From 851a40c1c0a560e27dd154e905391dce9aadd572 Mon Sep 17 00:00:00 2001
From: Keith Solomon <keith@vincentdesign.ca>
Date: Thu, 30 Jan 2025 15:00:34 -0600
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8feature:=20Initial=20commit?=
MIME-Version: 1.0
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---
 .vscode/settings.json |   8 +++
 assets/script.js      |  17 ++++++
 assets/style.css      |  13 +++++
 resource-filter.php   | 121 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 159 insertions(+)
 create mode 100644 .vscode/settings.json
 create mode 100644 assets/script.js
 create mode 100644 assets/style.css
 create mode 100644 resource-filter.php

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..d921d50
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,8 @@
+{
+  "workbench.colorCustomizations": {
+    "tree.indentGuidesStroke": "#3d92ec",
+    "activityBar.background": "#193414",
+    "titleBar.activeBackground": "#23481C",
+    "titleBar.activeForeground": "#F6FBF5"
+  }
+}
diff --git a/assets/script.js b/assets/script.js
new file mode 100644
index 0000000..4f71fb0
--- /dev/null
+++ b/assets/script.js
@@ -0,0 +1,17 @@
+jQuery(document).ready(function ($) {
+  $('#resource-filter').on('submit', function (e) {
+    e.preventDefault();
+
+    let formData = {
+      action: 'filter_resources',
+      nonce: resourceFilterAjax.nonce,
+      search: $('#search').val(),
+      resource_type: $('#resource_type').val(),
+      resource_subject: $('#resource_subject').val(),
+    };
+
+    $.post(resourceFilterAjax.ajaxurl, formData, function (response) {
+      $('#resource-results').html(response);
+    });
+  });
+});
diff --git a/assets/style.css b/assets/style.css
new file mode 100644
index 0000000..d3446a4
--- /dev/null
+++ b/assets/style.css
@@ -0,0 +1,13 @@
+#resource-filter {
+  display: flex;
+  gap: 10px;
+  margin-bottom: 20px;
+}
+
+#resource-filter input,
+#resource-filter select,
+#resource-filter button {
+  border: 1px solid #ccc;
+  font-size: 16px;
+  padding: 8px;
+}
diff --git a/resource-filter.php b/resource-filter.php
new file mode 100644
index 0000000..015e5db
--- /dev/null
+++ b/resource-filter.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ * Plugin Name: Resource Filter
+ * Description: Adds filtering for the 'resources' post type by 'resource_type' and 'resource_subject'.
+ * Version: 1.0
+ * Author: Keith Solomon
+ */
+
+if (!defined('ABSPATH')) { exit; } // Prevent direct access
+
+class ResourceFilterPlugin {
+  public function __construct() {
+    add_shortcode('resource_filter', [$this, 'renderFilterForm']);
+    add_action('wp_enqueue_scripts', [$this, 'enqueueScripts']);
+    add_action('wp_ajax_filter_resources', [$this, 'filterResources']);
+    add_action('wp_ajax_nopriv_filter_resources', [$this, 'filterResources']);
+  }
+
+  public function enqueueScripts() {
+    // Load script only if the shortcode is present on the page
+    if (!is_admin() && has_shortcode(get_post_field('post_content', get_the_ID()), 'resource_filter')) {
+      wp_enqueue_style('resource-filter-style', plugins_url('assets/style.css', __FILE__));
+      wp_enqueue_script('resource-filter-script', plugins_url('assets/script.js', __FILE__), ['jquery'], null, true);
+
+      wp_localize_script('resource-filter-script', 'resourceFilterAjax', [
+        'ajaxurl' => admin_url('admin-ajax.php'),
+        'nonce' => wp_create_nonce('resource_filter_nonce')
+      ]);
+    }
+  }
+
+  public function renderFilterForm() {
+    ob_start();
+    ?>
+    <form id="resource-filter">
+      <input type="text" id="search" name="search" placeholder="Search resources...">
+
+      <?php
+      $types = get_terms(['taxonomy' => 'resource_type', 'hide_empty' => true]);
+      $subjects = get_terms(['taxonomy' => 'resource_subject', 'hide_empty' => true]);
+      ?>
+
+      <select id="resource_type" name="resource_type">
+        <option value="">All Types</option>
+        <?php foreach ($types as $type) : ?>
+          <option value="<?php echo esc_attr($type->slug); ?>"><?php echo esc_html($type->name); ?></option>
+        <?php endforeach; ?>
+      </select>
+
+      <select id="resource_subject" name="resource_subject">
+        <option value="">All Subjects</option>
+        <?php foreach ($subjects as $subject) : ?>
+          <option value="<?php echo esc_attr($subject->slug); ?>"><?php echo esc_html($subject->name); ?></option>
+        <?php endforeach; ?>
+      </select>
+
+      <button type="submit">Filter</button>
+    </form>
+
+    <div id="resource-results">
+      <?php $this->loadResources(); ?>
+    </div>
+    <?php
+    return ob_get_clean();
+  }
+
+  public function filterResources() {
+    check_ajax_referer('resource_filter_nonce', 'nonce');
+
+    $query_args = [
+      'post_type' => 'resource',
+      'posts_per_page' => -1,
+      'tax_query' => [],
+      's' => isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '',
+    ];
+
+    if (!empty($_POST['resource_type']) || !empty($_POST['resource_subject'])) {
+      $query_args['tax_query']['relation'] = 'AND'; // Ensures both must match
+
+      if (!empty($_POST['resource_type'])) {
+        $query_args['tax_query'][] = [
+          'taxonomy' => 'resource_type',
+          'field' => 'slug',
+          'terms' => sanitize_text_field($_POST['resource_type'])
+        ];
+      }
+
+      if (!empty($_POST['resource_subject'])) {
+        $query_args['tax_query'][] = [
+          'taxonomy' => 'resource_subject',
+          'field' => 'slug',
+          'terms' => sanitize_text_field($_POST['resource_subject'])
+        ];
+      }
+    }
+
+    error_log(print_r($query_args, true)); // Add this to debug query args
+
+    $this->loadResources($query_args);
+    wp_die();
+  }
+
+  private function loadResources($query_args = ['post_type' => 'resource', 'posts_per_page' => -1]) {
+    $query = new WP_Query($query_args);
+
+    if ($query->have_posts()) {
+      echo '<ul>';
+      while ($query->have_posts()) {
+        $query->the_post();
+        echo '<li><a href="' . get_permalink() . '">' . get_the_title() . '</a></li>';
+      }
+      echo '</ul>';
+    } else {
+      echo '<p>No resources found.</p>';
+    }
+
+    wp_reset_postdata();
+  }
+}
+
+new ResourceFilterPlugin();