dfffb61e94
homework: - Add data-access-scans, data-access-student, data-access-utils, data-access-exam-cross - Add excellent-submissions, homework-take-confirm-dialog, homework-take-sidebar components classes: - Add class-delete-dialog, class-error-boundary, class-form-dialog, class-form-utils - Add class-list-table, class-list-toolbar, class-skeleton - Add schedule-create-dialog, schedule-delete-dialog, schedule-edit-dialog, schedule-utils - Add data-access-teacher and hooks directory course-plans: - Add course-plan-calendar, sortable-week-row, template-picker-dialog components - Add lib directory
715 lines
26 KiB
TypeScript
715 lines
26 KiB
TypeScript
import "server-only"
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import { cache } from "react"
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import { and, asc, count, desc, eq, gt, inArray, lt, sql } from "drizzle-orm"
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import { db } from "@/shared/db"
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import {
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homeworkAnswers,
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homeworkAssignmentQuestions,
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homeworkAssignmentTargets,
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homeworkAssignments,
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homeworkSubmissions,
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} from "@/shared/db/schema"
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import { isRecord } from "@/shared/lib/type-guards"
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import { getStudentIdsByClassId, getStudentIdsByClassIds } from "@/modules/classes/data-access"
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import { getExamIdsByGradeIds } from "@/modules/exams/data-access"
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import type {
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HomeworkAssignmentListItem,
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HomeworkAssignmentReviewListItem,
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HomeworkQuestionContent,
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HomeworkAssignmentStatus,
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HomeworkSubmissionDetails,
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HomeworkSubmissionListItem,
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HomeworkSubmissionStatus,
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ExcellentSubmissionItem,
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} from "./types"
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import type { DataScope } from "@/shared/types/permissions"
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const isHomeworkAssignmentStatus = (v: unknown): v is HomeworkAssignmentStatus =>
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v === "draft" || v === "published" || v === "archived"
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const toHomeworkAssignmentStatus = (v: string | null | undefined): HomeworkAssignmentStatus =>
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isHomeworkAssignmentStatus(v) ? v : "draft"
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const isHomeworkSubmissionStatus = (v: unknown): v is HomeworkSubmissionStatus =>
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v === "started" || v === "submitted" || v === "graded"
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export const toHomeworkSubmissionStatus = (v: string | null | undefined): HomeworkSubmissionStatus =>
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isHomeworkSubmissionStatus(v) ? v : "started"
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const isHomeworkQuestionContent = (v: unknown): v is HomeworkQuestionContent =>
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isRecord(v)
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export const toQuestionContent = (v: unknown): HomeworkQuestionContent | null => {
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if (!isHomeworkQuestionContent(v)) return null
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return v
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}
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export const getAssignmentMaxScoreById = async (assignmentIds: string[]): Promise<Map<string, number>> => {
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const ids = assignmentIds.filter((v) => v.trim().length > 0)
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if (ids.length === 0) return new Map()
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const rows = await db
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.select({
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assignmentId: homeworkAssignmentQuestions.assignmentId,
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maxScore: sql<number>`COALESCE(SUM(${homeworkAssignmentQuestions.score}), 0)`,
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})
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.from(homeworkAssignmentQuestions)
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.where(inArray(homeworkAssignmentQuestions.assignmentId, ids))
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.groupBy(homeworkAssignmentQuestions.assignmentId)
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const map = new Map<string, number>()
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for (const r of rows) map.set(r.assignmentId, Number(r.maxScore ?? 0))
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return map
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}
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export const getHomeworkAssignments = cache(async (params?: { creatorId?: string; ids?: string[]; classId?: string; scope?: DataScope }) => {
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const conditions = []
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if (params?.creatorId) conditions.push(eq(homeworkAssignments.creatorId, params.creatorId))
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if (params?.ids && params.ids.length > 0) conditions.push(inArray(homeworkAssignments.id, params.ids))
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if (params?.classId) {
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const classStudentIds = await getStudentIdsByClassId(params.classId)
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const targetAssignmentIds = await db
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.selectDistinct({ assignmentId: homeworkAssignmentTargets.assignmentId })
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.from(homeworkAssignmentTargets)
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.where(inArray(homeworkAssignmentTargets.studentId, classStudentIds))
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conditions.push(inArray(homeworkAssignments.id, targetAssignmentIds.map((t) => t.assignmentId)))
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}
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// Data scope filtering
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if (params?.scope) {
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if (params.scope.type === "owned") {
