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<?php |
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|
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class AF_Admin_Forms_Import { |
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function __construct() { |
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add_action( 'admin_menu', array( $this, 'register_admin_page' ), 5, 0 ); |
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add_action( 'admin_init', array( $this, 'import_json_file' ), 10, 0 ); |
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add_filter( 'admin_title', array( $this, 'fix_admin_title' ), 10, 2 ); |
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} |
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|
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/** |
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* Register hidden admin page for form import. |
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* |
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* @since 1.7.0 |
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* |
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*/ |
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function register_admin_page() { |
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// By using add_submenu_page without a parent the page won't be shown in the admin menu. |
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add_submenu_page( 'edit.php?post_type=af_form', __( 'Import form', 'advanced-forms '), __( 'Import', 'advanced-forms' ), 'edit_pages', 'af_import_form', array( $this, 'import_form' ) ); |
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} |
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|
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|
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/** |
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* Display form import page. |
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* |
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* @since 1.7.0 |
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* |
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*/ |
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function import_form() { |
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?> |
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<div class="af-form-import wrap"> |
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<h1><?php _e( 'Import form', 'advanced-forms' ); ?></h1> |
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<hr class="wp-header-end" /> |
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|
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<div id="poststuff" class="af-postbox-wrapper"> |
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<div class="postbox af-postbox-left"> |
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<h2 class="hndle"><span>Import JSON file</span></h2> |
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<div class="inside"> |
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<form method="post" enctype="multipart/form-data"> |
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<?php wp_nonce_field( 'af_import_form', 'af_import_nonce' ); ?> |
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<p> |
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<?php _e( 'Select the form JSON file you would like to import. If a form with the same key already exists it will be overwritten.', 'advanced-forms' ); ?> |
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</p> |
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|
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<div class="acf-fields"> |
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<?php |
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acf_render_field_wrap(array( |
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'label' => __( 'Select File', 'advanced-forms' ), |
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'type' => 'file', |
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'name' => 'af_import_json_file', |
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'value' => false, |
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'uploader' => 'basic', |
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)); |
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?> |
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</div> |
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|
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<input type="submit" class="button button-primary" name="af_import_json" value="<?php _e( 'Import File', 'advanced-forms' ); ?>" /> |
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</form> |
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</div> |
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</div> |
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</div> |
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</div> |
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<?php |
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} |
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|
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|
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function import_json_file() { |
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if ( ! isset( $_POST['af_import_json'] ) ) { |
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return; |
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} |
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|
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// Only users who can manage forms may import. This also guards against |
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// unauthenticated requests, since admin_init fires on admin-post.php. |
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if ( ! current_user_can( 'edit_pages' ) ) { |
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wp_die( |
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__( 'You do not have sufficient permissions to import forms.', 'advanced-forms' ), |
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__( 'Error: Insufficient permissions', 'advanced-forms' ), |
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array( 'back_link' => true ) |
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); |
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} |
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|
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// Verify the nonce rendered on the import page. |
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$nonce = isset( $_POST['af_import_nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['af_import_nonce'] ) ) : ''; |
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if ( ! wp_verify_nonce( $nonce, 'af_import_form' ) ) { |
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wp_die( |
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__( 'Form could not be imported due to a missing or invalid nonce.', 'advanced-forms' ), |
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__( 'Error: Invalid nonce', 'advanced-forms' ), |
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array( 'back_link' => true ) |
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); |
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} |
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|
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if ( empty( $_FILES['af_import_json_file']['size'] ) ) { |
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return acf_add_admin_notice( __( 'No files selected', 'advanced-forms' ) ); |
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} |
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|
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$file = $_FILES['af_import_json_file']; |
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$json = file_get_contents( $file['tmp_name'] ); |
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$json = json_decode( $json, true ); |
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|
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// Bail if the uploaded file isn't a JSON object describing a form. |
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if ( ! is_array( $json ) || empty( $json['key'] ) ) { |
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return acf_add_admin_notice( __( 'The selected file is not a valid form export.', 'advanced-forms' ) ); |
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} |
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|
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$post = af_import_form( $json ); |
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if ( $post ) { |
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/* translators: The ACF field key */ |
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$message = sprintf( __( 'Form with key %s imported.', 'advanced-forms' ), $json['key'] ); |
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$link = sprintf( '<a href="%s">%s</a>', get_edit_post_link( $post ), __( 'Edit form', 'advanced-forms' ) ); |
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acf_add_admin_notice( $message . ' ' . $link, 'success' ); |
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} else { |
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acf_add_admin_notice( __( 'Failed to import form', 'advanced-forms' ) ); |
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} |
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} |
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|
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/** |
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* Wordpress won't display a page title, probably because of the submenu hack in register_admin_page. |
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* This function is hooked to the admin_title filter and fixes the issue. |
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* |
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* @since 1.6.5 |
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* |
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*/ |
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function fix_admin_title( $admin_title, $title ) { |
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if ( get_current_screen()->id != 'admin_page_af_import_form' ) { |
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return $admin_title; |
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} |
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|
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return __( 'Import form', 'advanced-forms' ) . $admin_title; |
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} |
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|
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} |
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|
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return new AF_Admin_Forms_Import(); |
