使用 PostgreSQL 数据库存储数据
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5e74bc50a9
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7
src/HelloShop.IdentityService/Constants/DbConstants.cs
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7
src/HelloShop.IdentityService/Constants/DbConstants.cs
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namespace HelloShop.IdentityService.Constants
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{
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public class DbConstants
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{
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public const string ConnectionStringName = "IdentityDatabase";
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}
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}
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36
src/HelloShop.IdentityService/Controllers/UsersController.cs
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36
src/HelloShop.IdentityService/Controllers/UsersController.cs
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using HelloShop.IdentityService.Entities;
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using HelloShop.IdentityService.EntityFrameworks;
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using Microsoft.AspNetCore.Mvc;
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// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
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namespace HelloShop.IdentityService.Controllers
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{
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[Route("api/[controller]")]
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[ApiController]
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public class UsersController(IdentityServiceDbContext dbContext) : ControllerBase
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{
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[HttpGet]
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public IEnumerable<User> Get()
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{
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return dbContext.Set<User>();
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}
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// GET api/<UsersController>/5
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[HttpGet("{id}")]
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public User? Get(int id)
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{
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return dbContext.Set<User>().Find(id);
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}
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// POST api/<UsersController>
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[HttpPost]
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public void Post([FromBody] User value)
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{
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value.CreationTime = DateTimeOffset.Now;
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dbContext.Add(value);
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dbContext.SaveChanges();
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}
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}
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}
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13
src/HelloShop.IdentityService/Entities/User.cs
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src/HelloShop.IdentityService/Entities/User.cs
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namespace HelloShop.IdentityService.Entities
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{
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public class User
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{
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public int Id { get; set; }
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public string UserName { get; set; } = default!;
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public string PasswordHash { get; set; } = default!;
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public DateTimeOffset CreationTime { get; set; } = DateTimeOffset.UtcNow;
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}
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}
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using HelloShop.IdentityService.Entities;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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namespace HelloShop.IdentityService.EntityFrameworks.EntityConfigurations
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{
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public class UserEntityTypeConfiguration : IEntityTypeConfiguration<User>
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{
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public void Configure(EntityTypeBuilder<User> builder)
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{
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builder.ToTable("Users");
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builder.HasKey(u => u.Id);
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builder.Property(u => u.Id).HasColumnOrder(1);
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builder.Property(u => u.UserName).HasMaxLength(50).HasColumnOrder(3);
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builder.Property(u => u.PasswordHash).HasMaxLength(100).HasColumnOrder(2);
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}
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}
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}
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using Microsoft.EntityFrameworkCore;
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using System.Reflection;
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namespace HelloShop.IdentityService.EntityFrameworks
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{
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public class IdentityServiceDbContext(DbContextOptions<IdentityServiceDbContext> options) : DbContext(options)
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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.ApplyConfigurationsFromAssembly(Assembly.GetExecutingAssembly());
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AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
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AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
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}
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}
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}
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59
src/HelloShop.IdentityService/EntityFrameworks/Migrations/20240302004354_InitialCreate.Designer.cs
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59
src/HelloShop.IdentityService/EntityFrameworks/Migrations/20240302004354_InitialCreate.Designer.cs
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// <auto-generated />
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using System;
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using HelloShop.IdentityService.EntityFrameworks;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Infrastructure;
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using Microsoft.EntityFrameworkCore.Migrations;
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using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace HelloShop.IdentityService.EntityFrameworks.Migrations
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{
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[DbContext(typeof(IdentityServiceDbContext))]
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[Migration("20240302004354_InitialCreate")]
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partial class InitialCreate
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{
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/// <inheritdoc />
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protected override void BuildTargetModel(ModelBuilder modelBuilder)
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{
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#pragma warning disable 612, 618
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modelBuilder
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.HasAnnotation("ProductVersion", "8.0.2")
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.HasAnnotation("Relational:MaxIdentifierLength", 63);
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NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
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modelBuilder.Entity("HelloShop.IdentityService.Entities.User", b =>
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{
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b.Property<int>("Id")
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.ValueGeneratedOnAdd()
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.HasColumnType("integer")
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.HasColumnOrder(1);
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NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
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b.Property<DateTimeOffset>("CreationTime")
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.HasColumnType("timestamp with time zone");
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b.Property<string>("PasswordHash")
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.IsRequired()
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.HasMaxLength(100)
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.HasColumnType("character varying(100)")
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.HasColumnOrder(2);
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b.Property<string>("UserName")
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.IsRequired()
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.HasMaxLength(50)
