public RelationFormModel(int sourceId, int targetId, RelationRule relation)
{
SourceId = sourceId;
TargetId = targetId;
Title = relation.Title;
Description = relation.Description;
Color = relation.Color;
ArrowStyle = relation.ArrowStyle;
}
/// <summary>
///
/// </summary>
/// <param name="currentMember"></param>
/// <param name="center1"></param>
/// <param name="center2"></param>
/// <param name="rule"></param>
/// <param name="message"></param>
/// <returns></returns>
public virtual bool ValidateCardinality(Member currentMember, Center center1, Center center2, RelationRule rule, out string message)
{
message = "";
if (center1.Id <= 0 && center2.Id <= 0)
{
return(true);
}
if (rule.Cardinality == (int)Cardinalities.Peer2Peer)
{
if (currentMember != null && currentMember.Id != 0)
{
if ((center1.Id > 0 && GetMemberships(center1.Id, (RelationTypes)rule.RelationTypeId, false, false).Any(p => p.MemberId != currentMember.Id)) ||
(center2.Id > 0 && GetMemberships(center2.Id, (RelationTypes)rule.RelationTypeId, false, false).Any(p => p.MemberId != currentMember.Id)))
{
message = "1:1 relationships cannot have more than 1 endpoints on neither of entities.";
return(false);
}
}
else
{
if ((center1.Id > 0 && GetMemberships(center1.Id, (RelationTypes)rule.RelationTypeId, false, false).Any()) ||
(center2.Id > 0 && GetMemberships(center2.Id, (RelationTypes)rule.RelationTypeId, false, false).Any()))
{
message = "1:1 relationships cannot have more than 1 endpoints on neither of entities.";
return(false);
}
}
}
else if (rule.Cardinality == (int)Cardinalities.One2Many)
{
if (currentMember != null && currentMember.Id != 0)
{
if ((center2.Id > 0 && GetSelfMemberships(center2, (RelationTypes)rule.RelationTypeId, false).Any(p => p.Id != currentMember.Id && p.CenterId2 == center2.Id)))
{
message = "1:N relationships cannot have more than 1 endpoints on the second entity.";
return(false);
}
}
else
{
if ((center2.Id > 0 && GetSelfMemberships(center2, (RelationTypes)rule.RelationTypeId).Any(p => p.CenterId2 == center2.Id)))
{
message = "1:N relationships cannot have more than 1 endpoints on the second entity.";
return(false);
}
}
}
return(true);
}
