/// <summary>
/// The get entities.
/// </summary>
/// <param name="collection">
/// The collection.
/// </param>
/// <typeparam name="T">
/// The type of <see cref="IEntity"/>
/// </typeparam>
/// <returns>
/// The <see cref="IEnumerable{T}"/>.
/// </returns>
public static IEnumerable <T> GetEntities <T>(this IEntityCollection collection)
where T : class, IEntity
{
var resolved = collection.ResolveProvider();
return(resolved == null?Enumerable.Empty <T>() : resolved.GetEntities <T>());
}
/// <summary>
/// Gets a generic page of Entities.
/// </summary>
/// <param name="collection">
/// The collection.
/// </param>
/// <param name="page">
/// The page.
/// </param>
/// <param name="itemsPerPage">
/// The items per page.
/// </param>
/// <param name="sortBy">
/// The sort by.
/// </param>
/// <param name="sortDirection">
/// The sort direction.
/// </param>
/// <returns>
/// The <see cref="Page"/>.
/// </returns>
public static Page <object> GetPagedEntities(
this IEntityCollection collection,
long page,
long itemsPerPage,
string sortBy = "",
SortDirection sortDirection = SortDirection.Ascending)
{
var resolved = collection.ResolveProvider();
return(resolved == null
? new Page <object>()
: resolved.GetPagedEntities(page, itemsPerPage, sortBy, sortDirection));
}
/// <summary>
/// The resolve provider.
/// </summary>
/// <param name="collection">
/// The collection.
/// </param>
/// <typeparam name="T">
/// The type of provider
/// </typeparam>
/// <returns>
/// The <see cref="EntityCollectionProviderBase"/>.
/// </returns>
internal static T ResolveProvider <T>(this IEntityCollection collection)
where T : class
{
var provider = collection.ResolveProvider();
if (provider == null)
{
return(null);
}
if (provider is T)
{
return(provider as T);
}
LogHelper.Debug(typeof(EntityCollectionExtensions), "Provider was resolved but was not of expected type.");
return(null);
}
/// <summary>
/// The get entities.
/// </summary>
/// <param name="collection">
/// The collection.
/// </param>
/// <returns>
/// The <see cref="IEnumerable{Object}"/>.
/// </returns>
public static IEnumerable <object> GetEntities(this IEntityCollection collection)
{
var resolved = collection.ResolveProvider();
return(resolved == null?Enumerable.Empty <object>() : resolved.GetEntities());
}
/// <summary>
/// The resolve validated provider.
/// </summary>
/// <param name="collection">
/// The collection.
/// </param>
/// <param name="entity">
/// The entity.
/// </param>
/// <typeparam name="T">
/// The type of the <see cref="IEntity"/>
/// </typeparam>
/// <returns>
/// The <see cref="EntityCollectionProviderBase"/>.
/// </returns>
internal static EntityCollectionProviderBase <T> ResolveValidatedProvider <T>(this IEntityCollection collection, T entity) where T : class, IEntity
{
var resolved = collection.ResolveProvider();
return(resolved is EntityCollectionProviderBase <T>?resolved as EntityCollectionProviderBase <T> : null);
}