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conditions.push(eq(homeworkAssignments.creatorId, params.scope.userId))
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}
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if (params.scope.type === "class_taught" && params.scope.classIds.length > 0) {
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// Filter homework by assignments targeting students in teacher's classes
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const classStudentIds = await getStudentIdsByClassIds(params.scope.classIds)
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const targetAssignmentIds = await db
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.selectDistinct({ assignmentId: homeworkAssignmentTargets.assignmentId })
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.from(homeworkAssignmentTargets)
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.where(inArray(homeworkAssignmentTargets.studentId, classStudentIds))
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conditions.push(inArray(homeworkAssignments.id, targetAssignmentIds.map((t) => t.assignmentId)))
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}
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if (params.scope.type === "grade_managed" && params.scope.gradeIds.length > 0) {
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// Homework links to exam via sourceExamId, exam has gradeId
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const gradeExamIds = await getExamIdsByGradeIds(params.scope.gradeIds)
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conditions.push(inArray(homeworkAssignments.sourceExamId, gradeExamIds))
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}
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// "all" type: no filtering
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}
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const data = await db.query.homeworkAssignments.findMany({
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where: conditions.length ? and(...conditions) : undefined,
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orderBy: [desc(homeworkAssignments.createdAt)],
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with: {
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sourceExam: true,
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},
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})
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if (data.length === 0) return []
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const assignmentIds = data.map((a) => a.id)
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const now = new Date()
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// 并行查询：目标学生数 / 已提交数 / 已批改数 / 已批改平均分 / 逾期未提交学生集合
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const [targetCountRows, submittedCountRows, gradedCountRows, avgScoreRows, submittedStudentRows] = await Promise.all([
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db
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.select({
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assignmentId: homeworkAssignmentTargets.assignmentId,
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targetCount: sql<number>`COUNT(*)`,
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})
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.from(homeworkAssignmentTargets)
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.where(inArray(homeworkAssignmentTargets.assignmentId, assignmentIds))
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.groupBy(homeworkAssignmentTargets.assignmentId),
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db
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.select({
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assignmentId: homeworkSubmissions.assignmentId,
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submittedCount: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})`,
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})
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.from(homeworkSubmissions)
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.where(
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and(
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inArray(homeworkSubmissions.assignmentId, assignmentIds),
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inArray(homeworkSubmissions.status, ["submitted", "graded"])
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)
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)
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.groupBy(homeworkSubmissions.assignmentId),
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db
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.select({
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assignmentId: homeworkSubmissions.assignmentId,
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gradedCount: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})`,
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})
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.from(homeworkSubmissions)
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.where(and(inArray(homeworkSubmissions.assignmentId, assignmentIds), eq(homeworkSubmissions.status, "graded")))
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.groupBy(homeworkSubmissions.assignmentId),
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db
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.select({
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assignmentId: homeworkSubmissions.assignmentId,
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avgScore: sql<number>`AVG(${homeworkSubmissions.score})`,
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})
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.from(homeworkSubmissions)
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.where(
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and(
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inArray(homeworkSubmissions.assignmentId, assignmentIds),
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eq(homeworkSubmissions.status, "graded")
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)
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)
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.groupBy(homeworkSubmissions.assignmentId),
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db
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.select({
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assignmentId: homeworkSubmissions.assignmentId,
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studentId: homeworkSubmissions.studentId,
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})
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.from(homeworkSubmissions)
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.where(
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and(
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inArray(homeworkSubmissions.assignmentId, assignmentIds),
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inArray(homeworkSubmissions.status, ["submitted", "graded"])
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)
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),
