45 lines
1.8 KiB
C#
45 lines
1.8 KiB
C#
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using Demo.Data.RemoteData.RemoteDataBase.DAO;
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using Microsoft.EntityFrameworkCore;
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namespace Demo.Data.RemoteData.RemoteDataBase
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{
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public class RemoteDatabaseContext : DbContext
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{
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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optionsBuilder.UseNpgsql("Host=45.67.56.214;Port=5421;Username=user15;Database=user15;Password=3XkvwMOb");
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}
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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// Настройка ключа и автоматической генерации для GroupDao
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modelBuilder.Entity<GroupDao>().HasKey(group => group.Id);
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modelBuilder.Entity<GroupDao>().Property(group => group.Id).ValueGeneratedOnAdd();
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// Настройка ключа и автоматической генерации для UserDao
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modelBuilder.Entity<UserDao>().HasKey(user => user.Guid);
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modelBuilder.Entity<UserDao>().Property(user => user.Guid).ValueGeneratedOnAdd();
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// Настройка составного ключа для PresenceDao
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modelBuilder.Entity<PresenceDao>().HasKey(presense => new
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{
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presense.UserGuid,
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presense.Date,
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presense.IsAttedance,
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presense.LessonNumber
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});
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// Настройка связи UserDao с PresenceDao
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modelBuilder.Entity<PresenceDao>()
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.HasOne(p => p.UserDao)
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.WithMany()
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.HasForeignKey(p => p.UserGuid)
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.OnDelete(DeleteBehavior.Cascade);
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}
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public DbSet<GroupDao> Groups { get; set; }
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public DbSet<UserDao> Users { get; set; }
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public DbSet<PresenceDao> PresenceDaos { get; set; }
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}
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}
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