77 lines
2.6 KiB
C#
77 lines
2.6 KiB
C#
using DigitalData.Core.Abstractions.Infrastructure;
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using Microsoft.EntityFrameworkCore;
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using System.Linq.Expressions;
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namespace DigitalData.Core.Infrastructure;
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public class DbRepository<TDbContext, TEntity> : IRepository<TEntity> where TDbContext : DbContext where TEntity : class
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{
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protected internal readonly TDbContext Context;
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protected internal readonly DbSet<TEntity> Entities;
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public IEntityMapper<TEntity> Mapper { get; }
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public DbRepository(TDbContext context, Func<TDbContext, DbSet<TEntity>> queryFactory, IEntityMapper<TEntity> mapper)
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{
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Context = context;
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Entities = queryFactory(context);
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Mapper = mapper;
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}
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public virtual async Task<TEntity> CreateAsync(TEntity entity, CancellationToken ct = default)
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{
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Entities.Add(entity);
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await Context.SaveChangesAsync(ct);
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return entity;
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}
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public virtual async Task<IEnumerable<TEntity>> CreateAsync(IEnumerable<TEntity> entities, CancellationToken ct = default)
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{
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Entities.AddRange(entities);
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await Context.SaveChangesAsync(ct);
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return entities;
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}
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public virtual Task<TEntity> CreateAsync<TDto>(TDto dto, CancellationToken ct = default)
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{
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var entity = Mapper.Map(dto);
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return CreateAsync(entity, ct);
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}
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public virtual Task<IEnumerable<TEntity>> CreateAsync<TDto>(IEnumerable<TDto> dtos, CancellationToken ct = default)
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{
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var entities = dtos.Select(dto => Mapper.Map(dto));
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return CreateAsync(entities, ct);
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}
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public virtual async Task<IEnumerable<TEntity>> ReadAsync(Expression<Func<TEntity, bool>>? expression = null, CancellationToken ct = default)
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=> expression is null
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? await Entities.AsNoTracking().ToListAsync(ct)
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: await Entities.AsNoTracking().Where(expression).ToListAsync(ct);
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public virtual async Task UpdateAsync<TDto>(TDto dto, Expression<Func<TEntity, bool>> expression, CancellationToken ct = default)
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{
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var entities = await Entities.Where(expression).ToListAsync(ct);
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foreach (var entity in entities)
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{
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Mapper.Map(dto, entity);
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Entities.Add(entity);
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}
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await Context.SaveChangesAsync(ct);
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}
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public virtual async Task DeleteAsync(Expression<Func<TEntity, bool>> expression, CancellationToken ct = default)
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{
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var entities = await Entities.Where(expression).ToListAsync(ct);
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foreach (var entity in entities)
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{
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entities.Remove(entity);
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}
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await Context.SaveChangesAsync(ct);
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}
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}
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