Firebase Notifications (#521)

wp-content/plugins/firebase-notifications/css/send.css

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+.notification-editor {
+	padding: 0.6em;
+}
+
+div.tabs {
+	min-height: 13em;
+	height: 13em;
+	position: relative;
+	line-height: 1;
+	z-index: 0;
+}
+div.tabs > div {
+	display: inline
+}
+div.tabs > div > a {
+	padding: 0.2em;
+	border: 0.1em;
+}
+div.tabs > div:not(:target) > a {
+	border-bottom: 0.2em solid #BBB;
+}
+#deflang:target > a {
+	border-bottom: 0.2em solid #F00;
+}
+#deflang:not(:target) > a {
+	border-bottom: 0.2em solid #A00;
+}
+div.tabs > div:target > a {
+	border-bottom: 0.2em solid #000;
+}
+div.tabs > div > div {
+	z-index: -2;
+	left: 0;
+	top: 1.3em;
+	bottom: 0; right: 0;
+	overflow: auto;
+	padding: 0.3em;
+	border: 0.1em;
+	background: #f1f1f1;
+}
+div.tabs > div:not(:target) > div {
+	position: absolute
+}
+div.tabs > div:target > div {
+	position: absolute;
+	z-index: -1
+}
+
+.pn-title {
+	width: 300px;
+}
+
+.pn-message {
+	width: 300px;
+	resize: none;
+	height: 7em;
+}

wp-content/plugins/firebase-notifications/js/send.js

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+jQuery( document ).ready(function() {
+	window.location.href = "#deflang";
+});

wp-content/plugins/firebase-notifications/lang/firebase-notifications-de_DE.po

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+msgid "Please fill in the title and message for the red underlined language. Optionally, translations can be filled in as well."
+msgstr "Bitte füllen Sie die Felder Titel und Nachricht für die rot unterstrichene Sprache aus. Optional können auch Übersetzungen eingegeben werden."
+
+msgid "Languages without manual translation receive:"
+msgstr "Sprachen ohne manuelle Übersetzung erhalten:"
+
+msgid "Title"
+msgstr "Titel"
+
+msgid "Message"
+msgstr "Nachricht"
+
+msgid "Automatic translation"
+msgstr "Automatische Übersetzung"
+
+msgid "No message"
+msgstr "Keine Benachrichtigung"
+
+msgid "Message in original language (marked red)"
+msgstr "Benachrichtigung in Originalsprache (rot markiert)"
+
+msgid "Send Notification"
+msgstr "Benachrichtigung senden"
+
+msgid "This blog must manage it's own Firebase Cloud Messaging settings."
+msgstr "Dieser Blog muss seine Firebase Cloud Messaging Einstellungen selbst verwalten."
+
+msgid "This blog is allowed to use the network wide Firebase Cloud Messaging settings."
+msgstr "Dieser Blog darf die netzwerkweiten Firebase Cloud Messaging Einstellungen nutzen."
+
+msgid "This blog must use the network wide Firebase Cloud Messaging settings."
+msgstr "Dieser Blog muss die netzwerkweiten Firebase Cloud Messaging Einstellungen nutzen."
+
+msgid "Use network settings"
+msgstr "Netzwerkeinstellungen nutzen"
+
+msgid "Network settings for blogs"
+msgstr "Netzwerkeinstellungen für Blogs"
+
+msgid "Each blog must manage it's own Firebase Cloud Messaging settings."
+msgstr "Jeder Blog muss seine Firebase Cloud Messaging Einstellungen selbst verwalten."
+
+msgid "Each blog is allowed to use the network wide Firebase Cloud Messaging settings."
+msgstr "Jeder Blog darf die netzwerkweiten Firebase Cloud Messaging Einstellungen nutzen."
+
+msgid "Each blog must use the network wide Firebase Cloud Messaging settings."
+msgstr "Jeder Blog muss die netzwerkweiten Firebase Cloud Messaging Einstellungen nutzen."
+
+msgid "Groups"
+msgstr "Gruppen"
+
+msgid "Add blog ID and WPML language to topic name.<br>The topic name is then<br>/topics/[blog_id]-[language_code]-[topic],<br>e.g. /topics/1-en-news"
+msgstr "Blog ID fund WPML Sprache zum Topic Namen hinzuf&uuml;gen.<br>Der Topic Name wird dann<br>/topics/[blog_id]-[language_code]-[topic],<br>z.B. /topics/1-en-news"
+
+msgid "Groups (separate with white space)"
+msgstr "Gruppen (mit Leerzeichen trennen)"

