240 lines
6.4 KiB
Plaintext
240 lines
6.4 KiB
Plaintext
<?php
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/**
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* @file
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* Code for the Farm Log: Movement feature.
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*/
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// Include Features code.
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include_once 'farm_log_movement.features.inc';
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// Include Asset Location code.
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include_once 'farm_log_movement.location.inc';
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/**
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* Implements hook_farm_ui_entity_views().
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*/
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function farm_log_movement_farm_ui_entity_views($entity_type, $bundle, $entity) {
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$views = array();
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// Return a list of Views to include on Areas.
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if ($entity_type == 'taxonomy_term' && $entity->vocabulary_machine_name == 'farm_areas') {
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// Area asset history (at the bottom).
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$views[] = array(
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'name' => 'farm_area_assets',
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'weight' => 100,
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'always' => TRUE,
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);
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}
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return $views;
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}
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/**
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* Implements hook_entity_presave().
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*/
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function farm_log_movement_entity_presave($entity, $type) {
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// When a movement field collection entity is being saved, populate the
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// geometry field from the "move to" area reference field.
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if ($type == 'field_collection_item' && $entity->field_name == 'field_farm_movement') {
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farm_log_movement_populate_geometry($entity);
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}
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// When a log is being saved, populate the "move from" field with current
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// asset location(s).
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if ($type == 'log') {
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farm_log_movement_populate_move_from($entity);
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}
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// If an activity log is being saved with movement information, auto-fill the
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// log title.
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if ($type == 'log' && $entity->type == 'farm_activity') {
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farm_log_movement_populate_name($entity);
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}
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}
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/**
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* Helper function for populating a movement field collection geometry from the
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* "move to" area reference field.
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*
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* @param Entity $entity
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* The entity to act upon.
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*
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* @see farm_log_entity_presave().
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*/
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function farm_log_movement_populate_geometry($entity) {
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// Define the area field name.
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$area_field = 'field_farm_move_to';
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// If the log doesn't have an area reference field, bail.
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if (!isset($entity->{$area_field})) {
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return;
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}
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// If a geometry is already defined, bail.
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if (!empty($entity->field_farm_geofield[LANGUAGE_NONE][0]['geom'])) {
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return;
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}
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// Load the area(s) referenced by the area reference field.
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$area_ids = array();
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if (!empty($entity->{$area_field}[LANGUAGE_NONE])) {
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foreach ($entity->{$area_field}[LANGUAGE_NONE] as $area_reference) {
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if (!empty($area_reference['tid'])) {
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$area_ids[] = $area_reference['tid'];
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}
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}
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}
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// Extract geometries from the areas.
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$geoms = farm_area_extract_geoms($area_ids);
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// Populate the geofield.
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farm_map_geofield_populate($entity, $geoms);
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}
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/**
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* Helper function for populating a movement field collection's "from" field
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* based on current asset location(s).
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*
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* @param Entity $log
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* The log entity.
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*/
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function farm_log_movement_populate_move_from($log) {
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// Create an entity wrapper for the log.
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$log_wrapper = entity_metadata_wrapper('log', $log);
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// If the movement field collection doesn't exist, bail.
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if (!isset($log_wrapper->field_farm_movement) || empty($log_wrapper->field_farm_movement->value())) {
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return;
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}
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// If the "move to" field is empty, then this isn't a movement, so bail.
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if (empty($log_wrapper->field_farm_movement->field_farm_move_to->value())) {
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return;
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}
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// If the "move from" field is already populated, bail.
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if (!empty($log_wrapper->field_farm_movement->field_farm_move_from->value())) {
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return;
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}
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// If there are no assets referenced, bail.
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if (empty($log_wrapper->field_farm_asset->value())) {
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return;
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}
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// Load assets.
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$assets = array();
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foreach ($log_wrapper->field_farm_asset->value() as $asset) {
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if (!empty($asset)) {
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$assets[] = $asset;
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}
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}
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// Keep track of what areas these assets are coming from.
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$from_areas = array();
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// Iterate through the assets.
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foreach ($assets as $asset) {
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// Load the asset's current location.
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$areas = farm_log_movement_asset_location($asset);
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// Build a list of areas.
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if (!empty($areas)) {
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foreach ($areas as $area) {
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// Avoid adding the same area more than once.
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if (in_array($area->tid, $from_areas)) {
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continue;
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}
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// Remember the areas that have already been added.
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$from_areas[] = $area->tid;
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}
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}
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}
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// Add the areas to the "move from" field.
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$log_wrapper->field_farm_movement->field_farm_move_from->set($from_areas);
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}
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/**
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* Helper function for populating a log's name when it contains movement info.
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*
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* @param Entity $log
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* The log entity.
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*/
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function farm_log_movement_populate_name($log) {
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// If the log already has a name, bail.
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if (!empty($log->name)) {
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return;
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}
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// Create an entity wrapper for the log.
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$log_wrapper = entity_metadata_wrapper('log', $log);
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// If there are no assets, bail.
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if (empty($log_wrapper->field_farm_asset)) {
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return;
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}
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// If the movement field collection doesn't exist, bail.
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if (!isset($log_wrapper->field_farm_movement) || empty($log_wrapper->field_farm_movement->value())) {
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return;
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}
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// If there are no "movement to" areas, bail.
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if (empty($log_wrapper->field_farm_movement->field_farm_move_to)) {
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return;
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}
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// If there are more than one assets, summarize.
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$asset_names = '';
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$count_assets = count($log_wrapper->field_farm_asset);
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if ($count_assets > 1) {
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$asset_names .= $log_wrapper->field_farm_asset[0]->name->value() . ' (+ ' . ($count_assets - 1) . ' ' . t('more') . ')';
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}
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else {
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$asset_names .= $log_wrapper->field_farm_asset[0]->name->value();
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}
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// If there are more than one areas, summarize.
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$area_names = '';
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$count_areas = count($log_wrapper->field_farm_movement->field_farm_move_to);
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if ($count_areas > 1) {
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$area_names .= $log_wrapper->field_farm_movement->field_farm_move_to[0]->name->value() . ' (+ ' . ($count_areas - 1) . ' ' . t('more') . ')';
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}
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else {
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$area_names .= $log_wrapper->field_farm_movement->field_farm_move_to[0]->name->value();
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}
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// Build the log name.
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$log->name = t('Move') . ' ' . $asset_names . ' to ' . $area_names;
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}
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/**
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* Implements hook_entity_view_alter().
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*/
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function farm_log_movement_entity_view_alter(&$build, $type) {
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// If it's not a farm_asset, or if the entity object is not available, bail.
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if ($type != 'farm_asset' || empty($build['#entity'])) {
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return;
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}
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// Generate markup to describe the location.
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$output = farm_log_movement_asset_location_markup($build['#entity']);
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// Add it to the build array.
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$build['location'] = array(
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'#markup' => $output,
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'#weight' => -100,
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);
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}
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