Files
jsmr/JSMR.Infrastructure/Http/ApiClient.cs

88 lines
3.6 KiB
C#

using Microsoft.Extensions.Logging;
using System.IO;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;
namespace JSMR.Infrastructure.Http;
public abstract class ApiClient(IHttpService http, ILogger logger, JsonSerializerOptions? json = null)
{
protected async Task<T> GetJsonAsync<T>(string url, CancellationToken cancellationToken = default)
{
string response = await http.GetStringAsync(url, cancellationToken);
return JsonSerializer.Deserialize<T>(response, json)
?? throw new InvalidOperationException($"Failed to deserialize JSON to {typeof(T).Name} from {url}.");
}
//protected async Task<T> GetJsonAsync<T>(
// string url,
// Action<HttpRequestHeaders>? configureHeaders = null,
// CancellationToken ct = default
// )
//{
// using var req = new HttpRequestMessage(HttpMethod.Get, url);
// configureHeaders?.Invoke(req.Headers);
// LogRequest(req);
// using var res = await http.SendAsync(req, HttpCompletionOption.ResponseHeadersRead, ct).ConfigureAwait(false);
// await EnsureSuccess(res).ConfigureAwait(false);
// var stream = await res.Content.ReadAsStreamAsync(ct).ConfigureAwait(false);
// var model = await JsonSerializer.DeserializeAsync<T>(stream, json, ct).ConfigureAwait(false)
// ?? throw new InvalidOperationException($"Failed to deserialize JSON to {typeof(T).Name} from {url}.");
// return model;
//}
//protected async Task<TResponse> PostJsonAsync<TRequest, TResponse>(
// string url,
// TRequest payload,
// Action<HttpRequestHeaders>? configureHeaders = null,
// CancellationToken ct = default)
//{
// var content = new StringContent(JsonSerializer.Serialize(payload, json), Encoding.UTF8, "application/json");
// using var req = new HttpRequestMessage(HttpMethod.Post, url) { Content = content };
// configureHeaders?.Invoke(req.Headers);
// LogRequest(req);
// using var res = await http.SendAsync(req, HttpCompletionOption.ResponseHeadersRead, ct).ConfigureAwait(false);
// await EnsureSuccess(res).ConfigureAwait(false);
// var stream = await res.Content.ReadAsStreamAsync(ct).ConfigureAwait(false);
// var model = await JsonSerializer.DeserializeAsync<TResponse>(stream, json, ct).ConfigureAwait(false)
// ?? throw new InvalidOperationException($"Failed to deserialize JSON to {typeof(TResponse).Name} from {url}.");
// return model;
//}
//protected virtual void LogRequest(HttpRequestMessage req)
// => logger.LogDebug("HTTP {Method} {Uri}", req.Method, req.RequestUri);
//protected virtual void LogFailure(HttpResponseMessage res, string body)
// => logger.LogWarning("HTTP {Status} for {Uri}. Body: {Body}", (int)res.StatusCode, res.RequestMessage?.RequestUri, Truncate(body, 500));
//protected static string Truncate(string s, int max) => s.Length <= max ? s : s[..max] + "…";
//protected async Task EnsureSuccess(HttpResponseMessage res)
//{
// if (res.IsSuccessStatusCode) return;
// string body;
// try { body = await res.Content.ReadAsStringAsync().ConfigureAwait(false); }
// catch { body = "<unable to read body>"; }
// LogFailure(res, body);
// Throw a richer exception(you can customize per API)
// throw new HttpRequestException(
// $"Request to {res.RequestMessage?.RequestUri} failed: {(int)res.StatusCode} {res.ReasonPhrase}. Body: {Truncate(body, 1000)}",
// null,
// res.StatusCode);
//}
}