functions.php

<?php
/**
 * Esteem functions related to defining constants, adding files and WordPress core functionality.
 *
 * Defining some constants, loading all the required files and Adding some core functionality.
 *
 * @uses       add_theme_support() To add support for post thumbnails and automatic feed links.
 * @uses       register_nav_menu() To add support for navigation menu.
 * @uses       set_post_thumbnail_size() To set a custom post thumbnail size.
 *
 * @package    ThemeGrill
 * @subpackage Esteem
 * @since      Esteem 1.0
 */

/**
 * Set the content width based on the theme's design and stylesheet.
 */
if ( ! isset( $content_width ) ) {
	$content_width = 642;
}

/**
 * $content_width global variable adjustment as per layout option.
 */
function esteem_content_width() {
	global $post;
	global $content_width;

	if ( $post ) {
		$layout_meta = get_post_meta( $post->ID, '_esteem_layout', true );
	}
	if ( empty( $layout_meta ) || is_archive() || is_search() ) {
		$layout_meta = 'default_layout';
	}
	$esteem_default_layout = get_theme_mod( 'esteem_default_layout', 'right_sidebar' );

	if ( $layout_meta == 'default_layout' ) {
		if ( $esteem_default_layout == 'no_sidebar_full_width' ) {
			$content_width = 978; /* pixels */
		} else {
			$content_width = 642; /* pixels */
		}
	} elseif ( $layout_meta == 'no_sidebar_full_width' ) {
		$content_width = 978; /* pixels */
	} else {
		$content_width = 642; /* pixels */
	}
}

add_action( 'template_redirect', 'esteem_content_width' );

add_action( 'after_setup_theme', 'esteem_setup' );

/**
 * Enqueue block editor styles.
 *
 * @since Esteem 1.4.5
 */
function esteem_block_editor_styles() {
	wp_enqueue_style( 'esteem-block-editor-styles', get_template_directory_uri() . '/style-editor-block.css' );
}

add_action( 'enqueue_block_editor_assets', 'esteem_block_editor_styles', 1, 1 );

if ( ! function_exists( 'esteem_setup' ) ) :
	/**
	 * Adding the core functionality of WordPress.
	 *
	 * @since 1.0
	 */
	function esteem_setup() {

		/*
		 * Make theme available for translation.
		 * Translations can be filed in the /languages/ directory.
		 */
		load_theme_textdomain( 'esteem', get_template_directory() . '/languages' );

		// Add default posts and comments RSS feed links to head
		add_theme_support( 'automatic-feed-links' );

		// This theme uses Featured Images (also known as post thumbnails) for per-post/per-page.
		add_theme_support( 'post-thumbnails' );

		// Supporting title tag via add_theme_support (since WordPress 4.1)
		add_theme_support( 'title-tag' );

		// Gutenberg layout support.
		add_theme_support( 'align-wide' );

		// Add support for Block Styles.
		add_theme_support( 'wp-block-styles' );

		// Responsive embeds support.
		add_theme_support( 'responsive-embeds' );

		// Adds the support for the Custom Logo introduced in WordPress 4.5
		add_theme_support(
			'custom-logo',
			array(
				'flex-width'  => true,
				'flex-height' => true,
			)
		);

		// Added WooCommerce support.
		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' );

		// Switches default core markup for comment form, and comments
		// to output valid HTML5.
		add_theme_support(
			'html5',
			array(
				'search-form',
				'comment-form',
				'comment-list',
				'gallery',
				'caption',
			)
		);

		// Registering navigation menus.
		register_nav_menu( 'primary', 'Primary Menu' );

		// Cropping images to different sizes to be used in the theme
		add_image_size( 'blog-large', 642, 300, true );                // used on blog large template
		add_image_size( 'blog-medium', 306, 205, true );                // used on blog medium template
		add_image_size( 'recent-thumb', 350, 316, true );
		add_image_size( 'service-featured', 600, 330, true );

