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feat/setup
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master
@ -1,63 +0,0 @@
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using System;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.EntityFrameworkCore;
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using Models.Entities;
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using Configurations;
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public class ApplicationDbContext : DbContext
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{
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public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
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: base(options)
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{
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}
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public DbSet<Department> Departments => Set<Department>();
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public DbSet<Role> Roles => Set<Role>();
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public DbSet<Account> Accounts => Set<Account>();
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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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// ®M¥Î©Ò¦³ EntityTypeConfiguration
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modelBuilder.ApplyConfiguration(new DepartmentConfiguration());
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modelBuilder.ApplyConfiguration(new RoleConfiguration());
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modelBuilder.ApplyConfiguration(new AccountConfiguration());
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}
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public override int SaveChanges()
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{
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ApplyTimestamps();
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return base.SaveChanges();
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}
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public override Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
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{
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ApplyTimestamps();
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return base.SaveChangesAsync(cancellationToken);
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}
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private void ApplyTimestamps()
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{
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var utcNow = DateTime.UtcNow;
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foreach (var entry in ChangeTracker.Entries<BaseEntity>())
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{
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switch (entry.State)
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{
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case EntityState.Added:
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entry.Entity.CreatedAt = utcNow;
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entry.Entity.UpdatedAt = null;
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break;
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case EntityState.Modified:
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// ÁקKקï CreatedAt
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entry.Property(e => e.CreatedAt).IsModified = false;
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entry.Entity.UpdatedAt = utcNow;
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break;
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}
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}
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}
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}
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@ -1,89 +0,0 @@
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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using Models.Entities;
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namespace Configurations
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{
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public class AccountConfiguration : IEntityTypeConfiguration<Account>
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{
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public void Configure(EntityTypeBuilder<Account> builder)
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{
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builder.ToTable("accounts");
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builder.HasKey(a => a.AccountId);
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builder.Property(a => a.AccountId)
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.HasColumnName("account_id");
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builder.Property(a => a.Name)
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.HasColumnName("name")
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.IsRequired()
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.HasMaxLength(100);
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builder.Property(a => a.Username)
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.HasColumnName("username")
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.IsRequired()
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.HasMaxLength(50);
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builder.Property(a => a.Password)
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.HasColumnName("password")
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.IsRequired()
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.HasMaxLength(256);
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builder.Property(a => a.Email)
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.HasColumnName("email")
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.IsRequired()
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.HasMaxLength(254);
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builder.Property(a => a.DepartmentId)
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.HasColumnName("department_id")
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.IsRequired();
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builder.Property(a => a.RoleId)
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.HasColumnName("role_id")
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.IsRequired();
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builder.Property(a => a.Status)
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.HasColumnName("status")
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.HasConversion<string>()
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.IsRequired()
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.HasMaxLength(20);
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builder.Property(a => a.CreatedAt)
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.HasColumnName("created_at")
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.IsRequired();
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builder.Property(a => a.UpdatedAt)
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.HasColumnName("updated_at");
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builder.Property(a => a.ModifiedBy)
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.HasColumnName("modified_by");
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// 唯一索引
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builder.HasIndex(a => a.Username)
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.IsUnique()
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.HasDatabaseName("UX_accounts_username");
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builder.HasIndex(a => a.Email)
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.IsUnique()
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.HasDatabaseName("UX_accounts_email");
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// 關聯與刪除行為
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builder.HasOne(a => a.Department)
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.WithMany(d => d.Accounts)
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.HasForeignKey(a => a.DepartmentId)
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.OnDelete(DeleteBehavior.Restrict);
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builder.HasOne(a => a.Role)
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.WithMany(r => r.Accounts)
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.HasForeignKey(a => a.RoleId)
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.OnDelete(DeleteBehavior.Restrict);
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// 自參照外鍵：modified_by -> accounts.account_id (SET NULL)
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builder.HasOne<Account>()
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.WithMany()
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.HasForeignKey(a => a.ModifiedBy)
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.OnDelete(DeleteBehavior.SetNull);
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}
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}
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}
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@ -1,24 +0,0 @@
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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using Models.Entities;
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namespace Configurations
