| | | 1 | | using Fluorite.Strainer.Services.Conversion; |
| | | 2 | | |
| | | 3 | | namespace Fluorite.Strainer.Services.Filtering.Steps; |
| | | 4 | | |
| | | 5 | | public class ChangeTypeOfFilterValueStep : IChangeTypeOfFilterValueStep |
| | | 6 | | { |
| | | 7 | | private readonly ITypeChanger _typeChanger; |
| | | 8 | | private readonly ITypeConverterProvider _typeConverterProvider; |
| | | 9 | | |
| | 5 | 10 | | public ChangeTypeOfFilterValueStep( |
| | 5 | 11 | | ITypeChanger typeChanger, |
| | 5 | 12 | | ITypeConverterProvider typeConverterProvider) |
| | | 13 | | { |
| | 5 | 14 | | _typeChanger = Guard.Against.Null(typeChanger); |
| | 5 | 15 | | _typeConverterProvider = Guard.Against.Null(typeConverterProvider); |
| | 5 | 16 | | } |
| | | 17 | | |
| | | 18 | | public void Execute(FilterExpressionWorkflowContext context) |
| | | 19 | | { |
| | 4 | 20 | | Guard.Against.Null(context); |
| | 4 | 21 | | Guard.Against.Null(context.Term); |
| | 4 | 22 | | Guard.Against.Null(context.Term.Operator); |
| | 4 | 23 | | Guard.Against.Null(context.PropertyMetadata); |
| | 4 | 24 | | Guard.Against.Null(context.PropertyMetadata.PropertyInfo); |
| | 4 | 25 | | Guard.Against.Null(context.FilterTermValue); |
| | | 26 | | |
| | 4 | 27 | | if (context.Term.Operator.IsStringBased) |
| | | 28 | | { |
| | 1 | 29 | | return; |
| | | 30 | | } |
| | | 31 | | |
| | 3 | 32 | | var propertyType = context.PropertyMetadata!.PropertyInfo!.PropertyType; |
| | 3 | 33 | | var typeConverter = _typeConverterProvider.GetTypeConverter(propertyType); |
| | 3 | 34 | | var canConvertFromString = |
| | 3 | 35 | | context.PropertyMetadata.PropertyInfo.PropertyType != typeof(string) |
| | 3 | 36 | | && typeConverter.CanConvertFrom(typeof(string)); |
| | | 37 | | |
| | 3 | 38 | | if (canConvertFromString == false) |
| | | 39 | | { |
| | 2 | 40 | | context.FilterTermConstant = _typeChanger.ChangeType( |
| | 2 | 41 | | context.FilterTermValue, |
| | 2 | 42 | | context.PropertyMetadata.PropertyInfo.PropertyType); |
| | | 43 | | } |
| | 3 | 44 | | } |
| | | 45 | | } |