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])
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const targetCountByAssignmentId = new Map<string, number>()
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for (const r of targetCountRows) targetCountByAssignmentId.set(r.assignmentId, Number(r.targetCount ?? 0))
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const submittedCountByAssignmentId = new Map<string, number>()
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for (const r of submittedCountRows) submittedCountByAssignmentId.set(r.assignmentId, Number(r.submittedCount ?? 0))
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const gradedCountByAssignmentId = new Map<string, number>()
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for (const r of gradedCountRows) gradedCountByAssignmentId.set(r.assignmentId, Number(r.gradedCount ?? 0))
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const avgScoreByAssignmentId = new Map<string, number | null>()
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for (const r of avgScoreRows) {
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const v = r.avgScore
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avgScoreByAssignmentId.set(r.assignmentId, v === null ? null : Number(v))
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}
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// 已提交学生集合（按 assignmentId 分组），用于计算逾期未提交人数
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const submittedStudentIdsByAssignmentId = new Map<string, Set<string>>()
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for (const r of submittedStudentRows) {
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let set = submittedStudentIdsByAssignmentId.get(r.assignmentId)
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if (!set) {
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set = new Set<string>()
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submittedStudentIdsByAssignmentId.set(r.assignmentId, set)
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}
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set.add(r.studentId)
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}
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// 逾期未提交人数 = 目标学生数 - 已提交学生数（仅当 dueAt 已过时计算）
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const computeOverdueCount = (assignmentId: string, dueAt: Date | null): number => {
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if (!dueAt || dueAt > now) return 0
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const targetCount = targetCountByAssignmentId.get(assignmentId) ?? 0
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const submittedCount = submittedStudentIdsByAssignmentId.get(assignmentId)?.size ?? 0
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return Math.max(0, targetCount - submittedCount)
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}
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return data.map((a) => {
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const targetCount = targetCountByAssignmentId.get(a.id) ?? 0
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const submittedCount = submittedCountByAssignmentId.get(a.id) ?? 0
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const gradedCount = gradedCountByAssignmentId.get(a.id) ?? 0
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const averageScore = avgScoreByAssignmentId.get(a.id) ?? null
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const overdueCount = computeOverdueCount(a.id, a.dueAt)
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const item: HomeworkAssignmentListItem = {
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id: a.id,
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sourceExamId: a.sourceExamId,
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sourceExamTitle: a.sourceExam?.title ?? null,
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title: a.title,
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status: toHomeworkAssignmentStatus(a.status),
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availableAt: a.availableAt ? a.availableAt.toISOString() : null,
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dueAt: a.dueAt ? a.dueAt.toISOString() : null,
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allowLate: a.allowLate,
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lateDueAt: a.lateDueAt ? a.lateDueAt.toISOString() : null,
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maxAttempts: a.maxAttempts,
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createdAt: a.createdAt.toISOString(),
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updatedAt: a.updatedAt.toISOString(),
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targetCount,
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submittedCount,
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gradedCount,
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averageScore,
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overdueCount,
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}
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return item
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})
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})
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export const getHomeworkAssignmentReviewList = cache(async (params: { creatorId: string; scope?: DataScope }) => {
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const creatorId = params.creatorId.trim()
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if (!creatorId) return []
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const conditions = [eq(homeworkAssignments.creatorId, creatorId)]
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// Data scope filtering
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if (params.scope) {
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if (params.scope.type === "owned") {
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// Already filtered by creatorId above
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}
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if (params.scope.type === "class_taught" && params.scope.classIds.length > 0) {
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const classStudentIds = await getStudentIdsByClassIds(params.scope.classIds)
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const targetAssignmentIds = await db
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.selectDistinct({ assignmentId: homeworkAssignmentTargets.assignmentId })
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.from(homeworkAssignmentTargets)
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.where(inArray(homeworkAssignmentTargets.studentId, classStudentIds))
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conditions.push(inArray(homeworkAssignments.id, targetAssignmentIds.map((t) => t.assignmentId)))
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}
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if (params.scope.type === "grade_managed" && params.scope.gradeIds.length > 0) {
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const gradeExamIds = await getExamIdsByGradeIds(params.scope.gradeIds)
