<?php
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namespace JVBase\forms;
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use JVBase\managers\Cache;
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use WP_REST_Request;
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use WP_REST_Response;
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use WP_Query;
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if (!defined('ABSPATH')) {
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exit; // Exit if accessed directly
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}
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/**
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* Post Selector - Extends the single modal taxonomy selector for post selection
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* Uses the new single modal system for consistent UX
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*/
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class PostSelector
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{
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protected string $post_type;
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protected array $config;
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protected Cache $cache;
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public function __construct(string $post_type, array $config = [])
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{
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$this->post_type = $post_type;
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$this->cache = Cache::for(jvbNoBase($post_type), WEEK_IN_SECONDS)->connect('post', true);
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$this->config = wp_parse_args($config, [
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'multiple' => true,
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'maxSelections' => 0,
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'search' => true,
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'placeholder' => 'Search posts...',
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'noResults' => 'No posts found',
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'required' => false,
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'shop_id' => null,
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'base' => '',
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'onClose' => null,
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'selected' => []
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]);
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}
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/**
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* Render post selector using the single modal system
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*
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* @param array $selected Selected post IDs or post objects
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* @param string $containerId Optional container ID
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* @return string HTML for the post selector
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*/
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public function render(array $selected = [], string $containerId = ''): string
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{
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// Process selected posts
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$processedSelected = $this->processSelectedPosts($selected);
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// Create configuration for the single modal system
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$modalConfig = [
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'taxonomy' => 'post_selector', // Special identifier for post selectors
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'postType' => $this->post_type,
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'maxSelections' => $this->config['maxSelections'],
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'hierarchical' => false, // Posts are not hierarchical
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'search' => $this->config['search'],
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'createNew' => false, // Don't allow creating posts through selector
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'selected' => $processedSelected,
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'feed' => false,
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'base' => $this->config['base'],
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'onSuccess' => null,
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'onClose' => $this->config['onClose'],
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'shopId' => $this->config['shop_id'],
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'placeholder' => $this->config['placeholder'],
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'noResults' => $this->config['noResults']
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];
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$configJson = htmlspecialchars(json_encode($modalConfig), ENT_QUOTES, 'UTF-8');
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$containerAttr = $containerId ? 'data-container="' . esc_attr($containerId) . '"' : '';
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ob_start();
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?>
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<div class="post-selector-container" id="<?= $containerId ?: 'post-selector-' . $this->post_type ?>">
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<button type="button"
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class="filter-toggle row post-toggle"
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data-taxonomy-config='<?= $configJson ?>'
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<?= $containerAttr ?>
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aria-label="Select <?= esc_attr($this->post_type) ?>">
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<span class="button-text">Select <?= esc_html(ucfirst($this->post_type)) ?></span>
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<span class="icon">+</span>
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</button>
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<div class="selected-items row" role="region" aria-label="Selected <?= esc_attr($this->post_type) ?>">
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<?php if (!empty($processedSelected)): ?>
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<?php foreach ($processedSelected as $postId => $postData): ?>
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<div class="selected-item row" data-id="<?= esc_attr($postId) ?>">
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<span><?= esc_html($postData['name']) ?></span>
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<button type="button" class="remove-item row" aria-label="Remove post">×</button>
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</div>
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<?php endforeach; ?>
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<?php endif; ?>
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</div>
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</div>
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<?php
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return ob_get_clean();
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}
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/**
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* Process selected posts into the format expected by single modal
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*
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* @param array $selected Array of post IDs or post objects
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* @return array Processed selected posts
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*/
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protected function processSelectedPosts(array $selected): array
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{
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$processed = [];
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foreach ($selected as $key => $post) {
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if (is_numeric($post)) {
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// Post ID
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$postObj = get_post($post);
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if ($postObj) {
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$processed[$postObj->ID] = [
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'name' => $postObj->post_title,
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'path' => $postObj->post_title
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];
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}
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} elseif (is_object($post) && isset($post->ID)) {
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// Post object
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$processed[$post->ID] = [
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'name' => $post->post_title,
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'path' => $post->post_title
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];
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} elseif (is_array($post) && isset($post['id'])) {
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// Array with post data
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$processed[$post['id']] = [
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'name' => $post['title'] ?? $post['name'] ?? 'Unknown',
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'path' => $post['title'] ?? $post['name'] ?? 'Unknown'
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];
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}
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}
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return $processed;
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}
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/**
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* REST API endpoint for searching posts
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*
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* @param WP_REST_Request $request
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* @return WP_REST_Response
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*/
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public function searchPosts(WP_REST_Request $request): WP_REST_Response
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{
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$post_type = $request->get_param('post_type') ?: 'post';
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$search = $request->get_param('search') ?: '';
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$page = max(1, intval($request->get_param('page')) ?: 1);
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$per_page = 20;
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$shop_id = $request->get_param('shop_id');
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$args = [
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'post_type' => $post_type,
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'posts_per_page' => $per_page,
