init

composer.json

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+{
+    "name": "elngar/whatsapp",
+    "description": "helper to send whatsapp messages",
+    "type": "library",
+    "license": "MIT",
+    "minimum-stability": "dev",
+    "require": {},
+    "authors": [
+        {
+            "name": "Ahmed AbdElaziz",
+            "email": "a.elngar965@gmail.com"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Elngar\\Whatsapp\\": "src/"
+        }
+    }
+}

src/Services/Whatsapp.php

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+<?php
+
+namespace Elngar\Whatsapp\Services;
+
+use Illuminate\Support\Facades\Http;
+
+class Whatsapp
+{
+    static protected array $data;
+    static protected mixed $result;
+
+    static public function send( string $receiver, string $content)
+    {
+        self::prepareData($receiver, $content);
+
+        return self::sendWithResponse();
+    }
+
+    static protected function prepareData($receiver, $content) :void
+    {
+        self::$data= [
+            "messaging_product"     =>      "whatsapp",
+            "to"                    =>      $receiver,
+            "type"                  =>      "text",
+            "text"              =>      json_encode([ 'body' => $content])
+        ];
+
+    }
+
+    static protected function getUrl() :string
+    {
+        return "https://graph.facebook.com/v15.0/". config('whatsapp.phone_number_id') ."/messages";
+    }
+
+    static protected function sendWithResponse() :bool
+    {
+        self::$result = Http::withHeaders([
+            'Accept'            =>      'application/json',
+            'Content-Type'      =>      'application/json',
+            'Authorization'     =>      'Bearer ' . config('whatsapp.access_token')
+        ])->post(self::getUrl(), self::$data);
+
+        return self::$result->successful();
+    }
+
+    static public function getSendResult()
+    {
+        return self::$result->successful() ? json_decode( self::$result->body() )->messages : json_decode( self::$result->body() )->error->message;
+    }
+
+}

src/WhatsappServiceProvider.php

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+<?php
+
+namespace Elngar\Whatsapp;
+
+use Illuminate\Support\ServiceProvider;
+
+class WhatsappServiceProvider extends ServiceProvider
+{
+    public function boot()
+    {
+        $this->publishes([
+            __DIR__ . '/config/whatsapp.php' => config_path('whatsapp.php')
+        ]);
+    }
+
+    public function register()
+    {
+
+    }
+}

src/config/whatsapp.php

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+<?php
+
+return [
+    "access_token"          =>      '',
+    "phone_number_id"       =>      ''
+];