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src/Jiaowu.Api/Controllers/AuthController.cs

@@ -57,59 +57,64 @@ public sealed class AuthController(
     {
         var name = request.Name.Trim();
         var studentNumber = request.StudentNumber.Trim();
-        var student = await db.Students
-            .Include(x => x.AdministrativeClass)
-            .ThenInclude(x => x!.Major)
-            .FirstOrDefaultAsync(x =>
-                    x.Status == StudentStatus.Active &&
-                    x.Name == name &&
-                    x.StudentNumber == studentNumber &&
-                    x.EnrollmentYear == request.Grade &&
-                    x.AdministrativeClassId == request.AdministrativeClassId &&
-                    x.AdministrativeClass!.Grade == request.Grade &&
-                    x.AdministrativeClass.MajorId == request.MajorId &&
-                    x.AdministrativeClass.Major!.CollegeId == request.CollegeId,
-                cancellationToken);
-        if (student is null)
-            return ActivationProblem(
-                "填写的信息与在籍学生档案不完全一致，请核对后重试。",
-                StatusCodes.Status400BadRequest);
-        if (student.UserId.HasValue)
-            return ActivationProblem(
-                "该学号已经激活，请直接登录；如忘记密码请联系管理员重置。",
-                StatusCodes.Status409Conflict);
-        if (await userManager.FindByNameAsync(studentNumber) is not null)
-            return ActivationProblem(
-                "该学号已有登录账号但未正确关联，请联系管理员处理。",
-                StatusCodes.Status409Conflict);
+        var executionStrategy = db.Database.CreateExecutionStrategy();
+        return await executionStrategy.ExecuteAsync<ActionResult>(async () =>
+        {
+            var student = await db.Students
+                .Include(x => x.AdministrativeClass)
+                .ThenInclude(x => x!.Major)
+                .FirstOrDefaultAsync(x =>
+                        x.Status == StudentStatus.Active &&
+                        x.Name == name &&
+                        x.StudentNumber == studentNumber &&
+                        x.EnrollmentYear == request.Grade &&
+                        x.AdministrativeClassId == request.AdministrativeClassId &&
+                        x.AdministrativeClass!.Grade == request.Grade &&
+                        x.AdministrativeClass.MajorId == request.MajorId &&
+                        x.AdministrativeClass.Major!.CollegeId == request.CollegeId,
+                    cancellationToken);
+            if (student is null)
+                return ActivationProblem(
+                    "填写的信息与在籍学生档案不完全一致，请核对后重试。",
+                    StatusCodes.Status400BadRequest);
+            if (student.UserId.HasValue)
+                return ActivationProblem(
+                    "该学号已经激活，请直接登录；如忘记密码请联系管理员重置。",
+                    StatusCodes.Status409Conflict);
+            if (await userManager.FindByNameAsync(studentNumber) is not null)
+                return ActivationProblem(
+                    "该学号已有登录账号但未正确关联，请联系管理员处理。",
+                    StatusCodes.Status409Conflict);
 
-        await using var transaction = await db.Database.BeginTransactionAsync(cancellationToken);
-        var user = new ApplicationUser
-        {
-            UserName = studentNumber,
-            DisplayName = student.Name,
-            StaffNumber = studentNumber,
-            CollegeId = request.CollegeId,
-            IsEnabled = true,
-            LockoutEnabled = true
-        };
-        var result = await userManager.CreateAsync(user, request.Password);
-        if (!result.Succeeded)
-        {
-            await transaction.RollbackAsync(cancellationToken);
-            return IdentityValidationProblem(result);
-        }
-        result = await userManager.AddToRoleAsync(user, SystemRoles.Student);
-        if (!result.Succeeded)
-        {
-            await transaction.RollbackAsync(cancellationToken);
-            return IdentityValidationProblem(result);
-        }
+            await using var transaction =
+                await db.Database.BeginTransactionAsync(cancellationToken);
+            var user = new ApplicationUser
+            {
+                UserName = studentNumber,
+                DisplayName = student.Name,
+                StaffNumber = studentNumber,
+                CollegeId = request.CollegeId,
+                IsEnabled = true,
+                LockoutEnabled = true
+            };
+            var result = await userManager.CreateAsync(user, request.Password);
+            if (!result.Succeeded)
+            {
+                await transaction.RollbackAsync(cancellationToken);
+                return IdentityValidationProblem(result);
+            }
+            result = await userManager.AddToRoleAsync(user, SystemRoles.Student);
+            if (!result.Succeeded)
+            {
+                await transaction.RollbackAsync(cancellationToken);
+                return IdentityValidationProblem(result);
+            }
 
-        student.UserId = user.Id;
-        await db.SaveChangesAsync(cancellationToken);
-        await transaction.CommitAsync(cancellationToken);
-        return Ok(new { UserName = studentNumber });
+            student.UserId = user.Id;
+            await db.SaveChangesAsync(cancellationToken);
+            await transaction.CommitAsync(cancellationToken);
+            return Ok(new { UserName = studentNumber });
+        });
     }
 
     [AllowAnonymous]