32 lines
1.0 KiB
C#
32 lines
1.0 KiB
C#
using Microsoft.EntityFrameworkCore;
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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.Linq.Expressions;
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using System.Text;
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using System.Threading.Tasks;
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namespace Complex.Infrastructure.Extensions
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{
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public static class QueryFilter
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{
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public static void ApplyGlobalFilters<T>(this ModelBuilder modelBuilder,
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string propertyName, T value)
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{
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foreach (var entityType in modelBuilder.Model.GetEntityTypes())
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{
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var foundProperty = entityType.FindProperty(propertyName);
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if (foundProperty != null && foundProperty.ClrType == typeof(T))
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{
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var newParam = Expression.Parameter(entityType.ClrType);
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var filter = Expression.Lambda(Expression.Equal(Expression.Property(newParam, propertyName),
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Expression.Constant(value)), newParam);
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modelBuilder.Entity(entityType.ClrType);
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}
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}
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}
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}
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}
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