immich-wordpress.php

<?php
/*
Plugin Name: Immich Server Integration
Description: Connects WordPress to an Immich server to browse and import your photo library.
Version: 2.0.0
Author: Example
*/

if (!defined('ABSPATH')) {
    exit;
}

// Basic plugin constants
define('IMMICH_WP_VERSION', '2.0.0');
define('IMMICH_WP_URL', plugin_dir_url(__FILE__));

// Option keys
const IMMICH_OPTION = 'immich_wp_settings';

/**
 * Retrieve plugin settings with defaults.
 */
function immich_wp_get_settings() {
    $defaults = array(
        'server_url' => '',
        'email'      => '',
        'password'   => '',
    );
    $settings = get_option(IMMICH_OPTION, array());
    return wp_parse_args($settings, $defaults);
}

/**
 * Store plugin settings.
 */
function immich_wp_save_settings($settings) {
    update_option(IMMICH_OPTION, $settings);
}

/**
 * Get an authentication token from Immich using the stored credentials.
 */
function immich_wp_get_token($force = false) {
    $token = get_transient('immich_wp_token');
    if (!$force && $token) {
        return $token;
    }

    $settings = immich_wp_get_settings();
    if (empty($settings['server_url']) || empty($settings['email']) || empty($settings['password'])) {
        return '';
    }

    $url = rtrim($settings['server_url'], '/') . '/api/auth/login';
    $response = wp_remote_post($url, array(
        'headers' => array('Content-Type' => 'application/json'),
        'body'    => wp_json_encode(array(
            'email'    => $settings['email'],
            'password' => $settings['password'],
        )),
        'timeout' => 15,
    ));

    if (is_wp_error($response)) {
        return '';
    }

    $code = wp_remote_retrieve_response_code($response);
    $body = json_decode(wp_remote_retrieve_body($response), true);
    if ($code !== 200 || empty($body['accessToken'])) {
        return '';
    }

    set_transient('immich_wp_token', $body['accessToken'], HOUR_IN_SECONDS);
    return $body['accessToken'];
}

/**
 * Fetch a list of assets from Immich.
 */
function immich_wp_get_assets() {
    $token = immich_wp_get_token();
    if (!$token) return array();

    $settings = immich_wp_get_settings();
    $url = rtrim($settings['server_url'], '/') . '/api/assets';
    $response = wp_remote_get($url, array(
        'headers' => array('Authorization' => 'Bearer ' . $token),
        'timeout' => 15,
    ));

    if (is_wp_error($response)) {
        return array();
    }

    $code = wp_remote_retrieve_response_code($response);
    $body = json_decode(wp_remote_retrieve_body($response), true);
    if ($code !== 200 || !is_array($body)) {
        return array();
    }
    return $body;
}

/**
 * Render the settings page.
 */
function immich_wp_settings_page() {
    if (!current_user_can('manage_options')) {
        return;
    }

    if (isset($_POST['immich_save'])) {
        check_admin_referer('immich_save_settings');
        $settings = array(
            'server_url' => esc_url_raw($_POST['server_url']),
            'email'      => sanitize_email($_POST['email']),
            'password'   => sanitize_text_field($_POST['password']),
        );
        immich_wp_save_settings($settings);
        echo '<div class="updated"><p>Settings saved.</p></div>';
    }

    $settings = immich_wp_get_settings();
    ?>
    <div class="wrap immich-admin-page">
        <h1>Immich Server Integration</h1>
        <h2 class="nav-tab-wrapper">
            <a href="#basic" class="nav-tab nav-tab-active">Basic Settings</a>
        </h2>
        <div id="basic" class="tab-content">
            <form method="post">
                <?php wp_nonce_field('immich_save_settings'); ?>
                <table class="form-table" role="presentation">
                    <tr>
                        <th scope="row"><label for="server_url">Server URL</label></th>
                        <td><input name="server_url" type="url" id="server_url" value="<?php echo esc_attr($settings['server_url']); ?>" class="regular-text" placeholder="https://example.com" required></td>
                    </tr>
                    <tr>
                        <th scope="row"><label for="email">Email</label></th>
                        <td><input name="email" type="email" id="email" value="<?php echo esc_attr($settings['email']); ?>" class="regular-text" required></td>
                    </tr>
                    <tr>
                        <th scope="row"><label for="password">Password</label></th>
                        <td><input name="password" type="password" id="password" value="<?php echo esc_attr($settings['password']); ?>" class="regular-text" required></td>
                    </tr>
                </table>
                <?php submit_button('Save Changes', 'primary', 'immich_save'); ?>
            </form>

            <?php if (!empty($settings['server_url']) && !empty($settings['email']) && !empty($settings['password'])) : ?>
            <div class="card immich-connection-test">
                <h2>Connection Test</h2>
                <p>Verify your settings by connecting to the Immich server.</p>
                <button id="immich-test-connection" class="button button-secondary">Test Connection</button>
                <div id="immich-connection-result" class="notice" style="display:none"></div>
            </div>
            <?php endif; ?>

            <div class="card immich-info">
                <h2>Plugin Information</h2>
                <p>This plugin connects WordPress to your Immich server so you can browse and import your media library.</p>
            </div>
        </div>
    </div>
    <?php
}

/**
 * Display a simple library page with thumbnails.
 */
function immich_wp_library_page() {
    if (!current_user_can('upload_files')) {
        return;
    }

    $assets = immich_wp_get_assets();
    echo '<div class="wrap"><h1>Immich Library</h1><div style="display:flex;flex-wrap:wrap">';
    foreach ($assets as $asset) {
        if (empty($asset['id'])) continue;
        $thumb = rtrim(immich_wp_get_settings()['server_url'], '/') . '/api/assets/' . $asset['id'] . '/thumbnail?key=' . immich_wp_get_token();
        echo '<img src="' . esc_url($thumb) . '" style="width:150px;height:150px;object-fit:cover;margin:5px" />';
    }
    echo '</div></div>';
}

/**
 * Enqueue assets for the settings page.
 */
function immich_wp_admin_assets($hook) {
    if ($hook !== 'settings_page_immich-settings') {
        return;
    }
    wp_enqueue_style('immich-admin', IMMICH_WP_URL . 'assets/css/admin.css', array(), IMMICH_WP_VERSION);
    wp_enqueue_script('immich-admin', IMMICH_WP_URL . 'assets/js/admin.js', array('jquery'), IMMICH_WP_VERSION, true);
    wp_localize_script('immich-admin', 'immich_admin', array(
        'nonce' => wp_create_nonce('immich_test_connection'),
    ));
}
add_action('admin_enqueue_scripts', 'immich_wp_admin_assets');

/**
 * AJAX handler to test Immich connection.
 */
function immich_wp_ajax_test_connection() {
    check_ajax_referer('immich_test_connection', 'nonce');
    $token = immich_wp_get_token(true);
    if ($token) {
        wp_send_json_success(array('message' => 'Connection successful!'));
    } else {
        wp_send_json_error(array('message' => 'Connection failed.'));
    }
}
add_action('wp_ajax_immich_test_connection', 'immich_wp_ajax_test_connection');

/**
 * Add menu items.
 */
function immich_wp_admin_menu() {
    add_options_page('Immich Settings', 'Immich', 'manage_options', 'immich-settings', 'immich_wp_settings_page');
    add_media_page('Immich Library', 'Immich Library', 'upload_files', 'immich-library', 'immich_wp_library_page');
}
add_action('admin_menu', 'immich_wp_admin_menu');

?>