private async Task ValidateCkModel(IOspSession session, GraphRuleEngineResult graphRuleEngineResult, IReadOnlyList <EntityUpdateInfo> entityUpdateInfoList, IReadOnlyList <AssociationUpdateInfo> associationUpdateInfoList)
{
await ValidateOrigin(session, entityUpdateInfoList, associationUpdateInfoList);
await ValidateTarget(session, entityUpdateInfoList, associationUpdateInfoList);
// Ensure that all associations exists when creating an entity
// Currently, the only mandatory association has multiplicity of One
foreach (var entityUpdateInfo in entityUpdateInfoList.Where(x => x.ModOption == EntityModOptions.Create))
{
var cacheItem = _ckCache.GetEntityCacheItem(entityUpdateInfo.RtEntity.CkId);
var inboundAssociationCacheItems = cacheItem.InboundAssociations.Values.SelectMany(x => x.Where(a => a.InboundMultiplicity == Multiplicities.One));
foreach (var inboundAssociationCacheItem in inboundAssociationCacheItems)
{
if (!associationUpdateInfoList.Any(x => x.ModOption == AssociationModOptionsDto.Create && x.RoleId == inboundAssociationCacheItem.RoleId))
{
throw new CkModelViolationException($"Inbound association '{inboundAssociationCacheItem.RoleId}' has multiplicity of 'One', but create statement is missing. Error occurred at CK type '{entityUpdateInfo.RtEntity.CkId}' (from RtId '{entityUpdateInfo.RtEntity.RtId}').");
}
}
}
// Delete all corresponding associations if an entity is deleted
foreach (var entityUpdateInfo in entityUpdateInfoList.Where(x => x.ModOption == EntityModOptions.Delete))
{
var result = await _tenantRepository.GetRtAssociationsAsync(session, entityUpdateInfo.RtEntity.RtId.ToString(), GraphDirections.Any);
graphRuleEngineResult.RtAssociationsToDelete.AddRange(result);
}
}
public async Task <GraphRuleEngineResult> ValidateAsync(IOspSession session, IReadOnlyList <EntityUpdateInfo> entityUpdateInfoList, IReadOnlyList <AssociationUpdateInfo> associationUpdateInfoList)
{
var graphValidationResult = new GraphRuleEngineResult();
// Validate if the associations are valid to be added/deleted based on the current database content
var createAssociations = associationUpdateInfoList.Where(x => x.ModOption == AssociationModOptionsDto.Create);
var deleteAssociations = associationUpdateInfoList.Where(x => x.ModOption == AssociationModOptionsDto.Delete);
await ValidateAssociationsToCreate(session, createAssociations, graphValidationResult);
await ValidateAssociationsToDelete(session, deleteAssociations, graphValidationResult);
// Validate the consistency of the construction kit model
await ValidateCkModel(session, graphValidationResult, entityUpdateInfoList, associationUpdateInfoList);
return(graphValidationResult);
}
private async Task ValidateAssociationsToCreate(IOspSession session, IEnumerable <AssociationUpdateInfo> createAssociations, GraphRuleEngineResult graphRuleEngineResult)
{
foreach (var associationUpdateInfo in createAssociations)
{
var origin = associationUpdateInfo.Origin;
var target = associationUpdateInfo.Target;
var rtAssociation = await _tenantRepository.GetRtAssociationAsync(session,
origin,
target,
associationUpdateInfo.RoleId);
if (rtAssociation != null)
{
throw new OperationFailedException($"Association from '{origin}' to '{target}' in role '{associationUpdateInfo.RoleId}' already exits.");
}
graphRuleEngineResult.RtAssociationsToCreate.Add(new RtAssociation
{
OriginRtId = associationUpdateInfo.Origin.RtId.ToObjectId(),
OriginCkId = associationUpdateInfo.Origin.CkId,
TargetRtId = associationUpdateInfo.Target.RtId.ToObjectId(),
TargetCkId = associationUpdateInfo.Target.CkId,
AssociationRoleId = associationUpdateInfo.RoleId
});
}
}
private async Task ValidateAssociationsToDelete(IOspSession session, IEnumerable <AssociationUpdateInfo> deleteAssociations, GraphRuleEngineResult graphRuleEngineResult)
{
foreach (var d in deleteAssociations)
{
var origin = d.Origin;
var target = d.Target;
var rtAssociation = await _tenantRepository.GetRtAssociationAsync(session,
origin,
target,
d.RoleId);
if (rtAssociation == null)
{
throw new OperationFailedException($"Association from '{origin}' to '{target}' in role '{d.RoleId}' does not exist");
}
graphRuleEngineResult.RtAssociationsToDelete.Add(rtAssociation);
}
}
