qdr.app.woo.plugins/studiou-wc-free-photo-product/includes/class-studiou-wc-fpp-product.php

<?php
if (!defined('WPINC')) {
    die;
}

class Studiou_WC_FPP_Product {

    public function __construct() {
        // Add product data tab
        add_filter('woocommerce_product_data_tabs', array($this, 'add_product_data_tab'));
        add_action('woocommerce_product_data_panels', array($this, 'add_product_data_panel'));
        add_action('woocommerce_process_product_meta', array($this, 'save_product_meta'));

        // AJAX for adding new media category from product edit page
        add_action('wp_ajax_studiou_wcfpp_add_media_category', array($this, 'ajax_add_media_category'));
    }

    public function add_product_data_tab($tabs) {
        $tabs['studiou_fpp'] = array(
            'label'    => __('Free Photo', 'studiou-wc-free-photo-product'),
            'target'   => 'studiou_fpp_product_data',
            'class'    => array('show_if_variable'),
            'priority' => 80,
        );
        return $tabs;
    }

    public function add_product_data_panel() {
        global $post;
        $product_id = $post->ID;

        $enabled = get_post_meta($product_id, '_studiou_fpp_enabled', true);
        $media_category = get_post_meta($product_id, '_studiou_fpp_media_category', true);
        $max_file_size = get_post_meta($product_id, '_studiou_fpp_max_file_size', true);
        $upload_info_text = get_post_meta($product_id, '_studiou_fpp_upload_info_text', true);
        $min_width = get_post_meta($product_id, '_studiou_fpp_min_width', true);
        $min_height = get_post_meta($product_id, '_studiou_fpp_min_height', true);
        $max_width = get_post_meta($product_id, '_studiou_fpp_max_width', true);
        $max_height = get_post_meta($product_id, '_studiou_fpp_max_height', true);

        if (empty($max_file_size)) {
            $max_file_size = 50;
        }

        $categories = get_terms(array(
            'taxonomy'   => 'studiou_media_category',
            'hide_empty' => false,
        ));
        if (is_wp_error($categories)) {
            $categories = array();
        }
        ?>
        <div id="studiou_fpp_product_data" class="panel woocommerce_options_panel">
            <div class="options_group">
                <?php
                woocommerce_wp_checkbox(array(
                    'id'          => '_studiou_fpp_enabled',
                    'label'       => __('Enable Free Photo', 'studiou-wc-free-photo-product'),
                    'description' => __('Enable custom photo upload for this product', 'studiou-wc-free-photo-product'),
                    'value'       => $enabled,
                ));
                ?>
            </div>

            <div class="options_group">
                <p class="form-field _studiou_fpp_media_category_field">
                    <label for="_studiou_fpp_media_category"><?php esc_html_e('Media Category', 'studiou-wc-free-photo-product'); ?></label>
                    <select id="_studiou_fpp_media_category" name="_studiou_fpp_media_category" class="select short">
                        <option value=""><?php esc_html_e('— Select category —', 'studiou-wc-free-photo-product'); ?></option>
                        <?php foreach ($categories as $cat) : ?>
                            <option value="<?php echo esc_attr($cat->term_id); ?>" <?php selected($media_category, $cat->term_id); ?>>
                                <?php echo esc_html($cat->name); ?>
                            </option>
                        <?php endforeach; ?>
                    </select>
                    <button type="button" class="button studiou-fpp-add-media-cat-btn" title="<?php esc_attr_e('Add New Category', 'studiou-wc-free-photo-product'); ?>">+</button>
                    <?php echo wc_help_tip(__('Uploaded files will be assigned to this media category.', 'studiou-wc-free-photo-product')); ?>
                </p>

