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src/Jiaowu.Api/Controllers/DashboardController.cs

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+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Controllers;
+
+[ApiController]
+[Authorize]
+[Route("api/dashboard")]
+public sealed class DashboardController(AppDbContext db) : ControllerBase
+{
+    [HttpGet]
+    public async Task<ActionResult<object>> Get(CancellationToken cancellationToken)
+    {
+        var currentTerm = await db.AcademicTerms
+            .AsNoTracking()
+            .Where(x => x.IsCurrent)
+            .Select(x => new { x.Id, x.Name, x.StartDate, x.EndDate })
+            .FirstOrDefaultAsync(cancellationToken);
+
+        return new
+        {
+            CurrentTerm = currentTerm,
+            Counts = new
+            {
+                Campuses = await db.Campuses.CountAsync(cancellationToken),
+                Colleges = await db.Colleges.CountAsync(cancellationToken),
+                Majors = await db.Majors.CountAsync(cancellationToken),
+                Classes = await db.AdministrativeClasses.CountAsync(cancellationToken),
+                Classrooms = await db.Classrooms.CountAsync(cancellationToken),
+                Users = await db.Users.CountAsync(cancellationToken)
+            }
+        };
+    }
+}