| | | 1 | | using Fluorite.Extensions; |
| | | 2 | | using Fluorite.Strainer.Models; |
| | | 3 | | using Fluorite.Strainer.Services.Sorting; |
| | | 4 | | |
| | | 5 | | namespace Fluorite.Strainer.Services.Pipelines; |
| | | 6 | | |
| | | 7 | | public class SortPipelineOperation : ISortPipelineOperation, IStrainerPipelineOperation |
| | | 8 | | { |
| | | 9 | | private readonly ISortingApplier _sortingApplier; |
| | | 10 | | private readonly ISortTermParser _sortTermParser; |
| | | 11 | | private readonly ISortExpressionProvider _sortExpressionProvider; |
| | | 12 | | |
| | 6 | 13 | | public SortPipelineOperation( |
| | 6 | 14 | | ISortingApplier sortingApplier, |
| | 6 | 15 | | ISortTermParser sortTermParser, |
| | 6 | 16 | | ISortExpressionProvider sortExpressionProvider) |
| | | 17 | | { |
| | 6 | 18 | | _sortingApplier = Guard.Against.Null(sortingApplier); |
| | 6 | 19 | | _sortTermParser = Guard.Against.Null(sortTermParser); |
| | 6 | 20 | | _sortExpressionProvider = Guard.Against.Null(sortExpressionProvider); |
| | 6 | 21 | | } |
| | | 22 | | |
| | | 23 | | public IQueryable<T> Execute<T>(IStrainerModel model, IQueryable<T> source) |
| | | 24 | | { |
| | 5 | 25 | | Guard.Against.Null(model); |
| | 4 | 26 | | Guard.Against.Null(source); |
| | | 27 | | |
| | 3 | 28 | | var parsedTerms = _sortTermParser.GetParsedTerms(model.Sorts); |
| | 3 | 29 | | var isSortingApplied = _sortingApplier.TryApplySorting(parsedTerms, source, out var sortedSource); |
| | 3 | 30 | | if (isSortingApplied) |
| | | 31 | | { |
| | 1 | 32 | | return sortedSource!; |
| | | 33 | | } |
| | | 34 | | |
| | 2 | 35 | | var defaultSortExpression = _sortExpressionProvider.GetDefaultExpression<T>(); |
| | 2 | 36 | | if (defaultSortExpression != null) |
| | | 37 | | { |
| | 1 | 38 | | return source.OrderWithSortExpression(defaultSortExpression); |
| | | 39 | | } |
| | | 40 | | else |
| | | 41 | | { |
| | 1 | 42 | | return source; |
| | | 43 | | } |
| | | 44 | | } |
| | | 45 | | } |