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Add video_gallery.php

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hannah 2024-08-03 05:42:19 +00:00 committed by git.private.coffee
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<?php
/**
* Plugin Name: PeerTube Video Gallery
* Description: A plugin to display a video gallery with categories visible to certain user groups.
* Version: 0.1
* Author: Hannah L (@hannah:private.coffee)
* License: MIT
*/
// Make sure we don't expose any info if called directly
if (!function_exists('add_action')) {
echo 'Hi there! I\'m just a plugin, not much I can do when called directly.';
exit;
}
// Register Custom Post Type for our Video Gallery
function register_video_gallery_cpt()
{
$args = array(
'public' => true,
'label' => 'Video',
'supports' => array('title', 'editor', 'thumbnail'),
'menu_icon' => 'dashicons-video-alt3',
);
register_post_type('video_gallery', $args);
}
add_action('init', 'register_video_gallery_cpt');
// Register Custom Taxonomies for Video Categories and User Groups
function register_video_gallery_taxonomies()
{
// Video Categories
$labels = array(
'name' => 'Video Categories',
'singular_name' => 'Video Category',
);
$args = array(
'hierarchical' => true,
'labels' => $labels,
);
register_taxonomy('video_category', array('video_gallery'), $args);
// User Groups
$labels = array(
'name' => 'User Groups',
'singular_name' => 'User Group',
);
$args = array(
'labels' => $labels,
// 'public' and 'show_ui' are false to hide from admin menu as we'll create custom management
'public' => false,
'show_ui' => false,
'rewrite' => false,
'hierarchical' => true,
);
register_taxonomy('user_group', 'user', $args);
}
add_action('init', 'register_video_gallery_taxonomies', 0);
// Function to embed PeerTube video
function output_video_html($video_post_id)
{
$video_html = get_post_meta($video_post_id, 'video_embed_html', true);
// Safety filter for executing HTML content on the page.
$video_html = wp_kses_post($video_html);
// Warn if the video embed code is empty
if (empty($video_html)) {
$video_html = '<p class="warning">No video embed code found.</p>';
}
return $video_html;
}
// Function to display user groups admin page in the admin menu
function user_groups_admin_submenu()
{
add_submenu_page(
'edit.php?post_type=video_gallery', // Parent slug
__('Manage User Groups', 'text-domain'), // Page title
__('User Groups', 'text-domain'), // Menu title
'manage_options', // Capability required
'manage-user-groups', // Menu slug
'user_groups_admin_page' // Callback function
);
}
add_action('admin_menu', 'user_groups_admin_submenu');
// Function to display user groups admin page
function user_groups_admin_page()
{
// Ensure user has the capability to manage options
if (!current_user_can('manage_options')) return;
if (isset($_POST['action']) && $_POST['action'] == 'add_user_group') {
// Check for nonces and user capabilities if necessary
$new_group_name = sanitize_text_field($_POST['user_group_name']);
wp_insert_term($new_group_name, 'user_group');
}
if (isset($_GET['delete_user_group'])) {
$term_id = intval($_GET['delete_user_group']);
wp_delete_term($term_id, 'user_group');
}
// List user groups
$user_groups = get_terms(array('taxonomy' => 'user_group', 'hide_empty' => false));
?>
<div class="wrap">
<h1><?php _e('Manage User Groups', 'text-domain'); ?></h1>
<form method="post">
<?php wp_nonce_field('add_user_group_nonce', 'add_user_group_nonce_field'); ?>
<input type="text" name="user_group_name" />
<input type="submit" value="<?php _e('Add New User Group', 'text-domain'); ?>">
<input type="hidden" name="action" value="add_user_group">
</form>
<ul>
<?php foreach ($user_groups as $group) : ?>
<li>
<?php echo $group->name; ?>
<a href="<?php echo esc_url(add_query_arg('delete_user_group', $group->term_id)); ?>" class="delete-user-group"><?php _e('Delete', 'text-domain'); ?></a>
</li>
<?php endforeach; ?>
</ul>
</div>
<?php
wp_enqueue_script('my-custom-script', plugin_dir_url(__FILE__) . 'js/my-custom-script.js', array('jquery'), null, true);
}
// Add user groups to user profile
function custom_user_group_profile_fields($user)
{
// Check for user capabilities
if (!current_user_can('assign_user_groups')) return;
