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using Infrastructure.Domain;
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using Infrastructure.Extensions;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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namespace Infrastructure.Data
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{
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public class EfDbContext : DbContext
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{
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public static readonly ILoggerFactory MyLoggerFactory = LoggerFactory.Create(builder =>
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{
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builder.AddConsole();
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});
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private readonly IHostEnvironment _env;
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private readonly IConfiguration _cfg;
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public EfDbContext(DbContextOptions options, IHostEnvironment env, IConfiguration cfg) : base(options)
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{
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this._env = env;
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this._cfg = cfg;
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}
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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optionsBuilder?.UseLoggerFactory(MyLoggerFactory);
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optionsBuilder?.EnableSensitiveDataLogging();
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base.OnConfiguring(optionsBuilder);
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}
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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base.OnModelCreating(modelBuilder);
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modelBuilder.RemovePluralizingTableNameConvention();
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OnModelCreatingAction(modelBuilder);
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foreach (var entity in modelBuilder.Model.GetEntityTypes())
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{
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if (entity.GetProperties().Any(o => o.Name == "Id"))
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{
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modelBuilder.Entity(entity.Name).HasKey("Id");
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modelBuilder.Entity(entity.Name).Property("Id").ValueGeneratedNever();
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}
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if (entity.GetProperties().Any(o => o.Name == "RowVersion"))
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{
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modelBuilder.Entity(entity.Name).Property("RowVersion")?.IsConcurrencyToken().ValueGeneratedNever();
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}
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}
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}
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public override int SaveChanges()
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{
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this.ChangeTracker.DetectChanges();
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var entries = this.ChangeTracker.Entries().Where(o => o.State == EntityState.Added ||
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o.State == EntityState.Modified || o.State == EntityState.Deleted).ToList();
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foreach (var entry in entries)
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{
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var entity = entry.Entity as BaseEntity;
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if (entity is IValidatableObject)
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{
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var validationResults = new List<ValidationResult>();
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if (!Validator.TryValidateObject(entry.Entity, new ValidationContext(entity, null, null), validationResults, true))
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{
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throw new EntityInvalidException(validationResults, $"{entity.GetType().FullName} valid error");
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}
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}
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if (entity is IVersionEntity)
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{
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(entity as IVersionEntity).RowVersion = Guid.NewGuid().ToString();
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}
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Console.WriteLine($"{entity.GetType().Name}:{entry.State.ToString()}:{entry.OriginalValues.ToObject().ToJson()}/{entry.CurrentValues.ToObject().ToJson()}");
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}
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try
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{
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return base.SaveChanges();
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}
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catch (Exception ex)
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{
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ex.PrintStack(ex.Message);
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var list = entries.Select(o => o.Entity).ToList();
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Console.WriteLine(list.ToJson());
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throw new Exception(ex.Message, ex);
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}
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}
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "CA2211:<3A>dz<EFBFBD><C7B3><EFBFBD><EFBFBD>ֶ<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD>", Justification = "<<3C><><EFBFBD><EFBFBD>>")]
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public static Action<ModelBuilder> OnModelCreatingAction;
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}
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} |
