修正实验室选择

src/Jiaowu.Api/Controllers/ExperimentsController.cs

@@ -503,12 +503,32 @@ public sealed class ExperimentsController(
                 x.CourseId != first.CourseId))
             return ValidationProblem("批量设置仅支持同一学期、同一课程的教学任务。");
 
+        if (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled &&
+            request.ProjectCount is < 1 or > 100)
+            return ValidationProblem("自行安排一次可生成 1 至 100 个实验项目。");
+
         var code = request.Code.Trim();
+        var names = NormalizeBatchProjectNames(request.Names);
+        var definitionCount = request.ArrangementMode == ExperimentArrangementMode.SelfScheduled
+            ? request.ProjectCount
+            : 1;
+        if (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled &&
+            names is not null && names.Count != definitionCount)
+            return ValidationProblem($"已填写 {names.Count} 个项目名称，请将生成项目数设为相同数量。");
+        if (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled &&
+            taskIds.Count * definitionCount > 1000)
+            return ValidationProblem("本次最多生成 1000 个自行安排实验项目，请缩小教学任务或项目数量。");
+
+        var projectCodes = Enumerable.Range(1, definitionCount)
+            .Select(index => ProjectCode(code, index, definitionCount))
+            .ToList();
+        if (projectCodes.Any(item => item.Length > 40))
+            return ValidationProblem("项目编码前缀过长，无法追加顺序号。");
         if (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled)
         {
             var conflictingTaskNumbers = await db.ExperimentProjects.AsNoTracking()
                 .WhereIn(taskIds, x => x.TeachingTaskId)
-                .Where(x => x.Code == code)
+                .Where(x => projectCodes.Contains(x.Code))
                 .Select(x => x.TeachingTask!.TaskNumber)
                 .OrderBy(x => x)
                 .ToListAsync(cancellationToken);
@@ -565,7 +585,7 @@ public sealed class ExperimentsController(
                 return ConflictProblem("所选实验课中已存在相同实验项目编码和周次，不能重复生成。");
         }
 
-        var projects = new List<ExperimentProject>(tasks.Count);
+        var projects = new List<ExperimentProject>(tasks.Count * definitionCount);
         foreach (var task in tasks)
         {
             var item = request.ForTeachingTask(task.Id);
@@ -594,12 +614,14 @@ public sealed class ExperimentsController(
                         continue;
                     }
                 }
+                for (var definitionIndex = 1; definitionIndex <= definitionCount; definitionIndex++)
+                {
                     projects.Add(new ExperimentProject
                     {
                         TeachingTaskId = task.Id,
                         ScheduleEntryId = occurrence.Entry?.Id,
                         ScheduleWeek = occurrence.Week,
-                    Code = code,
+                        Code = ProjectCode(code, definitionIndex, definitionCount),
                         Name = request.Name.Trim(),
                         ArrangementMode = request.ArrangementMode,
                         Description = Normalize(request.Description),
@@ -611,26 +633,38 @@ public sealed class ExperimentsController(
                     });
                 }
             }
+        }
 
-        var names = NormalizeBatchProjectNames(request.Names);
         if (request.GenerateSequentialNames)
         {
             if (names is not null)
                 return ValidationProblem("自动生成顺序号时无需填写逐行项目名称。");
-            var width = Math.Max(2, projects.Count.ToString().Length);
+            var width = Math.Max(2, (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled
+                ? definitionCount
+                : projects.Count).ToString().Length);
             if (request.Name.Trim().Length + width + 1 > 120)
                 return ValidationProblem("项目名称前缀过长，无法追加顺序号。");
             for (var index = 0; index < projects.Count; index++)
-                projects[index].Name = $"{request.Name.Trim()} {(index + 1).ToString($"D{width}")}";
+            {
+                var number = request.ArrangementMode == ExperimentArrangementMode.SelfScheduled
+                    ? index % definitionCount + 1
+                    : index + 1;
+                projects[index].Name = $"{request.Name.Trim()} {number.ToString($"D{width}")}";
+            }
         }
         else if (names is not null)
         {
             if (names.Any(name => string.IsNullOrWhiteSpace(name) || name.Length > 120))
                 return ValidationProblem("每个实验项目名称均不能为空，且不能超过 120 个字符。");
-            if (names.Count != projects.Count)
+            var expectedNameCount = request.ArrangementMode == ExperimentArrangementMode.SelfScheduled
+                ? definitionCount
+                : projects.Count;
+            if (names.Count != expectedNameCount)
                 return ValidationProblem($"已填写 {names.Count} 个项目名称，但本次将生成 {projects.Count} 个实验项目；请确保每行对应一个项目。");
             for (var index = 0; index < projects.Count; index++)
-                projects[index].Name = names[index];
+                projects[index].Name = names[request.ArrangementMode == ExperimentArrangementMode.SelfScheduled
+                    ? index % definitionCount
+                    : index];
         }
 
