public uint CreateNewSubject(SubjectAlterations mods)
{
var withValues = mods.Where(x => HasValue(x)).ToList();
if (!withValues.Any())
{
throw Fault.BadData(mods, "No non-NULL values in list.");
}
var newId = InsertSeedRow(withValues, 0);
using (var db = ConnectToDB(out LiteCollection <SubjectValueMod> col))
{
using (var trans = db.BeginTrans())
{
for (int i = 1; i < withValues.Count; i++)
{
var row = withValues[i];
row.SubjectID = newId;
col.Insert(row);
}
trans.Commit();
}
}
_subjectCreated.Raise(Tuple.Create(mods, newId));
return(newId);
}
public static T GetOne <T>(this IEnumerable <T> collection, Func <T, bool> predicate, string predicateDescription)
{
if (collection == null)
{
throw Fault.BadData("collection == NULL");
}
if (!collection.Any())
{
throw Fault.BadData("Collection has no items");
}
var matches = collection.Where(predicate);
if (matches.Count() == 1)
{
return(matches.First());
}
var typ = typeof(T).Name;
if (matches.Count() == 0)
{
throw Fault.BadData($"No ‹{typ}› found where [{predicate}].");
}
else
{
throw Fault.BadData($"Multiple ‹{typ}› found where [{predicate}].");
}
}
public static void IfFound <TKey, TVal>(
this Dictionary <TKey, TVal> dict,
TKey key,
Action <TVal> action,
bool errorIfMissing = false)
{
if (dict.TryGetValue(key, out TVal value))
{
action(value);
}
else if (errorIfMissing)
{
throw Fault.BadData($"Dictionary ‹{typeof(TVal).Name}› does not contain key [{key}].");
}
}
//public async Task<NodeReply> Upload(R2Package localPkg)
//{
// try
// {
// Alerter.Show(await ExecuteUpload(localPkg), "Upload");
// }
// catch (Exception ex)
// {
// Alerter.ShowError("Upload Error", ex.Info(false, true));
// }
//}
public async Task <NodeReply> StartUpload(R2Package localPkg, string revisionLog)
{
if (localPkg.nid == 0)
{
throw Fault
.BadData(localPkg, "nid should NOT be zero");
}
_cancelr = new CancellationTokenSource();
try
{
return(await ExecuteUpload(localPkg, revisionLog, _cancelr.Token));
}
catch (OperationCanceledException ex)
{
return(NodeReply.Fail(ex));
}
}
