Files
forkmessager/backend/src/Modules/Conversations/Infrastructure/Persistence/ConversationsDbContext.cs
T

119 lines
4.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Knot.Contracts.Conversations.Application.Abstractions;
using Knot.Contracts.Conversations.Domain;
using Knot.Contracts.Conversations.Infrastructure.Persistence;
using Knot.Shared.Kernel;
using Knot.Shared.Kernel.Security;
using MediatR;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using DomainChat = Knot.Contracts.Conversations.Domain.Chat;
namespace Knot.Modules.Conversations.Infrastructure.Persistence;
public sealed class ChatsDbContext : DbContext, Knot.Contracts.Conversations.Application.Abstractions.IChatsUnitOfWork, Knot.Contracts.Conversations.Infrastructure.Persistence.IChatsDbContext
{
private readonly IMediator? _mediator;
private readonly IEncryptionService? _encryptionService;
public ChatsDbContext(DbContextOptions<ChatsDbContext> options)
: base(options)
{
}
public ChatsDbContext(DbContextOptions<ChatsDbContext> options, IMediator mediator, IEncryptionService encryptionService)
: this(options)
{
_mediator = mediator;
_encryptionService = encryptionService;
}
public DbSet<DomainChat> Chats => Set<DomainChat>();
public DbSet<Folder> Folders => Set<Folder>();
public DbSet<UserChatSettings> UserChatSettings => Set<UserChatSettings>();
IQueryable<Knot.Contracts.Conversations.Infrastructure.Persistence.Chat> Knot.Contracts.Conversations.Infrastructure.Persistence.IChatsDbContext.Chats =>
Set<DomainChat>().Select(c => new Knot.Contracts.Conversations.Infrastructure.Persistence.Chat { Id = c.Id, Avatar = c.Avatar });
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
base.OnConfiguring(optionsBuilder);
optionsBuilder.ConfigureWarnings(w => w.Ignore(RelationalEventId.PendingModelChangesWarning));
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.HasDefaultSchema("chats");
modelBuilder.Entity<DomainChat>(builder =>
{
builder.ToTable("Chats");
builder.HasKey(c => c.Id);
builder.Property(c => c.IsImporting);
builder.Property(c => c.ImportJobId);
builder.Property(c => c.Type).HasConversion<string>();
builder.OwnsMany(c => c.Members, mb =>
{
mb.ToTable("ChatMembers");
mb.HasKey(m => m.Id);
mb.WithOwner().HasForeignKey(m => m.ChatId);
mb.HasIndex(m => new { m.ChatId, m.UserId }).IsUnique();
}).Navigation(c => c.Members).UsePropertyAccessMode(PropertyAccessMode.Field);
});
modelBuilder.Entity<Folder>(builder =>
{
builder.ToTable("Folders");
builder.HasKey(f => f.Id);
builder.Property(f => f.Type).HasConversion<string>();
});
modelBuilder.Entity<UserChatSettings>(builder =>
{
builder.ToTable("UserChatSettings");
builder.HasKey(s => s.Id);
builder.HasIndex(s => new { s.UserId, s.ChatId }).IsUnique();
builder.Property(s => s.FolderIds)
.HasConversion(
v => string.Join(',', v),
v => v.Split(',', StringSplitOptions.RemoveEmptyEntries).Select(Guid.Parse).ToList()
);
});
}
public override async Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
{
var domainEvents = ChangeTracker
.Entries<IAggregateRoot>()
.SelectMany(x =>
{
if (x.Entity is AggregateRoot<Guid> root)
{
var events = root.GetDomainEvents().ToList();
root.ClearDomainEvents();
return events;
}
return Enumerable.Empty<IDomainEvent>();
})
.ToList();
int result = await base.SaveChangesAsync(cancellationToken);
if (_mediator != null)
{
foreach (var domainEvent in domainEvents)
{
await _mediator.Publish(domainEvent, cancellationToken);
}
}
return result;
}
}