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Better SieveProcessor generics

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This commit is contained in:
Biarity 2018-07-01 19:16:26 +10:00
parent 02e4fb55b4
commit f326822f4a
2 changed files with 40 additions and 9 deletions
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13
Sieve/Services/ISieveProcessor.cs
View File

@ -3,10 +3,19 @@ using Sieve.Models;
namespace Sieve.Services
{
public interface ISieveProcessor
public interface ISieveProcessor : ISieveProcessor<ISieveModel<IFilterTerm, ISortTerm>, IFilterTerm, ISortTerm>
{
}
public interface ISieveProcessor<TSieveModel, TFilterTerm, TSortTerm>
where TSieveModel : class, ISieveModel<TFilterTerm, TSortTerm>
where TFilterTerm : IFilterTerm
where TSortTerm : ISortTerm
{
IQueryable<TEntity> Apply<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
TSieveModel model,
IQueryable<TEntity> source,
object[] dataForCustomMethods = null,
bool applyFiltering = true,

34
Sieve/Services/SieveProcessor.cs
View File

@ -11,7 +11,29 @@ using Sieve.Models;
namespace Sieve.Services
{
public class SieveProcessor : ISieveProcessor
public class SieveProcessor : SieveProcessor<ISieveModel<IFilterTerm, ISortTerm>, IFilterTerm, ISortTerm>, ISieveProcessor
{
public SieveProcessor(IOptions<SieveOptions> options) : base(options)
{
}
public SieveProcessor(IOptions<SieveOptions> options, ISieveCustomSortMethods customSortMethods) : base(options, customSortMethods)
{
}
public SieveProcessor(IOptions<SieveOptions> options, ISieveCustomFilterMethods customFilterMethods) : base(options, customFilterMethods)
{
}
public SieveProcessor(IOptions<SieveOptions> options, ISieveCustomSortMethods customSortMethods, ISieveCustomFilterMethods customFilterMethods) : base(options, customSortMethods, customFilterMethods)
{
}
}
public class SieveProcessor<TSieveModel, TFilterTerm, TSortTerm> : ISieveProcessor<TSieveModel, TFilterTerm, TSortTerm>
where TSieveModel : class, ISieveModel<TFilterTerm, TSortTerm>
where TFilterTerm : IFilterTerm
where TSortTerm : ISortTerm
{
private readonly IOptions<SieveOptions> _options;
private readonly ISieveCustomSortMethods _customSortMethods;
@ -62,7 +84,7 @@ namespace Sieve.Services
/// <param name="applyPagination">Should the data be paginated? Defaults to true.</param>
/// <returns>Returns a transformed version of `source`</returns>
public IQueryable<TEntity> Apply<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
TSieveModel model,
IQueryable<TEntity> source,
object[] dataForCustomMethods = null,
bool applyFiltering = true,
@ -117,7 +139,7 @@ namespace Sieve.Services
}
private IQueryable<TEntity> ApplyFiltering<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
TSieveModel model,
IQueryable<TEntity> result,
object[] dataForCustomMethods = null)
{
@ -193,7 +215,7 @@ namespace Sieve.Services
: result.Where(Expression.Lambda<Func<TEntity, bool>>(outerExpression, parameterExpression));
}
private static Expression GetExpression(IFilterTerm filterTerm, dynamic filterValue, dynamic propertyValue)
private static Expression GetExpression(TFilterTerm filterTerm, dynamic filterValue, dynamic propertyValue)
{
switch (filterTerm.OperatorParsed)
{
@ -234,7 +256,7 @@ namespace Sieve.Services
}
private IQueryable<TEntity> ApplySorting<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
TSieveModel model,
IQueryable<TEntity> result,
object[] dataForCustomMethods = null)
{
@ -269,7 +291,7 @@ namespace Sieve.Services
}
private IQueryable<TEntity> ApplyPagination<TEntity>(
ISieveModel<IFilterTerm, ISortTerm> model,
TSieveModel model,
IQueryable<TEntity> result)
{
var page = model?.Page ?? 1;