private async Task <List <DataValuesModel> > NewHistory(string energySource)
{
// Retrieve config values
string energySourceMPAN = _config.GetValue <string>($"OctopusApi:{energySource}:mpan");
string energySourceSerialNumber = _config.GetValue <string>($"OctopusApi:{energySource}:serial_number");
// Retrieve latest record from database and the data source id
DataValuesModel lastRecordEnergySource = await _dataValues.RetrieveLastRecordForSourceAsync(energySource);
DataSourcesModel energySourceModel = await _dataSources.GetDataSourceIdFromName(energySource);
// Variables
List <DataValuesModel> returnList = new List <DataValuesModel>();
int page = 1;
int useCount = 0;
while (true)
{
// Get a page of values
ApiModel temp = await _octopusHelper.GetConsumptionPage(energySource, page, energySourceMPAN, energySourceSerialNumber);
if (useCount == 0)
{
useCount = temp.Count;
}
else if (useCount != temp.Count)
{
// Throw an error if the ammount of records get changed as the program is making subsequent calls
// Look if there is a more gracefull way of handling this error in the future
throw new Exception();
}
// Parse from ApiModel to List<DataValuesModel>
List <DataValuesModel> tempList = MapApiToDatabase(temp, energySourceModel);
// Look at each record and determine if the last record in the database has been reached
foreach (var item in tempList)
{
// TODO: look at a way to incorporate a way to determine if two instances of a class hold the same values determining them as "equal"
// even if they are different instances of a class.
bool tempBoolTest = item.Data_source_id == lastRecordEnergySource.Data_source_id &
item.Data_Value == lastRecordEnergySource.Data_Value &
item.Data_interval_start_datetime == lastRecordEnergySource.Data_interval_start_datetime &
item.Data_interval_start_offset == lastRecordEnergySource.Data_interval_start_offset &
item.Data_interval_end_datetime == lastRecordEnergySource.Data_interval_end_datetime &
item.Data_interval_end_offset == lastRecordEnergySource.Data_interval_end_offset;
// Record match found
if (tempBoolTest)
{
return(returnList);
}
// Record not found
else
{
returnList.Add(item);
}
}
page++;
}
}