// Get all the available user groups
$groups = get_terms('user_group', array('hide_empty' => false));
// If there is a WP_Error, let's log it and return early
if (is_wp_error($groups)) {
error_log('Failed to get user groups: ' . $groups->get_error_message());
return;
}
// Get the user's saved group
$user_groups = get_user_meta($user->ID, 'user_groups', true);
if (!is_array($user_groups)) {
$user_groups = array($user_groups); // Ensure $user_groups is always an array
}
// Debugging
error_log('User Groups: ' . print_r($user_groups, true));
?>
<h3><?php esc_html_e('User Groups', 'text-domain'); ?></h3>
<table class="form-table">
<tr>
<th><label for="user_groups"><?php esc_html_e('Groups', 'text-domain'); ?></label></th>
<td>
<?php
// Get all the available user groups
$groups = get_terms('user_group', array('hide_empty' => false));
?>
<select multiple name="user_groups[]" id="user_groups" style="width:100%;max-width:25em;">
<?php foreach ($groups as $group) : ?>
<option value="<?php echo esc_attr($group->term_id); ?>" <?php if (in_array($group->term_id, $user_groups)) echo 'selected="selected"'; ?>>
<?php echo esc_html($group->name); ?>
</option>
<?php endforeach; ?>
</select>
<span class="description"><?php esc_html_e('Select the user group.', 'text-domain'); ?></span>
</td>
</tr>
</table>
<?php
}
add_action('show_user_profile', 'custom_user_group_profile_fields');
add_action('edit_user_profile', 'custom_user_group_profile_fields');
// Function to add user groups to user profile
function save_user_groups($user_id)
{
// Assume that the form will send an array of group IDs named 'user_groups'
if (isset($_POST['user_groups'])) {
$user_groups = array_map('sanitize_text_field', $_POST['user_groups']);
update_user_meta($user_id, 'user_groups', $user_groups);
}
}
add_action('personal_options_update', 'save_user_groups');
add_action('edit_user_profile_update', 'save_user_groups');
function video_category_add_group_field()
{
// This function generates the form fields for adding a new video category
?>
<div class="form-field">
<label for="video-category-group"><?php _e('User Groups Access', 'text-domain'); ?></label>
<select name="video_category_group[]" id="video-category-group" multiple>
<?php
$groups = get_terms('user_group', array('hide_empty' => false));
foreach ($groups as $group) :
?>
<option value="<?php echo esc_attr($group->term_id); ?>">
<?php echo esc_html($group->name); ?>
</option>
<?php endforeach; ?>
</select>
<p class="description"><?php _e('Select the user groups that should have access to this category.', 'text-domain'); ?></p>
</div>
<?php
}
add_action('video_category_add_form_fields', 'video_category_add_group_field');
// Function to display user groups field for video category
function video_category_edit_group_field($term)
{
$term_id = $term->term_id;
$assigned_groups = get_term_meta($term_id, 'assigned_user_groups', true);
if (!is_array($assigned_groups)) {
$assigned_groups = array();
}
?>
<tr class="form-field">
<th scope="row" valign="top"><label for="video-category-group"><?php _e('User Groups Access', 'text-domain'); ?></label></th>
<td>
<select name="video_category_group[]" id="video-category-group" multiple>
<?php
$groups = get_terms('user_group', array('hide_empty' => false));
foreach ($groups as $group) :
?>
<option value="<?php echo esc_attr($group->term_id); ?>" <?php echo in_array($group->term_id, $assigned_groups) ? 'selected' : ''; ?>>
<?php echo esc_html($group->name); ?>
</option>
<?php endforeach; ?>
</select>
<p class="description"><?php _e('Select the user groups that should have access to this category.', 'text-domain'); ?></p>
</td>
</tr>
<?php
}
add_action('video_category_edit_form_fields', 'video_category_edit_group_field');
// Function to save user groups for video category
function save_video_category_group($term_id)
{
if (isset($_POST['video_category_group'])) {
$group_ids = array_map('intval', $_POST['video_category_group']);
update_term_meta($term_id, 'assigned_user_groups', $group_ids);
}
}
add_action('created_video_category', 'save_video_category_group');
add_action('edited_video_category', 'save_video_category_group');
// Shortcode to display videos based on user group
