feat: align with upstream 1.5.9.9

server/api/admin/grade-class/by-grade.delete.ts

@@ -0,0 +1,25 @@
+import { defineEventHandler, getQuery } from 'h3'
+import { db } from '~/drizzle/db'
+import { gradeClass } from '~/drizzle/schema'
+import { eq } from 'drizzle-orm'
+import { createApiError } from '~~/server/utils/apiError'
+import { SERVER_ERROR_CODES } from '~~/server/config/constants'
+
+export default defineEventHandler(async (event) => {
+  // 检查认证和权限
+  const user = event.context.user
+  if (!user || !['ADMIN', 'SUPER_ADMIN'].includes(user.role)) {
+    throw createApiError(403, SERVER_ERROR_CODES.COMMON_INSUFFICIENT_PERMISSION, '没有权限访问')
+  }
+
+  const grade = typeof getQuery(event).grade === 'string' ? getQuery(event).grade.trim() : ''
+  if (!grade) {
+    throw createApiError(400, SERVER_ERROR_CODES.COMMON_INVALID_PARAMS, '年级不能为空')
+  }
+
+  await db.delete(gradeClass).where(eq(gradeClass.grade, grade))
+
+  return {
+    success: true
+  }
+})