tnsu-approval-route/backend/Tnsu.ApprovalRoute.Infrastructure/Persistence/ApprovalRouteDbContext.cs

using Microsoft.EntityFrameworkCore;
using Tnsu.ApprovalRoute.Domain.Entities;
using Tnsu.ApprovalRoute.Infrastructure.Persistence.Entities;

namespace Tnsu.ApprovalRoute.Infrastructure.Persistence;

public class ApprovalRouteDbContext(DbContextOptions<ApprovalRouteDbContext> options) : DbContext(options)
{
    public DbSet<RequestType> RequestTypes => Set<RequestType>();
    public DbSet<RequestListPartition> RequestListPartitions => Set<RequestListPartition>();
    public DbSet<TemplateRoute> TemplateRoutes => Set<TemplateRoute>();
    public DbSet<TemplateRouteStep> TemplateRouteSteps => Set<TemplateRouteStep>();
    public DbSet<TemplateRouteStepCondition> TemplateRouteStepConditions => Set<TemplateRouteStepCondition>();
    public DbSet<AppSetting> Settings => Set<AppSetting>();

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<AppSetting>(e =>
        {
            // Имя таблицы задано явно: соглашение по именам сделало бы из
            // AppSetting «app_settings», а таблица должна называться так же, как
            // в api-tnsu-portal, — settings.
            e.ToTable("settings");
            e.HasKey(x => x.OptionName);
            e.Property(x => x.OptionName).HasMaxLength(128);
        });

        modelBuilder.Entity<RequestType>(e =>
        {
            e.HasKey(x => x.Id);
            e.Property(x => x.Name).HasMaxLength(256).IsRequired();
            e.Property(x => x.PageUrl).HasMaxLength(512).IsRequired();
            e.Property(x => x.ListId).HasMaxLength(512);
            e.Property(x => x.SiteUrl).HasMaxLength(512);
            e.Property(x => x.Section).HasMaxLength(256).IsRequired();
        });

        modelBuilder.Entity<RequestListPartition>(e =>
        {
            e.HasKey(x => x.Id);
            e.Property(x => x.ListId).HasMaxLength(512).IsRequired();
            e.Property(x => x.Title).HasMaxLength(512);
            e.HasOne(x => x.RequestType).WithMany(x => x.ListPartitions).HasForeignKey(x => x.RequestTypeId);
            // Номер уникален в пределах типа заявок — вторая попытка записать тот же
            // номер (например, при двойном запуске задачи) упадёт на этом индексе,
            // а не создаст в реестре дубль.
            e.HasIndex(x => new { x.RequestTypeId, x.Number }).IsUnique();
        });

        modelBuilder.Entity<TemplateRoute>(e =>
        {
            e.HasKey(x => x.Id);
            e.HasOne(x => x.RequestType).WithMany(x => x.Routes).HasForeignKey(x => x.RequestTypeId);
            e.HasIndex(x => new { x.RequestTypeId, x.DepartmentId, x.CompanyId, x.ByProject }).IsUnique();
        });

        modelBuilder.Entity<TemplateRouteStep>(e =>
        {
            e.HasKey(x => x.Id);
            e.Property(x => x.ExecutorEmail).HasMaxLength(256);
            e.Property(x => x.Position).HasMaxLength(128);
            e.Property(x => x.ProjectRole).HasConversion<string>().HasMaxLength(32);
            e.Property(x => x.HeadType).HasConversion<string>().HasMaxLength(32);
            e.Property(x => x.Status).HasConversion<string>().HasMaxLength(32).IsRequired();
            e.Property(x => x.ConditionsLogic).HasConversion<string>().HasMaxLength(16).IsRequired();
            e.HasOne(x => x.Route).WithMany(x => x.Steps).HasForeignKey(x => x.RouteId);
            e.HasIndex(x => new { x.RouteId, x.OrderNo });
        });

        modelBuilder.Entity<TemplateRouteStepCondition>(e =>
        {
            e.HasKey(x => x.Id);
            e.Property(x => x.FieldName).HasMaxLength(128).IsRequired();
            e.Property(x => x.Operation).HasConversion<string>().HasMaxLength(32).IsRequired();
            e.Property(x => x.Value).HasMaxLength(256).IsRequired();
            e.HasOne(x => x.Step).WithMany(x => x.Conditions).HasForeignKey(x => x.StepId).OnDelete(DeleteBehavior.Cascade);
            e.HasIndex(x => new { x.StepId, x.OrderNo });
        });
    }
}