/* Methods */
/// <summary>
/// Creates an appropriate type for the specified entity.
/// </summary>
/// <param name="repository">
/// The <see cref="IEveRepository" /> which contains the entity adapter.
/// </param>
/// <param name="entity">
/// The data entity.
/// </param>
/// <returns>
/// An <see cref="EveType" /> of the appropriate derived type, based on the
/// contents of <paramref name="entity" />.
/// </returns>
public static EveType Create(IEveRepository repository, EveTypeEntity entity)
{
Contract.Requires(repository != null, "The repository associated with the object cannot be null.");
Contract.Requires(entity != null, "The entity cannot be null.");
Contract.Ensures(Contract.Result <EveType>() != null);
// First, check for derived entity types. These are entities that
// have additional fields in ancillary tables.
// BlueprintTypeEntities always map to StationType
BlueprintTypeEntity blueprintTypeEntity = entity as BlueprintTypeEntity;
if (blueprintTypeEntity != null)
{
return(new BlueprintType(repository, blueprintTypeEntity));
}
// StationTypeEntities always map to StationType
StationTypeEntity stationTypeEntity = entity as StationTypeEntity;
if (stationTypeEntity != null)
{
return(new StationType(repository, stationTypeEntity));
}
// For the remainder, the actual entity is the same type, and we need to
// determine the EVE type based on its property values.
// Use the item's group and category to determine the correct derived type
Group group = repository.GetGroupById(entity.GroupId);
switch (group.CategoryId)
{
// All items under category Skill map to SkillType
case CategoryId.Skill:
return(new SkillType(repository, entity));
}
// If we don't have a specific derived type for the provided entity,
// fall back on a GenericType wrapper.
return(new GenericType(repository, entity));
}