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{
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public class DepartmentConfiguration : IEntityTypeConfiguration<Department>
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{
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public void Configure(EntityTypeBuilder<Department> builder)
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{
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builder.ToTable("departments");
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builder.HasKey(d => d.DepartmentId);
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builder.Property(d => d.DepartmentId)
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.HasColumnName("department_id");
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builder.Property(d => d.DepartmentName)
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.HasColumnName("department_name")
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.IsRequired()
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.HasMaxLength(100);
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}
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}
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}
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@ -1,24 +0,0 @@
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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using Models.Entities;
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namespace Configurations
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{
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public class RoleConfiguration : IEntityTypeConfiguration<Role>
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{
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public void Configure(EntityTypeBuilder<Role> builder)
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{
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builder.ToTable("roles");
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builder.HasKey(r => r.RoleId);
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builder.Property(r => r.RoleId)
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.HasColumnName("role_id");
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builder.Property(r => r.RoleName)
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.HasColumnName("role_name")
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.IsRequired()
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.HasMaxLength(50);
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}
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}
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}
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@ -1,28 +0,0 @@
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using System;
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namespace Models.Entities
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{
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public class Account : BaseEntity
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{
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public int AccountId { get; set; }
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public string Name { get; set; } = string.Empty;
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public string Username { get; set; } = string.Empty;
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public string Password { get; set; } = string.Empty;
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public string Email { get; set; } = string.Empty;
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public int DepartmentId { get; set; }
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public int RoleId { get; set; }
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public AccountStatus Status { get; set; }
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public virtual Department? Department { get; set; }
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public virtual Role? Role { get; set; }
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}
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public enum AccountStatus
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{
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Enabled,
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Disabled,
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Unverified
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}
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}
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@ -1,12 +0,0 @@
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using System.Collections.Generic;
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namespace Models.Entities
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{
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public class Department
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{
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public int DepartmentId { get; set; }
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public string DepartmentName { get; set; } = string.Empty;
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public virtual ICollection<Account> Accounts { get; set; } = new HashSet<Account>();
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}
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}
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@ -1,12 +0,0 @@
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using System.Collections.Generic;
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namespace Models.Entities
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{
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public class Role
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{
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public int RoleId { get; set; }
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public string RoleName { get; set; } = string.Empty;
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public virtual ICollection<Account> Accounts { get; set; } = new HashSet<Account>();
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}
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}
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46
Program.cs
46
Program.cs
@ -1,46 +0,0 @@
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using System;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Diagnostics;
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using Microsoft.Extensions.Logging;
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using Pomelo.EntityFrameworkCore.MySql.Infrastructure;
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var builder = WebApplication.CreateBuilder(args);
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// 讀取連線字串
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var connectionString = builder.Configuration.GetConnectionString("DefaultConnection")
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?? throw new InvalidOperationException("Connection string 'DefaultConnection' not found.");
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// EF Core + Pomelo MySQL 註冊
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builder.Services.AddDbContext<ApplicationDbContext>(options =>
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{
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var serverVersion = new MariaDbServerVersion(new Version(10, 6, 0));
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options.UseMySql(connectionString, serverVersion, mySqlOptions =>
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{
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// 字元集設定
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mySqlOptions.CharSet(CharSet.Utf8Mb4);
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mySqlOptions.CharSetBehavior(CharSetBehavior.AppendToAllColumns);
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// 可選：重試策略
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mySqlOptions.EnableRetryOnFailure(5, TimeSpan.FromSeconds(10), null);
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});
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// 開發環境顯示更詳細的資料庫日誌
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if (builder.Environment.IsDevelopment())
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{
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options.EnableDetailedErrors();
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options.EnableSensitiveDataLogging();
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options.LogTo(Console.WriteLine, LogLevel.Information, DbContextLoggerOptions.DefaultWithLocalTime);
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}
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});
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// Logging（只在開發環境加強輸出 EF Core 訊息）
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if (builder.Environment.IsDevelopment())
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{
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builder.Logging.AddConsole()
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.AddFilter("Microsoft.EntityFrameworkCore.Database.Command", LogLevel.Information)
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.AddFilter("Microsoft.EntityFrameworkCore.Infrastructure", LogLevel.Information);
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}
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var app = builder.Build();
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app.Run();
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