/// <summary>
/// 從網路取得相對應WebAPI的資料
/// </summary>
/// <param name="dic">所要傳遞的參數 Dictionary </param>
/// <param name="httpMethod">Get Or Post</param>
/// <returns></returns>
protected virtual async Task <APIResult> SendAsync(Dictionary <string, string> dic, HttpMethod httpMethod,
CancellationToken cancellationTokentoken = default(CancellationToken))
{
this.ServiceResult = new APIResult();
APIResult apiResult = this.ServiceResult;
string jsonPayload = "";
#region 確認網路已經連線
if (await UtilityHelper.CanConnectRemoteHostService() == false)
{
apiResult.Status = false;
apiResult.Message = "無網路連線可用 或者 無法連線到遠端主機，請檢查網路狀態與主機服務是否可以使用";
return(apiResult);
}
#endregion
//檢查網路狀態
if (UtilityHelper.IsConnected() == false)
{
apiResult.Status = false;
apiResult.Message = "無網路連線可用，請檢查網路狀態";
return(apiResult);
}
if (dic.ContainsKey(LOBGlobal.JSONDataKeyName))
{
jsonPayload = dic[LOBGlobal.JSONDataKeyName];
dic.Remove(LOBGlobal.JSONDataKeyName);
}
HttpClientHandler handler = new HttpClientHandler();
using (HttpClient client = new HttpClient())
{
try
{
//client.Timeout = TimeSpan.FromSeconds(5);
string queryString = dic.ToQueryString();
string endPoint = $"{Host}{Url}/{Route}" + queryString;
UriBuilder ub = new UriBuilder(endPoint);
HttpResponseMessage response = null;
if (string.IsNullOrEmpty(this.Token) == false)
{
client.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Bearer", this.Token);
}
#region Get Or Post
if (httpMethod == HttpMethod.Get)
{
// 使用 Get 方式來呼叫
response = await client.GetAsync(ub.Uri, cancellationTokentoken);
}
else if (httpMethod == HttpMethod.Post)
{
// 使用 Post 方式來呼叫
if (EnctypeMethod == EnctypeMethod.FORMURLENCODED)
{
// 使用 FormUrlEncoded 方式來進行傳遞資料的編碼
response = await client.PostAsync(ub.Uri, dic.ToFormUrlEncodedContent(), cancellationTokentoken);
}
else if (EnctypeMethod == EnctypeMethod.JSON)
{
client.DefaultRequestHeaders.Accept.TryParseAdd("application/json");
response = await client.PostAsync(ub.Uri,
new StringContent(jsonPayload, Encoding.UTF8, "application/json"), cancellationTokentoken);
}
}
else if (httpMethod == HttpMethod.Put)
{
// 使用 Post 方式來呼叫
if (EnctypeMethod == EnctypeMethod.FORMURLENCODED)
{
// 使用 FormUrlEncoded 方式來進行傳遞資料的編碼
response = await client.PutAsync(ub.Uri,
dic.ToFormUrlEncodedContent(), cancellationTokentoken);
}
else if (EnctypeMethod == EnctypeMethod.JSON)
{
client.DefaultRequestHeaders.Accept.TryParseAdd("application/json");
response = await client.PutAsync(ub.Uri,
new StringContent(jsonPayload, Encoding.UTF8, "application/json"), cancellationTokentoken);
}
}
else if (httpMethod == HttpMethod.Delete)
{
response = await client.DeleteAsync(ub.Uri, cancellationTokentoken);
}
else
{
throw new NotImplementedException("Not Found HttpMethod");
}
#endregion
#region Response
if (response != null)
{
String strResult = await response.Content.ReadAsStringAsync();
if (response.IsSuccessStatusCode == true)
{
#region 回傳成功狀態碼
apiResult = JsonConvert.DeserializeObject <APIResult>(strResult, new JsonSerializerSettings {
MetadataPropertyHandling = MetadataPropertyHandling.Ignore
});
if (apiResult.Status == true)
{
var fooDataString = apiResult.Payload == null?"": apiResult.Payload.ToString();
if (ApiResultIsCollection == false)
{
SingleItem = JsonConvert.DeserializeObject <T>(fooDataString, new JsonSerializerSettings {
MetadataPropertyHandling = MetadataPropertyHandling.Ignore
});
if (ApiResultIsCollection == false && PersistentStorage == PersistentStorage.Single)
{
if (SingleItem == null)
{
SingleItem = (T)Activator.CreateInstance(typeof(T));
}
await this.WriteToFileAsync();
}
}
else
{
Items = JsonConvert.DeserializeObject <List <T> >(fooDataString, new JsonSerializerSettings {
MetadataPropertyHandling = MetadataPropertyHandling.Ignore
});
if (ApiResultIsCollection == true && PersistentStorage == PersistentStorage.Collection)
{
if (Items == null)
{
Items = (List <T>)Activator.CreateInstance(typeof(List <T>));
}
await this.WriteToFileAsync();
}
}
}
else
{
apiResult.Status = false;
apiResult.HTTPStatus = (int)response.StatusCode;
apiResult.Message = $"{apiResult.Message}";
}
#endregion
}
else
{
APIResult fooAPIResult = JsonConvert.DeserializeObject <APIResult>(strResult, new JsonSerializerSettings {
MetadataPropertyHandling = MetadataPropertyHandling.Ignore
});
if (fooAPIResult != null)
{
apiResult = fooAPIResult;
if (apiResult.Status == true)
{
apiResult.Status = false;
apiResult.Message = strResult;
}
}
else
{
apiResult.Status = false;
apiResult.HTTPStatus = (int)response.StatusCode;
apiResult.Message = string.Format("Error Code:{0}, Error Message:{1}", response.StatusCode, response.ReasonPhrase);
}
}
}
else
{
apiResult.Status = false;
apiResult.Message = APIInternalError;
}
#endregion
}
catch (Exception ex)
{
apiResult.Status = false;
apiResult.Message = ex.Message;
}
}
return(apiResult);
}
