修复实验排课

tests/Jiaowu.Api.Tests/ExperimentsControllerTests.cs

@@ -138,6 +138,47 @@ public sealed class ExperimentsControllerTests
         Assert.Empty(fixture.Db.ExperimentBookings);
     }
 
+    [Fact]
+    public async Task CentralizedSession_RejectsRelatedPublishedTimetableConflict()
+    {
+        await using var fixture = await ExperimentFixture.CreateAsync();
+        var manager = fixture.Controller(fixture.ManagerScope);
+        await manager.CreateProject(
+            fixture.ProjectRequest(ExperimentArrangementMode.Centralized),
+            CancellationToken.None);
+        var project = await fixture.Db.ExperimentProjects.SingleAsync();
+        fixture.Db.SchedulePlans.Add(new SchedulePlan
+        {
+            AcademicTermId = fixture.Term.Id,
+            Name = "正式课表",
+            Version = "V1",
+            Status = SchedulePlanStatus.Published,
+            Entries =
+            [
+                new ScheduleEntry
+                {
+                    TeachingTaskId = fixture.Task.Id,
+                    ClassroomId = fixture.SecondClassroom.Id,
+                    DayOfWeek = 1,
+                    StartPeriod = 1,
+                    PeriodCount = 2,
+                    StartWeek = 1,
+                    EndWeek = 18,
+                    WeekPattern = WeekPattern.All
+                }
+            ]
+        });
+        await fixture.Db.SaveChangesAsync();
+
+        var result = await manager.CreateSession(
+            project.Id,
+            fixture.SessionRequest(1, 2),
+            CancellationToken.None);
+
+        Assert.IsType<ConflictObjectResult>(result);
+        Assert.Empty(fixture.Db.ExperimentSessions);
+    }
+
     [Fact]
     public async Task StudentTimetable_IncludesCentralizedAndBookedSelfScheduledSessions()
     {

tests/Jiaowu.Api.Tests/MySqlMigrationTests.cs

@@ -1,5 +1,6 @@
-using Jiaowu.Api.Infrastructure.Persistence;
+using Jiaowu.Api.Infrastructure.Experiments;
 using Jiaowu.Api.Infrastructure.Exams;
+using Jiaowu.Api.Infrastructure.Persistence;
 using Jiaowu.Api.Infrastructure.Teaching;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
@@ -176,6 +177,64 @@ public sealed class MySqlMigrationTests
             StringComparison.OrdinalIgnoreCase);
     }
 
+    [Fact]
+    public void MySql_centralized_experiment_conflict_queries_are_translatable()
+    {
+        using var db = new AppDbContext(CreateMySqlOptions());
+        var firstId =
+            Guid.Parse("11111111-1111-1111-1111-111111111111");
+        var secondId =
+            Guid.Parse("22222222-2222-2222-2222-222222222222");
+        Guid[] relatedIds = [firstId, secondId];
+
+        var teacherTaskSql = CentralizedExperimentConflictQuery
+            .TaskIdsForTeachers(db, relatedIds)
+            .ToQueryString();
+        var classTaskSql = CentralizedExperimentConflictQuery
+            .TaskIdsForClasses(db, relatedIds)
+            .ToQueryString();
+        var scheduleSql = CentralizedExperimentConflictQuery
+            .ScheduleEntries(
+                db,
+                relatedIds,
+                firstId,
+                1,
+                2,
+                1,
+                2)
+            .ToQueryString();
+        var experimentSql = CentralizedExperimentConflictQuery
+            .ExperimentSessions(
+                db,
+                relatedIds,
+                new DateOnly(2026, 8, 1),
+                1,
+                2)
+            .ToQueryString();
+
+        Assert.Contains(
+            "TeachingTaskTeachers",
+            teacherTaskSql,
+            StringComparison.OrdinalIgnoreCase);
+        Assert.Contains(
+            "TeachingTaskClasses",
+            classTaskSql,
+            StringComparison.OrdinalIgnoreCase);
+        Assert.Contains(
+            "ScheduleEntries",
+            scheduleSql,
+            StringComparison.OrdinalIgnoreCase);
+        Assert.Contains(
+            "ExperimentSessions",
+            experimentSql,
+            StringComparison.OrdinalIgnoreCase);
+        Assert.Contains(" IN (", scheduleSql, StringComparison.OrdinalIgnoreCase);
+        Assert.Contains(
+            " IN (",
+            experimentSql,
+            StringComparison.OrdinalIgnoreCase);
+    }
+
     [Fact]
     public void MySql_index_names_fit_the_server_identifier_limit()
     {