教学大屏

src/Jiaowu.Api/Controllers/TimetableManagementController.cs

@@ -242,6 +242,24 @@ public sealed class TimetableManagementController(
         return File(TimetablePdfExporter.Create(timetables), "application/pdf", fileName);
     }
 
+    [HttpPost("display-links/export.xlsx")]
+    public async Task<ActionResult> ExportDisplayLinks(VenueDisplayLinkExportRequest request, CancellationToken cancellationToken)
+    {
+        var classroomIds = request.ClassroomIds.Distinct().Take(200).ToArray();
+        var buildingIds = request.BuildingIds.Distinct().Take(100).ToArray();
+        if (classroomIds.Length + buildingIds.Length == 0)
+            return ValidationProblem("请至少选择一个教室或教学楼。", statusCode: StatusCodes.Status400BadRequest);
+        var classrooms = await db.Classrooms.AsNoTracking().WhereIn(classroomIds, x => x.Id)
+            .OrderBy(x => x.Building!.Name).ThenBy(x => x.Code)
+            .Select(x => new object?[] { "教室当天课程", x.Building!.Name + " · " + x.Name, "/venue-display/classroom/" + x.Id })
+            .ToListAsync(cancellationToken);
+        var buildings = await db.Buildings.AsNoTracking().WhereIn(buildingIds, x => x.Id).OrderBy(x => x.Name)
+            .Select(x => new object?[] { "教学楼空余教室", x.Name, "/venue-display/building/" + x.Id })
+            .ToListAsync(cancellationToken);
+        var bytes = ExcelWorkbookHelper.Create("展牌链接", ["展牌类型", "场地", "相对链接"], classrooms.Concat(buildings).ToList());
+        return File(bytes, ExcelWorkbookHelper.ContentType, "场地信息展牌链接.xlsx");
+    }
+
     private async Task<(TimetableData? Result, ActionResult? Error)> LoadAuthorizedAsync(
         TimetableResourceType resourceType,
         Guid resourceId,
@@ -290,6 +308,8 @@ public sealed record TimetableBatchExportRequest(
     Guid AcademicTermId,
     Guid? SchedulePlanId);
 
+public sealed record VenueDisplayLinkExportRequest(IReadOnlyCollection<Guid> ClassroomIds, IReadOnlyCollection<Guid> BuildingIds);
+
 [ApiController]
 [Route("api/timetables")]
 public sealed class FreeClassroomsController(