68 lines
3.2 KiB
C#
68 lines
3.2 KiB
C#
using OpenHarbor.CQRS.DynamicQuery.Abstractions;
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using PoweredSoft.DynamicQuery.Core;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace OpenHarbor.CQRS.DynamicQuery;
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public class DynamicQueryHandler<TSource, TDestination>
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: DynamicQueryHandlerBase<TSource, TDestination>,
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OpenHarbor.CQRS.Abstractions.IQueryHandler<IDynamicQuery<TSource, TDestination>, IQueryExecutionResult<TDestination>>
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where TSource : class
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where TDestination : class
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{
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public DynamicQueryHandler(IQueryHandlerAsync queryHandlerAsync,
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IEnumerable<IQueryableProvider<TSource>> queryableProviders,
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IEnumerable<IAlterQueryableService<TSource, TDestination>> alterQueryableServices,
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IEnumerable<IDynamicQueryInterceptorProvider<TSource, TDestination>> dynamicQueryInterceptorProviders,
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IServiceProvider serviceProvider) : base(queryHandlerAsync, queryableProviders, alterQueryableServices, dynamicQueryInterceptorProviders, serviceProvider)
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{
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}
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public Task<IQueryExecutionResult<TDestination>> HandleAsync(IDynamicQuery<TSource, TDestination> query, CancellationToken cancellationToken = default)
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{
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return ProcessQueryAsync(query, cancellationToken);
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}
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}
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public class DynamicQueryHandler<TSource, TDestination, TParams>
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: DynamicQueryHandlerBase<TSource, TDestination>,
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OpenHarbor.CQRS.Abstractions.IQueryHandler<IDynamicQuery<TSource, TDestination, TParams>, IQueryExecutionResult<TDestination>>
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where TSource : class
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where TDestination : class
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where TParams : class
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{
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private readonly IEnumerable<IAlterQueryableService<TSource, TDestination, TParams>> alterQueryableServicesWithParams;
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public DynamicQueryHandler(IQueryHandlerAsync queryHandlerAsync,
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IEnumerable<IQueryableProvider<TSource>> queryableProviders,
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IEnumerable<IAlterQueryableService<TSource, TDestination>> alterQueryableServices,
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IEnumerable<IAlterQueryableService<TSource, TDestination, TParams>> alterQueryableServicesWithParams,
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IEnumerable<IDynamicQueryInterceptorProvider<TSource, TDestination>> dynamicQueryInterceptorProviders,
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IServiceProvider serviceProvider) : base(queryHandlerAsync, queryableProviders, alterQueryableServices, dynamicQueryInterceptorProviders, serviceProvider)
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{
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this.alterQueryableServicesWithParams = alterQueryableServicesWithParams;
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}
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protected override async Task<IQueryable<TSource>> AlterSourceAsync(IQueryable<TSource> source, IDynamicQuery query, CancellationToken cancellationToken)
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{
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source = await base.AlterSourceAsync(source, query, cancellationToken);
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if (query is IDynamicQueryParams<TParams> withParams)
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{
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foreach (var it in alterQueryableServicesWithParams)
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source = await it.AlterQueryableAsync(source, withParams, cancellationToken);
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}
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return source;
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}
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public Task<IQueryExecutionResult<TDestination>> HandleAsync(IDynamicQuery<TSource, TDestination, TParams> query, CancellationToken cancellationToken = default)
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{
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return this.ProcessQueryAsync(query, cancellationToken);
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}
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}
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