wp-content/plugins/firebase-notifications/notifications.php

@@ -0,0 +1,77 @@
+<?php
+
+function write_firebase_notification() {
+	//send message if nonce is valid
+	if ( wp_verify_nonce( $_POST['_wpnonce'], 'ig-fb-send-nonce' ) && current_user_can('publish_pages') ) {
+		$languages = icl_get_languages();
+		$items = array();
+		foreach( $languages as $key => $value ) {
+			$items[$key]  = array( 'title' => $_POST['pn-title_'.$key], 'message' => $_POST['pn-message_'.$key], 'lang' => $key, 'translate' => $_POST['pn-translate'], 'group' => $_POST['fbn_groups'] );
+		}
+		$myNotification = new FirebaseNotificationsService();
+		$myNotification->translate_send_notifications( $items );
+	}
+
+	wp_enqueue_style( 'ig-fb-style-send', plugin_dir_url(__FILE__) . '/css/send.css' );
+	wp_enqueue_script( 'ig-fb-js-send', plugin_dir_url(__FILE__) . '/js/send.js' );
+	// display form
+	echo write_firebase_notification_form();
+}
+
+function write_firebase_notification_form() {
+	$header = "<h1>".get_admin_page_title()."</h1>
+<form method='post'>
+	".wp_nonce_field( 'ig-fb-send-nonce' )."
+	<div class='notification-editor'>
+		<div class='tabs'>
+";
+
+	if( get_site_option( 'fbn_force_network_settings' ) == '2' || ( get_site_option( 'fbn_force_network_settings' ) == '1' && get_blog_option( $blog_id, 'fbn_use_network_settings' ) == '1' ) ) {
+		$groups = get_site_option( 'fbn_groups' );
+	} else {
+		$groups = get_blog_option( get_current_blog_id(), 'fbn_groups' );
+	}
+
+	$select = "<select name='fbn_groups'>";
+	foreach( explode( ' ', $groups ) as $group ) {
+		$select .= "<option>$group</option>";
+	}
+	$select .= "</select>";
+
+	$footer = "
+		</div>
+	</div>
+	<p>".__('Please fill in the title and message for the red underlined language. Optionally, translations can be filled in as well.', 'firebase-notifications')."</p>
+	<p>".__('Languages without manual translation receive:', 'firebase-notifications')."</p>
+	<fieldset>
+		<ul>
+			".( class_exists('TranslationService') ? "<li><input type='radio' id='at' name='pn-translate' value='at' checked='checked'><label for='at'> ".__('Automatic translation', 'firebase-notifications')."</label></li>":"")."
+			<li><input type='radio' id='no' name='pn-translate' value='no' ".( !class_exists('TranslationService') ? " checked='checked'" : "")."><label for='no'> ".__('No message', 'firebase-notifications')."</label></li>
+			<li><input type='radio' id='or' name='pn-translate' value='or'><label for='or'> ".__('Message in original language (marked red)', 'firebase-notifications')."</label></li>
+		</ul>
+	</fieldset>
+	<p>".__('Groups', 'firebase-notifications').": $select</p>
+	<button>".__('Send Notification', 'firebase-notifications')."</button>
+</form>
+";
+
+	$tabs = "";
+	$languages = icl_get_languages();
+	foreach( $languages as $key => $value ) {
+		$default = ($value['active'] == "1" ? "deflang" : $value['code'] );
+		$tabs .= "
+			<div id='".$default."'>
+				<a href='#".$default."'>".$value['translated_name']."</a>
+				<div>
+					<table class='tabtable'>
+						<tr><td>".__('Title', 'firebase-notifications')."</td><td><input name='pn-title_".$value['code']."' type='text' class='pn-title' maxlength='50'></td></tr>
+						<tr><td>".__('Message', 'firebase-notifications')."</td><td><textarea name='pn-message_".$value['code']."' class='pn-message' maxlength='140'></textarea></td></tr>
+					</table>
+				</div>
+			</div>
+";
+	}
+	return $header.$tabs.$footer;
+}
+
+?>