function display_videos_shortcode($atts) {
// Ensure a user is logged in
$user_id = get_current_user_id();
if (!$user_id) {
return 'You must be logged in to view videos.';
}
// Retrieves the user's groups
$user_groups = get_user_meta($user_id, 'user_groups', true);
if (empty($user_groups)) {
return 'You are not assigned to any user groups.';
}
// Fetches the categories that match the assigned user groups
$category_query_args = array(
'taxonomy' => 'video_category',
'hide_empty' => false
);
$categories = get_terms($category_query_args);
// Checks if no categories were found, returns a message
if (empty($categories) || is_wp_error($categories)) {
return 'No video categories found.';
}
// Initialize the output string
$output = '<div class="video-categories">';
// Pagination variables
$videos_per_page = 10; // Number of videos to display per page
$paged = get_query_var('paged') ? get_query_var('paged') : 1; // Current page number
// Loop through each category and get the associated user groups
foreach ($categories as $category) {
// Get the associated user groups for this category
$assigned_groups = get_term_meta($category->term_id, 'assigned_user_groups', true);
$matching_groups = array_intersect($assigned_groups, $user_groups);
if (!empty($matching_groups)) {
$output .= '<div class="video-category">';
$output .= '<h3>' . esc_html($category->name) . '</h3>'; // Category name
// Set up the query for the videos within the category
$video_query_args = array(
'post_type' => 'video_gallery',
'posts_per_page' => $videos_per_page,
'paged' => $paged,
'tax_query' => array(
array(
'taxonomy' => 'video_category',
'field' => 'term_id',
'terms' => $category->term_id,
),
),
);
// Execute the query
$video_query = new WP_Query($video_query_args);
// Check if the category has any videos
if ($video_query->have_posts()) {
// Loop through the videos and display them
while ($video_query->have_posts()) {
$video_query->the_post();
// Your markup for displaying the video details
$output .= '<div class="video">';
$output .= '<a href="' . get_post_permalink() . '"><h4>' . get_the_title() . '</h4></a>';
$output .= output_video_html(get_the_ID());
$output .= '</div>';
}
// Pagination
$pagination_args = array(
'base' => get_pagenum_link(1) . '%_%',
'format' => 'page/%#%',
'current' => $paged,
'total' => $video_query->max_num_pages,
);
$pagination = paginate_links($pagination_args);
if ($pagination) {
$output .= '<div class="pagination">' . $pagination . '</div>';
}
// Reset post data to the default query
wp_reset_postdata();
} else {
$output .= '<p>No videos available in this category.</p>';
}
$output .= '</div>'; // Close the video-category div
}
}
$output .= '</div>'; // Close the wrap div
return $output;
}
add_shortcode('display_videos', 'display_videos_shortcode');
// Function to display video embed code above the text content
function add_video_above_content() {
// Get the text content
$content = get_the_content();
// Check if we are on the single post page for the 'video_gallery' post type
if (is_singular('video_gallery')) {
// Fetch the video embed code from a custom field
$video_embed_html = get_post_meta(get_the_ID(), 'video_embed_html', true);
// Ensure $video_embed_html is not null
if (!empty($video_embed_html)) {
// Prepend the video embed HTML to the content being filtered
$content = '<div class="video-embed">' . wp_kses_post($video_embed_html) . '</div>' . $content;
}
}
// Return the possibly modified content
return $content;
}
// Assuming your theme has a 'the_content' hook, replace with actual hook name if different
add_action('the_content', 'add_video_above_content', 10);
// Function to add video embed code meta box to video gallery post type
function add_video_embed_meta_box()
{
add_meta_box(
'video_embed_code', // ID of the meta box
'Video Embed Code', // Title of the meta box
'video_embed_html_meta_box_callback', // Callback function
'video_gallery', // Post type
'normal', // Context where the box should show
'high' // Priority within the context
);
}
add_action('add_meta_boxes', 'add_video_embed_meta_box');
// Function to output video embed code meta box
function video_embed_html_meta_box_callback($post)
{
// Add a nonce field so we can check for it later.
