private static async Task <Query_Summary_Projection_Return> ProcessQueryStatusInformationProjection(
string queryName,
string queryId,
ILogger log)
{
Query_Summary_Projection_Return ret = null;
Guid queryGuid;
// use custom assembly resolve handler
using (new AzureFunctionsResolveAssembly())
{
if (Guid.TryParse(queryId, out queryGuid))
{
#region Logging
if (null != log)
{
log.LogDebug($"Getting details of query {queryName} - {queryId} in ProcessQueryStatusInformationProjection");
}
#endregion
// Get the current state of the command...
Projection getQueryState = new Projection(Constants.Domain_Query,
queryName,
queryGuid.ToString(),
nameof(Query_Summary_Projection));
if (null != getQueryState)
{
#region Logging
if (null != log)
{
log.LogDebug($"Projection processor created in ProcessCommandStatusInformationProjection");
}
#endregion
Query_Summary_Projection qryProjection =
new Query_Summary_Projection(log);
await getQueryState.Process(qryProjection);
if ((qryProjection.CurrentSequenceNumber > 0) || (qryProjection.ProjectionValuesChanged()))
{
ret = new Query_Summary_Projection_Return()
{
AsOfDate = qryProjection.CurrentAsOfDate,
AsOfStepNumber = (int)qryProjection.CurrentSequenceNumber,
Status = qryProjection.CurrentState.ToString(),
QueryName = queryName,
CorrelationIdentifier = queryId // for now the correlation id is the query id.. this may change
};
}
}
}
}
return(ret);
}
public static async Task <HttpResponseMessage> GetQueryStatusInformationProjectionnRun(
[HttpTrigger(AuthorizationLevel.Function, "get", Route = null)] HttpRequestMessage req,
ILogger log)
{
#region Logging
if (null != log)
{
log.LogDebug("Function triggered HTTP in GetQueryStatusInformationProjection");
}
#endregion
// get the query id and query name
string queryId;
string queryName;
queryId = req.GetQueryNameValuePairsExt()[@"QueryId"];
queryName = req.GetQueryNameValuePairsExt()[@"QueryName"];
if (string.IsNullOrWhiteSpace(queryId))
{
// Get request body
dynamic data = await req.Content.ReadAsAsync <object>();
queryId = data?.QueryId;
queryName = data?.QueryName;
}
// Run the projection....ProcessCommandStatusInformationProjection
Query_Summary_Projection_Return ret = await ProcessQueryStatusInformationProjection(
queryName,
queryId,
log);
if ((string.IsNullOrWhiteSpace(queryId)) || (string.IsNullOrEmpty(queryName)))
{
return(req.CreateResponse(HttpStatusCode.BadRequest,
"Please pass a query Id and query name on the query string or in the request body"));
}
else
{
return(req.CreateResponse(HttpStatusCode.OK, ret,
new System.Net.Http.Formatting.JsonMediaTypeFormatter()));
}
}
