Files
TakeoutSaaS.TenantApi/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDbContext.cs

89 lines
3.3 KiB
C#

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using TakeoutSaaS.Domain.Dictionary.Entities;
using TakeoutSaaS.Infrastructure.Common.Persistence;
using TakeoutSaaS.Shared.Abstractions.Security;
using TakeoutSaaS.Shared.Abstractions.Tenancy;
namespace TakeoutSaaS.Infrastructure.Dictionary.Persistence;
/// <summary>
/// 参数字典 DbContext。
/// </summary>
public sealed class DictionaryDbContext(
DbContextOptions<DictionaryDbContext> options,
ITenantProvider tenantProvider,
ICurrentUserAccessor? currentUserAccessor = null)
: TenantAwareDbContext(options, tenantProvider, currentUserAccessor)
{
/// <summary>
/// 字典分组集。
/// </summary>
public DbSet<DictionaryGroup> DictionaryGroups => Set<DictionaryGroup>();
/// <summary>
/// 字典项集。
/// </summary>
public DbSet<DictionaryItem> DictionaryItems => Set<DictionaryItem>();
/// <summary>
/// 配置实体模型。
/// </summary>
/// <param name="modelBuilder">模型构建器。</param>
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
ConfigureGroup(modelBuilder.Entity<DictionaryGroup>());
ConfigureItem(modelBuilder.Entity<DictionaryItem>());
ApplyTenantQueryFilters(modelBuilder);
}
/// <summary>
/// 配置字典分组。
/// </summary>
/// <param name="builder">实体构建器。</param>
private static void ConfigureGroup(EntityTypeBuilder<DictionaryGroup> builder)
{
builder.ToTable("dictionary_groups");
builder.HasKey(x => x.Id);
builder.Property(x => x.TenantId).IsRequired();
builder.Property(x => x.Code).HasMaxLength(64).IsRequired();
builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
builder.Property(x => x.Scope).HasConversion<int>().IsRequired();
builder.Property(x => x.Description).HasMaxLength(512);
builder.Property(x => x.IsEnabled).HasDefaultValue(true);
ConfigureAuditableEntity(builder);
ConfigureSoftDeleteEntity(builder);
builder.HasIndex(x => x.TenantId);
builder.HasIndex(x => new { x.TenantId, x.Code }).IsUnique();
}
/// <summary>
/// 配置字典项。
/// </summary>
/// <param name="builder">实体构建器。</param>
private static void ConfigureItem(EntityTypeBuilder<DictionaryItem> builder)
{
builder.ToTable("dictionary_items");
builder.HasKey(x => x.Id);
builder.Property(x => x.TenantId).IsRequired();
builder.Property(x => x.GroupId).IsRequired();
builder.Property(x => x.Key).HasMaxLength(64).IsRequired();
builder.Property(x => x.Value).HasMaxLength(256).IsRequired();
builder.Property(x => x.Description).HasMaxLength(512);
builder.Property(x => x.SortOrder).HasDefaultValue(100);
builder.Property(x => x.IsEnabled).HasDefaultValue(true);
ConfigureAuditableEntity(builder);
ConfigureSoftDeleteEntity(builder);
builder.HasOne(x => x.Group)
.WithMany(g => g.Items)
.HasForeignKey(x => x.GroupId)
.OnDelete(DeleteBehavior.Cascade);
builder.HasIndex(x => x.TenantId);
builder.HasIndex(x => new { x.GroupId, x.Key }).IsUnique();
}
}