/*/// <summary>
* /// Async method that allows you to send arbitrary strings to server
* /// </summary>
* /// <param name="value">The arbitrary string to be sent to the server</param>
* /// <param name="connectedToInternet">Flag for whether an internet connection is present. A <exception cref="NotConnectedToInternetException">NotConnectedToInternetException exception is throw if value is false</exception></param>
* /// <returns>ServerResponseObjectsBase on success or null on failure</returns>
* [Obsolete("ServerResponseObjectsBase is an unneeded class and will be removed, as will this method that has a dependancy on it. Use MakeGetCallAsync instead")]
* protected async Task<ServerResponseObjectsBase> GetStringAsync(string value, bool connectedToInternet)
* {
* string url = string.Format(GetCallsBasePath, value);
* var client = DefaultClient;
* foreach (KeyValuePair<string, string> headers in extraHeaders)
* {
* client.DefaultRequestHeaders.Add(headers.Key, headers.Value);
* }
*
* HttpResponseMessage responseMsg = null;
*
* try
* {
* if (!connectedToInternet)
* {
* throw new NotConnectedToInternetException();
* }
*
* responseMsg = await client.GetAsync(await this.AddLocationAndLanguageToApi(url));
*
* string result = responseMsg.Content.ReadAsStringAsync().Result;
* if (responseMsg.IsSuccessStatusCode == false)
* {
* throw new Exception(result);
* }
*
* return new ServerResponseObjectsBase
* {
* RawResponseText = result,
* StatusCode = responseMsg.StatusCode,
* IsSuccessStatus = responseMsg.IsSuccessStatusCode
* };
* }
* catch (Exception ex)
* {
* Debug.WriteLine("Call error was " + ex.Message);
* return new ServerResponseObjectsBase
* {
* IsSuccessStatus = false,
* RequestException = ex,
* StatusCode = responseMsg != null ? responseMsg.StatusCode : HttpStatusCode.ExpectationFailed,
* RawResponseText = "{}"
* };
* }
* }*/
/// <summary>
/// Async method that allows you to send arbitrary JSON string to server
/// </summary>
/// <param name="jsonString">The arbitrary JSON string to be sent to the server</param>
/// <param name="successCallback">The success callback</param>
/// <param name="filterFlags">Error handling filter flags</param>
/// <param name="timeOut">Time out in milliseconds</param>
/// <returns>JSON string on success or null on failure</returns>
protected async Task <ServerResponseObjectsBase> PostStringAsync(string jsonString, Action <object> successCallback = null, ErrorFilterFlags filterFlags = ErrorFilterFlags.EnableErrorHandling, ApiTimeoutEnum timeOut = ApiTimeoutEnum.Normal)
{
this.Timeout = timeOut;
HttpResponseMessage responseMsg = null;
var client = this.DefaultClient;
foreach (KeyValuePair <string, string> headers in this._extraHeaders)
{
client.DefaultRequestHeaders.Add(headers.Key, headers.Value);
}
try
{
string url = await this.AddLocationAndLanguageToApi(this.ApiPath);
responseMsg = await client.PostAsync(url, new StringContent(jsonString, Encoding.UTF8, @"application/json"));
this.NotifyIfErrorStatusCode((uint)responseMsg.StatusCode);
string rawResponse = await responseMsg.Content.ReadAsStringAsync();
rawResponse.WriteLine();
var resp = new ServerResponseObjectsBase
{
RawResponseText = await responseMsg.Content.ReadAsStringAsync(),
StatusCode = responseMsg.StatusCode,
IsSuccessStatus = responseMsg.IsSuccessStatusCode
};
if (!filterFlags.HasFlag(ErrorFilterFlags.AllowEmptyResponses))
{
this.NotifyIfEmptyResponse(resp.RawResponseText, null);
}
if (successCallback != null)
{
successCallback(resp);
}
return(resp);
}
catch (Exception ex)
{
ApiErrorHandler.ExceptionOccured(
this,
ex,
responseMsg != null ? (uint)responseMsg.StatusCode : 0,
filterFlags,
async x => await this.PostStringAsync(jsonString, successCallback),
successCallback);
return(new ServerResponseObjectsBase
{
IsSuccessStatus = false,
RequestException = ex,
StatusCode = responseMsg != null ? responseMsg.StatusCode : HttpStatusCode.ExpectationFailed,
RawResponseText = "{}"
});
}
}
/// <summary>
/// Method to send specific JSON String to the server and wait for a response
/// </summary>
/// <typeparam name="TR">Response type</typeparam>
/// <param name="jsonString">JSON payload</param>
/// <param name="successCallback">Success callback</param>
/// <param name="filterFlags">Error handling flags</param>
/// <param name="timeOut">Timeout in seconds</param>
