Exemplo n.º 1
0
 /// <summary>
 /// Finds entities that match the given filter, sorted by the criteria given and paginated
 /// by the given pagination options.
 /// </summary>
 /// <typeparam name="TEntity">The type that identifies the entity required.</typeparam>
 /// <typeparam name="TSortProperty">The type of the sorting property on the entity.</typeparam>
 /// <param name="dbContext">The <see cref="DbContext"/> that contains the desired entity set.</param>
 /// <param name="filter">The filter that will be applied.</param>
 /// <param name="sort">The sort condition.</param>
 /// <param name="sortDirection">Whether to sort Ascending or Descending.</param>
 /// <param name="pagingOptions">The options for pagination.</param>
 /// <returns>The filtered, sorted and paged enumerable collection of entities.</returns>
 public static IQueryable <TEntity> ConstrainedFind <TEntity, TSortProperty>(this DbContext dbContext,
                                                                             Expression <Func <TEntity, bool> > filter,
                                                                             Expression <Func <TEntity, TSortProperty> > sort,
                                                                             ListSortDirection sortDirection,
                                                                             IPagingOptions pagingOptions)
     where TEntity : class
 {
     return(dbContext.ConstrainedFind(filter, sort, sortDirection)
            .Skip(pagingOptions.Offset)
            .Take(pagingOptions.PageSize));
 }