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include/admin/class-wownero-admin-interface.php

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+<?php
+/*
+ * Copyright (c) 2018, Ryo Currency Project
+ * Admin interface for Wownero gateway
+ * Authors: mosu-forge
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+require_once('class-wownero-admin-payments-list.php');
+
+if (class_exists('Wownero_Admin_Interface', false)) {
+    return new Wownero_Admin_Interface();
+}
+
+class Wownero_Admin_Interface {
+
+    public function __construct() {
+        add_action('add_meta_boxes', array($this, 'meta_boxes'));
+        add_action('admin_menu', array($this, 'admin_menu'));
+        add_action('admin_head', array( $this, 'admin_menu_update'));
+    }
+
+    /**
+     * Add meta boxes.
+     */
+    public function meta_boxes() {
+        add_meta_box(
+            'wownero_admin_order_details',
+            __('Wownero Gateway','wownero_gateway'),
+            array($this, 'meta_box_order_details'),
+            'shop_order',
+            'normal',
+            'high'
+        );
+    }
+
+    /**
+     * Meta box for order page
+     */
+    public function meta_box_order_details($order) {
+        Wownero_Gateway::admin_order_page($order);
+    }
+
+    /**
+     * Add menu items.
+     */
+    public function admin_menu() {
+        add_menu_page(
+            __('Wownero', 'wownero_gateway'),
+            __('Wownero', 'wownero_gateway'),
+            'manage_woocommerce',
+            'wownero_gateway',
+            array($this, 'orders_page'),
+            MONERO_GATEWAY_PLUGIN_URL.'/assets/images/wownero-icon-admin.png',
+            56 // Position on menu, woocommerce has 55.5, products has 55.6
+        );
+
+        add_submenu_page(
+            'wownero_gateway',
+            __('Payments', 'wownero_gateway'),
+            __('Payments', 'wownero_gateway'),
+            'manage_woocommerce',
+            'wownero_gateway_payments',
+            array($this, 'payments_page')
+        );
+
+        $settings_page = add_submenu_page(
+            'wownero_gateway',
+            __('Settings', 'wownero_gateway'),
+            __('Settings', 'wownero_gateway'),
+            'manage_options',
+            'wownero_gateway_settings',
+            array($this, 'settings_page')
+        );
+        add_action('load-'.$settings_page, array($this, 'settings_page_init'));
+    }
+
+    /**
+     * Remove duplicate sub-menu item
+     */
+    public function admin_menu_update() {
+        global $submenu;
+        if (isset($submenu['wownero_gateway'])) {
+            unset($submenu['wownero_gateway'][0]);
+        }
+    }
+
+    /**
+     * Wownero payments page
+     */
+    public function payments_page() {
+        $payments_list = new Wownero_Admin_Payments_List();
+        $payments_list->prepare_items();
+        $payments_list->display();
+    }
+
+    /**
+     * Wownero settings page
+     */
+    public function settings_page() {
+        WC_Admin_Settings::output();
+    }
+
+    public function settings_page_init() {
+        global $current_tab, $current_section;
+
+        $current_section = 'wownero_gateway';
+        $current_tab = 'checkout';
+
+        // Include settings pages.
+        WC_Admin_Settings::get_settings_pages();
+
+        // Save settings if data has been posted.
+        if (apply_filters("woocommerce_save_settings_{$current_tab}_{$current_section}", !empty($_POST))) {
+            WC_Admin_Settings::save();
+        }
+
+        // Add any posted messages.
+        if (!empty($_GET['wc_error'])) {
+            WC_Admin_Settings::add_error(wp_kses_post(wp_unslash($_GET['wc_error'])));
+        }
+
+        if (!empty($_GET['wc_message'])) {
+            WC_Admin_Settings::add_message(wp_kses_post(wp_unslash($_GET['wc_message'])));
+        }
+
+        do_action('woocommerce_settings_page_init');
+    }
+
+}
+
+return new Wownero_Admin_Interface();