public EntityRelationResponse Create(EntityRelation relation)
{
EntityRelationResponse response = new EntityRelationResponse();
response.Timestamp = DateTime.UtcNow;
response.Object = relation;
response.Errors = ValidateRelation(relation, ValidationType.Create);
if (response.Errors.Count > 0)
{
response.Success = false;
response.Message = "The entity relation was not created. Validation error occurred!";
return response;
}
try
{
var storageRelation = relation.MapTo<IStorageEntityRelation>();
if (storageRelation.Id == Guid.Empty)
storageRelation.Id = Guid.NewGuid();
var success = relationRepository.Create(storageRelation);
if (success)
{
response.Success = true;
response.Message = "The entity relation was successfully created!";
return response;
}
else
{
response.Success = false;
response.Message = "The entity relation was not created! An internal error occurred!";
return response;
}
}
catch (Exception e)
{
response.Success = false;
response.Object = relation;
response.Timestamp = DateTime.UtcNow;
#if DEBUG
response.Message = e.Message + e.StackTrace;
#else
response.Message = "The entity relation was not created. An internal error occurred!";
#endif
return response;
}
}
public EntityRelationResponse Delete(Guid relationId)
{
EntityRelationResponse response = new EntityRelationResponse();
response.Timestamp = DateTime.UtcNow;
response.Success = false;
response.Object = null;
try
{
var storageRelation = relationRepository.Read(relationId);
if (storageRelation != null)
{
relationRepository.Delete(relationId);
response.Object = storageRelation.MapTo<EntityRelation>();
response.Success = true;
response.Message = "The entity relation was deleted!";
return response;
}
else
{
response.Message = string.Format("The entity relation was not deleted! No instance with specified id ({0}) was found!", relationId);
return response;
}
}
catch (Exception e)
{
#if DEBUG
response.Message = string.Format("Relation ID: {0}, /r/nMessage:{1}/r/nStackTrace:{2}", relationId, e.Message, e.StackTrace);
#else
response.Message = "The entity relation was not delete. An internal error occurred!";
#endif
return response;
}
}
public EntityRelationResponse Read(Guid relationId)
{
EntityRelationResponse response = new EntityRelationResponse();
response.Timestamp = DateTime.UtcNow;
response.Object = null;
response.Success = true;
try
{
var storageRelation = relationRepository.Read(relationId);
if (storageRelation != null)
{
response.Object = storageRelation.MapTo<EntityRelation>();
response.Message = "The entity relation was successfully returned!";
}
else
response.Message = string.Format("The entity relation '{0}' does not exist!", relationId);
return response;
}
catch (Exception e)
{
response.Success = false;
#if DEBUG
response.Message = e.Message + e.StackTrace;
#endif
return response;
}
}
public EntityRelationResponse Read(string name)
{
EntityRelationResponse response = new EntityRelationResponse();
response.Timestamp = DateTime.UtcNow;
response.Object = null;
if (string.IsNullOrWhiteSpace(name))
{
response.Success = false;
response.Errors.Add(new ErrorModel("name", null, "The name argument is NULL."));
return response;
}
try
{
IStorageEntityRelation storageRelation = relationRepository.Read(name);
response.Success = false;
if (storageRelation != null)
{
response.Object = storageRelation.MapTo<EntityRelation>();
response.Success = true;
response.Message = "The entity relation was successfully returned!";
}
else
{
response.Success = true;
response.Message = string.Format("The entity relation '{0}' does not exist!", name);
}
return response;
}
catch (Exception e)
{
response.Success = false;
#if DEBUG
response.Message = e.Message + e.StackTrace;
#endif
return response;
}
}
public EntityRelationResponse Read(Guid relationId)
{
EntityRelationResponse response = new EntityRelationResponse();
response.Timestamp = DateTime.UtcNow;
response.Object = null;
response.Success = true;
try
{
var relations = Cache.GetRelations();
if (relations != null)
{
response.Object = relations.SingleOrDefault(x => x.Id == relationId);
response.Success = true;
if (response.Object != null)
response.Message = "The entity relation was successfully returned!";
else
response.Message = string.Format("The entity relation with id '{0}' does not exist!", relationId);
return response;
}
relations = Read().Object;
response.Object = relations.SingleOrDefault( x=>x.Id == relationId);
if (response.Object != null)
{
response.Message = "The entity relation was successfully returned!";
}
else
response.Message = string.Format("The entity relation '{0}' does not exist!", relationId);
return response;
}
catch (Exception e)
{
response.Success = false;
#if DEBUG
response.Message = e.Message + e.StackTrace;
#endif
return response;
}
}
public EntityRelationResponse Read(string name)
{
EntityRelationResponse response = new EntityRelationResponse();
response.Timestamp = DateTime.UtcNow;
response.Object = null;
if (string.IsNullOrWhiteSpace(name))
{
response.Success = false;
response.Errors.Add(new ErrorModel("name", null, "The name argument is NULL."));
return response;
}
var relations = Cache.GetRelations();
if( relations != null )
{
response.Object = relations.SingleOrDefault(x => x.Name == name);
response.Success = true;
if(response.Object!=null)
response.Message = "The entity relation was successfully returned!";
else
response.Message = string.Format("The entity relation '{0}' does not exist!", name);
return response;
}
try
{
relations = Read().Object;
response.Object = relations.SingleOrDefault(x => x.Name == name);
response.Success = false;
if (response.Object != null)
{
response.Success = true;
response.Message = "The entity relation was successfully returned!";
}
else
{
response.Success = true;
response.Message = string.Format("The entity relation '{0}' does not exist!", name);
}
return response;
}
catch (Exception e)
{
response.Success = false;
#if DEBUG
response.Message = e.Message + e.StackTrace;
#endif
return response;
}
}
