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/gp-includes/things/ -> translation.php (source)

   1  <?php
   2  /**
   3   * Things: GP_Translation class
   4   *
   5   * @package GlotPress
   6   * @subpackage Things
   7   * @since 1.0.0
   8   */
   9  
  10  /**
  11   * Core class used to implement the translations.
  12   *
  13   * @since 1.0.0
  14   */
  15  class GP_Translation extends GP_Thing {
  16  
  17      /**
  18       * Number of translations per page.
  19       *
  20       * @var int $per_page
  21       */
  22      public $per_page = 15;
  23  
  24      /**
  25       * Name of the database table.
  26       *
  27       * @var string $table_basename
  28       */
  29      public $table_basename = 'gp_translations';
  30  
  31      /**
  32       * List of field names for a translation.
  33       *
  34       * @var array $field_names
  35       */
  36      public $field_names = array(
  37          'id',
  38          'original_id',
  39          'translation_set_id',
  40          'translation_0',
  41          'translation_1',
  42          'translation_2',
  43          'translation_3',
  44          'translation_4',
  45          'translation_5',
  46          'user_id',
  47          'user_id_last_modified',
  48          'status',
  49          'date_added',
  50          'date_modified',
  51          'warnings',
  52      );
  53  
  54      /**
  55       * List of field names which have an integer value.
  56       *
  57       * @var array $int_fields
  58       */
  59      public $int_fields = array(
  60          'id',
  61          'original_id',
  62          'translation_set_id',
  63          'user_id',
  64          'user_id_last_modified',
  65      );
  66  
  67      /**
  68       * List of field names which cannot be updated.
  69       *
  70       * @var array $non_updatable_attributes
  71       */
  72      public $non_updatable_attributes = array( 'id' );
  73  
  74      /**
  75       * ID of the translation.
  76       *
  77       * @var int $id
  78       */
  79      public $id;
  80  
  81      /**
  82       * ID of the original.
  83       *
  84       * @var int $original_id
  85       */
  86      public $original_id;
  87  
  88      /**
  89       * ID of the translation set.
  90       *
  91       * @var int $translation_set_id
  92       */
  93      public $translation_set_id;
  94  
  95      /**
  96       * Translation for a singular form.
  97       *
  98       * @var string $translation_1
  99       */
 100      public $translation_0;
 101  
 102      /**
 103       * Translation for a plural form.
 104       *
 105       * @var string $translation_1
 106       */
 107      public $translation_1;
 108  
 109      /**
 110       * Translation for a second plural form.
 111       *
 112       * @var string $translation_2
 113       */
 114      public $translation_2;
 115  
 116      /**
 117       * Translation for a third plural form.
 118       *
 119       * @var string $translation_3
 120       */
 121      public $translation_3;
 122  
 123      /**
 124       * Translation for a fourth plural form.
 125       *
 126       * @var string $translation_4
 127       */
 128      public $translation_4;
 129  
 130      /**
 131       * Translation for a fifth plural form.
 132       *
 133       * @var string $translation_5
 134       */
 135      public $translation_5;
 136  
 137      /**
 138       * ID of a user who submitted the translation.
 139       *
 140       * @var int $user_id
 141       */
 142      public $user_id;
 143  
 144      /**
 145       * ID of a user (validator) who last changed the status of the translation.
 146       *
 147       * @since 2.1.0
 148       *
 149       * @var int $user_id_last_modified
 150       */
 151      public $user_id_last_modified;
 152  
 153      /**
 154       * Status of the translation.
 155       *
 156       * @var string $status
 157       */
 158      public $status;
 159  
 160      /**
 161       * Date when the translation was added.
 162       *
 163       * @var string $date_added
 164       */
 165      public $date_added;
 166  
 167      /**
 168       * Date when the translation was modified.
 169       *
 170       * @var string $date_added
 171       */
 172      public $date_modified;
 173  
 174      /**
 175       * List of warnings when translation isn't correct.
 176       *
 177       * @var array $warnings
 178       */
 179      public $warnings;
 180  
 181      /**
 182       * Number of found results.
 183       *
 184       * @var int $found_rows
 185       */
 186      public $found_rows;
 187  
 188      /**
 189       * List of valid statuses.
