static async Task ExecuteSamples(string sampleName, Uri root, string user, string pass)
{
var credentials = new ErpCredentials("Samples", user, pass, "en");
Console.WriteLine("Logging in...");
using (var session = new ErpSession(root))
{
await session.LoginAsync(credentials);
// Omit null values from JSON result.
session.RequestOptions.SkipNulls = true;
await ExecuteSample(sampleName, session);
}
}
/// <summary>
/// Logins the specified user.
/// </summary>
/// <param name="credentials">The credentials.</param>
/// <returns></returns>
/// <exception cref="Exception">Invalid user name or password.</exception>
public async Task <string> LoginAsync(ErpCredentials credentials)
{
StringContent content = new StringContent(
string.Format("{{\"app\":\"{0}\",\"user\":\"{1}\",\"pass\":\"{2}\",\"ln\":\"{3}\"}}",
credentials.ApplicationName,
credentials.UserName,
credentials.Password,
credentials.Language));
content.Headers.ContentType.MediaType = "application/json";
var uri = ServiceRoot.ToString().Replace("/odata", "/Login").TrimEnd('/');
HttpRequestMessage msg = new HttpRequestMessage()
{
RequestUri = new Uri(uri),
Method = HttpMethod.Post,
Content = content
};
msg.Headers.ExpectContinue = false;
var result = await httpClient.SendAsync(msg, HttpCompletionOption.ResponseContentRead);
var json = await result.Content.ReadAsStringAsync();
try
{
if (!result.IsSuccessStatusCode)
{
throw new Exception(json);
}
}
catch (Exception ex)
{
throw new Exception("Invalid user name or password.", ex);
}
authorizationHeader = json.Split(':')[1].Trim('"', '}');
httpClient.DefaultRequestHeaders.Add("Authorization", authorizationHeader);
return(json);
}