50 lines
1.9 KiB
TypeScript
50 lines
1.9 KiB
TypeScript
import { and, isNotNull, eq, ne, sql } from 'drizzle-orm'
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import { db } from '~/drizzle/db'
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import { users, gradeClass } from '~/drizzle/schema'
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import { resolveGradeClassOptions, type GradeClassOption } from './grade-class-core'
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// 年级班级选项：优先读管理员配置表，未配置时从 active 用户中提取（注册表单与 OAuth 注册共用）
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export async function fetchGradeClassOptions(): Promise<GradeClassOption[]> {
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const [configRows, userRows] = await Promise.all([
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db.select({
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grade: gradeClass.grade,
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class: gradeClass.class
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}).from(gradeClass),
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db
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.selectDistinct({
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grade: users.grade,
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class: users.class
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})
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.from(users)
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.where(and(eq(users.status, 'active'), isNotNull(users.grade), isNotNull(users.class)))
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])
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return resolveGradeClassOptions(configRows, userRows)
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}
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// 组合合法性校验：与选项数据源严格一致——配置非空时仅接受配置组合；
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// 配置为空时才回退到现有 active 用户组合
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export async function isGradeClassValid(grade: string, studentClass: string): Promise<boolean> {
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const configHit = await db.query.gradeClass.findFirst({
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where: (t, { eq: eq_, and: and_ }) => and_(eq_(t.grade, grade), eq_(t.class, studentClass)),
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columns: { id: true }
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})
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if (configHit) return true
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// 配置表存在有效行时不再接受用户存量组合（与注册表单选项一致，防绕过配置优先）
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const configCount = await db
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.select({ count: () => sql<number>`count(*)::int` })
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.from(gradeClass)
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.where(and(ne(gradeClass.grade, ''), ne(gradeClass.class, '')))
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if ((configCount[0]?.count || 0) > 0) return false
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const userHit = await db.query.users.findFirst({
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where: (t, { eq: eq_, and: and_ }) =>
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and_(eq_(t.status, 'active'), eq_(t.grade, grade), eq_(t.class, studentClass)),
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columns: { id: true }
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})
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return Boolean(userHit)
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}
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