public void CreateEntity <TRecord>(IRecordCollectionGetter <TRecord> getter, Func <IPaperContext, TPaperInstance, TData, ICollection <TRecord>, TRecord, Entity> entityFactory)
{
this.statements.Add(ctx =>
{
if (ctx.OutgoingData.IsPayload)
{
return;
}
var host = (TPaperInstance)ctx.Cache[PaperInstanceKey];
var data = (TData)ctx.Cache[DataKey];
var nodes = getter.GetNodes(ctx);
var records = getter.GetRecords(ctx);
if (!ctx.Cache.ContainsKey(EntityKey))
{
ctx.Cache[EntityKey] = CreateDefaultEntity(@object: null);
}
foreach (var node in nodes)
{
node.Entity = entityFactory.Invoke(ctx, host, data, records, node.Record);
var parent = node.Parent?.Entity ?? (Entity)ctx.Cache[EntityKey];
parent.Add(node.Entity);
}
});
}
public void FormatEntity <TRecord>(IRecordCollectionGetter <TRecord> getter, Action <IPaperContext, TPaperInstance, TData, ICollection <TRecord>, TRecord, Entity> formatter)
{
this.statements.Add(ctx =>
{
if (ctx.OutgoingData.IsPayload)
{
return;
}
var host = (TPaperInstance)ctx.Cache[PaperInstanceKey];
var data = (TData)ctx.Cache[DataKey];
var nodes = getter.GetNodes(ctx);
var records = getter.GetRecords(ctx);
foreach (var node in nodes)
{
if (node.Entity == null)
{
node.Entity = CreateDefaultEntity(node.Record);
var parent = node.Parent?.Entity ?? (Entity)ctx.Cache[EntityKey];
parent.Add(node.Entity);
}
formatter.Invoke(ctx, host, data, records, node.Record, node.Entity);
}
});
}
public IRecordCollectionGetter <TRecord> PopulateRecords <TRef, TRecord>(IRecordCollectionGetter <TRef> @ref, Func <IPaperContext, TPaperInstance, TData, TRef, ICollection <TRecord> > populator)
{
var recordKey = $"Record-{Guid.NewGuid():B}";
var nodeKey = $"Node-{recordKey}";
this.statements.Add(ctx =>
{
var host = (TPaperInstance)ctx.Cache[PaperInstanceKey];
var data = (TData)ctx.Cache[DataKey];
var recordArray = new List <ICollection <TRecord> >();
var nodeArray = new List <ICollection <INode <TRecord> > >();
var items = @ref.GetNodes(ctx);
foreach (var parent in items)
{
var records = populator.Invoke(ctx, host, data, parent.Record);
var nodes = records.Select(x => new Node <TRecord> {
Parent = parent, Record = x
}).ToArray();
recordArray.Add(records);
nodeArray.Add(nodes);
}
ctx.Cache[recordKey] = recordArray;
ctx.Cache[nodeKey] = nodeArray;
});
return(new RecordCollectionGetter <TRecord>(recordKey, nodeKey));
}