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conditions.push(inArray(homeworkAssignments.sourceExamId, gradeExamIds))
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}
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}
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const assignments = await db.query.homeworkAssignments.findMany({
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where: and(...conditions),
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orderBy: [desc(homeworkAssignments.createdAt)],
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with: { sourceExam: true },
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})
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if (assignments.length === 0) return []
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const assignmentIds = assignments.map((a) => a.id)
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const [targetCountRows, submittedCountRows, gradedCountRows] = await Promise.all([
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db
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.select({
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assignmentId: homeworkAssignmentTargets.assignmentId,
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targetCount: sql<number>`COUNT(*)`,
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})
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.from(homeworkAssignmentTargets)
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.where(inArray(homeworkAssignmentTargets.assignmentId, assignmentIds))
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.groupBy(homeworkAssignmentTargets.assignmentId),
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db
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.select({
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assignmentId: homeworkSubmissions.assignmentId,
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submittedCount: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})`,
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})
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.from(homeworkSubmissions)
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.where(
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and(
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inArray(homeworkSubmissions.assignmentId, assignmentIds),
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inArray(homeworkSubmissions.status, ["submitted", "graded"])
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)
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)
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.groupBy(homeworkSubmissions.assignmentId),
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db
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.select({
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assignmentId: homeworkSubmissions.assignmentId,
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gradedCount: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})`,
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})
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.from(homeworkSubmissions)
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.where(and(inArray(homeworkSubmissions.assignmentId, assignmentIds), eq(homeworkSubmissions.status, "graded")))
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.groupBy(homeworkSubmissions.assignmentId),
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])
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const targetCountByAssignmentId = new Map<string, number>()
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for (const r of targetCountRows) targetCountByAssignmentId.set(r.assignmentId, Number(r.targetCount ?? 0))
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const submittedCountByAssignmentId = new Map<string, number>()
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for (const r of submittedCountRows) submittedCountByAssignmentId.set(r.assignmentId, Number(r.submittedCount ?? 0))
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const gradedCountByAssignmentId = new Map<string, number>()
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for (const r of gradedCountRows) gradedCountByAssignmentId.set(r.assignmentId, Number(r.gradedCount ?? 0))
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return assignments.map((a) => {
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const item: HomeworkAssignmentReviewListItem = {
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id: a.id,
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title: a.title,
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status: toHomeworkAssignmentStatus(a.status),
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sourceExamTitle: a.sourceExam?.title ?? null,
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dueAt: a.dueAt ? a.dueAt.toISOString() : null,
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targetCount: targetCountByAssignmentId.get(a.id) ?? 0,
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submittedCount: submittedCountByAssignmentId.get(a.id) ?? 0,
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gradedCount: gradedCountByAssignmentId.get(a.id) ?? 0,
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createdAt: a.createdAt.toISOString(),
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}
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return item
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})
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})
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export const getHomeworkSubmissions = cache(async (params?: { assignmentId?: string; classId?: string; creatorId?: string; scope?: DataScope }) => {
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const conditions = []
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if (params?.assignmentId) conditions.push(eq(homeworkSubmissions.assignmentId, params.assignmentId))
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if (params?.classId) {
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const classStudentIds = await getStudentIdsByClassId(params.classId)
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const targetAssignmentIds = await db
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.selectDistinct({ assignmentId: homeworkAssignmentTargets.assignmentId })
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.from(homeworkAssignmentTargets)
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.where(inArray(homeworkAssignmentTargets.studentId, classStudentIds))
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conditions.push(inArray(homeworkSubmissions.studentId, classStudentIds))
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conditions.push(inArray(homeworkSubmissions.assignmentId, targetAssignmentIds.map((t) => t.assignmentId)))
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}
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if (params?.creatorId) {
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const creatorAssignmentIds = db
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.select({ assignmentId: homeworkAssignments.id })
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.from(homeworkAssignments)
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.where(eq(homeworkAssignments.creatorId, params.creatorId))
