73 lines
2.7 KiB
C#
73 lines
2.7 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Tiku.Domain.Catalog;
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using Tiku.Domain.Common;
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using Tiku.Domain.Identity;
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using Tiku.Domain.Learning;
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using Tiku.Domain.QuestionBanks;
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using Tiku.Domain.Tenancy;
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namespace Tiku.Infrastructure.Persistence;
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public sealed class TikuDbContext(DbContextOptions<TikuDbContext> options) : DbContext(options)
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{
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public DbSet<Tenant> Tenants => Set<Tenant>();
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public DbSet<User> Users => Set<User>();
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public DbSet<UserIdentity> UserIdentities => Set<UserIdentity>();
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public DbSet<TenantMembership> TenantMemberships => Set<TenantMembership>();
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public DbSet<StudentProfile> StudentProfiles => Set<StudentProfile>();
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public DbSet<Region> Regions => Set<Region>();
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public DbSet<RegionModule> RegionModules => Set<RegionModule>();
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public DbSet<ModuleNode> ModuleNodes => Set<ModuleNode>();
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public DbSet<School> Schools => Set<School>();
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public DbSet<Major> Majors => Set<Major>();
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public DbSet<Subject> Subjects => Set<Subject>();
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public DbSet<Category> Categories => Set<Category>();
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public DbSet<QuestionBank> QuestionBanks => Set<QuestionBank>();
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public DbSet<Question> Questions => Set<Question>();
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public DbSet<QuestionVersion> QuestionVersions => Set<QuestionVersion>();
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public DbSet<PracticeSession> PracticeSessions => Set<PracticeSession>();
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public DbSet<AnswerRecord> AnswerRecords => Set<AnswerRecord>();
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public DbSet<FavoriteQuestion> FavoriteQuestions => Set<FavoriteQuestion>();
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public DbSet<WrongQuestion> WrongQuestions => Set<WrongQuestion>();
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public DbSet<RecentPractice> RecentPractices => Set<RecentPractice>();
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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modelBuilder.HasPostgresExtension("citext");
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modelBuilder.ApplyConfigurationsFromAssembly(typeof(TikuDbContext).Assembly);
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modelBuilder.UseSnakeCaseIdentifiers();
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}
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public override int SaveChanges(bool acceptAllChangesOnSuccess)
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{
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UpdateTimestamps();
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return base.SaveChanges(acceptAllChangesOnSuccess);
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}
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public override Task<int> SaveChangesAsync(
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bool acceptAllChangesOnSuccess,
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CancellationToken cancellationToken = default)
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{
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UpdateTimestamps();
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return base.SaveChangesAsync(acceptAllChangesOnSuccess, cancellationToken);
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}
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private void UpdateTimestamps()
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{
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var now = DateTimeOffset.UtcNow;
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foreach (var entry in ChangeTracker.Entries<IHasTimestamps>())
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{
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if (entry.State == EntityState.Added)
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{
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entry.Entity.CreatedAt = now;
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}
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if (entry.State is EntityState.Added or EntityState.Modified)
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{
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entry.Entity.UpdatedAt = now;
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}
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}
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}
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}
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