public FamilyRelationshipsWithHotSpots(HotSpot hotSpot1,
RefugeeModel refugee1,
IsFamilyRelationshipData isFamilyRelationshipData1,
RefugeeModel refugee2,
HotSpot hotSpot2,
IsFamilyRelationshipData isFamilyRelationshipData2 = null,
RefugeeModel refugee3 = null,
HotSpot hotSpot3 = null)
{
Ensure.That(nameof(hotSpot1)).IsNotNull();
Ensure.That(nameof(refugee1)).IsNotNull();
Ensure.That(nameof(isFamilyRelationshipData1)).IsNotNull();
Ensure.That(nameof(refugee2)).IsNotNull();
Ensure.That(nameof(hotSpot2)).IsNotNull();
HotSpot1 = hotSpot1;
Refugee1 = refugee1;
IsFamilyRelationshipData1 = isFamilyRelationshipData1;
Refugee2 = refugee2;
HotSpot2 = hotSpot2;
IsFamilyRelationshipData2 = isFamilyRelationshipData2;
Refugee3 = refugee3;
HotSpot3 = hotSpot3;
}
public RefugeeWithHotSpot(RefugeeModel refugee, HotSpot hotSpot)
{
Ensure.That(nameof(refugee)).IsNotNull();
Ensure.That(nameof(hotSpot)).IsNotNull();
Refugee = refugee;
HotSpot = hotSpot;
}
public void UnRelate(RefugeeModel refugee)
{
Ensure.That(nameof(refugee)).IsNotNull();
string refugeeLabel = typeof(RefugeeModel).Name;
string hotSpotLabel = typeof(HotSpot).Name;
GraphClient.Cypher.Match($"(r:{refugeeLabel})-[o:{LivesInRelationship.TypeKey}]->(h:{hotSpotLabel})")
.Where((RefugeeModel r) => r.Id == refugee.Id)
.Delete("o")
.ExecuteWithoutResults();
}
public HotSpot GetByRefugee(RefugeeModel refugee)
{
Ensure.That(nameof(refugee)).IsNotNull();
string refugeeLabel = typeof(RefugeeModel).Name;
string hotSpotLabel = typeof(HotSpot).Name;
return(GraphClient.Cypher.Match($"(r:{refugeeLabel})-[:{LivesInRelationship.TypeKey}]->(h:{hotSpotLabel})")
.Where((RefugeeModel r) => r.Id == refugee.Id)
.Return(h => h.As <HotSpot>())
.Results
.Single());
}
public void RelateRefugees(CreateRefugeesFamilyRelationshipInputDto createRefugeesFamilyRelationshipInputDto)
{
if (createRefugeesFamilyRelationshipInputDto == null)
{
throw new RestException(HttpStatusCode.BadRequest, Constants.Messages.MissingInputDto, new ArgumentNullException(nameof(createRefugeesFamilyRelationshipInputDto)));
}
if (!Enum.IsDefined(typeof(FamilyRelationshipDegree), createRefugeesFamilyRelationshipInputDto.RelationshipDegree))
{
throw new RestException(HttpStatusCode.BadRequest, "The provided family relationship degree is not supported.", new ArgumentException("The value of the family relationship degree is not defined in the enumeration."));
}
try
{
CreateRefugeesFamilyRelationshipInputDtoValidator.ValidateAndThrow(createRefugeesFamilyRelationshipInputDto);
}
catch (ValidationException exception)
{
throw new RestException(HttpStatusCode.BadRequest, exception.Message, exception);
}
using (IUnitOfWork unitOfWork = UnitOfWorkFactory.Create())
{
unitOfWork.BeginTransaction();
RefugeeModel sourceRefugee = unitOfWork.RefugeeRepository.GetById(createRefugeesFamilyRelationshipInputDto.SourceId);
if (sourceRefugee == null)
{
throw new RestException(HttpStatusCode.NotFound, Constants.Messages.ResourceCannotBeFound, new ArgumentException(Constants.Messages.ResourceCannotBeFound));
}
RefugeeModel targetRefugee = unitOfWork.RefugeeRepository.GetById(createRefugeesFamilyRelationshipInputDto.TargetId);
if (targetRefugee == null)
{
throw new RestException(HttpStatusCode.NotFound, Constants.Messages.ResourceCannotBeFound, new ArgumentException(Constants.Messages.ResourceCannotBeFound));
}
FamilyRelationshipDegree relationshipDegree = (FamilyRelationshipDegree)createRefugeesFamilyRelationshipInputDto.RelationshipDegree;
unitOfWork.RefugeeRelationshipManager.UnRelate(sourceRefugee, targetRefugee);
unitOfWork.RefugeeRelationshipManager.Relate(sourceRefugee, targetRefugee, new IsFamilyRelationshipData(relationshipDegree));
unitOfWork.CommitTransaction();
}
}
public void Relate(RefugeeModel refugee, HotSpot hotSpot)
{
Ensure.That(nameof(refugee)).IsNotNull();
Ensure.That(nameof(hotSpot)).IsNotNull();
string refugeeLabel = typeof(RefugeeModel).Name;
string hotSpotLabel = typeof(HotSpot).Name;
GraphClient.Cypher.Match($"(r:{refugeeLabel})", $"(h:{hotSpotLabel})")
.Where((RefugeeModel r) => r.Id == refugee.Id)
.AndWhere((HotSpot h) => h.Id == hotSpot.Id)
.CreateUnique($"(r)-[:{LivesInRelationship.TypeKey}]->(h)")
.ExecuteWithoutResults();
}