                <div class="studiou-fpp-new-media-cat-form" style="display:none;">
                    <p class="form-field">
                        <label for="studiou_fpp_new_cat_name"><?php esc_html_e('New Category Name', 'studiou-wc-free-photo-product'); ?></label>
                        <input type="text" id="studiou_fpp_new_cat_name" class="short" />
                        <button type="button" class="button studiou-fpp-save-media-cat-btn"><?php esc_html_e('Add', 'studiou-wc-free-photo-product'); ?></button>
                        <button type="button" class="button studiou-fpp-cancel-media-cat-btn"><?php esc_html_e('Cancel', 'studiou-wc-free-photo-product'); ?></button>
                    </p>
                </div>
            </div>

            <div class="options_group">
                <?php
                woocommerce_wp_text_input(array(
                    'id'                => '_studiou_fpp_max_file_size',
                    'label'             => __('Max File Size (MB)', 'studiou-wc-free-photo-product'),
                    'description'       => __('Maximum allowed file size for uploads in megabytes.', 'studiou-wc-free-photo-product'),
                    'desc_tip'          => true,
                    'type'              => 'number',
                    'custom_attributes' => array(
                        'step' => '1',
                        'min'  => '1',
                        'max'  => '500',
                    ),
                    'value'             => $max_file_size,
                ));
                ?>
            </div>

            <div class="options_group">
                <p class="form-field">
                    <label><?php esc_html_e('Min Image Resolution (px)', 'studiou-wc-free-photo-product'); ?></label>
                    <span class="wrap">
                        <input type="number" id="_studiou_fpp_min_width" name="_studiou_fpp_min_width" class="short" style="width:80px;" min="0" step="1" value="<?php echo esc_attr($min_width); ?>" placeholder="<?php esc_attr_e('Width', 'studiou-wc-free-photo-product'); ?>" />
                        &times;
                        <input type="number" id="_studiou_fpp_min_height" name="_studiou_fpp_min_height" class="short" style="width:80px;" min="0" step="1" value="<?php echo esc_attr($min_height); ?>" placeholder="<?php esc_attr_e('Height', 'studiou-wc-free-photo-product'); ?>" />
                    </span>
                    <?php echo wc_help_tip(__('Minimum image resolution in pixels. Leave empty to skip. Width and height are interchangeable (portrait/landscape auto-detected).', 'studiou-wc-free-photo-product')); ?>
                </p>
                <p class="form-field">
                    <label><?php esc_html_e('Max Image Resolution (px)', 'studiou-wc-free-photo-product'); ?></label>
                    <span class="wrap">
                        <input type="number" id="_studiou_fpp_max_width" name="_studiou_fpp_max_width" class="short" style="width:80px;" min="0" step="1" value="<?php echo esc_attr($max_width); ?>" placeholder="<?php esc_attr_e('Width', 'studiou-wc-free-photo-product'); ?>" />
                        &times;
                        <input type="number" id="_studiou_fpp_max_height" name="_studiou_fpp_max_height" class="short" style="width:80px;" min="0" step="1" value="<?php echo esc_attr($max_height); ?>" placeholder="<?php esc_attr_e('Height', 'studiou-wc-free-photo-product'); ?>" />
                    </span>
                    <?php echo wc_help_tip(__('Maximum image resolution in pixels. Leave empty to skip. Width and height are interchangeable (portrait/landscape auto-detected).', 'studiou-wc-free-photo-product')); ?>
                </p>
            </div>

            <div class="options_group">
                <?php
                woocommerce_wp_textarea_input(array(
                    'id'          => '_studiou_fpp_upload_info_text',
                    'label'       => __('Upload Info Text', 'studiou-wc-free-photo-product'),
                    'description' => __('Custom text displayed above the upload area on the product page. Leave empty for default text.', 'studiou-wc-free-photo-product'),
                    'desc_tip'    => true,
                    'value'       => $upload_info_text,
                    'style'       => 'height:80px;',
                ));
                ?>
            </div>