 190       *
 191       * @var array $statuses
 192       * @static
 193       */
 194      public static $statuses = array( 'current', 'waiting', 'rejected', 'fuzzy', 'old' );
 195  
 196      /**
 197       * Number of supported translations per original.
 198       *
 199       * @var int $number_of_plural_translations
 200       * @static
 201       */
 202      public static $number_of_plural_translations = 6;
 203  
 204  	public function create( $args ) {
 205          $inserted = parent::create( $args );
 206  
 207          if ( $inserted && is_array( $args ) && isset( $args['translation_set_id'] ) ) {
 208              gp_clean_translation_set_cache( $args['translation_set_id'] );
 209          }
 210  
 211          return $inserted;
 212      }
 213  
 214      /**
 215       * Normalizes an array with key-value pairs representing
 216       * a GP_Translation object.
 217       *
 218       * @since 1.0.0
 219       *
 220       * @param array $args Arguments for a GP_Translation object.
 221       * @return array Normalized arguments for a GP_Translation object.
 222       */
 223  	public function normalize_fields( $args ) {
 224          $args = parent::normalize_fields( $args );
 225  
 226          if ( isset( $args['translations'] ) && is_array( $args['translations'] ) ) {
 227              // Reduce range by one since we're starting at 0, see GH#516.
 228              foreach ( range( 0, $this->get_static( 'number_of_plural_translations' ) - 1 ) as $i ) {
 229                  if ( isset( $args['translations'][ $i ] ) ) {
 230                      $args[ "translation_$i" ] = $args['translations'][ $i ];
 231                  }
 232              }
 233              unset( $args['translations'] );
 234          }
 235  
 236          // Reduce range by one since we're starting at 0, see GH#516.
 237          foreach ( range( 0, $this->get_static( 'number_of_plural_translations' ) - 1 ) as $i ) {
 238              if ( isset( $args[ "translation_$i" ] ) ) {
 239                  $args[ "translation_$i" ] = $args[ "translation_$i" ];
 240              }
 241          }
 242  
 243          if ( gp_array_get( $args, 'warnings' ) == array() ) {
 244              $args['warnings'] = null;
 245          }
 246  
 247          return $args;
 248      }
 249  
 250  	public function prepare_fields_for_save( $args ) {
 251          $args = parent::prepare_fields_for_save( $args );
 252  
 253          /**
 254           * Filters the translation fields before they are saved.
 255           *
 256           * @since 3.0.0
 257           *
 258           * @param array          $args Translation arguments.
 259           * @param GP_Translation $this Translation class.
 260           */
 261          $args = apply_filters( 'gp_translation_prepare_for_save', $args, $this );
 262  
 263          if ( is_array( gp_array_get( $args, 'warnings' ) ) ) {
 264              $args['warnings'] = serialize( $args['warnings'] );
 265          }
 266  
 267          return $args;
 268      }
 269  
 270      /**
 271       * Sets restriction rules for fields.
 272       *
 273       * @since 1.0.0
 274       *
 275       * @param GP_Validation_Rules $rules The validation rules instance.
 276       */
 277  	public function restrict_fields( $rules ) {
 278          $rules->translation_0_should_not_be( 'empty_string' );
 279          $rules->translation_1_should_not_be( 'empty_string' );
 280          $rules->translation_2_should_not_be( 'empty_string' );
 281          $rules->translation_3_should_not_be( 'empty_string' );
 282          $rules->translation_4_should_not_be( 'empty_string' );
 283          $rules->translation_5_should_not_be( 'empty_string' );
 284          $rules->status_should_not_be( 'empty' );
 285          $rules->original_id_should_be( 'positive_int' );
 286          $rules->translation_set_id_should_be( 'positive_int' );
 287          $rules->user_id_should_be( 'positive_int' );
 288          $rules->user_id_last_modified_should_not_be( 'empty_string' );
 289      }
 290  
 291      /**
 292       * Sets fields of the current GP_Thing object.
 293       *
 294       * @param array $fields Fields for a GP_Thing object.
