feat: integrate notification creation into business modules (classes, schedules done; bills/occupancies/deposits need student→userId mapping)

apps/server/src/schedules/schedules.controller.ts

@@ -20,6 +20,9 @@ import {
 import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
 import { OperationLogsService } from '../operation-logs/operation-logs.service';
 import { extractRequestInfo } from '../common/request-utils';
+import { ConflictException } from '@nestjs/common';
+import { NotificationsService } from '../notifications/notifications.service';
+import { NotificationType } from '../entities/notification.entity';
 import { RequirePermission } from '../auth/decorators/permission.decorator';
 
 @UseGuards(JwtAuthGuard)
@@ -28,6 +31,7 @@ export class SchedulesController {
   constructor(
     private readonly service: SchedulesService,
     private readonly logService: OperationLogsService,
+    private readonly notificationsService: NotificationsService,
   ) {}
 
   @Get()
@@ -61,19 +65,39 @@ export class SchedulesController {
   @RequirePermission('schedule:create')
   async create(@Body() dto: CreateScheduleDto, @Request() req: { user?: { id: number; username: string }; headers?: Record<string, string> }) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
-    const result = await this.service.create(dto);
-    await this.logService.log({
-      userId: req.user?.id,
-      username: req.user?.username,
-      module: '排课管理',
-      action: '创建排课',
-      targetId: result.id,
-      targetType: 'class-schedule',
-      detail: `${result.subject} 周${result.weekDay} ${result.startTime}-${result.endTime}`,
-      ipAddress,
-      userAgent,
-    });
-    return result;
+    try {
+      const result = await this.service.create(dto);
+      await this.logService.log({
+        userId: req.user?.id,
+        username: req.user?.username,
+        module: '排课管理',
+        action: '创建排课',
+        targetId: result.id,
+        targetType: 'class-schedule',
+        detail: `${result.subject} 周${result.weekDay} ${result.startTime}-${result.endTime}`,
+        ipAddress,
+        userAgent,
+      });
+      return result;
+    } catch (error) {
+      if (error instanceof ConflictException) {
+        try {
+          const conflicts = await this.service.checkConflict(
+            dto.classroomId, dto.weekDay, dto.startTime, dto.endTime, dto.startDate, dto.endDate,
+          );
+          const teacherIds = [...new Set(conflicts.map(c => c.teacherId).filter(Boolean))];
+          if (teacherIds.length > 0) {
+            void this.notificationsService.create({
+              recipientIds: teacherIds,
+              type: NotificationType.SCHEDULE_CONFLICT,
+              title: '排课冲突',
+              content: `教室${dto.classroomId} 周${dto.weekDay} ${dto.startTime}-${dto.endTime} 与已有排课冲突`,
+            });
+          }
+        } catch {}
+      }
+      throw error;
+    }
   }
 
   @Put(':id')
@@ -84,19 +108,39 @@ export class SchedulesController {
     @Request() req: { user?: { id: number; username: string }; headers?: Record<string, string> },
   ) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
-    const result = await this.service.update(+id, dto);
-    await this.logService.log({
-      userId: req.user?.id,
-      username: req.user?.username,
-      module: '排课管理',
-      action: '编辑排课',
-      targetId: +id,
-      targetType: 'class-schedule',
-      detail: JSON.stringify(dto),
-      ipAddress,
-      userAgent,
-    });
-    return result;
+    try {
+      const result = await this.service.update(+id, dto);
+      await this.logService.log({
+        userId: req.user?.id,
+        username: req.user?.username,
+        module: '排课管理',
+        action: '编辑排课',
+        targetId: +id,
+        targetType: 'class-schedule',
+        detail: JSON.stringify(dto),
+        ipAddress,
+        userAgent,
+      });
+      return result;
+    } catch (error) {
+      if (error instanceof ConflictException) {
+        try {
+          const conflicts = await this.service.checkConflict(
+            dto.classroomId ?? 0, dto.weekDay ?? 0, dto.startTime ?? '', dto.endTime ?? '', dto.startDate ?? '', dto.endDate ?? '',
+          );
+          const teacherIds = [...new Set(conflicts.map(c => c.teacherId).filter(Boolean))];
+          if (teacherIds.length > 0) {
+            void this.notificationsService.create({
+              recipientIds: teacherIds,
+              type: NotificationType.SCHEDULE_CONFLICT,
+              title: '排课冲突',
+              content: `教室${dto.classroomId} 周${dto.weekDay} ${dto.startTime}-${dto.endTime} (更新) 与已有排课冲突`,
+            });
+          }
+        } catch {}
+      }
+      throw error;
+    }
   }
 
   @Delete(':id')