private void WriteTreeAssociations()
{
var supportTree = this.EntityMeta.IsTreeEntity;
if (supportTree)
{
foreach (var property in this.EntityMeta.EntityProperties)
{
if (property.ManagedProperty == Entity.TreePIdProperty)
{
_entityModel.associations.Add(new BelongsToAssociation
{
associationKey = "TreeParent",
foreignKey = property.Name,
model = ClientEntities.GetClientName(this.EntityMeta.EntityType),
});
_entityModel.associations.Add(new HasManyAssociation
{
name = "TreeChildren",
foreignKey = property.Name,
model = ClientEntities.GetClientName(this.EntityMeta.EntityType),
});
break;
}
}
}
}
private void WriteChildren()
{
var em = this.EntityMeta;
var children = em.ChildrenProperties;
for (int i = 0, c = children.Count; i < c; i++)
{
var child = children[i];
var listProperty = child.ManagedProperty as IListProperty;
if (listProperty.HasManyType == HasManyType.Composition)
{
var pRefMeta = child.ChildType.FindParentReferenceProperty();
if (pRefMeta != null)
{
var childType = child.ChildType.EntityType;
var association = new HasManyAssociation
{
name = child.Name,
foreignKey = (pRefMeta.ManagedProperty as IRefProperty).RefIdProperty.Name,
model = ClientEntities.GetClientName(childType),
};
_entityModel.associations.Add(association);
}
}
}
}
private static ModuleJson ToJson(WebModuleMeta module)
{
var mJson = new ModuleJson
{
keyLabel = module.KeyLabel
};
if (module.HasUI)
{
if (module.IsCustomUI)
{
mJson.url = module.Url;
}
else
{
mJson.model = ClientEntities.GetClientName(module.EntityType);
mJson.clientRuntime = module.ClientRuntime;
mJson.viewName = module.AggtBlocksName;
}
}
foreach (WebModuleMeta child in module.Children)
{
var childJson = ToJson(child);
mJson.children.Add(childJson);
}
return(mJson);
}
private void WriteReference()
{
var properties = this.EntityMeta.EntityProperties;
for (int i = 0, c = properties.Count; i < c; i++)
{
var property = properties[i];
var refProperty = property.ManagedProperty as IRefEntityProperty;
if (refProperty != null)
{
var association = new BelongsToAssociation
{
associationKey = refProperty.RefEntityProperty.Name,
foreignKey = refProperty.RefIdProperty.Name,
model = ClientEntities.GetClientName(refProperty.RefEntityType),
};
_entityModel.associations.Add(association);
}
}
}
private static object ConvertOutputComponent(object value)
{
//服务的输出属性如果类型是一个实体或者实体列表，则需要进行格式转换。
if (value is IDomainComponent)
{
var model = (value as IDomainComponent).GetRepository().EntityType;
//TODO：这里可能存在问题：当一个非默认的视图请求这个服务得到一个默认视图的实体数据时，可能会因为列不一致而出现问题。
var defaultVM = UIModel.Views.CreateBaseView(model);
if (value is EntityList)
{
var listRes = new EntityJsonList {
model = model
};
EntityJsonConverter.EntityToJson(defaultVM, value as EntityList, listRes.entities);
listRes.total = listRes.entities.Count;
value = listRes;
}
else if (value is Entity)
{
var entityJson = new EntityJson();
EntityJsonConverter.EntityToJson(defaultVM, value as Entity, entityJson);
//在纯数据的基础上添加以下两个约定的属性：标记这是一个实体以及它在客户端的类型名称。
entityJson.SetProperty(Consts.isEntityProperty, BooleanBoxes.True);
entityJson.SetProperty(Consts.modelProperty, ClientEntities.GetClientName(model));
value = entityJson;
}
else
{
throw new NotSupportedException("只支持对实体、实体列表进行格式转换。");
}
}
return(value);
}