wp_nonce_field('video_embed_code_nonce', 'video_embed_code_nonce_field');
// Get the current value if any
$embed_code = get_post_meta($post->ID, 'video_embed_html', true);
// Echo out the field
echo '<textarea id="video_embed_html" name="video_embed_html" rows="4" cols="50" class="widefat">' . esc_textarea($embed_code) . '</textarea>';
}
// Function to save video embed code meta box
function save_video_embed_code($post_id)
{
// Check if our nonce is set.
if (!isset($_POST['video_embed_code_nonce_field'])) {
return;
}
// Verify that the nonce is valid.
if (!wp_verify_nonce($_POST['video_embed_code_nonce_field'], 'video_embed_code_nonce')) {
return;
}
// If this is an autosave, our form has not been submitted, so we don't want to do anything.
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
// Check the user's permissions.
if (isset($_POST['post_type']) && 'video_gallery' == $_POST['post_type']) {
if (!current_user_can('edit_post', $post_id)) {
return;
}
}
// Make sure that it is set.
if (!isset($_POST['video_embed_html'])) {
return;
}
// Sanitize and save the input
$embed_code = wp_kses_post($_POST['video_embed_html']);
update_post_meta($post_id, 'video_embed_html', $embed_code);
}
add_action('save_post', 'save_video_embed_code');
// Enqueue necessary scripts and styles (if any)
function enqueue_plugin_scripts_and_styles()
{
// Example of including a CSS file
// wp_enqueue_style('video-gallery-style', plugins_url('/css/style.css', __FILE__));
}
add_action('wp_enqueue_scripts', 'enqueue_plugin_scripts_and_styles');
// Activation and Deactivation hooks
function plugin_activation()
{
register_video_gallery_cpt();
register_video_gallery_taxonomies();
flush_rewrite_rules();
}
register_activation_hook(__FILE__, 'plugin_activation');
function add_group_assignment_capability() {
// Get the administrator role
$admin_role = get_role('administrator');
// Add a new capability for group assignment
$admin_role->add_cap('assign_user_groups', true);
}
register_activation_hook(__FILE__, 'add_group_assignment_capability');
function plugin_deactivation()
{
flush_rewrite_rules();
}
register_deactivation_hook(__FILE__, 'plugin_deactivation');
function remove_group_assignment_capability() {
// Get the administrator role
$admin_role = get_role('administrator');
// Remove the capability for group assignment
$admin_role->remove_cap('assign_user_groups');
}
register_deactivation_hook(__FILE__, 'remove_group_assignment_capability');
// Function to allow iframe tags in posts
function custom_allow_iframe_tags_in_posts($allowedposttags)
{
$allowedposttags['iframe'] = array(
'align' => true,
'width' => true,
'height' => true,
'frameborder' => true,
'name' => true,
'src' => true,
'id' => true,
'class' => true,
'style' => true,
'scrolling' => true,
'marginwidth' => true,
'marginheight' => true,
'allowfullscreen' => true,
'sandbox' => true,
'title' => true
);
return $allowedposttags;
}
add_filter('wp_kses_allowed_html', 'custom_allow_iframe_tags_in_posts', 1);