 295       */
 296  	public function set_fields( $fields ) {
 297          parent::set_fields( $fields );
 298          if ( $this->warnings ) {
 299              $this->warnings = maybe_unserialize( $this->warnings );
 300          }
 301      }
 302  
 303  	public function for_export( $project, $translation_set, $filters = null ) {
 304          return GP::$translation->for_translation( $project, $translation_set, 'no-limit', $filters ? $filters : array( 'status' => 'current_or_untranslated' ) );
 305      }
 306  
 307  	public function for_translation( $project, $translation_set, $page, $filters = array(), $sort = array() ) {
 308          global $wpdb;
 309  
 310          $locale = GP_Locales::by_slug( $translation_set->locale );
 311  
 312          $join_type = 'INNER';
 313  
 314          $sort_bys = wp_list_pluck( gp_get_sort_by_fields(), 'sql_sort_by' );
 315  
 316          $default_sort = get_user_option( 'gp_default_sort' );
 317          if ( ! is_array( $default_sort ) ) {
 318              $default_sort = array(
 319                  'by'  => 'priority',
 320                  'how' => 'desc',
 321              );
 322          }
 323  
 324          $sort_by   = gp_array_get( $sort_bys, gp_array_get( $sort, 'by' ), gp_array_get( $sort_bys, $default_sort['by'] ) );
 325          $sort_hows = array(
 326              'asc'  => 'ASC',
 327              'desc' => 'DESC',
 328          );
 329          $sort_how  = gp_array_get( $sort_hows, gp_array_get( $sort, 'how' ), gp_array_get( $sort_hows, $default_sort['how'] ) );
 330          $collation = 'yes' === gp_array_get( $filters, 'case_sensitive' ) ? 'BINARY' : '';
 331  
 332          $where = array();
 333          if ( gp_array_get( $filters, 'term' ) ) {
 334              $like = "LIKE $collation '%" . ( esc_sql( $wpdb->esc_like( gp_array_get( $filters, 'term' ) ) ) ) . "%'";
 335  
 336              $term_scope = gp_array_get( $filters, 'term_scope', 'scope_any' );
 337  
 338              switch ( $term_scope ) {
 339                  case 'scope_originals':
 340                      $scope_array = array( 'o.singular', 'o.plural' );
 341                      break;
 342                  case 'scope_translations':
 343                      $scope_array = array( 't.translation_0', 't.translation_1' );
 344                      break;
 345                  case 'scope_context':
 346                      $scope_array = array( 'o.context' );
 347                      break;
 348                  case 'scope_references':
 349                      $scope_array = array( 'o.references' );
 350                      break;
 351                  case 'scope_both':
 352                      $scope_array = array( 'o.singular', 't.translation_0', 'o.plural', 't.translation_1' );
 353                      break;
 354                  default:
 355                      $scope_array = array( 'o.singular', 't.translation_0', 'o.plural', 't.translation_1', 'o.context', 'o.references' );
 356                      break;
 357              }
 358  
 359              $mapped_scope_array = array_map(
 360                  function( $x ) use ( $like ) {
 361                      return "($x $like)";
 362                  },
 363                  $scope_array
 364              );
 365  
 366              $where[] = '(' . implode( ' OR ', $mapped_scope_array ) . ')';
 367          }
 368          if ( gp_array_get( $filters, 'before_date_added' ) ) {
 369              $where[] = $wpdb->prepare( 't.date_added > %s', gp_array_get( $filters, 'before_date_added' ) );
 370          }
 371          if ( gp_array_get( $filters, 'translation_id' ) ) {
 372              $where[] = $wpdb->prepare( 't.id = %d', gp_array_get( $filters, 'translation_id' ) );
 373          }
 374          if ( gp_array_get( $filters, 'original_id' ) ) {
 375              $where[] = $wpdb->prepare( 'o.id = %d', gp_array_get( $filters, 'original_id' ) );
 376          }
 377          if ( 'yes' == gp_array_get( $filters, 'warnings' ) ) {
