Request FCM firebase cloud Message

Question

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SendCloudMessageFirebase
{
    public class Notification
    {
        public string body { get; set; }
        public string title { get; set; }
        public string click_action { get; set; }
        public string android_channel_id { get; set; }
    }

    public class Data
    {
        public string body { get; set; }
        public string title { get; set; }
        public string android_channel_id { get; set; }
        public string click_action { get; set; }
    }

    public class FirebaseRequestInfo
    {
        public Notification notification { get; set; }
        public Data data { get; set; }
        public string to { get; set; }
        public string priority { get; set; }
        public bool delay_while_idle { get; set; }
        public bool content_available { get; set; }
        public string android_channel_id { get; set; }
    }   
}

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SendCloudMessageFirebase
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnSendmessge_Click(object sender, EventArgs e)
        {
            SendMessage(txtTitle.Text, txtBody.Text);
        }
        public static string SendMessage(string title, string body)
        {           
            string serverKey = "xxxx";
            try
            {
                string result;
                var webAddr = "https://fcm.googleapis.com/fcm/send";

                var httpWebRequest = (HttpWebRequest)WebRequest.Create(webAddr);
                httpWebRequest.ContentType = "application/json";
                httpWebRequest.Headers.Add("Authorization", "Key=" + serverKey);
                httpWebRequest.Method = "POST";

                var firebaseRequestInfo = new FirebaseRequestInfo();

                var notification = new Notification();
                notification.body = body;
                notification.title = title;
                notification.click_action = "FLUTTER_NOTIFICATION_CLICK";
                notification.android_channel_id = "high_importance_channel";

                firebaseRequestInfo.notification = notification;

                var data = new Data();
                data.body = body;
                data.title = title;
                data.android_channel_id = "high_importance_channel";
                data.click_action = "FLUTTER_NOTIFICATION_CLICK";

                firebaseRequestInfo.data = data;

                firebaseRequestInfo.to = "/topics/EMS";
                firebaseRequestInfo.priority = "high";
                firebaseRequestInfo.delay_while_idle = true;
                firebaseRequestInfo.android_channel_id = "high_importance_channel";



                using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
                {
                    var dataRequest = JsonConvert.SerializeObject(firebaseRequestInfo);

                //    string data = $@"
                //       {{
                //        ""notification"": {{
                //                 ""body"": ""{body}"",
                //                  ""title"": ""{title}"",                              
                //                ""click_action"": ""FLUTTER_NOTIFICATION_CLICK"",
                //                ""android_channel_id"": ""high_importance_channel""

                //               }},

          
                //""data"": {{
                //            ""body"": ""{body}"",
                //            ""title"": ""{title}"",
                           
                //            ""android_channel_id"": ""high_importance_channel"",
                //            ""click_action"": ""FLUTTER_NOTIFICATION_CLICK"",
                           
                //          }},
                //          ""to"": ""/topics/EMS"",
                //          ""priority"" : ""high"",                         
                //          ""delay_while_idle"" : true,
                //          ""content_available"" : true, 
                //         ""android_channel_id"": ""high_importance_channel"",
                         
                //        }}
        
                //    ";
                 
                    streamWriter.Write(dataRequest);
                    streamWriter.Flush();
                    streamWriter.Close();
                }

                var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();              
                using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
                {
                    result = streamReader.ReadToEnd();
                }

                return result;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                return ex.ToString();
                
            }
        }

    }
}

Answer 1

Share cho anh em nào cần để test FCM (Firebase Cloud Message)