            <div class="options_group">
                <p class="form-field">
                    <label><?php esc_html_e('Shortcode', 'studiou-wc-free-photo-product'); ?></label>
                    <code id="studiou-fpp-shortcode-display">[studiou_free_photo_product id="<?php echo esc_attr($product_id); ?>"]</code>
                    <?php echo wc_help_tip(__('Use this shortcode to display this product with photo upload on any page.', 'studiou-wc-free-photo-product')); ?>
                </p>
            </div>
        </div>
        <?php
    }

    public function save_product_meta($product_id) {
        $enabled = isset($_POST['_studiou_fpp_enabled']) ? 'yes' : 'no';
        update_post_meta($product_id, '_studiou_fpp_enabled', $enabled);

        if (isset($_POST['_studiou_fpp_media_category'])) {
            update_post_meta($product_id, '_studiou_fpp_media_category', absint($_POST['_studiou_fpp_media_category']));
        }

        if (isset($_POST['_studiou_fpp_max_file_size'])) {
            $max_size = absint($_POST['_studiou_fpp_max_file_size']);
            if ($max_size < 1) $max_size = 1;
            if ($max_size > 500) $max_size = 500;
            update_post_meta($product_id, '_studiou_fpp_max_file_size', $max_size);
        }

        if (isset($_POST['_studiou_fpp_upload_info_text'])) {
            update_post_meta($product_id, '_studiou_fpp_upload_info_text', sanitize_textarea_field($_POST['_studiou_fpp_upload_info_text']));
        }

        // Resolution limits (0 or empty = no limit)
        $res_fields = array('_studiou_fpp_min_width', '_studiou_fpp_min_height', '_studiou_fpp_max_width', '_studiou_fpp_max_height');
        foreach ($res_fields as $field) {
            $val = isset($_POST[$field]) ? absint($_POST[$field]) : 0;
            update_post_meta($product_id, $field, $val ?: '');
        }
    }

    public function ajax_add_media_category() {
        check_ajax_referer('studiou-wcfpp-nonce', 'nonce');

        if (!current_user_can('manage_woocommerce')) {
            wp_send_json_error(array('message' => __('Insufficient permissions.', 'studiou-wc-free-photo-product')));
            return;
        }

        $name = isset($_POST['name']) ? sanitize_text_field($_POST['name']) : '';
        if (empty($name)) {
            wp_send_json_error(array('message' => __('Category name is required.', 'studiou-wc-free-photo-product')));
            return;
        }

        $term = wp_insert_term($name, 'studiou_media_category');
        if (is_wp_error($term)) {
            wp_send_json_error(array('message' => $term->get_error_message()));
            return;
        }

        wp_send_json_success(array(
            'term_id' => $term['term_id'],
            'name'    => $name,
        ));
    }

    public static function is_fpp_product($product_id) {
        return get_post_meta($product_id, '_studiou_fpp_enabled', true) === 'yes';
    }

    public static function get_product_max_file_size($product_id) {
        $size = get_post_meta($product_id, '_studiou_fpp_max_file_size', true);
        return !empty($size) ? (int) $size : 50;
    }

    public static function get_product_upload_info_text($product_id) {
        return get_post_meta($product_id, '_studiou_fpp_upload_info_text', true);
    }

    public static function get_product_media_category($product_id) {
        return (int) get_post_meta($product_id, '_studiou_fpp_media_category', true);
    }

    /**
     * Get resolution limits for a product.
     * Returns array with min_width, min_height, max_width, max_height (0 = no limit).
     */
    public static function get_product_resolution_limits($product_id) {
        return array(
            'min_width'  => (int) get_post_meta($product_id, '_studiou_fpp_min_width', true),
            'min_height' => (int) get_post_meta($product_id, '_studiou_fpp_min_height', true),
            'max_width'  => (int) get_post_meta($product_id, '_studiou_fpp_max_width', true),
            'max_height' => (int) get_post_meta($product_id, '_studiou_fpp_max_height', true),
        );
    }
}