 378              $where[] = 't.warnings IS NOT NULL';
 379              $where[] = 't.warnings != ""';
 380          } elseif ( 'no' == gp_array_get( $filters, 'warnings' ) ) {
 381              $where[] = 't.warnings IS NULL';
 382          }
 383          if ( 'yes' == gp_array_get( $filters, 'with_context' ) ) {
 384              $where[] = 'o.context IS NOT NULL';
 385          }
 386          if ( 'yes' == gp_array_get( $filters, 'with_comment' ) ) {
 387              $where[] = 'o.comment IS NOT NULL AND o.comment <> ""';
 388          }
 389  
 390          if ( 'yes' === gp_array_get( $filters, 'with_plural' ) ) {
 391              $where[] = 'o.plural IS NOT NULL';
 392          }
 393  
 394          if ( gp_array_get( $filters, 'user_login' ) ) {
 395              $user = get_user_by( 'login', $filters['user_login'] );
 396              // do not return any entries if the user doesn't exist
 397              $where[] = $wpdb->prepare( 't.user_id = %d', ( $user && $user->ID ) ? $user->ID : -1 );
 398          }
 399  
 400          if ( ! GP::$permission->current_user_can( 'write', 'project', $project->id ) ) {
 401              $where[] = 'o.priority > -2';
 402          }
 403  
 404          $priorities = gp_array_get( $filters, 'priority' );
 405          if ( $priorities ) {
 406              $valid_priorities = array_keys( GP::$original->get_static( 'priorities' ) );
 407              $priorities       = array_filter(
 408                  gp_array_get( $filters, 'priority' ),
 409                  function( $p ) use ( $valid_priorities ) {
 410                      return in_array( intval( $p ), $valid_priorities, true );
 411                  }
 412              );
 413  
 414              $priorities_where = array();
 415              foreach ( $priorities as $single_priority ) {
 416                  $priorities_where[] = $wpdb->prepare( 'o.priority = %s', $single_priority );
 417              }
 418  
 419              if ( ! empty( $priorities_where ) ) {
 420                  $priorities_where = '(' . implode( ' OR ', $priorities_where ) . ')';
 421                  $where[]          = $priorities_where;
 422              }
 423          };
 424  
 425          $join_on  = array();
 426          $status   = gp_array_get( $filters, 'status', 'current_or_waiting_or_fuzzy_or_untranslated' );
 427          $statuses = explode( '_or_', $status );
 428          if ( in_array( 'untranslated', $statuses, true ) ) {
 429              if ( array( 'untranslated' ) == $statuses ) {
 430                  $where[] = 't.translation_0 IS NULL';
 431              }
 432              $join_type = 'LEFT';
 433              $join_on[] = "t.status != 'rejected'";
 434              $join_on[] = "t.status != 'old'";
 435              $statuses  = array_filter(
 436                  $statuses,
 437                  function( $x ) {
 438                      return 'untranslated' !== $x;
 439                  }
 440              );
 441          }
 442  
 443          $all_statuses = $this->get_static( 'statuses' );
 444          $statuses     = array_filter(
 445              $statuses,
 446              function( $s ) use ( $all_statuses ) {
 447                  return in_array( $s, $all_statuses, true );
 448              }
 449          );
 450  
 451          if ( ! empty( $statuses ) ) {
 452              $statuses_where = array();
 453              foreach ( $statuses as $single_status ) {
 454                  $statuses_where[] = $wpdb->prepare( 't.status = %s', $single_status );
 455              }
 456              $statuses_where = '(' . implode( ' OR ', $statuses_where ) . ')';
 457              $join_on[]      = $statuses_where;
 458          }
 459  
 460          /**
 461           * Filter the SQL WHERE clause to get available translations.
 462           *
 463           * @since 1.0.0
 464           *
 465           * @param array              $where           An array of where conditions.
 466           * @param GP_Translation_Set $translation_set Current translation set.
