实验成绩 Excel 流程

tests/Jiaowu.Api.Tests/ExperimentGradesControllerTests.cs

@@ -4,6 +4,8 @@ using Jiaowu.Api.Domain.Identity;
 using Jiaowu.Api.Infrastructure.Auth;
 using Jiaowu.Api.Infrastructure.Grades;
 using Jiaowu.Api.Infrastructure.Persistence;
+using ClosedXML.Excel;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Data.Sqlite;
 using Microsoft.EntityFrameworkCore;
@@ -72,6 +74,56 @@ public sealed class ExperimentGradesControllerTests
             CancellationToken.None));
     }
 
+    [Fact]
+    public async Task Teacher_CanDownloadAndImportExperimentGradeTemplate()
+    {
+        await using var fixture = await ExperimentGradeFixture.CreateAsync();
+        var project = new ExperimentProject
+        {
+            TeachingTaskId = fixture.Task.Id,
+            Code = "LAB-EXCEL",
+            Name = "Excel 实验成绩",
+            ArrangementMode = ExperimentArrangementMode.Centralized,
+            StartDate = fixture.Term.StartDate,
+            EndDate = fixture.Term.EndDate,
+            Status = ExperimentProjectStatus.Published,
+            PublishedAt = DateTime.UtcNow
+        };
+        fixture.Db.ExperimentProjects.Add(project);
+        await fixture.Db.SaveChangesAsync();
+
+        var admin = fixture.ExperimentGrades(fixture.AdminScope);
+        await admin.CreateSheet(new ExperimentGradeSheetRequest(
+            project.Id, 1, 60,
+            [new ExperimentGradeItemRequest("操作", ExperimentGradeItemKind.Operation, 100)]),
+            CancellationToken.None);
+        var sheet = await fixture.Db.ExperimentGradeSheets.SingleAsync();
+        fixture.Db.ChangeTracker.Clear();
+
+        var teacher = fixture.ExperimentGrades(fixture.TeacherScope);
+        var template = Assert.IsType<FileContentResult>(await teacher.DownloadTemplate(
+            sheet.Id, CancellationToken.None));
+        Assert.Equal("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+            template.ContentType);
+        await using var templateStream = new MemoryStream(template.FileContents);
+        await using var stream = new MemoryStream();
+        using (var workbook = new XLWorkbook(templateStream))
+        {
+            var worksheet = workbook.Worksheet("实验成绩导入");
+            worksheet.Cell("D2").Value = "已完成";
+            worksheet.Cell("E2").Value = 85;
+            workbook.SaveAs(stream);
+        }
+        stream.Position = 0;
+        var file = new FormFile(stream, 0, stream.Length, "file", "实验成绩导入模板.xlsx");
+        Assert.IsType<OkObjectResult>(await teacher.ImportRecords(
+            sheet.Id, file, CancellationToken.None));
+        fixture.Db.ChangeTracker.Clear();
+        Assert.Equal(85m, await fixture.Db.ExperimentGradeRecords
+            .Select(record => record.TotalScore)
+            .SingleAsync());
+    }
+
     [Fact]
     public async Task ManagementList_IsPagedFilteredAndCollegeScoped()
     {