
1146                         $title = sprintf(_ngettext("%s (%d rule)", "%s (%d rules)", (int) $num_rules), $title, $num_rules);
1147
1148                         $sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2_actions
1149                                 WHERE filter_id = ? ORDER BY id LIMIT 1");
1150                         $sth->execute([$id]);
1151
1152                         $actions = "";
1153
1154                         if ($line = $sth->fetch()) {
1155                                 $actions = $this->getActionName($line);
1156
1157                                 $num_actions -= 1;
1158                         }
1159
1160                         if ($match_any_rule) $title .= " (" . __("matches any rule") . ")";
1161
1162                         if ($num_actions > 0)
1163                                 $actions = sprintf(_ngettext("%s (+%d action)", "%s (+%d actions)", (int) $num_actions), $actions, $num_actions);
1164
1165                         return [$title, $actions];
1166                 }
1167
1168                 return [];
1169         }
1170
1171         function join() {
1172                 $ids = explode(",", $_REQUEST["ids"]);
1173
1174                 if (count($ids) > 1) {
1175                         $base_id = array_shift($ids);
1176                         $ids_qmarks = arr_qmarks($ids);
1177
1178                         $this->pdo->beginTransaction();
1179
1180                         $sth = $this->pdo->prepare("UPDATE ttrss_filters2_rules
1181                                 SET filter_id = ? WHERE filter_id IN ($ids_qmarks)");
1182                         $sth->execute(array_merge([$base_id], $ids));
1183
1184                         $sth = $this->pdo->prepare("UPDATE ttrss_filters2_actions
1185                                 SET filter_id = ? WHERE filter_id IN ($ids_qmarks)");
1186                         $sth->execute(array_merge([$base_id], $ids));
1187
1188                         $sth = $this->pdo->prepare("DELETE FROM ttrss_filters2 WHERE id IN ($ids_qmarks)");
1189                         $sth->execute($ids);
1190
1191                         $sth = $this->pdo->prepare("UPDATE ttrss_filters2 SET match_any_rule = true WHERE id = ?");
1192                         $sth->execute([$base_id]);
1193
1194                         $this->pdo->commit();
1195
1196                         $this->optimizeFilter($base_id);
1197
1198                 }
1199         }
1200
1201         private function optimizeFilter($id) {
1202
1203                 $this->pdo->beginTransaction();
1204
1205                 $sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2_actions
1206                         WHERE filter_id = ?");
1207                 $sth->execute([$id]);
1208
1209                 $tmp = array();
1210                 $dupe_ids = array();
1211
1212                 while ($line = $sth->fetch()) {
1213                         $id = $line["id"];
1214                         unset($line["id"]);
1215
1216                         if (array_search($line, $tmp) === false) {
1217                                 array_push($tmp, $line);
1218                         } else {
1219                                 array_push($dupe_ids, $id);
1220                         }
1221                 }
1222
1223                 if (count($dupe_ids) > 0) {
1224                         $ids_str = join(",", $dupe_ids);
1225
1226                         $this->pdo->query("DELETE FROM ttrss_filters2_actions WHERE id IN ($ids_str)");
1227                 }
1228
1229                 $sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2_rules
1230                         WHERE filter_id = ?");
1231                 $sth->execute([$id]);
1232
1233                 $tmp = array();
1234                 $dupe_ids = array();
1235
1236                 while ($line = $sth->fetch()) {
1237                         $id = $line["id"];
1238                         unset($line["id"]);
1239
1240                         if (array_search($line, $tmp) === false) {
1241                                 array_push($tmp, $line);
1242                         } else {
1243                                 array_push($dupe_ids, $id);
1244                         }
1245                 }
1246
1247                 if (count($dupe_ids) > 0) {
1248                         $ids_str = join(",", $dupe_ids);
1249
1250                         $this->pdo->query("DELETE FROM ttrss_filters2_rules WHERE id IN ($ids_str)");
1251                 }
1252
1253                 $this->pdo->commit();
1254         }
1255 }