wp-content/plugins/firebase-notifications/plugin.php

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+<?php
+/**
+ * Plugin Name: FCM Notifications
+ * Description: Sending FCM Messages to Smartphones with WPML support
+ * Version: 1.0
+ * Author: Sven Seeberg
+ * Author URI: https://github.com/sven15
+ * License: MIT
+ * Text Domain: firebase-notifications
+ */
+
+require_once __DIR__ . '/service.php';
+require_once __DIR__ . '/notifications.php';
+require_once __DIR__ . '/settings.php';
+
+
+function fb_pn_menu() {
+	load_plugin_textdomain( 'firebase-notifications', false, dirname( plugin_basename( __FILE__ ) ) . '/lang/' );
+	add_menu_page( 'Push Notifications', 'Push Notifications', 'publish_pages', 'fb-pn', 'write_firebase_notification', 'dashicons-email-alt', $position = 99 );
+	add_submenu_page( 'fb-pn', 'Firebase Notifications Settings', 'Settings', 'manage_options', 'fb-pn-settings', 'firebase_notification_settings' );
+}
+add_action( 'admin_menu', 'fb_pn_menu' );
+
+
+function fb_pn_network_menu() {
+	load_plugin_textdomain( 'firebase-notifications', false, dirname( plugin_basename( __FILE__ ) ) . '/lang/' );
+	add_menu_page( "Firebase Notifications Network Settings", "FCM Push Notifications", 'manage_network_options', 'fb-pn-network-settings', 'firebase_notification_network_settings');
+}
+add_action( 'network_admin_menu', 'fb_pn_network_menu' );
+
+
+function firebase_notifications_settings() {
+	$settings['fbn_auth_key'] = '0';
+	$settings['fbn_api_url'] = 'https://fcm.googleapis.com/fcm/send';
+	$settings['fbn_use_network_settings'] = '1'; //0 use blog settings; 1 use network settings
+	$settings['fbn_groups'] = 'news';
+	return $settings;
+}
+
+
+function firebase_notifications_network_settings() {
+	$settings['fbn_auth_key'] = '0';
+	$settings['fbn_api_url'] = 'https://fcm.googleapis.com/fcm/send';
+	$settings['fbn_force_network_settings'] = '0'; // 0: allow settings for each blog; 1: blogs CAN use network settings; 2: blogs MUST use network settings
+	$settings['fbn_per_blog_topic'] = '1'; //add blog id and wpml language to topic, 1 = add, 0 = only group
+	$settings['fbn_groups'] = 'news';
+	return $settings;
+}
+
+
+function firebase_notifications_registration() {
+	$default_network_settings = firebase_notifications_network_settings();
+	foreach( $default_network_settings as $key => $value ) {
+		add_site_option( $key, $value );
+	}
+
+	$default_blog_settings = firebase_notifications_settings();
+	$all_blogs = get_sites();
+	foreach ( $all_blogs as $blog ) {
+		foreach ( $default_blog_settings as $key => $value ) {
+			add_blog_option( $blog->blog_id, $key, $value );
+		}
+	}
+}
+register_activation_hook( __FILE__, 'firebase_notifications_registration' );
+
+?>