		// Setup the WordPress core custom background feature.
		add_theme_support(
			'custom-background',
			apply_filters(
				'esteem_custom_background_args',
				array(
					'default-color' => 'eaeaea',
				)
			)
		);

		// Adding excerpt option box for pages as well
		add_post_type_support( 'page', 'excerpt' );
	}
endif;

add_action( 'after_setup_theme', 'esteem_options_migrate', 12 );
if ( ! function_exists( 'esteem_options_migrate' ) ) :
	/**
	 * Migrate Options Framework data to Customizer
	 *
	 */
	function esteem_options_migrate() {

		// Shifting Users data from Theme Option to Customizer
		if ( get_option( 'esteem_customizer_transfer' ) ) {
			return;
		}

		// Set transfer
		update_option( 'esteem_customizer_transfer', 1 );

		$esteem_themename      = get_option( 'stylesheet' );
		$esteem_themename_preg = preg_replace( '/\W/', '_', strtolower( $esteem_themename ) );
		if ( false === ( $mods = get_option( $esteem_themename_preg ) ) ) {
			return;
		}

		$esteem_theme_options = array();
		$esteem_theme_mods    = array();

		// When child theme is active.
		if ( is_child_theme() ) {
			$esteem_theme_options = get_option( $esteem_themename_preg );
			$esteem_theme_mods    = get_theme_mods();

			foreach ( $esteem_theme_options as $key => $value ) {
				$esteem_theme_mods[ $key ] = $value;
			}
			update_option( 'theme_mods_' . $esteem_themename, $esteem_theme_mods );
		}
		// For parent theme data Transfer
		if ( false !== ( $mods = get_option( 'esteem' ) ) ) {
			$esteem_theme_options = get_option( 'esteem' );
			$esteem_theme_mods    = get_option( 'theme_mods_esteem' );

			foreach ( $esteem_theme_options as $key => $value ) {
				$esteem_theme_mods[ $key ] = $value;
			}

			update_option( 'theme_mods_esteem', $esteem_theme_mods );
		}
	}
endif;

/**
 * esteem_init hook
 *
 * Hooking some functions of functions.php file to this action hook.
 */


add_action( 'esteem_init', 'esteem_constants', 10 );

if ( ! function_exists( 'esteem_constants' ) ) {
	/**
	 * This function defines the Esteem theme constants
	 *
	 * @since 1.0
	 */
	function esteem_constants() {
		/**
		 * Define Directory Location Constants
		 */
		define( 'ESTEEM_PARENT_DIR', get_template_directory() );
		define( 'ESTEEM_CHILD_DIR', get_stylesheet_directory() );

		define( 'ESTEEM_IMAGES_DIR', ESTEEM_PARENT_DIR . '/images' );
		define( 'ESTEEM_INCLUDES_DIR', ESTEEM_PARENT_DIR . '/inc' );
		define( 'ESTEEM_CSS_DIR', ESTEEM_PARENT_DIR . '/css' );
		define( 'ESTEEM_JS_DIR', ESTEEM_PARENT_DIR . '/js' );
		define( 'ESTEEM_LANGUAGES_DIR', ESTEEM_PARENT_DIR . '/languages' );

		define( 'ESTEEM_ADMIN_DIR', ESTEEM_INCLUDES_DIR . '/admin' );
		define( 'ESTEEM_EXTENSIONS_DIR', ESTEEM_INCLUDES_DIR . '/extensions' );
		define( 'ESTEEM_SHORTCODES_DIR', ESTEEM_INCLUDES_DIR . '/shortcodes' );
		define( 'ESTEEM_WIDGETS_DIR', ESTEEM_INCLUDES_DIR . '/widgets' );

		define( 'ESTEEM_ADMIN_IMAGES_DIR', ESTEEM_ADMIN_DIR . '/images' );
		define( 'ESTEEM_ADMIN_JS_DIR', ESTEEM_ADMIN_DIR . '/js' );
		define( 'ESTEEM_ADMIN_CSS_DIR', ESTEEM_ADMIN_DIR . '/css' );

		define( 'ESTEEM_FONTAWESOME_DIR', ESTEEM_PARENT_DIR . '/fontawesome' );