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'paged' => $page,
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'orderby' => 'title',
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'order' => 'ASC',
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'post_status' => 'publish'
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];
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// Add search if provided
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if (!empty($search)) {
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$args['s'] = sanitize_text_field($search);
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}
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// Add shop exclusion if shop_id is set
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if (!empty($shop_id)) {
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// Get existing artists in the shop to exclude them
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$existing_artists = get_posts([
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'post_type' => 'artist',
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'posts_per_page' => -1,
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'fields' => 'ids',
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'tax_query' => [[
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'taxonomy' => BASE.'shop',
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'terms' => $shop_id
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]]
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]);
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if (!empty($existing_artists)) {
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$args['post__not_in'] = $existing_artists;
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}
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}
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// Check cache
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$cache_key = $this->cache->generateKey($args);
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$cached_result = $this->cache->get($cache_key);
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if ($cached_result) {
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return new WP_REST_Response($cached_result);
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}
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// Query posts
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$query = new WP_Query($args);
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$posts = $query->posts;
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$results = [];
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foreach ($posts as $post) {
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// Get additional post data
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$city_terms = wp_get_object_terms($post->ID, BASE.'city');
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$city = !empty($city_terms) ? $city_terms[0]->name : '';
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$results[] = [
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'id' => $post->ID,
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'name' => $post->post_title,
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'title' => $post->post_title,
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'thumbnail' => get_the_post_thumbnail_url($post->ID, 'thumbnail'),
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'city' => $city,
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'url' => get_permalink($post->ID),
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'hasChildren' => false, // Posts don't have children
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'path' => $post->post_title
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];
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}
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$result = [
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'terms' => $results, // Use 'terms' to match taxonomy selector format
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'pagination' => [
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'has_more' => $query->found_posts > ($page * $per_page),
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'total_posts' => $query->found_posts,
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'current_page' => $page,
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'total_pages' => $query->max_num_pages
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]
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];
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// Cache the result
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$this->cache->set($cache_key, $result, 300); // 5 minute cache
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return new WP_REST_Response($result);
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}
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/**
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* Register REST API routes for post selection
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*/
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public static function registerRestRoutes(): void
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{
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register_rest_route('jvb/v1', '/posts/search', [
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'methods' => 'GET',
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'callback' => [new self('post'), 'searchPosts'],
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'permission_callback' => function($request) {
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return JVB()->roles()->checkRole(get_current_user(), $request->get_param('post_type'));
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},
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'args' => [
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'post_type' => [
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'required' => false,
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'type' => 'string',
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'default' => 'post'
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],
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'search' => [
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'required' => false,
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'type' => 'string',
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'default' => ''
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],
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'page' => [
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'required' => false,
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'type' => 'integer',
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'default' => 1
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],
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'shop_id' => [
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'required' => false,
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'type' => 'integer'
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]
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]
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]);
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}
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/**
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* Render post selector field for MetaForm integration
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*
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* @param string $name Field name
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* @param mixed $value Current value
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* @param array $field Field configuration
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* @return string HTML output
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*/
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public static function renderField(string $name, mixed $value, array $field): string
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{
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$post_type = $field['post_type'] ?? 'post';
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$selected = is_array($value) ? $value : [$value];
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$config = [
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'multiple' => $field['multiple'] ?? true,
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'maxSelections' => $field['limit'] ?? 0,
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'search' => true,
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'placeholder' => $field['placeholder'] ?? "Search {$post_type}...",
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'shop_id' => $field['shop_id'] ?? null,
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'onClose' => $field['onClose'] ?? 'updatePostSelection'
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];
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$selector = new self($post_type, $config);
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ob_start();
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?>
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<div class="field post-selector">
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<div class="field-group-header">
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<label class="toggle">
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<?= $field['icon'] ?? '' ?>
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<?= esc_html($field['label'] ?? ucfirst($post_type)) ?>
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</label>
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<button title="Add <?= esc_attr(ucfirst($post_type)) ?>"
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class="add-item-btn"
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type="button">
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+
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</button>
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</div>
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<?= $selector->render($selected, $name . '-selector') ?>
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<!-- Hidden input for form submission -->
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<input type="hidden"
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name="<?= esc_attr($name) ?>"
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class="post-selector-input"
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data-post-type="<?= esc_attr($post_type) ?>"
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value="<?= esc_attr(is_array($value) ? implode(',', $value) : $value) ?>">
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<?= !empty($field['description']) ? '<p class="description">' . esc_html($field['description']) . '</p>' : '' ?>
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</div>
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<?php
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return ob_get_clean();
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}
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}
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// Register REST routes
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add_action('rest_api_init', [PostSelector::class, 'registerRestRoutes']);
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