新增 Role 與 Department 資料存取介面及實作

在 `Program.cs` 中，新增對 `IRoleRepository` 和 `IDepartmentRepository` 的依賴注入。
實作 `IDepartmentRepository` 和 `IRoleRepository` 介面，並提供 `GetAllAsync` 方法以非同步取得所有處室及身份資料。
相關命名空間也已引入以支援這些變更。

XisongSpaceBooking_BackEnd/Program.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.OpenApi.Models;
 using XisongSpaceBooking_BackEnd.Configurations;
+using XisongSpaceBooking_BackEnd.Repositories;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -12,6 +13,10 @@ builder.Services.AddAutoMapper(cfg =>
 {
 }, typeof(AutoMappingProfile).Assembly);
 
+// µù¥U Repository ªA°È
+builder.Services.AddScoped<IRoleRepository, RoleRepository>();
+builder.Services.AddScoped<IDepartmentRepository, DepartmentRepository>();
+
 // °t¸m Entity Framework »P³s½u¦À
 builder.Services.AddDbContextPool<SpaceBookingDbContext>(options =>
 {

XisongSpaceBooking_BackEnd/Repositories/DepartmentRepository.cs

@@ -0,0 +1,34 @@
+using Microsoft.EntityFrameworkCore;
+using Models.Entities;
+using XisongSpaceBooking_BackEnd.Configurations;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// 處室資料存取實作
+    /// </summary>
+    public class DepartmentRepository : IDepartmentRepository
+    {
+        private readonly SpaceBookingDbContext _context;
+
+        /// <summary>
+        /// 建構函式
+        /// </summary>
+        /// <param name="context">資料庫內容</param>
+        public DepartmentRepository(SpaceBookingDbContext context)
+        {
+            _context = context;
+        }
+
+        /// <summary>
+        /// 取得所有處室資料
+        /// </summary>
+        /// <returns>所有處室資料的集合</returns>
+        public async Task<IEnumerable<DepartmentEntity>> GetAllAsync()
+        {
+            return await _context.Departments
+                .AsNoTracking()
+                .ToListAsync();
+        }
+    }
+}

XisongSpaceBooking_BackEnd/Repositories/IDepartmentRepository.cs

@@ -0,0 +1,16 @@
+using Models.Entities;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// 處室資料存取介面
+    /// </summary>
+    public interface IDepartmentRepository
+    {
+        /// <summary>
+        /// 取得所有處室資料
+        /// </summary>
+        /// <returns>所有處室資料的集合</returns>
+        Task<IEnumerable<DepartmentEntity>> GetAllAsync();
+    }
+}

XisongSpaceBooking_BackEnd/Repositories/IRoleRepository.cs

@@ -0,0 +1,16 @@
+using Models.Entities;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// 身份資料存取介面
+    /// </summary>
+    public interface IRoleRepository
+    {
+        /// <summary>
+        /// 取得所有身份資料
+        /// </summary>
+        /// <returns>所有身份資料的集合</returns>
+        Task<IEnumerable<RoleEntity>> GetAllAsync();
+    }
+}

XisongSpaceBooking_BackEnd/Repositories/RoleRepository.cs

@@ -0,0 +1,34 @@
+using Microsoft.EntityFrameworkCore;
+using Models.Entities;
+using XisongSpaceBooking_BackEnd.Configurations;
+
+namespace XisongSpaceBooking_BackEnd.Repositories
+{
+    /// <summary>
+    /// 身份資料存取實作
+    /// </summary>
+    public class RoleRepository : IRoleRepository
+    {
+        private readonly SpaceBookingDbContext _context;
+
+        /// <summary>
+        /// 建構函式
+        /// </summary>
+        /// <param name="context">資料庫內容</param>
+        public RoleRepository(SpaceBookingDbContext context)
+        {
+            _context = context;
+        }
+
+        /// <summary>
+        /// 取得所有身份資料
+        /// </summary>
+        /// <returns>所有身份資料的集合</returns>
+        public async Task<IEnumerable<RoleEntity>> GetAllAsync()
+        {
+            return await _context.Roles
+                .AsNoTracking()
+                .ToListAsync();
+        }
+    }
+}