 467           */
 468          $where = apply_filters( 'gp_for_translation_where', $where, $translation_set );
 469  
 470          $where = implode( ' AND ', $where );
 471          if ( $where ) {
 472              $where = 'AND ' . $where;
 473          }
 474  
 475          $where = 'o.project_id = ' . (int) $project->id . " AND o.status = '+active' " . $where;
 476  
 477          $join_on = implode( ' AND ', $join_on );
 478          if ( $join_on ) {
 479              $join_on = 'AND ' . $join_on;
 480          }
 481  
 482          $fields = array(
 483              't.*',
 484              'o.*',
 485              't.id as id',
 486              'o.id as original_id',
 487              't.status as translation_status',
 488              'o.status as original_status',
 489              't.date_added as translation_added',
 490              'o.date_added as original_added',
 491          );
 492  
 493          $join = "$join_type JOIN {$wpdb->gp_translations} AS t ON o.id = t.original_id AND t.translation_set_id = " . (int) $translation_set->id;
 494  
 495          $orderby = sprintf( $sort_by, $sort_how );
 496  
 497          $limit = $this->sql_limit_for_paging( $page, $this->per_page );
 498  
 499          /**
 500           * Filters the 'for_translation' query SQL clauses.
 501           *
 502           * @since 2.3.0
 503           *
 504           * @param array              $pieces          {
 505           *     Translation query SQL clauses.
 506           *
 507           *     @type array  $fields  Fields to select in the query.
 508           *     @type string $join    JOIN clause of the query.
 509           *     @type string $join_on Conditions for the JOIN clause.
 510           *     @type string $where   WHERE clause of the query.
 511           *     @type string $orderby Fields for ORDER BY clause.
 512           *     @type string $limit   LIMIT clause of the query.
 513           * }
 514           * @param GP_Translation_Set      $translation_set      The translation set object being queried.
 515           * @param array                   $filters              An array of search filters.
 516           * @param array                   $sort                 An array of sort settings.
 517           */
 518          $clauses = apply_filters( 'gp_for_translation_clauses', compact( 'fields', 'join', 'join_on', 'where', 'orderby', 'limit' ), $translation_set, $filters, $sort );
 519  
 520          $fields  = isset( $clauses['fields'] ) ? implode( ', ', $clauses['fields'] ) : '*';
 521          $join    = isset( $clauses['join'] ) ? $clauses['join'] : '';
 522          $join_on = isset( $clauses['join_on'] ) ? $clauses['join_on'] : '';
 523          $where   = isset( $clauses['where'] ) ? $clauses['where'] : '';
 524          $orderby = isset( $clauses['orderby'] ) ? 'ORDER BY ' . $clauses['orderby'] : '';
 525          $limit   = isset( $clauses['limit'] ) ? $clauses['limit'] : '';
 526  
 527          $sql_for_translations = "
 528              SELECT SQL_CALC_FOUND_ROWS $fields
 529              FROM {$wpdb->gp_originals} as o
 530              $join $join_on
 531              WHERE $where $orderby $limit";
 532  
 533          $rows = $this->many_no_map( $sql_for_translations );
 534  
 535          /**
 536           * Filters the rows returned from the for_translation query.
 537           *
 538           * @since 2.3.0
 539           *
 540           * @param array              $rows            Array of arrays returned by the query.
 541           * @param GP_Translation_Set $translation_set The translation set object being queried.
 542           */
 543          $rows = apply_filters( 'gp_for_translation_rows', $rows, $translation_set );
 544  
 545          $this->found_rows = $this->found_rows();
 546          $translations     = array();
 547  
 548          foreach ( (array) $rows as $row ) {
 549              $row->user = $row->user_last_modified = null;
 550  
 551              if ( $row->user_id && 'no-limit' !== $this->per_page ) {
 552                  $user = get_userdata( $row->user_id );
 553                  if ( $user ) {
 554                      $row->user = (object) array(
 555                          'ID'            => $user->ID,
 556                          'user_login'    => $user->user_login,
 557                          'display_name'  => $user->display_name,
 558                          'user_nicename' => $user->user_nicename,
 559                      );
 560                  }
 561              }
 562  
 563              if ( $row->user_id_last_modified && 'no-limit' !== $this->per_page ) {
 564                  $user = get_userdata( $row->user_id_last_modified );
 565                  if ( $user ) {
 566                      $row->user_last_modified = (object) array(
 567                          'ID'            => $user->ID,
 568                          'user_login'    => $user->user_login,
 569                          'display_name'  => $user->display_name,
 570                          'user_nicename' => $user->user_nicename,
 571                      );
 572                  }
 573              }
 574  
 575              $row->translations = array();
 576              for ( $i = 0; $i < $locale->nplurals; $i++ ) {
 577                  $row->translations[] = $row->{'translation_' . $i};
 578              }
 579              $row->references         = preg_split( '/\s+/', $row->references, -1, PREG_SPLIT_NO_EMPTY );
 580              $row->extracted_comments = $row->comment;
 581              $row->warnings           = $row->warnings ? maybe_unserialize( $row->warnings ) : null;
 582              unset( $row->comment );
 583  
 584              // Reduce range by one since we're starting at 0, see GH#516.