wp-content/plugins/firebase-notifications/service.php

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+<?php
+class FirebaseNotificationsService {
+
+	function __construct(){
+		$this->read_settings();
+	}
+
+
+	public function translate_send_notifications( $items ) {
+		$languages = icl_get_languages();
+		foreach($items as $item) {
+			if( $item['title'] == '' and $item['message'] == '' ) {
+				//autotranslate | at
+				if( $item['translate'] == 'at' ) {
+					$translation_service = new TranslationService();
+					$item['title'] = $translation_service->translate_string($items[ICL_LANGUAGE_CODE]['title'], ICL_LANGUAGE_CODE, $item['lang']);
+					$item['message'] = $translation_service->translate_string($items[ICL_LANGUAGE_CODE]['message'], ICL_LANGUAGE_CODE, $item['lang']);
+				// no message | no
+				} elseif( $item['translate'] == 'no' ) {
+					continue;
+				// original language | or
+				} elseif( $item['translate'] == 'or' ) {
+					$item['title'] = $items[ICL_LANGUAGE_CODE]['title'];
+					$item['message'] = $items[ICL_LANGUAGE_CODE]['message'];
+				}
+			}
+			echo $this->send_notification( $item['title'],$item['message'],$item['lang'], $item['group'] );
+		}
+	}
+
+
+	private function send_notification( $title, $body, $language, $group ) {
+		$header = $this->build_header( $this->settings['auth_key'] );
+		$fields = $this->build_json( $title, $body, $language, $this->settings['blog_id'], $group );
+		$settings = $this->read_settings();
+		echo $this->execute_curl( $this->settings['api_url'], $header, $fields );
+	}
+
+
+	private function read_settings() {
+		// are network settings enforced?
+		$this->settings['blog_id'] = get_current_blog_id();
+		$this->settings['force_network_settings'] = get_site_option( 'fbn_force_network_settings' );
+		$this->settings['per_blog_topic'] = get_site_option( 'fbn_per_blog_topic' );
+		// use network settings
+		if ( $this->settings['force_network_settings'] == '2' ) {
+			$this->settings['api_url'] = get_site_option('fbn_auth_key');
+			$this->settings['auth_key'] = get_site_option('fbn_api_url');
+		}
+		// network or blog settings
+		elseif ( $this->settings['force_network_settings'] == '1' ) {
+			if( get_blog_option( $blog_id, 'fbn_use_network_settings' ) == '1' ) {
+				$this->settings['api_url'] = get_site_option('fbn_auth_key');
+				$this->settings['auth_key'] = get_site_option('fbn_api_url');
+			} else {
+				$this->settings['auth_key'] = get_blog_option( $blog_id, 'fbn_auth_key' );
+				$this->settings['api_url'] = get_blog_option( $blog_id, 'fbn_api_url' );
+			}
+		}
+		// blog settings
+		elseif ( $this->settings['force_network_settings'] == '0' ) {
+			$this->settings['auth_key'] = get_blog_option( $blog_id, 'fbn_auth_key' );
+			$this->settings['api_url'] = get_blog_option( $blog_id, 'fbn_api_url' );
+		}
+	}
+
+
+	private function execute_curl( $url, $headers, $fields ) {
+		$ch = curl_init ();
+		curl_setopt ( $ch, CURLOPT_URL, $url );
+		curl_setopt ( $ch, CURLOPT_POST, true );
+		curl_setopt ( $ch, CURLOPT_HTTPHEADER, $headers );
+		curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, true );
+		curl_setopt ( $ch, CURLOPT_POSTFIELDS, $fields );
+		$result = curl_exec ( $ch );
+		curl_close ( $ch );
+		return $result;
+	}
+
+
+	private function build_json( $title, $body, $language, $blog_id, $group ) {
+		$fields = array (
+			'to' => '/topics/' . ($this->settings['per_blog_topic'] == '1' ? (string)$blog_id . "-" . $language . "-" : "") . $group,
+			'notification' => array (
+				'title' => $title,
+				'body' => $body
+			)
+		 );
+		return json_encode ( $fields );
+	}
+
+
+	private function build_header( $authKey ) {
+		$headers = array (
+			'Authorization: key=' . $authKey,
+			'Content-Type: application/json'
+		);
+		return $headers;
+	}
+
+}
+
+?>