First

Author: Hussam3bd

composer.json

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+{
+    "name": "liliom/laravel-firebase",
+    "description": "Laravel FCM (Firebase Cloud Messaging) Notification Channel",
+    "keywords": [
+        "laravel",
+        "fcm",
+        "firebase",
+        "notification",
+        "channel",
+        "notification-channel"
+    ],
+    "authors": [
+        {
+            "name": "Hussam Abd",
+            "email": "hussam3bd@liliom.co"
+        }
+    ],
+    "license": "MIT",
+    "require": {
+        "php": ">=5.5.9",
+        "illuminate/support": "5.*",
+        "guzzlehttp/guzzle": "~6.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Liliom\\Firebase\\": "src/"
+        }
+    },
+    "extra": {
+        "laravel": {
+            "providers": [
+                "Liliom\\Firebase\\FirebaseServiceProvider"
+            ]
+        }
+    },
+}

src/Exceptions/CouldNotSendNotification.php

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+<?php
+
+namespace Liliom\Firebase\Exceptions;
+
+class CouldNotSendNotification extends \Exception
+{
+    /**
+     * Thrown when recipient is missing.
+     *
+     * @return static
+     */
+    public static function missingRecipient()
+    {
+        return new static('Notification was not sent. You should specify device token(s) for sending notification.');
+    }
+}

src/Exceptions/InvalidConfiguration.php

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+<?php
+
+namespace Liliom\Firebase\Exceptions;
+
+class InvalidConfiguration extends \Exception
+{
+	/**
+     * Thrown when configuration key not set.
+     *
+     * @return static
+     */
+    public static function configurationNotSet()
+    {
+        return new static('In order to send notification via Firebase you need to add credentials in the `firebase` key of `config.services`.');
+    }
+}

src/FirebaseChannel.php

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+<?php
+
+namespace Liliom\Firebase;
+
+use Liliom\Firebase\Exceptions\CouldNotSendNotification;
+use Liliom\Firebase\Exceptions\InvalidConfiguration;
+use Illuminate\Notifications\Notification;
+use GuzzleHttp\Client;
+
+class FirebaseChannel
+{
+    /**
+     * The API URL for Firebase
+     */
+    const API_URI = 'https://fcm.googleapis.com/fcm/send';
+
+    /**
+     * @var Client
+     */
+    private $client;
+
+    /**
+     * @param Client $client
+     */
+    public function __construct(Client $client)
+    {
+        $this->client = $client;
+    }
+
+    /**
+     * Send the given notification.
+     *
+     * @param mixed $notifiable
+     * @param \Illuminate\Notifications\Notification $notification
+     *
+     * @throws \Liliom\Firebase\Exceptions\CouldNotSendNotification
+     */
+    public function send($notifiable, Notification $notification)
+    {
+        $message = $notification->toFirebase($notifiable);
+
+        if ($message->recipientNotGiven()) {
+            if (!$to = $notifiable->routeNotificationFor('firebase')) {
+                throw CouldNotSendNotification::missingRecipient();
+            }
+
+            $message->to($to);
+        }
+
+        $this->client->post(self::API_URI, [
+            'headers' => [
+                'Authorization' => 'key=' . $this->getApiKey(),
+                'Content-Type'  => 'application/json',
+            ],
+            'body' => $message->payload(),
+        ]);
+    }
+
+    /**
+     * @return string
+     */
+    private function getApiKey()
+    {
+        $key = config('services.firebase.key');
+        if (is_null($key)) {
+            throw InvalidConfiguration::configurationNotSet();
+        }
+
+        return $key;
+    }
+}