public ResultSerialData GetMultipleItems(IEnumerable <Dto> partialDtos, string[] expand)
{
var resultSerialData = new ResultSerialData()
{
Items = null,
EntityTypeName = this.entityTypeName,
TotalCount = 0,
RelatedItems = { }
};
var derivedEntity = default(T);
if (this.dataContext.entitySets.ContainsKey(this.entityTypeName))
{
var dtos = new List <Dto>();
var entitySet = (EntitySet <T>) this.dataContext.entitySets[this.entityTypeName];
foreach (var partialDto in partialDtos)
{
derivedEntity = entitySet.FindByKey(partialDto);
if (derivedEntity != null)
{
dtos.Add(derivedEntity.entity.dto);
}
}
resultSerialData.Items = dtos;
DataViewLocalDtoUtils.FillResultRelatedItems(this.entityTypeName, resultSerialData, expand, this.dataContext, this.metadataSrv);
}
return(resultSerialData);
}
public IEnumerable <IDerivedEntity> AttachEntities(ResultSerialData resultSerialData)
{
var entityTypeName = resultSerialData.EntityTypeName;
var derivedEntityList = this.TraverseResults(entityTypeName, resultSerialData.Items);
this.AttachRelatedItems(resultSerialData.RelatedItems);
return(derivedEntityList);
}
public static void FillResultSingleRelatedItems(string entityTypeName, ResultSingleSerialData resultSingleSerialData, string[] expand, DataContext dataContext, MetadataSrv.Metadata metadataSrv)
{
if (resultSingleSerialData.Item != null)
{
var resultSerialData = new ResultSerialData()
{
Items = new List <Dto>()
{
resultSingleSerialData.Item
},
EntityTypeName = entityTypeName,
TotalCount = 0,
RelatedItems = { }
};
FillResultRelatedItems(entityTypeName, resultSerialData, expand, dataContext, metadataSrv);
resultSingleSerialData.RelatedItems = resultSerialData.RelatedItems;
}
}
public ResultSerialData GetItems(Func <T, bool> predicate, string[] expand)
{
var resultSerialData = new ResultSerialData()
{
Items = { },
EntityTypeName = this.entityTypeName,
TotalCount = 0,
RelatedItems = { }
};
if (this.dataContext.entitySets.ContainsKey(this.entityTypeName))
{
var entitySet = (EntitySet <T>) this.dataContext.entitySets[this.entityTypeName];
var derivedEntityList = entitySet.Filter(predicate);
resultSerialData.Items = derivedEntityList.Select((it) => it.entity.dto).ToList();
DataViewLocalDtoUtils.FillResultRelatedItems(this.entityTypeName, resultSerialData, expand, this.dataContext, this.metadataSrv);
}
return(resultSerialData);
}
public static void FillResultRelatedItems(string entityTypeName, ResultSerialData resultSerialData, string[] expand, DataContext dataContext, MetadataSrv.Metadata metadataSrv)
{
if (expand != null && expand.Length > 0 && resultSerialData.Items != null && resultSerialData.Items.Count() > 0)
{
var splitExpand = DataUtils.SplitExpand(expand, (el) => el);
foreach (var branch in DataUtils.NavigationBranch(splitExpand))
{
var navs = DataUtils.BranchToNavigation(entityTypeName, branch, metadataSrv);
var lastNav = navs[navs.Count - 1];
var rootEntityTypeName = string.Empty;
IEnumerable <Dto> rootItems;
if (branch.Length == 1)
{
rootEntityTypeName = entityTypeName;
rootItems = resultSerialData.Items;
}
else
{
rootEntityTypeName = navs[navs.Count - 2].EntityTypeName;
rootItems = resultSerialData.RelatedItems[rootEntityTypeName];
}
var navigationPropertyName = branch[branch.Length - 1];
var entityTypeNameLocal = lastNav.EntityTypeName;
var relatedEntityItems = dataContext.GetRelatedEntities(rootEntityTypeName, rootItems, navigationPropertyName).ToList();
if (resultSerialData.RelatedItems == null)
{
resultSerialData.RelatedItems = new Dictionary <string, IEnumerable <Dto> >();
}
if (!resultSerialData.RelatedItems.ContainsKey(entityTypeNameLocal))
{
resultSerialData.RelatedItems[entityTypeNameLocal] = relatedEntityItems.Select(it => it.entity.dto);
}
else
{
var items = resultSerialData.RelatedItems[entityTypeNameLocal].ToList();
PushMultiIfNotThere(relatedEntityItems, items);
resultSerialData.RelatedItems[entityTypeNameLocal] = items;
}
}
}
}
