protected virtual Func<PomonaContext, PomonaResponse> ResolveGetCollectionProperty(ResourcePropertyRoute route,
ResourceProperty property,
ResourceType resourceItemType)
{
if (this.capabilityResolver.PropertyIsMapped(property.PropertyInfo) || property.GetPropertyFormula() != null)
{
return
pr =>
{
// Check existance of parent here, cannot differentiate between an empty collection and not found.
var parent = pr.Node.Parent;
if (parent.Route.IsSingle)
{
if (!parent.Exists)
throw new ResourceNotFoundException("Resource not found.");
}
return new PomonaResponse(
parent
.Query()
.OfTypeIfRequired(pr.Node.Route.InputType)
.SelectManyEx(x => x.Apply(property.CreateGetterExpression))
.WrapActionResult(defaultPageSize : property.ExposedAsRepository ? (int?)null : int.MaxValue));
};
}
else
{
return
pr =>
{
var parentNode = pr.Node.Parent;
if (parentNode.Route.IsSingle)
return new PomonaResponse(((IEnumerable)property.GetValue(parentNode.Get())).AsQueryable());
return new PomonaResponse(
pr.Node.Parent
.Query()
.OfTypeIfRequired(pr.Node.Route.InputType)
.ToListDetectType()
.AsQueryable()
.SelectManyEx(x => x.Apply(property.CreateGetterExpression))
.WrapActionResult(defaultPageSize : property.ExposedAsRepository ? (int?)null : int.MaxValue));
};
}
}
protected virtual Func <PomonaContext, PomonaResponse> ResolveGetCollectionProperty(ResourcePropertyRoute route,
ResourceProperty property,
ResourceType resourceItemType)
{
if (this.capabilityResolver.PropertyIsMapped(property.PropertyInfo) || property.GetPropertyFormula() != null)
{
return
(pr =>
{
// Check existance of parent here, cannot differentiate between an empty collection and not found.
var parent = pr.Node.Parent;
if (parent.Route.IsSingle)
{
if (!parent.Exists)
{
throw new ResourceNotFoundException("Resource not found.");
}
}
return new PomonaResponse(
parent
.Query()
.OfTypeIfRequired(pr.Node.Route.InputType)
.SelectManyEx(x => x.Apply(property.CreateGetterExpression))
.WrapActionResult(defaultPageSize: property.ExposedAsRepository ? (int?)null : int.MaxValue));
});
}
else
{
return
(pr =>
{
var parentNode = pr.Node.Parent;
if (parentNode.Route.IsSingle)
{
return new PomonaResponse(((IEnumerable)property.GetValue(parentNode.Get())).AsQueryable());
}
return new PomonaResponse(
pr.Node.Parent
.Query()
.OfTypeIfRequired(pr.Node.Route.InputType)
.ToListDetectType()
.AsQueryable()
.SelectManyEx(x => x.Apply(property.CreateGetterExpression))
.WrapActionResult(defaultPageSize: property.ExposedAsRepository ? (int?)null : int.MaxValue));
});
}
}
protected virtual Func<PomonaContext, PomonaResponse> ResolveGetSingleProperty(ResourcePropertyRoute route,
StructuredProperty property,
ResourceType resourceType)
{
return
pr =>
new PomonaResponse(pr,
pr.Node.Parent.Query()
.SelectEx(x => x.Apply(property.CreateGetterExpression))
.WrapActionResult(QueryProjection.FirstOrDefault));
}
protected virtual Func <PomonaContext, PomonaResponse> ResolveGetSingleProperty(ResourcePropertyRoute route,
StructuredProperty property,
ResourceType resourceType)
{
return
(pr =>
new PomonaResponse(pr,
pr.Node.Parent.Query()
.SelectEx(x => x.Apply(property.CreateGetterExpression))
.WrapActionResult(QueryProjection.FirstOrDefault)));
}