 585              foreach ( range( 0, $this->get_static( 'number_of_plural_translations' ) - 1 ) as $i ) {
 586                  $member = "translation_$i";
 587                  unset( $row->$member );
 588              }
 589  
 590              $row->row_id = $row->original_id . ( $row->id ? "-$row->id" : '' );
 591  
 592              if ( '0' !== $row->priority ) {
 593                  $row->flags = array(
 594                      'gp-priority: ' . GP_Original::$priorities[ $row->priority ],
 595                  );
 596              }
 597  
 598              $translations[] = new Translation_Entry( (array) $row );
 599          }
 600          unset( $rows );
 601          return $translations;
 602      }
 603  
 604  	public function set_as_current() {
 605          $result = $this->update(
 606              array( 'status' => 'old' ),
 607              array(
 608                  'original_id'        => $this->original_id,
 609                  'translation_set_id' => $this->translation_set_id,
 610                  'status'             => 'current',
 611              )
 612          )
 613          && $this->update(
 614              array( 'status' => 'old' ),
 615              array(
 616                  'original_id'        => $this->original_id,
 617                  'translation_set_id' => $this->translation_set_id,
 618                  'status'             => 'waiting',
 619              )
 620          )
 621          && $this->update(
 622              array( 'status' => 'old' ),
 623              array(
 624                  'original_id'        => $this->original_id,
 625                  'translation_set_id' => $this->translation_set_id,
 626                  'status'             => 'fuzzy',
 627              )
 628          )
 629          && $this->save(
 630              array(
 631                  'status'                => 'current',
 632                  'user_id_last_modified' => get_current_user_id(),
 633              )
 634          );
 635  
 636          return $result;
 637      }
 638  
 639  	public function reject() {
 640          $this->set_status( 'rejected' );
 641      }
 642  
 643      /**
 644       * Decides whether the status of a translation can be changed to a desired status.
 645       *
 646       * @since 2.3.0
 647       *
 648       * @param string $desired_status The desired status.
 649       * @return bool Whether the status can be set.
 650       */
 651  	public function can_set_status( $desired_status ) {
 652          /**
 653           * Filters the decision whether a translation can be set to a status.
 654           *
 655           * @since 2.3.0
 656           *
 657           * @param string|bool    $can_set_status Whether the user can set the desired status.
 658           * @param GP_Translation $translation    The translation to decide this for.
 659           * @param string         $desired_status The desired status.
 660           */
 661          $can_set_status = apply_filters( 'gp_pre_can_set_translation_status', 'no-verdict', $this, $desired_status );
 662          if ( is_bool( $can_set_status ) ) {
 663              return $can_set_status;
 664          }
 665  
 666          if ( ! is_bool( $can_set_status ) && 'rejected' === $desired_status && get_current_user_id() === (int) $this->user_id ) {
 667              $can_set_status = true;
 668          }
 669  
 670          if ( ! is_bool( $can_set_status ) && ( 'current' === $desired_status || 'rejected' === $desired_status ) ) {
 671              if ( ! GP::$permission->current_user_can( 'approve', 'translation', $this->id, array( 'translation' => $this ) ) ) {
 672                  $can_set_status = false;
 673              }
 674          }
 675  
 676          if ( ! is_bool( $can_set_status ) ) {
 677              $can_set_status = true;
 678          }
 679  
 680          /**
 681           * Filters the decision whether a translation can be set to a status.
 682           *
 683           * @since 2.3.0
 684           *
 685           * @param bool           $can_set_status Whether the user can set the desired status.
 686           * @param GP_Translation $translation    The translation to decide this for.
 687           * @param string         $desired_status The desired status.
