private Type GetRuntimeType(MappingContext <T> ctx)
{
string strRuntimeInfo;
if (ctx.Inputs.TryGetValue(EntityBaseKeys.RuntimeInfo, out strRuntimeInfo))
{
if (!DisambiguateRuntimeInfo)
{
return(RuntimeInfo.FromFormValue(strRuntimeInfo)?.EntityType);
}
else
{
RuntimeInfo runtimeInfo = strRuntimeInfo.Split(',')
.Select(r => RuntimeInfo.FromFormValue(r))
.OrderBy(a => !a.ToLite().RefersTo((Entity)(object)ctx.Value))
.FirstEx();
return(runtimeInfo?.EntityType);
}
}
else
{
return(ctx.Value?.GetType());
}
}
protected internal virtual ModifiableEntity ExtractEntity(ControllerBase controller, string prefix)
{
NameValueCollection form = controller.ControllerContext.HttpContext.Request.Form;
var state = form[TypeContextUtilities.Compose(prefix, EntityBaseKeys.EntityState)];
if (state.HasText())
{
return(Navigator.Manager.DeserializeEntity(state));
}
var key = TypeContextUtilities.Compose(prefix, EntityBaseKeys.RuntimeInfo);
RuntimeInfo runtimeInfo = RuntimeInfo.FromFormValue(form[key]);
if (runtimeInfo == null)
{
throw new ArgumentNullException("{0} not found in form request".FormatWith(key));
}
if (runtimeInfo.EntityType.IsEntity() && !runtimeInfo.IsNew)
{
return(Database.Retrieve(runtimeInfo.EntityType, runtimeInfo.IdOrNull.Value));
}
else
{
return(new ConstructorContext(controller).ConstructUntyped(runtimeInfo.EntityType));
}
}
public virtual T GetEntity(MappingContext <T> ctx)
{
string strRuntimeInfo;
if (!ctx.Inputs.TryGetValue(EntityBaseKeys.RuntimeInfo, out strRuntimeInfo))
{
return(ctx.Value); //I only have some ValueLines of an Entity (so no Runtime, Id or anything)
}
RuntimeInfo runtimeInfo;
if (!DesambiguateRuntimeInfo)
{
runtimeInfo = RuntimeInfo.FromFormValue(strRuntimeInfo);
}
else
{
runtimeInfo = strRuntimeInfo.Split(',')
.Select(r => RuntimeInfo.FromFormValue(r))
.OrderBy(a => !a?.ToLite().RefersTo((Entity)(object)ctx.Value))
.FirstEx();
}
if (runtimeInfo == null)
{
return(null);
}
if (typeof(T).IsEmbeddedEntity())
{
if (runtimeInfo.IsNew || ctx.Value == null)
{
return(new ConstructorContext(ctx.Controller).Construct <T>());
}
return(ctx.Value);
}
else if (typeof(T).IsModelEntity())
{
if (runtimeInfo.IsNew || ctx.Value == null)
{
return(new ConstructorContext(ctx.Controller).Construct <T>());
}
return(ctx.Value);
}
else
{
Entity identifiable = (Entity)(ModifiableEntity)ctx.Value;
var result = GetEntity(ctx.Controller, runtimeInfo, identifiable);
if (result is Entity && runtimeInfo.Ticks != null)
{
((Entity)(ModifiableEntity)result).ticks = runtimeInfo.Ticks.Value;
}
return(result);
}
}
protected internal virtual Lite <T> ExtractLite <T>(ControllerBase controller, string prefix)
where T : class, IEntity
{
NameValueCollection form = controller.ControllerContext.HttpContext.Request.Form;
RuntimeInfo runtimeInfo = RuntimeInfo.FromFormValue(form[TypeContextUtilities.Compose(prefix, EntityBaseKeys.RuntimeInfo)]);
if (!runtimeInfo.IdOrNull.HasValue)
{
throw new ArgumentException("Could not create a Lite without an Id");
}
return((Lite <T>)runtimeInfo.ToLite());
}
public Lite <S> Change(MappingContext <Lite <S> > ctx)
{
string strRuntimeInfo;
if (!ctx.Inputs.TryGetValue(EntityBaseKeys.RuntimeInfo, out strRuntimeInfo)) //I only have some ValueLines of an Entity (so no Runtime, Id or anything)
{
return(TryModifyEntity(ctx, ctx.Value));
}
RuntimeInfo runtimeInfo = RuntimeInfo.FromFormValue(strRuntimeInfo);
Lite <S> lite = (Lite <S>)ctx.Value;
if (runtimeInfo == null)
{
return(null);
}
if (runtimeInfo.IsNew)
{
if (lite != null && lite.EntityOrNull != null && lite.EntityOrNull.IsNew)
{
return(TryModifyEntity(ctx, lite));
}
return(TryModifyEntity(ctx, (Lite <S>)((Entity) new ConstructorContext(ctx.Controller).ConstructUntyped(runtimeInfo.EntityType)).ToLiteFat()));
}
if (lite == null)
{
return(TryModifyEntity(ctx, (Lite <S>)Database.RetrieveLite(runtimeInfo.EntityType, runtimeInfo.IdOrNull.Value)));
}
if (runtimeInfo.IdOrNull.Value == lite.IdOrNull && runtimeInfo.EntityType == lite.EntityType)
{
return(TryModifyEntity(ctx, lite));
}
return(TryModifyEntity(ctx, (Lite <S>)Database.RetrieveLite(runtimeInfo.EntityType, runtimeInfo.IdOrNull.Value)));
}