public static async Task <InvitationsIssued> UninviteAsync(
ApplicationDbContext dbContext,
InvitationRequest request)
{
using (var tx = dbContext.Database.BeginTransaction())
{
bool succeeded = false;
try
{
Invitation existing = await dbContext.Invitations.SingleOrDefaultAsync(e => e.Email == request.Email);
if (existing != null)
{
dbContext.Invitations.Remove(existing);
await dbContext.SaveChangesAsync();
}
InvitationsIssued current = await GetCurrentInvitations(dbContext);
tx.Commit();
succeeded = true;
return(current);
}
finally
{
if (!succeeded)
{
tx.Rollback();
}
}
}
}
public static async Task <InvitationsIssued> InviteAsync(
ApplicationDbContext dbContext,
InvitationRequest request)
{
using (var tx = dbContext.Database.BeginTransaction())
{
bool succeeded = false;
try
{
InvitationsIssued current = await GetCurrentInvitations(dbContext);
if (!current.Accepted.Contains(request.Email) &&
!current.Outstanding.Contains(request.Email))
{
dbContext.Invitations.Add(new Invitation
{
Email = request.Email
});
await dbContext.SaveChangesAsync();
current.Outstanding.Add(request.Email);
}
tx.Commit();
succeeded = true;
return(current);
}
finally
{
if (!succeeded)
{
tx.Rollback();
}
}
}
}
/// <param name='cancellationToken'>
/// Cancellation token.
/// </param>
public async Task <HttpOperationResponse <InvitationsIssued> > GetAsyncWithOperationResponseAsync(CancellationToken cancellationToken = default(System.Threading.CancellationToken))
{
// Tracing
bool shouldTrace = ServiceClientTracing.IsEnabled;
string invocationId = null;
if (shouldTrace)
{
invocationId = ServiceClientTracing.NextInvocationId.ToString();
Dictionary <string, object> tracingParameters = new Dictionary <string, object>();
ServiceClientTracing.Enter(invocationId, this, "GetAsyncAsync", tracingParameters);
}
// Construct URL
string url = "";
url = url + "/api/Invitations";
string baseUrl = this.Client.BaseUri.AbsoluteUri;
// Trim '/' character from the end of baseUrl and beginning of url.
if (baseUrl[baseUrl.Length - 1] == '/')
{
baseUrl = baseUrl.Substring(0, baseUrl.Length - 1);
}
if (url[0] == '/')
{
url = url.Substring(1);
}
url = baseUrl + "/" + url;
url = url.Replace(" ", "%20");
// Create HTTP transport objects
HttpRequestMessage httpRequest = new HttpRequestMessage();
httpRequest.Method = HttpMethod.Get;
httpRequest.RequestUri = new Uri(url);
// Set Credentials
if (this.Client.Credentials != null)
{
cancellationToken.ThrowIfCancellationRequested();
await this.Client.Credentials.ProcessHttpRequestAsync(httpRequest, cancellationToken).ConfigureAwait(false);
}
// Send Request
if (shouldTrace)
{
ServiceClientTracing.SendRequest(invocationId, httpRequest);
}
cancellationToken.ThrowIfCancellationRequested();
HttpResponseMessage httpResponse = await this.Client.HttpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
if (shouldTrace)
{
ServiceClientTracing.ReceiveResponse(invocationId, httpResponse);
}
HttpStatusCode statusCode = httpResponse.StatusCode;
cancellationToken.ThrowIfCancellationRequested();
string responseContent = await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
if (statusCode != HttpStatusCode.OK)
{
HttpOperationException <object> ex = new HttpOperationException <object>();
ex.Request = httpRequest;
ex.Response = httpResponse;
ex.Body = null;
if (shouldTrace)
{
ServiceClientTracing.Error(invocationId, ex);
}
throw ex;
}
// Create Result
HttpOperationResponse <InvitationsIssued> result = new HttpOperationResponse <InvitationsIssued>();
result.Request = httpRequest;
result.Response = httpResponse;
// Deserialize Response
if (statusCode == HttpStatusCode.OK)
{
InvitationsIssued resultModel = new InvitationsIssued();
JToken responseDoc = null;
if (string.IsNullOrEmpty(responseContent) == false)
{
responseDoc = JToken.Parse(responseContent);
}
if (responseDoc != null)
{
resultModel.DeserializeJson(responseDoc);
}
result.Body = resultModel;
}
if (shouldTrace)
{
ServiceClientTracing.Exit(invocationId, result);
}
return(result);
}
