teilzeitladen-webshop/wp-content/themes/teilzeitladen-theme/functions.php

<?php
/**
 * Teilzeitladen Theme Functions
 *
 * @package Teilzeitladen
 */

// Prevent direct access
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * Theme version
 */
define( 'TEILZEITLADEN_VERSION', '1.0.0' );

/**
 * Enqueue scripts and styles
 */
function teilzeitladen_scripts() {
    // Google Fonts
    wp_enqueue_style( 
        'teilzeitladen-fonts', 
        'https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Playfair+Display:wght@400;600&display=swap', 
        array(), 
        null 
    );
    
    // Theme stylesheet
    wp_enqueue_style( 
        'teilzeitladen-style', 
        get_stylesheet_uri(), 
        array(), 
        TEILZEITLADEN_VERSION 
    );
    
    // Custom scripts
    wp_enqueue_script( 
        'teilzeitladen-scripts', 
        get_template_directory_uri() . '/js/main.js', 
        array('jquery'), 
        TEILZEITLADEN_VERSION, 
        true 
    );
}
add_action( 'wp_enqueue_scripts', 'teilzeitladen_scripts' );

/**
 * Theme setup
 */
function teilzeitladen_setup() {
    // Add theme support
    add_theme_support( 'title-tag' );
    add_theme_support( 'post-thumbnails' );
    add_theme_support( 'woocommerce' );
    add_theme_support( 'html5', array( 'search-form', 'comment-form', 'comment-list', 'gallery', 'caption' ) );
    
    // Register menus
    register_nav_menus( array(
        'primary' => __( 'Primary Menu', 'teilzeitladen' ),
        'footer'  => __( 'Footer Menu', 'teilzeitladen' ),
    ) );
    
    // Image sizes
    add_image_size( 'product-card', 400, 400, true );
    add_image_size( 'hero', 1920, 600, true );
}
add_action( 'after_setup_theme', 'teilzeitladen_setup' );

/**
 * WooCommerce support
 */
function teilzeitladen_woocommerce_setup() {
    add_theme_support( 'woocommerce' );
    add_theme_support( 'wc-product-gallery-zoom' );
    add_theme_support( 'wc-product-gallery-lightbox' );
    add_theme_support( 'wc-product-gallery-slider' );
}
add_action( 'after_setup_theme', 'teilzeitladen_woocommerce_setup' );

/**
 * Custom excerpt length
 */
function teilzeitladen_excerpt_length( $length ) {
    return 20;
}
add_filter( 'excerpt_length', 'teilzeitladen_excerpt_length', 999 );

/**
 * Notice Banner (Admin controlled)
 */
function teilzeitladen_notice_banner() {
    $notice_text = get_theme_mod( 'teilzeitladen_notice_text', '' );
    $notice_link = get_theme_mod( 'teilzeitladen_notice_link', '' );
    $notice_enabled = get_theme_mod( 'teilzeitladen_notice_enabled', false );
    
    if ( $notice_enabled && ! empty( $notice_text ) ) :
    ?>
    <div class="notice-banner">
        <div class="container">
            <?php if ( ! empty( $notice_link ) ) : ?>
                <a href="<?php echo esc_url( $notice_link ); ?>"><?php echo esc_html( $notice_text ); ?></a>
            <?php else : ?>
                <?php echo esc_html( $notice_text ); ?>
            <?php endif; ?>
        </div>
    </div>
    <?php
    endif;
}

/**
 * Customizer settings
 */
function teilzeitladen_customize_register( $wp_customize ) {
    // Notice Banner Section
    $wp_customize->add_section( 'teilzeitladen_notice', array(
        'title'    => __( 'Notice Banner', 'teilzeitladen' ),
        'priority' => 30,
    ) );
    
    $wp_customize->add_setting( 'teilzeitladen_notice_enabled', array(
        'default'           => false,
        'sanitize_callback' => 'wp_validate_boolean',
    ) );
    
    $wp_customize->add_control( 'teilzeitladen_notice_enabled', array(
        'label'   => __( 'Enable Notice Banner', 'teilzeitladen' ),
        'section' => 'teilzeitladen_notice',
        'type'    => 'checkbox',
    ) );
    
    $wp_customize->add_setting( 'teilzeitladen_notice_text', array(
        'default'           => '',
        'sanitize_callback' => 'sanitize_text_field',
    ) );
    
    $wp_customize->add_control( 'teilzeitladen_notice_text', array(
        'label'   => __( 'Notice Text', 'teilzeitladen' ),
        'section' => 'teilzeitladen_notice',
        'type'    => 'text',
    ) );
    
    $wp_customize->add_setting( 'teilzeitladen_notice_link', array(
        'default'           => '',
        'sanitize_callback' => 'esc_url_raw',
    ) );
    
    $wp_customize->add_control( 'teilzeitladen_notice_link', array(
        'label'   => __( 'Notice Link (optional)', 'teilzeitladen' ),
        'section' => 'teilzeitladen_notice',
        'type'    => 'url',
    ) );
}
add_action( 'customize_register', 'teilzeitladen_customize_register' );

/**
 * Disable admin bar for non-admins
 */
function teilzeitladen_disable_admin_bar() {
    if ( ! current_user_can( 'administrator' ) && ! is_admin() ) {
        show_admin_bar( false );
    }
}
add_action( 'after_setup_theme', 'teilzeitladen_disable_admin_bar' );