ACF functionality and readme update

README.md

@@ -1,6 +1,6 @@
 ## WordPress Backend
 
-Before you install WordPress, make sure you have all the required software installed for your operating system.
+The wordpress folder contains the plugin dependencies and the Saburly Headless theme. You can add them to your existing development environment. Or if you want to install WordPress and a full dev environment, you can use the scripts from this repository. In that case, make sure you have all the required software installed for your operating system.
 
 ### Prerequisites
 
@@ -22,3 +22,11 @@ When the installation process completes successfully:
 *   The WordPress GraphQL API is available at [http://localhost:8080/graphql](http://localhost:8080/graphql)
 *   The WordPress admin is at [http://localhost:8080/wp-admin/](http://localhost:8080/wp-admin/)
 
+
+### Manual install
+
+You can replace the wordpress folder 
+
+### Frontend
+
+The contains frontend is stored in a separate repository in Gitlab. 

wordpress/wp-content/themes/saburly-headless/acf-json/index.php

@@ -0,0 +1,4 @@
+<?php
+// @codingStandardsIgnoreFile -- for PHPCS 2.9 support in Atom
+// phpcs:ignoreFile
+// Silence is golden.

wordpress/wp-content/themes/saburly-headless/functions.php

@@ -1,4 +1,11 @@
 <?php
+
+// Frontend origin
+require_once 'inc/frontend-origin.php';
+
+// ACF commands
+require_once 'inc/class-acf-commands.php';
+
 // Logging functions
 require_once 'inc/log.php';
 

wordpress/wp-content/themes/saburly-headless/inc/acf-options.php

@@ -0,0 +1,13 @@
+<?php
+
+// Add a custom options page to associate ACF fields with
+if ( function_exists( 'acf_add_options_page' ) ) {
+    acf_add_options_page( [
+        'page_title' => 'Headless Settings',
+        'menu_title' => 'Headless',
+        'menu_slug'  => 'headless-settings',
+        'capability' => 'manage_options',
+        'post_id'    => 'headless-settings',
+        'redirect'   => false,
+    ] );
+}

wordpress/wp-content/themes/saburly-headless/inc/class-acf-commands.php

@@ -0,0 +1,77 @@
+<?php
+if ( defined( 'WP_CLI' ) && WP_CLI && ! class_exists( 'ACF_Commands' ) ) {
+    /**
+     * ACF_Commands
+     */
+    class ACF_Commands extends WP_CLI_Command {
+        /**
+         * Sync ACF Fields
+         *
+         * ## OPTIONS
+         *
+         * @when init
+         *
+         * @example
+         *
+         *  wp acf sync
+         *
+         * @param arr $args Arguments
+         * @param arr $assoc_args Associated arguments
+         * @return void
+         */
+        public function sync( $args, $assoc_args ) {
+
+            // vars
+            $groups = acf_get_field_groups();
+            $sync   = [];
+
+            // bail early if no field groups
+            if ( empty( $groups ) ) {
+                return;
+            }
+
+            // find JSON field groups which have not yet been imported
+            foreach ( $groups as $group ) {
+                // vars
+                $local    = acf_maybe_get( $group, 'local', false );
+                $modified = acf_maybe_get( $group, 'modified', 0 );
+                $private  = acf_maybe_get( $group, 'private', false );
+
+                // ignore DB / PHP / private field groups
+                if ( 'json' !== $local || $private ) {
+                    // do nothing
+                    true;
+                } elseif ( ! $group['ID'] ) {
+                    $sync[ $group['key'] ] = $group;
+                } elseif ( $modified && $modified > get_post_modified_time( 'U', true, $group['ID'], true ) ) {
+                    $sync[ $group['key'] ] = $group;
+                }
+            }
+
+            // bail if no sync needed
+            if ( empty( $sync ) ) {
+                WP_CLI::success( 'No ACF Sync Required' );
+                return;
+            }
+
+            if ( ! empty( $sync ) ) {
+                acf_update_setting( 'json', false );
+
+                // vars
+                $new_ids = [];
+
+                foreach ( $sync as $key => $v ) {
+                    // append fields
+                    if ( acf_have_local_fields( $key ) ) {
+                        $sync[ $key ]['fields'] = acf_get_local_fields( $key );
+                    }
+                    // import
+                    $field_group = acf_import_field_group( $sync[ $key ] );
+                }
+            }
+
+            WP_CLI::success( 'ACF SYNC SUCCESS!' );
+        }
+    }
+    WP_CLI::add_command( 'acf', 'ACF_Commands' );
+}