         db.ExperimentProjects.AddRange(projects);
@@ -1370,9 +1404,7 @@ public sealed class ExperimentsController(
             .FirstOrDefaultAsync(x =>
                 x.Id == request.ClassroomId && x.IsEnabled,
                 cancellationToken);
-        if (classroom is null) return "实验教室不存在或已停用。";
+        if (classroom is null) return "实验场地不存在或已停用。";
-        if (!TeachingVenueNatureRules.SupportsExperiment(classroom.TeachingVenueNature))
-            return "所选场地未标注实验教学性质。";
         if (request.Capacity > classroom.Capacity)
             return $"场次容量不能超过教室容量 {classroom.Capacity} 人。";
         if (project.ArrangementMode ==
@@ -1737,6 +1769,11 @@ public sealed class ExperimentsController(
         return names.Select(name => name.Trim()).ToList();
     }
 
+    private static string ProjectCode(string prefix, int index, int count) =>
+        count == 1
+            ? prefix
+            : $"{prefix}-{index.ToString($"D{Math.Max(2, count.ToString().Length)}")}";
+
     private ActionResult ConflictProblem(string detail) =>
         Conflict(new ProblemDetails
         {
@@ -1776,7 +1813,8 @@ public sealed record ExperimentProjectBatchRequest(
     IReadOnlyList<string>? Names = null,
     bool GenerateSequentialNames = false,
     DateTime? SelectionStartsAt = null,
-    DateTime? SelectionEndsAt = null)
+    DateTime? SelectionEndsAt = null,
+    [Range(1, 100)] int ProjectCount = 1)
 {
     public ExperimentProjectRequest ForTeachingTask(Guid teachingTaskId) =>
         new(

tests/Jiaowu.Api.Tests/ExperimentsControllerTests.cs

@@ -45,24 +45,28 @@ public sealed class ExperimentsControllerTests
 
         var pasted = fixture.BatchProjectRequest(ExperimentArrangementMode.SelfScheduled) with
         {
-            Names = ["实验一", "实验二"]
+            Names = ["实验一", "实验二"],
+            ProjectCount = 2
         };
         Assert.IsType<CreatedResult>(await controller.CreateProjects(pasted, CancellationToken.None));
-        Assert.Equal(["实验一", "实验二"], await fixture.Db.ExperimentProjects
+        Assert.Equal(["实验一", "实验二", "实验一", "实验二"], await fixture.Db.ExperimentProjects
-            .OrderBy(x => x.TeachingTask!.TaskNumber)
+            .OrderBy(x => x.TeachingTask!.TaskNumber).ThenBy(x => x.Code)
             .Select(x => x.Name)
             .ToListAsync());
+        Assert.Equal(["LAB-BATCH-01", "LAB-BATCH-02"], await fixture.Db.ExperimentProjects
+            .Select(x => x.Code).Distinct().OrderBy(x => x).ToListAsync());
 
