public static DeviceImportContext BeginImport(DiscoDataContext Database, string Filename, bool HasHeader, Stream FileContent)
{
if (FileContent == null)
throw new ArgumentNullException("FileContent");
if (string.IsNullOrWhiteSpace(Filename))
Filename = "<None Specified>";
DeviceImportContext context;
List<Tuple<string, DeviceImportFieldTypes>> header;
List<string[]> rawData;
using (TextReader csvTextReader = new StreamReader(FileContent))
{
using (CsvReader csvReader = new CsvReader(csvTextReader, HasHeader))
{
csvReader.DefaultParseErrorAction = ParseErrorAction.ThrowException;
csvReader.MissingFieldAction = MissingFieldAction.ReplaceByNull;
rawData = csvReader.ToList();
header = csvReader.GetFieldHeaders().Select(h => Tuple.Create(h, DeviceImportFieldTypes.IgnoreColumn)).ToList();
}
}
context = new DeviceImportContext(Filename, header, rawData);
context.GuessHeaderTypes(Database);
return context;
}
public static ScheduledTaskStatus ScheduleNow(DeviceImportContext Context)
{
if (Context == null)
throw new ArgumentNullException("Context");
// Build Data Map
var task = new DeviceImportApplyTask();
JobDataMap taskData = new JobDataMap() { { JobDataMapContext, Context } };
// Schedule Task
return task.ScheduleTask(taskData);
}
internal static void Import_StoreContext(DeviceImportContext Context)
{
string key = string.Format(ImportSessionCacheKey, Context.SessionId);
HttpRuntime.Cache.Insert(key, Context, null, DateTime.Now.AddMinutes(60), Cache.NoSlidingExpiration, CacheItemPriority.NotRemovable, null);
}
public abstract int? GuessHeader(DiscoDataContext Database, DeviceImportContext Context);
public abstract bool Parse(DiscoDataContext Database, IDeviceImportCache Cache, DeviceImportContext Context, int RecordIndex, string DeviceSerialNumber, Device ExistingDevice, Dictionary<DeviceImportFieldTypes, string> Values, string Value);