		/**
		 * Define URL Location Constants
		 */
		define( 'ESTEEM_PARENT_URL', get_template_directory_uri() );
		define( 'ESTEEM_CHILD_URL', get_stylesheet_directory_uri() );

		define( 'ESTEEM_IMAGES_URL', ESTEEM_PARENT_URL . '/images' );
		define( 'ESTEEM_INCLUDES_URL', ESTEEM_PARENT_URL . '/inc' );
		define( 'ESTEEM_CSS_URL', ESTEEM_PARENT_URL . '/css' );
		define( 'ESTEEM_JS_URL', ESTEEM_PARENT_URL . '/js' );
		define( 'ESTEEM_LANGUAGES_URL', ESTEEM_PARENT_URL . '/languages' );

		define( 'ESTEEM_ADMIN_URL', ESTEEM_INCLUDES_URL . '/admin' );
		define( 'ESTEEM_EXTENSIONS_URL', ESTEEM_INCLUDES_URL . '/extensions' );
		define( 'ESTEEM_SHORTCODES_URL', ESTEEM_INCLUDES_URL . '/shortcodes' );
		define( 'ESTEEM_WIDGETS_URL', ESTEEM_INCLUDES_URL . '/widgets' );

		define( 'ESTEEM_ADMIN_IMAGES_URL', ESTEEM_ADMIN_URL . '/images' );
		define( 'ESTEEM_ADMIN_JS_URL', ESTEEM_ADMIN_URL . '/js' );
		define( 'ESTEEM_ADMIN_CSS_URL', ESTEEM_ADMIN_URL . '/css' );
	}
}

add_action( 'esteem_init', 'esteem_include_files', 15 );

if ( ! function_exists( 'esteem_include_files' ) ) {
	/**
	 * Including the required files.
	 *
	 * @since 1.0
	 */
	function esteem_include_files() {

		/** Load functions */
		require_once ESTEEM_INCLUDES_DIR . '/functions.php';

		/**
		 * Admin.
		 */
		if ( is_admin() ) {
			require_once ESTEEM_ADMIN_DIR . '/class-esteem-dashboard.php';
		}

		require_once ESTEEM_INCLUDES_DIR . '/custom-header.php';

		require_once ESTEEM_FONTAWESOME_DIR . '/icons.php';

		require_once ESTEEM_ADMIN_DIR . '/meta-boxes.php';

		/** Load Extensions files */
		require_once ESTEEM_INCLUDES_DIR . '/header-functions.php';

		/** Load Widgets and Widgetized Area */
		require_once ESTEEM_WIDGETS_DIR . '/widgets.php';

		/** Customizer */
		require_once ESTEEM_INCLUDES_DIR . '/customizer.php';

	}
}
do_action( 'esteem_init' );

/**
 * Assign the Esteem version to a variable.
 */
$esteem_theme = wp_get_theme( 'esteem' );

define( 'ESTEEM_THEME_VERSION', $esteem_theme->get( 'Version' ) );

/**
 * Calling in the admin area for the Welcome Page as well as for the new theme notice too.
 */
if ( is_admin() ) {
	require ESTEEM_ADMIN_DIR . '/class-esteem-admin.php';
	require ESTEEM_ADMIN_DIR . '/class-esteem-notice.php';
	require ESTEEM_ADMIN_DIR . '/class-esteem-welcome-notice.php';
	require ESTEEM_ADMIN_DIR . '/class-esteem-upgrade-notice.php';
	require ESTEEM_ADMIN_DIR . '/class-esteem-theme-review-notice.php';
}

/**
 * Load Jetpack compatibility file.
 */
if ( defined( 'JETPACK__VERSION' ) ) {
	require_once ESTEEM_INCLUDES_DIR . '/jetpack.php';
}