PushApiClient.cs 2.5 KB

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  1. using Expo.Server.Models;
  2. using Newtonsoft.Json;
  3. using System;
  4. using System.Collections.Generic;
  5. using System.Net.Http;
  6. using System.Net.Http.Headers;
  7. using System.Text;
  8. using System.Threading.Tasks;
  9. namespace Expo.Server.Client
  10. {
  11. public class PushApiClient
  12. {
  13. //Environemt Configuration
  14. private const string _expoBackendHost = "https://exp.host";
  15. private const string _pushSendPath = "/--/api/v2/push/send";
  16. private const string _pushGetReceiptsPath = "/--/api/v2/push/getReceipts";
  17. //Make this static to avoid socket saturation and limit concurrent server connections to 6, but only for instances of this class.
  18. private static readonly HttpClientHandler _httpHandler = new HttpClientHandler() { MaxConnectionsPerServer = 6 };
  19. private static readonly HttpClient _httpClient = new HttpClient(_httpHandler);
  20. static PushApiClient()
  21. {
  22. _httpClient.BaseAddress = new Uri(_expoBackendHost);
  23. _httpClient.DefaultRequestHeaders.Accept.Clear();
  24. _httpClient.DefaultRequestHeaders.Accept.Add(
  25. new MediaTypeWithQualityHeaderValue("application/json"));
  26. }
  27. public async Task<PushTicketResponse> PushSendAsync(PushTicketRequest pushTicketRequest)
  28. {
  29. var ticketResponse = await PostAsync<PushTicketRequest, PushTicketResponse>(pushTicketRequest, _pushSendPath);
  30. return ticketResponse;
  31. }
  32. public async Task<PushResceiptResponse> PushGetReceiptsAsync(PushReceiptRequest pushReceiptRequest)
  33. {
  34. var receiptResponse = await PostAsync<PushReceiptRequest, PushResceiptResponse>( pushReceiptRequest, _pushGetReceiptsPath );
  35. return receiptResponse;
  36. }
  37. public async Task<U> PostAsync<T, U>(T requestObj, string path) where T : new()
  38. {
  39. var serializedRequestObj = JsonConvert.SerializeObject(requestObj, new JsonSerializerSettings
  40. {
  41. NullValueHandling = NullValueHandling.Ignore
  42. });
  43. var requestBody = new StringContent(serializedRequestObj, System.Text.Encoding.UTF8, "application/json");
  44. var responseBody = default(U);
  45. var response = await _httpClient.PostAsync(path, requestBody);
  46. if (response.IsSuccessStatusCode)
  47. {
  48. var rawResponseBody = await response.Content.ReadAsStringAsync();
  49. responseBody = JsonConvert.DeserializeObject<U>(rawResponseBody);
  50. }
  51. return responseBody;
  52. }
  53. }
  54. }