public async Task MkCalendar(Dictionary <string, string> propertiesAndHeaders, string body, HttpResponse response)
{
#region Extracting Properties
string principalId;
propertiesAndHeaders.TryGetValue("principalId", out principalId);
string url;
propertiesAndHeaders.TryGetValue("url", out url);
#endregion
propertiesAndHeaders.Add("body", body);
PreconditionCheck = new MKCalendarPrecondition(StorageManagement, _collectionRespository);
PosconditionCheck = new MKCalendarPosCondition(StorageManagement, _collectionRespository);
//Checking that all precondition pass
//Cheking Preconditions
if (!await PreconditionCheck.PreconditionsOK(propertiesAndHeaders, response))
{
return;
}
//I create here the collection already but i wait for other comprobations before save the database.
await CreateDefaultCalendar(propertiesAndHeaders);
response.StatusCode = (int)HttpStatusCode.Created;
//If it has not body and Posconditions are OK, it is created with default values.
if (string.IsNullOrEmpty(body))
{
if (!await PosconditionCheck.PosconditionOk(propertiesAndHeaders, response))
{
await DeleteCalendarCollection(propertiesAndHeaders, response);
response.StatusCode = (int)HttpStatusCode.Forbidden;
await response.WriteAsync("Poscondition Failed");
return;
}
await _collectionRespository.SaveChangeAsync();
return;
}
//If a body exist the it is parsed like an XmlTree
var mkCalendarTree = XmlTreeStructure.Parse(body);
//if it does not have set property it is treated as a empty body.
if (mkCalendarTree.Children.Count == 0)
{
if (!await PosconditionCheck.PosconditionOk(propertiesAndHeaders, response))
{
await DeleteCalendarCollection(propertiesAndHeaders, response);
response.StatusCode = (int)HttpStatusCode.Forbidden;
await response.WriteAsync("Poscondition Failed");
return;
}
await _collectionRespository.SaveChangeAsync();
return;
}
//now it is assumed that the body contains a set
var setTree = mkCalendarTree.GetChild("set");
#region Response Construction in case of error
//this only if error during processing.
//Creating and filling the root of the xml tree response
//All response of a request is conformed by a "multistatus" element.
var multistatus = new XmlTreeStructure("multistatus", "DAV:");
multistatus.Namespaces.Add("D", "DAV:");
multistatus.Namespaces.Add("C", "urn:ietf:params:xml:ns:caldav");
var responseTree = new XmlTreeStructure("response", "DAV:");
multistatus.AddChild(responseTree);
var href = new XmlTreeStructure("href", "DAV:");
href.AddValue(SystemProperties._baseUrl + url);
#endregion
//Check if any error occurred during body processing.
var hasError = await BuiltResponseForSet(url, null, false, setTree, responseTree);
if (hasError)
{
await DeleteCalendarCollection(propertiesAndHeaders, response);
response.ContentType = "application/xml";
ChangeToDependencyError(responseTree);
response.StatusCode = 207;
await response.WriteAsync(multistatus.ToString());
return;
}
//Checking Preconditions
if (await PosconditionCheck.PosconditionOk(propertiesAndHeaders, response))
{
await _collectionRespository.SaveChangeAsync();
return;
// return createdMessage;
}
await DeleteCalendarCollection(propertiesAndHeaders, response);
response.StatusCode = (int)HttpStatusCode.Forbidden;
await response.WriteAsync("Poscondition Failed");
}
