/// <summary>
/// Delete relations.
/// </summary>
/// <param name="dataProvider">Implementation of the data provider used to access data.</param>
public virtual void DeleteRelations(IDataProviderBase <MySqlDataReader, MySqlCommand> dataProvider)
{
ArgumentNullGuard.NotNull(dataProvider, nameof(dataProvider));
if (Identifier.HasValue == false)
{
throw new IntranetRepositoryException(Resource.GetExceptionMessage(ExceptionMessage.IllegalValue, Identifier, "Identifier"));
}
foreach (IHouseholdMemberProxy affectedHouseholdMember in MemberOfHouseholdProxy.DeleteMemberOfHouseholds(dataProvider, this))
{
HandleAffectedHouseholdMember(dataProvider, affectedHouseholdMember);
}
StorageProxy.DeleteStorages(dataProvider, Identifier.Value);
_dataProvider = (IFoodWasteDataProvider)dataProvider;
}
/// <summary>
/// Save relations.
/// </summary>
/// <param name="dataProvider">Implementation of the data provider used to access data.</param>
/// <param name="isInserting">Indication of whether we are inserting or updating.</param>
public virtual void SaveRelations(IDataProviderBase <MySqlDataReader, MySqlCommand> dataProvider, bool isInserting)
{
ArgumentNullGuard.NotNull(dataProvider, nameof(dataProvider));
if (Identifier.HasValue == false)
{
throw new IntranetRepositoryException(Resource.GetExceptionMessage(ExceptionMessage.IllegalValue, Identifier, "Identifier"));
}
IEnumerable <IHouseholdMember> householdMemberCollection = base.HouseholdMembers.ToArray(); // Using base.HouseholdMembers will not force the proxy to reload the household member collection.
IHouseholdMember householdMemberWithoutIdentifier = householdMemberCollection.FirstOrDefault(householdMember => householdMember.Identifier.HasValue == false);
if (householdMemberWithoutIdentifier != null)
{
throw new IntranetRepositoryException(Resource.GetExceptionMessage(ExceptionMessage.IllegalValue, householdMemberWithoutIdentifier.Identifier, "Identifier"));
}
IList <MemberOfHouseholdProxy> existingMemberOfHouseholdCollection = new List <MemberOfHouseholdProxy>(MemberOfHouseholdProxy.GetMemberOfHouseholds(dataProvider, this));
foreach (IHouseholdMember householdMember in householdMemberCollection.Where(m => m.Identifier.HasValue))
{
if (existingMemberOfHouseholdCollection.Any(existingMemberOfHousehold => existingMemberOfHousehold.HouseholdMemberIdentifier == householdMember.Identifier))
{
continue;
}
using (IFoodWasteDataProvider subDataProvider = (IFoodWasteDataProvider)dataProvider.Clone())
{
MemberOfHouseholdProxy memberOfHouseholdProxy = new MemberOfHouseholdProxy(householdMember, this)
{
Identifier = Guid.NewGuid()
};
existingMemberOfHouseholdCollection.Add(subDataProvider.Add(memberOfHouseholdProxy));
}
}
while (_removedHouseholdMemberCollection.Count > 0)
{
IHouseholdMember householdMemberToRemove = _removedHouseholdMemberCollection.First();
if (householdMemberToRemove.Identifier.HasValue == false)
{
_removedHouseholdMemberCollection.Remove(householdMemberToRemove);
continue;
}
MemberOfHouseholdProxy memberOfHouseholdProxyToRemove = existingMemberOfHouseholdCollection.SingleOrDefault(existingMemberOfHousehold => existingMemberOfHousehold.HouseholdMemberIdentifier == householdMemberToRemove.Identifier);
if (memberOfHouseholdProxyToRemove == null)
{
_removedHouseholdMemberCollection.Remove(householdMemberToRemove);
continue;
}
using (IFoodWasteDataProvider subDataProvider = (IFoodWasteDataProvider)dataProvider.Clone())
{
subDataProvider.Delete(memberOfHouseholdProxyToRemove);
}
HandleAffectedHouseholdMember(dataProvider, memberOfHouseholdProxyToRemove.HouseholdMember as IHouseholdMemberProxy);
_removedHouseholdMemberCollection.Remove(householdMemberToRemove);
}
_dataProvider = (IFoodWasteDataProvider)dataProvider;
}
