/// <summary>
/// Deserializes a surrogate object.
/// </summary>
/// <param name="value">The surrogate.</param>
/// <returns>The object.</returns>
private static object Deserialize(object value)
{
// convert from surrogate type to actual type
if (value is long)
{
// for object references, the default json numeric type is long but the end result should be int
return(Convert.ToInt32(value));
}
if (value is JsonGuid)
{
return(new Guid(((JsonGuid)value).Value));
}
if (value is JsonEntityFilters)
{
return((EntityFilters)((JsonEntityFilters)value).Value);
}
if (value is JsonList <KeyValuePair <Relationship, QueryBase> > )
{
var dictionary = new RelationshipQueryCollection();
dictionary.AddRange(((JsonList <KeyValuePair <Relationship, QueryBase> >)value).Value);
return(dictionary);
}
return(value);
}
//TODO: update to also take in cascading filtering on Assign, Delete, Merge, reparent, rollup
internal Entity GetDbEntityWithRelatedEntities(EntityReference reference, EntityRole primaryEntityRole, EntityReference userRef, CascadeSelection cascadeSelection = null, params Relationship[] relations)
{
var entity = db.GetEntityOrNull(reference);
if (entity == null)
{
return(null);
}
var metadata = this.metadata.EntityMetadata.GetMetadata(entity.LogicalName);
if (entity.RelatedEntities.Count() > 0)
{
var clone = entity.CloneEntity(metadata, new ColumnSet(true));
db.Update(clone);
entity = clone;
}
var relationQuery = new RelationshipQueryCollection();
var relationsMetadata =
primaryEntityRole == EntityRole.Referenced
? metadata.OneToManyRelationships
: metadata.ManyToOneRelationships;
if (cascadeSelection != null)
{
relationsMetadata.Where(x => CascadeCompare(x.CascadeConfiguration, cascadeSelection));
}
if (relations.Any())
{
relationsMetadata = relationsMetadata.Join(relations, x => x.SchemaName, y => y.SchemaName, (r1, r2) => r1).ToArray();
}
relationQuery.AddRange(
relationsMetadata
.Select(relationshipMeta =>
{
var rel = new Relationship()
{
SchemaName = relationshipMeta.SchemaName,
PrimaryEntityRole = primaryEntityRole
};
var query = new QueryExpression()
{
EntityName =
primaryEntityRole == EntityRole.Referenced
? relationshipMeta.ReferencingEntity
: relationshipMeta.ReferencedEntity,
ColumnSet = new ColumnSet(true)
};
return(new KeyValuePair <Relationship, QueryBase>(rel, query));
}));
foreach (var relationshipMeta in relationsMetadata)
{
}
if (cascadeSelection == null)
{
var relationShipManyMetadata = metadata.ManyToManyRelationships;
if (relations.Any())
{
relationShipManyMetadata = relationShipManyMetadata.Join(relations, x => x.SchemaName, y => y.SchemaName, (r1, r2) => r1).ToArray();
}
relationQuery.AddRange(relationShipManyMetadata
.Select(relationshipMeta =>
{
var rel = new Relationship()
{
SchemaName = relationshipMeta.SchemaName
};
var query = new QueryExpression(relationshipMeta.IntersectEntityName)
{
ColumnSet = new ColumnSet(true)
};
return(new KeyValuePair <Relationship, QueryBase>(rel, query));
}));
}
AddRelatedEntities(entity, relationQuery, userRef);
return(entity);
}
