69 lines
3.1 KiB
C#
69 lines
3.1 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using SmallSoftwareContracts.Infrastructure;
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using SmallSoftwareContracts.Infrastructure.PostConfigurations;
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using SmallSoftwareDatabase.Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SmallSoftwareDatabase;
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internal class SmallSoftwareDbContext : DbContext
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{
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private readonly IConfigurationDatabase? _configurationDatabase;
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public SmallSoftwareDbContext(IConfigurationDatabase configurationDatabase)
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{
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_configurationDatabase = configurationDatabase;
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}
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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optionsBuilder.UseNpgsql(_configurationDatabase?.ConnectionString, o => o.SetPostgresVersion(12, 2));
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base.OnConfiguring(optionsBuilder);
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}
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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base.OnModelCreating(modelBuilder);
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modelBuilder.Entity<Manufacturer>().HasIndex(x => x.ManufacturerName).IsUnique();
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modelBuilder.Entity<Post>().HasIndex(e => new { e.PostName, e.IsActual })
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.IsUnique()
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.HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
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modelBuilder.Entity<Post>().HasIndex(e => new { e.PostId, e.IsActual })
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.IsUnique()
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.HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
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modelBuilder.Entity<Software>().HasIndex(x => new { x.SoftwareName, x.IsDeleted })
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.IsUnique()
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.HasFilter($"\"{nameof(Software.IsDeleted)}\" = FALSE");
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modelBuilder.Entity<Software>()
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.HasOne(e => e.Manufacturer)
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.WithMany(e => e.Softwares)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<InstallationRequest>().HasKey(x => new { x.RequestId, x.SoftwareId });
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modelBuilder.Entity<Worker>().Property(x => x.Configuration).HasColumnType("jsonb").HasConversion(
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x => SerializePostConfiguration(x),
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x => DeserialzePostConfiguration(x)
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);
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}
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public DbSet<Manufacturer> Manufacturers { get; set; }
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public DbSet<Post> Posts { get; set; }
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public DbSet<Software> Softwares { get; set; }
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public DbSet<SoftwareHistory> SoftwareHistories { get; set; }
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public DbSet<Salary> Salaries { get; set; }
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public DbSet<Request> Requests { get; set; }
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public DbSet<InstallationRequest> InstallationRequests { get; set; }
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public DbSet<Worker> Workers { get; set; }
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private static string SerializePostConfiguration(PostConfiguration postConfiguration) => JsonConvert.SerializeObject(postConfiguration);
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private static PostConfiguration DeserialzePostConfiguration(string jsonString) => JToken.Parse(jsonString).Value<string>("Type") switch
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{
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nameof(CashierPostConfiguration) => JsonConvert.DeserializeObject<CashierPostConfiguration>(jsonString)!,
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nameof(SupervisorPostConfiguration) => JsonConvert.DeserializeObject<SupervisorPostConfiguration>(jsonString)!,
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_ => JsonConvert.DeserializeObject<PostConfiguration>(jsonString)!
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};
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}
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