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.HasColumnType("character varying(50)")
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.HasColumnOrder(3);
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b.HasKey("Id");
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b.ToTable("Users", (string)null);
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});
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#pragma warning restore 612, 618
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}
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}
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}
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using System;
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using Microsoft.EntityFrameworkCore.Migrations;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace HelloShop.IdentityService.EntityFrameworks.Migrations
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{
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/// <inheritdoc />
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public partial class InitialCreate : Migration
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{
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/// <inheritdoc />
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.CreateTable(
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name: "Users",
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columns: table => new
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{
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Id = table.Column<int>(type: "integer", nullable: false)
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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PasswordHash = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
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UserName = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
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CreationTime = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_Users", x => x.Id);
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});
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}
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/// <inheritdoc />
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropTable(
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name: "Users");
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}
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}
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}
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// <auto-generated />
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using System;
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using HelloShop.IdentityService.EntityFrameworks;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Infrastructure;
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using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace HelloShop.IdentityService.EntityFrameworks.Migrations
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{
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[DbContext(typeof(IdentityServiceDbContext))]
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partial class IdentityServiceDbContextModelSnapshot : ModelSnapshot
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{
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protected override void BuildModel(ModelBuilder modelBuilder)
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{
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#pragma warning disable 612, 618
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modelBuilder
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.HasAnnotation("ProductVersion", "8.0.2")
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.HasAnnotation("Relational:MaxIdentifierLength", 63);
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NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
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modelBuilder.Entity("HelloShop.IdentityService.Entities.User", b =>
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{
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b.Property<int>("Id")
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.ValueGeneratedOnAdd()
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.HasColumnType("integer")
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.HasColumnOrder(1);
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NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
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b.Property<DateTimeOffset>("CreationTime")
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.HasColumnType("timestamp with time zone");
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b.Property<string>("PasswordHash")
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.IsRequired()
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.HasMaxLength(100)
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.HasColumnType("character varying(100)")
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.HasColumnOrder(2);
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b.Property<string>("UserName")
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.IsRequired()
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.HasMaxLength(50)
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.HasColumnType("character varying(50)")
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.HasColumnOrder(3);
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b.HasKey("Id");
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b.ToTable("Users", (string)null);
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});
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#pragma warning restore 612, 618
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}
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}
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}
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6
src/HelloShop.IdentityService/EntityFrameworks/README.md
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6
src/HelloShop.IdentityService/EntityFrameworks/README.md
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```shell
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dotnet ef database drop --force
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dotnet ef migrations remove
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dotnet ef migrations add InitialCreate --output-dir EntityFrameworks/Migrations
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dotnet ef database update
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```
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<InvariantGlobalization>true</InvariantGlobalization>
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<InvariantGlobalization>true</InvariantGlobalization>
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</PropertyGroup>
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</PropertyGroup>
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<ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.2">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
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<PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
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<PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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using HelloShop.IdentityService.Constants;
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using HelloShop.IdentityService.EntityFrameworks;
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using Microsoft.EntityFrameworkCore;
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var builder = WebApplication.CreateBuilder(args);
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var builder = WebApplication.CreateBuilder(args);
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builder.AddServiceDefaults();
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builder.AddServiceDefaults();
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builder.Services.AddEndpointsApiExplorer();
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builder.Services.AddEndpointsApiExplorer();
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builder.Services.AddSwaggerGen();
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builder.Services.AddSwaggerGen();
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builder.Services.AddDbContext<IdentityServiceDbContext>(options =>
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{
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options.UseNpgsql(builder.Configuration.GetConnectionString(DbConstants.ConnectionStringName));
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});
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var app = builder.Build();
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var app = builder.Build();
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app.MapDefaultEndpoints();
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app.MapDefaultEndpoints();
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"Microsoft.AspNetCore": "Warning"
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"Microsoft.AspNetCore": "Warning"
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}
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}
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},
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},
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"ConnectionStrings": {
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"IdentityDatabase": "Host=localhost;Port=5432;Database=IdentityService;Username=postgres;Password=postgres"
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},
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"AllowedHosts": "*"
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"AllowedHosts": "*"
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}
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}
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