         fixture.Db.ExperimentProjects.RemoveRange(fixture.Db.ExperimentProjects);
         await fixture.Db.SaveChangesAsync();
         var sequential = fixture.BatchProjectRequest(ExperimentArrangementMode.SelfScheduled) with
         {
             Name = "数据库实验",
-            GenerateSequentialNames = true
+            GenerateSequentialNames = true,
+            ProjectCount = 3
         };
         Assert.IsType<CreatedResult>(await controller.CreateProjects(sequential, CancellationToken.None));
-        Assert.Equal(["数据库实验 01", "数据库实验 02"], await fixture.Db.ExperimentProjects
+        Assert.Equal(["数据库实验 01", "数据库实验 02", "数据库实验 03", "数据库实验 01", "数据库实验 02", "数据库实验 03"], await fixture.Db.ExperimentProjects
-            .OrderBy(x => x.TeachingTask!.TaskNumber)
+            .OrderBy(x => x.TeachingTask!.TaskNumber).ThenBy(x => x.Code)
             .Select(x => x.Name)
             .ToListAsync());
     }
@@ -254,6 +258,23 @@ public sealed class ExperimentsControllerTests
             await fixture.Controller(fixture.StudentScope).Book(session.Id, CancellationToken.None));
     }
 
+    [Fact]
+    public async Task SelfScheduledSession_AllowsAnyEnabledTeachingVenue()
+    {
+        await using var fixture = await ExperimentFixture.CreateAsync();
+        fixture.Classroom.TeachingVenueNature = TeachingVenueNature.GeneralClassroom;
+        await fixture.Db.SaveChangesAsync();
+        var manager = fixture.Controller(fixture.ManagerScope);
+
+        await manager.CreateProject(
+            fixture.ProjectRequest(ExperimentArrangementMode.SelfScheduled),
+            CancellationToken.None);
+        var project = await fixture.Db.ExperimentProjects.SingleAsync();
+
+        Assert.IsType<CreatedResult>(await manager.CreateSession(
+            project.Id, fixture.SessionRequest(1, 2), CancellationToken.None));
+    }
+
     [Fact]
     public async Task BoundInstructor_CanCancelOwnSession()
     {

web/src/views/ExperimentsView.vue

@@ -46,6 +46,7 @@ const projectForm = reactive({
   name: '',
   projectNames: '',
   nameMode: 'Sequence',
+  projectCount: 1,
   arrangementMode: 'Centralized',
   description: '',
   requirements: '',
@@ -142,6 +143,7 @@ const activePeriods = computed(() =>
       || period.academicTermId === selectedProject.value.academicTermId,
   ),
 )
+const experimentClassrooms = computed(() => options.classrooms)
 