public virtual void DeleteRefugee(Guid id)
{
if (id == default(Guid))
{
throw new RestException(HttpStatusCode.BadRequest, Constants.Messages.InvalidIdentifier, new ArgumentException(Constants.Messages.InvalidIdentifier, nameof(id)));
}
using (IUnitOfWork unitOfWork = UnitOfWorkFactory.Create())
{
RefugeeModel refugee = unitOfWork.RefugeeRepository.GetById(id);
if (refugee == null)
{
throw new RestException(HttpStatusCode.NotFound, Constants.Messages.ResourceCannotBeFound, new ArgumentException(Constants.Messages.ResourceCannotBeFound));
}
unitOfWork.RefugeeRepository.Delete(refugee);
}
}
public GraphOutputDto GetRelationshipsGraph(Guid id)
{
if (id == default(Guid))
{
throw new RestException(HttpStatusCode.BadRequest, Constants.Messages.InvalidIdentifier, new ArgumentException(Constants.Messages.InvalidIdentifier, nameof(id)));
}
IList <FamilyRelationshipsWithHotSpots> familyRelationshipsWithHotSpots;
using (IUnitOfWork unitOfWork = UnitOfWorkFactory.Create())
{
RefugeeModel refugee = unitOfWork.RefugeeRepository.GetById(id);
if (refugee == null)
{
throw new RestException(HttpStatusCode.NotFound, Constants.Messages.ResourceCannotBeFound, new ArgumentException(Constants.Messages.ResourceCannotBeFound));
}
familyRelationshipsWithHotSpots = unitOfWork.RefugeeRepository.GetFamilyRelationshipsWithHotSpotsByRefugee(refugee);
}
IList <NodeOutputDto> nodes = new List <NodeOutputDto>();
IList <LinkOutputDto> links = new List <LinkOutputDto>();
#region Mapping Operations
byte refugeeNodeType = (byte)NodeType.Refugee;
byte hotSpotNodeType = (byte)NodeType.HotSpot;
string livesInTypeKey = LivesInRelationship.TypeKey.ToLower();
foreach (FamilyRelationshipsWithHotSpots familyRelationshipsWithHotSpotsData in familyRelationshipsWithHotSpots)
{
#region Nodes
#region Refugees
nodes.Add(new NodeOutputDto {
Id = familyRelationshipsWithHotSpotsData.Refugee1.Id, Name = familyRelationshipsWithHotSpotsData.Refugee1.Name, Type = refugeeNodeType
});
nodes.Add(new NodeOutputDto {
Id = familyRelationshipsWithHotSpotsData.Refugee2.Id, Name = familyRelationshipsWithHotSpotsData.Refugee2.Name, Type = refugeeNodeType
});
if (familyRelationshipsWithHotSpotsData.Refugee3 != null)
{
nodes.Add(new NodeOutputDto {
Id = familyRelationshipsWithHotSpotsData.Refugee3.Id, Name = familyRelationshipsWithHotSpotsData.Refugee3.Name, Type = refugeeNodeType
});
}
#endregion
#region HotSpots
nodes.Add(new NodeOutputDto {
Id = familyRelationshipsWithHotSpotsData.HotSpot1.Id, Name = familyRelationshipsWithHotSpotsData.HotSpot1.Name, Type = hotSpotNodeType
});
nodes.Add(new NodeOutputDto {
Id = familyRelationshipsWithHotSpotsData.HotSpot2.Id, Name = familyRelationshipsWithHotSpotsData.HotSpot2.Name, Type = hotSpotNodeType
});
if (familyRelationshipsWithHotSpotsData.HotSpot3 != null)
{
nodes.Add(new NodeOutputDto {
Id = familyRelationshipsWithHotSpotsData.HotSpot3.Id, Name = familyRelationshipsWithHotSpotsData.HotSpot3.Name, Type = hotSpotNodeType
});
}
#endregion
#endregion
#region Links
links.Add(new LinkOutputDto {
SourceId = familyRelationshipsWithHotSpotsData.Refugee1.Id, TargetId = familyRelationshipsWithHotSpotsData.HotSpot1.Id, Name = livesInTypeKey
});
links.Add(new LinkOutputDto {
SourceId = familyRelationshipsWithHotSpotsData.Refugee1.Id, TargetId = familyRelationshipsWithHotSpotsData.Refugee2.Id, Name = familyRelationshipsWithHotSpotsData.IsFamilyRelationshipData1.Degree.ToString().ToLower()
});
links.Add(new LinkOutputDto {
SourceId = familyRelationshipsWithHotSpotsData.Refugee2.Id, TargetId = familyRelationshipsWithHotSpotsData.HotSpot2.Id, Name = livesInTypeKey
});
if (familyRelationshipsWithHotSpotsData.Refugee3 != null)
{
links.Add(new LinkOutputDto {
SourceId = familyRelationshipsWithHotSpotsData.Refugee3.Id, TargetId = familyRelationshipsWithHotSpotsData.HotSpot3.Id, Name = livesInTypeKey
});
links.Add(new LinkOutputDto {
SourceId = familyRelationshipsWithHotSpotsData.Refugee2.Id, TargetId = familyRelationshipsWithHotSpotsData.Refugee3.Id, Name = familyRelationshipsWithHotSpotsData.IsFamilyRelationshipData2.Degree.ToString().ToLower()
});
}
#endregion
}
nodes = nodes.DistinctBy(o => o.Id).ToList();
#endregion
return(new GraphOutputDto {
Nodes = nodes, Links = links
});
}