39 lines
1.5 KiB
C#
39 lines
1.5 KiB
C#
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using Microsoft.EntityFrameworkCore;
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using System.Collections.Generic;
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using TransportCompanyDatabaseImplement.Models;
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namespace TransportCompanyDatabaseImplement
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{
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public class TransportCompanyDatabase : DbContext
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{
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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if (!optionsBuilder.IsConfigured)
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{
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optionsBuilder.UseSqlServer(@"Data Source=LAPTOP-M2G96S06\SQLEXPRESS;Initial Catalog=TransportCompanyDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
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}
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base.OnConfiguring(optionsBuilder);
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}
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public virtual DbSet<Cargo> Cargos { set; get; }
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public virtual DbSet<Driver> Drivers { set; get; }
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public virtual DbSet<Point> Points { set; get; }
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public virtual DbSet<Transport> Transports { set; get; }
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public virtual DbSet<Transportation> Transportations { set; get; }
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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modelBuilder.Entity<Transportation>()
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.HasOne(t => t.PointTo)
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.WithMany(p => p.TransportationsTo)
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.HasForeignKey(t => t.PointToId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<Transportation>()
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.HasOne(t => t.PointFrom)
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.WithMany(p => p.TransportationsFrom)
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.HasForeignKey(t => t.PointFromId)
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.OnDelete(DeleteBehavior.Restrict);
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}
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}
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}
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