 const modeMeta: Record<string, { label: string; note: string }> = {
   Centralized: {
@@ -170,6 +172,7 @@ function resetProjectForm() {
     name: '',
     projectNames: '',
     nameMode: 'Sequence',
+    projectCount: 1,
     arrangementMode: 'Centralized',
     description: '',
     requirements: '',
@@ -252,6 +255,9 @@ async function saveProject() {
     scheduleEntryId: projectForm.scheduleEntryId || null,
     code: projectForm.code,
     name: projectForm.nameMode === 'InputNames' && !editingProjectId.value ? names[0] : projectForm.name,
+    projectCount: projectForm.arrangementMode === 'SelfScheduled'
+      ? (projectForm.nameMode === 'InputNames' ? names.length : projectForm.projectCount)
+      : 1,
     arrangementMode: projectForm.arrangementMode,
     description: projectForm.description || null,
     requirements: projectForm.requirements || null,
@@ -283,7 +289,7 @@ async function saveProject() {
       })
       ElMessage.success(projectForm.arrangementMode === 'Centralized'
         ? `已按 ${projectForm.teachingTaskIds.length} 个教学班的全部实验课生成项目`
-        : `已为 ${projectForm.teachingTaskIds.length} 个教学任务创建实验项目`)
+        : `已为 ${projectForm.teachingTaskIds.length} 个教学任务创建 ${projectForm.teachingTaskIds.length * payload.projectCount} 个自选实验项目`)
     }
     projectDialog.value = false
     await load()
@@ -1117,9 +1123,8 @@ onMounted(async () => {
                     :key="task.id"
                     :value="task.id"
                     :disabled="projectForm.arrangementMode === 'SelfScheduled'
-                      && (task.schedulingMode !== 'Flexible'
+                      && !!selectedTask && (task.academicTermId !== selectedTask.academicTermId
-                        || (!!selectedTask && (task.academicTermId !== selectedTask.academicTermId
+                        || task.courseId !== selectedTask.courseId)"
-                          || task.courseId !== selectedTask.courseId)))"
                   >
                     <b>{{ task.taskNumber }}</b>
                     <span>{{ task.classNames.join('、') || task.name }}</span>
@@ -1130,7 +1135,7 @@ onMounted(async () => {
             </el-checkbox-group>
             <small v-if="!editingProjectId" class="form-help">
               <template v-if="projectForm.arrangementMode === 'Centralized'">已选 {{ projectForm.teachingTaskIds.length }} 个教学班；系统会为每个教学班的全部已发布实验课生成项目。</template>
-              <template v-else>自行安排仅可选择“非排时课程”的教学任务；只能勾选同一学期、同一课程，实验编码、名称、内容和开放日期将一次应用到这些教学任务。</template>
+              <template v-else>自行安排不写入课表；只能勾选同一学期、同一课程。每个项目都可另行设置多个可预约场次。</template>
             </small>
           </el-form-item>
           <div class="form-grid two">
@@ -1151,6 +1156,10 @@ onMounted(async () => {
             <el-form-item v-if="projectForm.nameMode === 'Sequence'" label="项目名称前缀" required>
               <el-input v-model="projectForm.name" maxlength="116" placeholder="如 数据库实验；将生成“数据库实验 01、数据库实验 02”" />
             </el-form-item>
+            <el-form-item v-if="projectForm.arrangementMode === 'SelfScheduled' && projectForm.nameMode === 'Sequence'" label="生成项目数" required>
+              <el-input-number v-model="projectForm.projectCount" :min="1" :max="100" />
+              <small class="form-help">同一门课程会生成 {{ projectForm.projectCount }} 个自选项目；编码和名称均自动追加顺序号。</small>
+            </el-form-item>
             <el-form-item v-else label="实验项目名称" required>
               <el-input
                 v-model="projectForm.projectNames"
@@ -1159,7 +1168,7 @@ onMounted(async () => {
                 maxlength="120000"
                 placeholder="每行一个名称，可直接从 Excel 粘贴；系统按实际生成顺序逐行对应"
               />
-              <small class="form-help">已输入 {{ projectNameLines(projectForm.projectNames).length }} 行有效名称。</small>
+              <small class="form-help">已输入 {{ projectNameLines(projectForm.projectNames).length }} 行有效名称；同一门课程将按这些名称生成多个自选项目。</small>
             </el-form-item>
           </template>
         </div>
@@ -1295,10 +1304,10 @@ onMounted(async () => {
             <el-input-number v-model="sessionForm.capacity" :min="1" :max="10000" />
           </el-form-item>
         </div>
-        <el-form-item label="实验室" required>
+        <el-form-item label="实验场地" required>
-          <el-select v-model="sessionForm.classroomId" filterable placeholder="选择实验室或教学场所">
+          <el-select v-model="sessionForm.classroomId" filterable placeholder="选择教学场地">
             <el-option
-              v-for="room in options.classrooms.filter((item: any) => (Number(item.teachingVenueNature) & (2 | 4 | 8 | 16)) !== 0)"
+              v-for="room in experimentClassrooms"
               :key="room.id"
               :label="`${room.campusName} · ${room.buildingName} ${room.name} · ${room.capacity} 人`"
               :value="room.id"
@@ -1388,9 +1397,9 @@ onMounted(async () => {
               />
             </el-select>
             <el-input-number v-model="row.periodCount" :min="1" :max="12" controls-position="right" />
-            <el-select v-model="row.classroomId" filterable placeholder="实验室">
+            <el-select v-model="row.classroomId" filterable placeholder="实验场地">
               <el-option
-                v-for="room in options.classrooms.filter((item: any) => (Number(item.teachingVenueNature) & (2 | 4 | 8 | 16)) !== 0)"
+                v-for="room in experimentClassrooms"
                 :key="room.id"
                 :label="`${room.campusName} · ${room.buildingName} ${room.name} · ${room.capacity} 人`"
                 :value="room.id"