'Amino Acid Sequence', 'psa_molecular_weight' => 'Molecular Weight', 'psa_molecular_formula' => 'Molecular Formula', 'psa_aliases' => 'Aliases / Synonyms', 'psa_mechanism' => 'Mechanism of Action', 'psa_research_apps' => 'Research Applications', 'psa_safety_profile' => 'Safety & Side Effects', 'psa_dosage_info' => 'Dosage Information', 'psa_references' => 'References & Citations', 'psa_source' => 'Data Source', 'psa_pubchem_cid' => 'PubChem CID', ); /** * Register admin-only hooks (meta boxes, save). */ public static function init_admin() { add_action( 'add_meta_boxes', array( __CLASS__, 'add_meta_boxes' ) ); add_action( 'save_post_peptide', array( __CLASS__, 'save_meta' ) ); } /** * Register the peptide CPT. */ public static function register_peptide_post_type() { if ( post_type_exists( 'peptide' ) ) { return; } $labels = array( 'name' => 'Peptides', 'singular_name' => 'Peptide', 'menu_name' => 'Peptides', 'add_new' => 'Add Peptide', 'add_new_item' => 'Add New Peptide', 'edit_item' => 'Edit Peptide', 'new_item' => 'New Peptide', 'view_item' => 'View Peptide', 'search_items' => 'Search Peptides', 'not_found' => 'No peptides found', 'not_found_in_trash' => 'No peptides found in Trash', ); register_post_type( 'peptide', array( 'labels' => $labels, 'public' => true, 'has_archive' => true, 'rewrite' => array( 'slug' => 'peptides' ), 'supports' => array( 'title', 'editor', 'thumbnail', 'excerpt' ), 'menu_icon' => 'dashicons-database', 'show_in_rest' => true, 'capability_type' => 'post', 'hierarchical' => false, ) ); } /** * Add meta boxes to the peptide editor. */ public static function add_meta_boxes() { add_meta_box( 'psa_peptide_data', 'Peptide Scientific Data', array( __CLASS__, 'render_meta_box' ), 'peptide', 'normal', 'high' ); } /** * Render the meta box fields. * * @param WP_Post $post The current post object. */ public static function render_meta_box( $post ) { wp_nonce_field( 'psa_save_meta', 'psa_meta_nonce' ); $textarea_fields = array( 'psa_sequence', 'psa_mechanism', 'psa_research_apps', 'psa_safety_profile', 'psa_dosage_info', 'psa_references', ); echo ''; foreach ( self::META_FIELDS as $key => $label ) { $value = get_post_meta( $post->ID, $key, true ); echo ''; echo ''; echo ''; } echo '

' . esc_html( $label ) . '

'; if ( $key === 'psa_source' ) { $options = array( '' => '— Select —', 'ai-generated' => 'AI Generated', 'pubchem' => 'PubChem Verified', 'manual' => 'Manual Entry', 'pending' => 'Pending Generation', ); echo ''; foreach ( $options as $opt_val => $opt_label ) { echo '' . esc_html( $opt_label ) . ''; } echo ''; } elseif ( in_array( $key, $textarea_fields, true ) ) { echo '' . esc_textarea( $value ) . ''; } else { echo ''; } echo '

'; } /** * Save meta field values. * * @param int $post_id The post ID. */ public static function save_meta( $post_id ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput if ( ! isset( $_POST['psa_meta_nonce'] ) || ! wp_verify_nonce( wp_unslash( $_POST['psa_meta_nonce'] ), 'psa_save_meta' ) ) { return; } if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; } if ( ! current_user_can( 'edit_post', $post_id ) ) { return; } foreach ( self::META_FIELDS as $key => $label ) { if ( isset( $_POST[ $key ] ) ) { $value = sanitize_textarea_field( wp_unslash( $_POST[ $key ] ) ); update_post_meta( $post_id, $key, $value ); } } } }