private async Task <IList <IBoardPostEntity> > LoadEntities(IList <PostStoreEntityId> ids, PostStoreLoadMode mode)
{
ValueTask <List <IBoardPostEntity> > DoLoad(IList <PostStoreEntityId> toLoad)
{
return(OpenSession(session =>
{
var result = new List <IBoardPostEntity>();
var loadContext = CreateLoadContext(session, true, true);
var loadContextToDispose = loadContext;
using (loadContextToDispose)
{
foreach (var id in toLoad)
{
Api.MakeKey(loadContext.table.Session, loadContext.table, id.Id, MakeKeyGrbit.NewKey);
if (Api.TrySeek(loadContext.table.Session, loadContext.table, SeekGrbit.SeekEQ))
{
var r = LoadBoardEntity(session, ref loadContext, mode);
result.Add(r);
}
}
}
return result;
}));
}
if (ids == null)
{
throw new ArgumentNullException(nameof(ids));
}
mode = mode ?? DefaultLoadMode;
IList <IBoardPostEntity> loaded;
if (ids.Count > 4)
{
var toLoad = ids.DistributeToProcess(3);
var tasks = toLoad.Select(DoLoad).ToArray();
var taskResults = await CoreTaskHelper.WhenAllValueTasks(tasks);
loaded = taskResults.SelectMany(r => r).ToList();
}
else
{
loaded = await DoLoad(ids);
}
if (mode.EntityLoadMode == PostStoreEntityLoadMode.Full)
{
await FillChildrenInLoadResult(loaded);
}
return(loaded);
}
private IBoardPostEntity LoadThreadCollection(IEsentSession session, ref LoadPostDataContext loadContext, PostStoreLoadMode loadMode, PostStoreEntityType entityType)
{
switch (loadMode.EntityLoadMode)
{
case PostStoreEntityLoadMode.LinkOnly:
return(LoadLinkOnly(loadContext.table));
case PostStoreEntityLoadMode.EntityOnly:
return(LoadBareEntity(loadContext.table, entityType));
case PostStoreEntityLoadMode.Light:
case PostStoreEntityLoadMode.Full:
return(LoadThreadCollection(loadContext.table));
default:
return(null);
}
}
private IBoardPostEntity LoadBoardEntity(IEsentSession session, ref LoadPostDataContext loadContext, PostStoreLoadMode loadMode)
{
var entityType = (PostStoreEntityType)loadContext.table.Columns.EntityType;
var dl = loadContext.table.Columns.DataLoaded;
if (loadMode.EntityLoadMode != PostStoreEntityLoadMode.EntityOnly &&
loadMode.EntityLoadMode != PostStoreEntityLoadMode.LinkOnly && dl == false)
{
var loadMode1 = loadMode.Clone();
loadMode1.EntityLoadMode = PostStoreEntityLoadMode.EntityOnly;
loadMode = loadMode1;
}
switch (entityType)
{
case PostStoreEntityType.Post:
case PostStoreEntityType.ThreadPreviewPost:
case PostStoreEntityType.CatalogPost:
return(LoadPost(session, ref loadContext, loadMode, entityType));
case PostStoreEntityType.Thread:
case PostStoreEntityType.Catalog:
return(LoadPostCollection(session, ref loadContext, loadMode, entityType));
case PostStoreEntityType.ThreadPreview:
return(LoadThreadPreview(session, ref loadContext, loadMode, entityType));
case PostStoreEntityType.BoardPage:
return(LoadThreadCollection(session, ref loadContext, loadMode, entityType));
default:
return(null);
}
}
private IBoardPostEntity LoadPost(IEsentSession session, ref LoadPostDataContext loadContext, PostStoreLoadMode loadMode, PostStoreEntityType entityType)
{
switch (loadMode.EntityLoadMode)
{
case PostStoreEntityLoadMode.LinkOnly:
return(LoadLinkOnly(loadContext.table));
case PostStoreEntityLoadMode.EntityOnly:
return(LoadBareEntity(loadContext.table, entityType));
case PostStoreEntityLoadMode.Light:
return(LoadPostLight(session, loadContext.table, loadMode.RetrieveCounterNumber, entityType));
case PostStoreEntityLoadMode.Full:
return(LoadPost(session, ref loadContext, loadMode.RetrieveCounterNumber, entityType));
default:
return(null);
}
}
