add send noti and bulk insert (not complete)

Services/NotificationService.cs

@@ -0,0 +1,59 @@
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace BMA.EHR.Recruit.Services;
+
+public class NotificationService
+{
+    private readonly IHttpClientFactory _httpClientFactory;
+    private readonly ILogger<NotificationService> _logger;
+    private readonly IConfiguration _configuration;
+
+    private string NotifyEndpoint = "https://hrmsbkk.case-collection.com/api/v1/org/through-socket/notify-from-token";
+
+    public NotificationService(IHttpClientFactory httpClientFactory, ILogger<NotificationService> logger, IConfiguration configuration)
+    {
+        _httpClientFactory = httpClientFactory;
+        _logger = logger;
+        _configuration = configuration;
+        NotifyEndpoint = $"{_configuration["API"]}/org/through-socket/notify-from-token";
+    }
+
+    public async Task SendImportNotificationAsync(string? token, bool error, string message)
+    {
+        if (string.IsNullOrEmpty(token))
+        {
+            _logger.LogWarning("Cannot send import notification: token is null or empty.");
+            return;
+        }
+
+        try
+        {
+            var client = _httpClientFactory.CreateClient("default");
+            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token.Replace("Bearer ", ""));
+
+            var payload = new
+            {
+                error,
+                message
+            };
+
+            var json = JsonConvert.SerializeObject(payload);
+            var content = new StringContent(json, Encoding.UTF8, "application/json");
+
+            var response = await client.PostAsync(NotifyEndpoint, content);
+
+            if (!response.IsSuccessStatusCode)
+            {
+                var responseBody = await response.Content.ReadAsStringAsync();
+                _logger.LogWarning("Import notification failed with status {StatusCode}: {Body}", response.StatusCode, responseBody);
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to send import notification: {Message}", ex.Message);
+        }
+    }
+}