/// <returns>The server response</returns>
public async Task <ServerResponse <TR> > PostJsonAsync <TR>(string jsonString, Action <object> successCallback = null, ErrorFilterFlags filterFlags = ErrorFilterFlags.EnableErrorHandling, ApiTimeoutEnum timeOut = ApiTimeoutEnum.Normal)
{
this.Timeout = timeOut;
HttpResponseMessage responseMsg = null;
this.Logger.Debug("Passed Json is as below");
this.Logger.Debug(jsonString);
try
{
// add all extra headers, if any
HttpClient httpClient = this.DefaultClient;
foreach (KeyValuePair <string, string> headers in this._extraHeaders)
{
httpClient.DefaultRequestHeaders.Add(headers.Key, headers.Value);
}
string url = await this.AddLocationAndLanguageToApi(this.ApiPath);
StringContent content = new StringContent(jsonString, Encoding.UTF8, @"application/json");
// check internet connection
if (!Resolver.Instance.Get <IConnectivityService>().HasConnection())
{
throw new NotConnectedToInternetException();
}
responseMsg = await httpClient.PostAsync(url, content);
this.NotifyIfErrorStatusCode((uint)responseMsg.StatusCode);
var resp = new ServerResponse <TR>
{
RawResponse = await responseMsg.Content.ReadAsStringAsync(),
StatusCode = responseMsg.StatusCode,
IsSuccessStatus = responseMsg.IsSuccessStatusCode
};
if (!filterFlags.HasFlag(ErrorFilterFlags.AllowEmptyResponses))
{
this.NotifyIfEmptyResponse(resp.RawResponse, resp.GetObject());
}
if (successCallback != null)
{
successCallback(resp);
}
return(resp);
}
catch (Exception ex)
{
ApiErrorHandler.ExceptionOccured(
this,
ex,
responseMsg != null ? (uint)responseMsg.StatusCode : 0,
filterFlags,
async x => await PostJsonAsync <TR>(jsonString, successCallback),
successCallback);
return(new ServerResponse <TR>
{
IsSuccessStatus = false,
RequestException = ex,
StatusCode =
responseMsg != null ? responseMsg.StatusCode : HttpStatusCode.ExpectationFailed,
RawResponse = "{}"
});
}
finally
{
this.Logger.Debug("Exiting PostJsonAsync");
}
}
/// <summary>
/// Makes get calls to the server.
/// </summary>
/// <typeparam name="TR">The expected return type</typeparam>
/// <param name="value">Additional query parameters</param>
/// <param name="successCallback">A method to be called on success</param>
/// <param name="filterFlags">The API error filter flags</param>
/// <param name="timeOut">Timeout in seconds</param>
/// <returns>Server response that provides information on success/failure of the call and also encapsulates the returned object</returns>
/// <exception cref="NotConnectedToInternetException">Throws an NotConnectedToInternetException if not connected to the internet when an API call is made</exception>
/// <exception cref="Exception">Throw a System.Exception for any other error that occurs during processing</exception>
public virtual async Task <ServerResponse <TR> > MakeGetCallAsync <TR>(string value, Action <object> successCallback = null, ErrorFilterFlags filterFlags = ErrorFilterFlags.EnableErrorHandling, ApiTimeoutEnum timeOut = ApiTimeoutEnum.Normal)
{
this.Timeout = timeOut;
string url = string.Format(this.GetCallsBasePath, value);
Logger.Verbose("Url " + url);
var client = this.DefaultClient;
foreach (KeyValuePair <string, string> headers in this._extraHeaders)
{
client.DefaultRequestHeaders.Add(headers.Key, headers.Value);
}
HttpResponseMessage responseMsg = null;
try
{
if (!Resolver.Instance.Get <IConnectivityService>().HasConnection())
{
throw new NotConnectedToInternetException();
}
responseMsg = await client.GetAsync(await this.AddLocationAndLanguageToApi(url));
this.NotifyIfErrorStatusCode((uint)responseMsg.StatusCode);
var result = await this.GetServerResponsePackaged <TR>(responseMsg);
if (filterFlags == ErrorFilterFlags.Ignore204)
{
filterFlags = ErrorFilterFlags.AllowEmptyResponses;
}
if (!filterFlags.HasFlag(ErrorFilterFlags.AllowEmptyResponses))
{
this.NotifyIfEmptyResponse(result.RawResponse, result.GetObject());
}
if (successCallback != null)
{
successCallback(result);
}
return(result);
}
catch (Exception ex)
{
ApiErrorHandler.ExceptionOccured(
this,
ex,
responseMsg != null ? (uint)responseMsg.StatusCode : 0,
filterFlags,
async x => await this.MakeGetCallAsync <TR>(value, successCallback, filterFlags),
successCallback);
return(new ServerResponse <TR>()
{
IsSuccessStatus = false,
RequestException = ex,
Status = ServiceReturnStatus.ServerError
});
}
}