/// <summary>
/// Get one item in the 1-to-1 relationship.
/// </summary>
/// <typeparam name="TRelation">The type of the item in the 1-to-1 relationship.</typeparam>
/// <param name="filter">Named filter.</param>
/// <returns>The 1-to-1 relationship.</returns>
protected virtual TRelation GetOne <TRelation>(string filter)
{
var repo = EntityRegistration.GetRepository <TRelation>();
var item = repo.First(filter);
return(item);
}
/// <summary>
/// Gets the specified entity and loads the 1-to-Many TRelation. Defaults the foreign key to typeof(TRelation).Name + Id.
/// Defaults the Property name to typeof(TRelation)"s".
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TRelation">The type of the relation.</typeparam>
/// <param name="repo">The repo.</param>
/// <param name="id">The id.</param>
/// <param name="foreignKey">The foreign key.</param>
/// <param name="pageIndex">Index of the page.</param>
/// <param name="pageSize">Size of the page.</param>
/// <returns></returns>
public static T Get <T, TRelation>(this IRepository <T> repo, int id, string foreignKey, int pageIndex, int pageSize) where T : class where TRelation : class
{
T entity = repo.Get(id);
if (entity == default(T))
{
return(entity);
}
// e.g. "CategoryId = id");
var relationRepo = EntityRegistration.GetRepository <TRelation>();
IList <TRelation> relations = relationRepo.Find("where " + foreignKey + " = " + id);
if (relations == null)
{
return(entity);
}
// e.g. Category.
string propName = typeof(TRelation).Name + "s";
typeof(T).GetProperty(propName).SetValue(entity, relations, null);
return(entity);
}