 688           */
 689          $can_set_status = apply_filters( 'gp_can_set_translation_status', $can_set_status, $this, $desired_status );
 690  
 691          return $can_set_status;
 692      }
 693  
 694      /**
 695       * Changes the status of a translation if possible.
 696       *
 697       * @since 2.3.0
 698       *
 699       * @param string $status The status to be set.
 700       * @return bool Whether the setting of status was successful.
 701       */
 702  	public function set_status( $status ) {
 703          if ( ! $this->can_set_status( $status ) ) {
 704              return false;
 705          }
 706  
 707          if ( 'current' === $status ) {
 708              $updated = $this->set_as_current();
 709          } else {
 710              $updated = $this->save(
 711                  array(
 712                      'user_id_last_modified' => get_current_user_id(),
 713                      'status'                => $status,
 714                  )
 715              );
 716          }
 717  
 718          if ( $updated ) {
 719              gp_clean_translation_set_cache( $this->translation_set_id );
 720          }
 721  
 722          return $updated;
 723      }
 724  
 725  	public function translations() {
 726          $translations = array();
 727  
 728          // Reduce range by one since we're starting at 0, see GH#516.
 729          foreach ( range( 0, $this->get_static( 'number_of_plural_translations' ) - 1 ) as $i ) {
 730              $translations[ $i ] = isset( $this->{"translation_$i"} ) ? $this->{"translation_$i"} : null;
 731          }
 732          return $translations;
 733      }
 734  
 735      /**
 736       * Retrieves the last modified date of a translation in a translation set.
 737       *
 738       * @since 1.0.0
 739       *
 740       * @param GP_Translation_Set $translation_set The translation set to retrieve the last modified date.
 741       * @return string|false The last modified date on success, false on failure.
 742       */
 743  	public function last_modified( $translation_set ) {
 744          $last_modified = wp_cache_get( $translation_set->id, 'translation_set_last_modified' );
 745          // Cached as "" if no translations.
 746          if ( '' === $last_modified ) {
 747              return false;
 748          } elseif ( false !== $last_modified ) {
 749              return $last_modified;
 750          }
 751  
 752          $last_modified = $this->value( "SELECT date_modified FROM {$this->table} WHERE translation_set_id = %d AND status = %s ORDER BY date_modified DESC LIMIT 1", $translation_set->id, 'current' );
 753          wp_cache_set( $translation_set->id, (string) $last_modified, 'translation_set_last_modified' );
 754          return $last_modified;
 755      }
 756  
 757      // Triggers
 758  
 759      /**
 760       * Executes after creating a translation.
 761       *
 762       * @since 1.0.0
 763       *
 764       * @return bool
 765       */
 766  	public function after_create() {
 767          /**
 768           * Fires after a translation was created.
 769           *
 770           * @since 1.0.0
 771           *
 772           * @param GP_Translation $translation Translation that was created.
 773           */
 774          do_action( 'gp_translation_created', $this );
 775  
 776          return true;
 777      }
 778  
 779      /**
 780       * Executes after saving a translation.
 781       *
 782       * @since 1.0.0
 783       * @since 3.0.0 Added the `$original_before` parameter.
 784       *
 785       * @param GP_Translation $translation_before Translation before the update.
 786       * @return bool
 787       */
 788  	public function after_save( $translation_before ) {
 789          /**
 790           * Fires after a translation was saved.
 791           *
 792           * @since 1.0.0
 793           * @since 3.0.0 Added the `$original_before` parameter.
 794           *
 795           * @param GP_Translation $translation        Translation following the update.
 796           * @param GP_Translation $translation_before Translation before the update.
 797           */
 798          do_action( 'gp_translation_saved', $this, $translation_before );
 799  
 800          return true;
 801      }
 802  
 803      /**
 804       * Executes after deleting a translation.
 805       *
 806       * @since 2.0.0
 807       *
 808       * @return bool
 809       */
 810  	public function after_delete() {
 811          /**
 812           * Fires after a translation was deleted.
 813           *
 814           * @since 2.0.0
 815           *
 816           * @param GP_Translation $translation Translation that was deleted.
 817           */
 818          do_action( 'gp_translation_deleted', $this );
 819  
 820          return true;
 821      }
 822  }
 823  
 824  GP::$translation = new GP_Translation();


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