初次提交

server/api/admin/semesters/index.post.ts

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+import { db } from '~/drizzle/db'
+import { semesters } from '~/drizzle/schema'
+import { eq } from 'drizzle-orm'
+
+export default defineEventHandler(async (event) => {
+  // 检查用户认证和权限
+  const user = event.context.user
+
+  if (!user) {
+    throw createError({
+      statusCode: 401,
+      message: '需要登录才能访问'
+    })
+  }
+
+  if (!['ADMIN', 'SUPER_ADMIN', 'SONG_ADMIN'].includes(user.role)) {
+    throw createError({
+      statusCode: 403,
+      message: '只有管理员才能管理学期'
+    })
+  }
+
+  const body = await readBody(event)
+
+  if (!body.name) {
+    throw createError({
+      statusCode: 400,
+      message: '学期名称不能为空'
+    })
+  }
+
+  // 检查学期名称是否已存在
+  const existingSemesterResult = await db
+    .select()
+    .from(semesters)
+    .where(eq(semesters.name, body.name))
+    .limit(1)
+  const existingSemester = existingSemesterResult[0]
+
+  if (existingSemester) {
+    throw createError({
+      statusCode: 400,
+      message: '该学期名称已存在'
+    })
+  }
+
+  // 检查是否是第一个学期，如果是，强制设为活跃
+  const allSemestersCount = await db.select({ id: semesters.id }).from(semesters).limit(1)
+  let shouldBeActive = body.isActive
+
+  if (allSemestersCount.length === 0) {
+    shouldBeActive = true
+  }
+
+  // 如果设置为活跃学期，先将其他学期设为非活跃
+  if (shouldBeActive) {
+    await db.update(semesters).set({ isActive: false }).where(eq(semesters.isActive, true))
+  }
+
+  // 创建新学期
+  const semesterResult = await db
+    .insert(semesters)
+    .values({
+      name: body.name,
+      isActive: shouldBeActive || false
+    })
+    .returning()
+  const semester = semesterResult[0]
+
+  return semester
+})