97 lines
2.9 KiB
C#
97 lines
2.9 KiB
C#
using CatHasPawsContratcs.Infrastructure;
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using CatHasPawsContratcs.Infrastructure.PostConfigurations;
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using CatHasPawsDatabase.Models;
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using Microsoft.EntityFrameworkCore;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace CatHasPawsDatabase;
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internal class CatHasPawsDbContext : DbContext
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{
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private readonly IConfigurationDatabase? _configurationDatabase;
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public CatHasPawsDbContext(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<Buyer>().HasIndex(x => x.PhoneNumber).IsUnique();
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modelBuilder.Entity<Sale>()
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.HasOne(e => e.Buyer)
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.WithMany(e => e.Sales)
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.OnDelete(DeleteBehavior.SetNull);
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modelBuilder.Entity<Manufacturer>().HasIndex(x => x.ManufacturerName).IsUnique();
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modelBuilder.Entity<Post>()
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.HasIndex(e => new { e.PostName, e.IsActual })
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.IsUnique()
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.HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
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modelBuilder.Entity<Post>()
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.HasIndex(e => new { e.PostId, e.IsActual })
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.IsUnique()
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.HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
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modelBuilder.Entity<Product>()
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.HasIndex(x => new { x.ProductName, x.IsDeleted })
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.IsUnique()
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.HasFilter($"\"{nameof(Product.IsDeleted)}\" = FALSE");
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modelBuilder
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.Entity<Product>()
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.HasOne(e => e.Manufacturer)
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.WithMany(e => e.Products)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<SaleProduct>().HasKey(x => new { x.SaleId, x.ProductId });
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modelBuilder.Entity<Post>()
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.Property(x => x.Configuration)
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.HasColumnType("jsonb")
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.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<Buyer> Buyers { get; set; }
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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<Product> Products { get; set; }
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public DbSet<ProductHistory> ProductHistories { get; set; }
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public DbSet<Salary> Salaries { get; set; }
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public DbSet<Sale> Sales { get; set; }
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public DbSet<SaleProduct> SaleProducts { 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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} |