/// <summary>
/// Creates a new relation.
/// </summary>
public async Task CreateAsync(RelationEditorVM vm, ClaimsPrincipal principal)
{
await ValidateRequestAsync(vm, isNew : true);
var rels = new List <Relation>();
var changesets = new List <Changeset>();
var groupId = vm.SourceIds.Length > 1 ? Guid.NewGuid() : (Guid?)null;
var user = await GetUserAsync(principal);
foreach (var srcId in vm.SourceIds)
{
var rel = _mapper.Map <Relation>(vm);
rel.Id = Guid.NewGuid();
rel.SourceId = srcId;
var compRel = new Relation {
Id = Guid.NewGuid()
};
MapComplementaryRelation(rel, compRel);
rels.Add(rel);
rels.Add(compRel);
changesets.Add(GetChangeset(null, _mapper.Map <RelationEditorVM>(rel), rel.Id, user, null, groupId));
}
await _validator.ValidateAsync(rels);
_db.Changes.AddRange(changesets);
_db.Relations.AddRange(rels);
_cache.Clear();
}
/// <summary>
/// Creates a new relation.
/// </summary>
public async Task CreateAsync(RelationEditorVM vm, ClaimsPrincipal principal)
{
await ValidateRequestAsync(vm, isNew : true);
var newRels = new List <Relation>();
var updatedRels = new List <Relation>();
var groupId = vm.SourceIds.Length > 1 ? Guid.NewGuid() : (Guid?)null;
var removedRelations = await _db.Relations
.Where(x => vm.SourceIds.Contains(x.SourceId) &&
x.DestinationId == vm.DestinationId &&
x.Type == vm.Type &&
x.Id != vm.Id &&
x.IsDeleted == true)
.ToDictionaryAsync(x => x.SourceId, x => x);
var user = await GetUserAsync(principal);
foreach (var srcId in vm.SourceIds)
{
Relation rel;
if (removedRelations.TryGetValue(srcId, out rel))
{
rel.IsDeleted = false;
updatedRels.Add(rel);
}
else
{
rel = _mapper.Map <Relation>(vm);
rel.Id = Guid.NewGuid();
rel.SourceId = srcId;
newRels.Add(rel);
}
var compRel = new Relation {
Id = Guid.NewGuid()
};
MapComplementaryRelation(rel, compRel);
newRels.Add(compRel);
_db.Changes.Add(GetChangeset(null, _mapper.Map <RelationEditorVM>(rel), rel.Id, user, null, groupId));
}
await _validator.ValidateAsync(newRels.Concat(updatedRels).ToList());
_db.Relations.AddRange(newRels);
_cache.Clear();
}
