/// <summary>
/// Updates the reference relations.
/// </summary>
/// <param name="taxon">The source taxon.</param>
/// <param name="guid">The unique identifier.</param>
/// <param name="newReferenceList">The new reference list.</param>
/// <param name="applyMode">The apply mode.</param>
public void UpdateReferenceRelations(
ITaxon taxon,
string guid,
ReferenceViewModel[] newReferenceList,
ReferenceApplyMode applyMode)
{
ReferenceRelationList allReferenceRelationItemsToCreate = new ReferenceRelationList();
ReferenceRelationList allReferenceRelationItemsToDelete = new ReferenceRelationList();
ReferenceRelationList createReferenceRelationItems;
ReferenceRelationList deleteReferenceRelationItems;
// Handle source taxon reference relations
createReferenceRelationItems = GetReferenceRelationsThatWillBeCreated(guid, newReferenceList, ReferenceApplyMode.OnlySelected);
deleteReferenceRelationItems = GetReferenceRelationsThatWillBeDeleted(guid, newReferenceList, ReferenceApplyMode.OnlySelected);
allReferenceRelationItemsToCreate.AddRange(createReferenceRelationItems);
allReferenceRelationItemsToDelete.AddRange(deleteReferenceRelationItems);
if (applyMode != ReferenceApplyMode.OnlySelected)
{
// Get all child taxa
ITaxonSearchCriteria taxonSearchCriteria = new TaxonSearchCriteria();
taxonSearchCriteria.TaxonIds = new List <int>();
taxonSearchCriteria.TaxonIds.Add(taxon.Id);
taxonSearchCriteria.Scope = TaxonSearchScope.AllChildTaxa;
TaxonList taxonList = CoreData.TaxonManager.GetTaxa(user, taxonSearchCriteria);
taxonList.Remove(taxon);
foreach (ITaxon childTaxon in taxonList)
{
createReferenceRelationItems = GetReferenceRelationsThatWillBeCreated(childTaxon.Guid, newReferenceList, applyMode);
deleteReferenceRelationItems = GetReferenceRelationsThatWillBeDeleted(childTaxon.Guid, newReferenceList, applyMode);
allReferenceRelationItemsToCreate.AddRange(createReferenceRelationItems);
allReferenceRelationItemsToDelete.AddRange(deleteReferenceRelationItems);
}
}
if (allReferenceRelationItemsToCreate.Count > 0 || allReferenceRelationItemsToDelete.Count > 0)
{
using (ITransaction transaction = user.StartTransaction())
{
CoreData.ReferenceManager.DeleteReferenceRelations(user, allReferenceRelationItemsToDelete);
CoreData.ReferenceManager.CreateReferenceRelations(user, allReferenceRelationItemsToCreate);
transaction.Commit();
}
}
}
/// <summary>
/// Gets the reference relations that will be created.
/// </summary>
/// <param name="guid">The unique identifier.</param>
/// <param name="newReferences">The new references.</param>
/// <param name="applyMode">The apply mode.</param>
/// <returns>A list with all reference relations that will be created.</returns>
private ReferenceRelationList GetReferenceRelationsThatWillBeCreated(string guid, ReferenceViewModel[] newReferences, ReferenceApplyMode applyMode)
{
ReferenceRelationList referencesToAdd = new ReferenceRelationList();
IEnumerable <IReferenceRelation> existingReferenceRelations = CoreData.ReferenceManager.GetReferenceRelations(user, guid);
if (applyMode == ReferenceApplyMode.ReplaceOnlySourceInUnderlyingTaxa)
{
existingReferenceRelations = existingReferenceRelations.Where(referenceRelation => referenceRelation.Type.Id == (int)ReferenceRelationTypeId.Source);
}
foreach (ReferenceViewModel newReference in newReferences)
{
// If the new reference isn't source and we are in Replace only source in underlying mode, don't add this reference.
if (applyMode == ReferenceApplyMode.ReplaceOnlySourceInUnderlyingTaxa && newReference.UsageTypeId != (int)ReferenceRelationTypeId.Source)
{
continue;
}
bool referenceAlreadyExists = existingReferenceRelations.Any(existingReferenceRelation => newReference.Id == existingReferenceRelation.ReferenceId && newReference.UsageTypeId == existingReferenceRelation.Type.Id);
if (!referenceAlreadyExists)
{
IReference reference = new ArtDatabanken.Data.Reference();
reference.Id = newReference.Id;
ReferenceRelation newReferenceRelation = new ReferenceRelation()
{
RelatedObjectGuid = guid,
Type = CoreData.ReferenceManager.GetReferenceRelationType(user, newReference.UsageTypeId),
Reference = null,
ReferenceId = newReference.Id
};
referencesToAdd.Add(newReferenceRelation);
}
}
return(referencesToAdd);
}
/// <summary>
/// Gets the reference relations that will be deleted.
/// </summary>
/// <param name="guid">The unique identifier.</param>
/// <param name="newReferences">The new references.</param>
/// <param name="applyMode">The apply mode.</param>
/// <returns>A list with all reference relations that will be deleted.</returns>
private ReferenceRelationList GetReferenceRelationsThatWillBeDeleted(string guid, ReferenceViewModel[] newReferences, ReferenceApplyMode applyMode)
{
ReferenceRelationList referenceRelationsToDelete = new ReferenceRelationList();
IEnumerable <IReferenceRelation> existingReferenceRelations = CoreData.ReferenceManager.GetReferenceRelations(user, guid);
if (applyMode == ReferenceApplyMode.ReplaceOnlySourceInUnderlyingTaxa)
{
existingReferenceRelations = existingReferenceRelations.Where(referenceRelation => referenceRelation.Type.Id == (int)ReferenceRelationTypeId.Source);
}
// Don't delete any reference relations in the these modes.
if (applyMode == ReferenceApplyMode.AddToUnderlyingTaxa)
{
return(referenceRelationsToDelete);
}
foreach (IReferenceRelation existingReferenceRelation in existingReferenceRelations)
{
bool found = newReferences.Any(newReference => newReference.Id == existingReferenceRelation.ReferenceId &&
newReference.UsageTypeId == existingReferenceRelation.Type.Id);
if (!found)
{
referenceRelationsToDelete.Add(existingReferenceRelation);
}
}
return(referenceRelationsToDelete);
}