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conditions.push(inArray(homeworkSubmissions.assignmentId, creatorAssignmentIds))
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}
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// Data scope filtering
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if (params?.scope) {
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if (params.scope.type === "owned") {
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const creatorAssignmentIds = db
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.select({ assignmentId: homeworkAssignments.id })
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.from(homeworkAssignments)
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.where(eq(homeworkAssignments.creatorId, params.scope.userId))
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conditions.push(inArray(homeworkSubmissions.assignmentId, creatorAssignmentIds))
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}
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if (params.scope.type === "class_taught" && params.scope.classIds.length > 0) {
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const classStudentIds = await getStudentIdsByClassIds(params.scope.classIds)
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conditions.push(inArray(homeworkSubmissions.studentId, classStudentIds))
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}
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if (params.scope.type === "grade_managed" && params.scope.gradeIds.length > 0) {
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const gradeExamIds = await getExamIdsByGradeIds(params.scope.gradeIds)
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const gradeAssignmentIds = db
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.select({ assignmentId: homeworkAssignments.id })
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.from(homeworkAssignments)
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.where(inArray(homeworkAssignments.sourceExamId, gradeExamIds))
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conditions.push(inArray(homeworkSubmissions.assignmentId, gradeAssignmentIds))
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}
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}
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const data = await db.query.homeworkSubmissions.findMany({
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where: conditions.length ? and(...conditions) : undefined,
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orderBy: [desc(homeworkSubmissions.updatedAt)],
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with: {
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assignment: true,
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student: true,
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},
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})
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return data.map((s) => {
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const item: HomeworkSubmissionListItem = {
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id: s.id,
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assignmentId: s.assignmentId,
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assignmentTitle: s.assignment.title,
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studentName: s.student.name || "Unknown",
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submittedAt: s.submittedAt ? s.submittedAt.toISOString() : null,
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score: s.score ?? null,
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status: toHomeworkSubmissionStatus(s.status),
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isLate: s.isLate,
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}
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return item
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})
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})
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export const getHomeworkAssignmentById = cache(async (id: string, scope?: DataScope) => {
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const assignment = await db.query.homeworkAssignments.findFirst({
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where: eq(homeworkAssignments.id, id),
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with: {
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sourceExam: true,
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},
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})
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if (!assignment) return null
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// Data scope verification for single-item fetch
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if (scope && scope.type !== "all") {
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if (scope.type === "owned" && assignment.creatorId !== scope.userId) {
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return null
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}
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if (scope.type === "grade_managed" && scope.gradeIds.length > 0) {
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// 快速作业（无 sourceExamId）不归年级主任管辖，直接拒绝
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if (!assignment.sourceExamId) return null
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const examIds = await getExamIdsByGradeIds(scope.gradeIds)
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if (!examIds.includes(assignment.sourceExamId)) {
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return null
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}
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}
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if (scope.type === "class_taught" && scope.classIds.length > 0) {
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const studentIds = await getStudentIdsByClassIds(scope.classIds)
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if (studentIds.length > 0) {
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const target = await db.query.homeworkAssignmentTargets.findFirst({
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where: and(
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eq(homeworkAssignmentTargets.assignmentId, id),
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inArray(homeworkAssignmentTargets.studentId, studentIds)
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),
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})
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if (!target) return null
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} else {
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return null
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}
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}
|
||
}
|
||
|
||
const [targetsRows, submissionsRows, submittedRows, gradedRows] = await Promise.all([
|
||
db
|
||
.select({ c: count() })
|
||
.from(homeworkAssignmentTargets)
|
||
.where(eq(homeworkAssignmentTargets.assignmentId, id)),
|
||
db
|
||
.select({ c: count() })
|
||
.from(homeworkSubmissions)
|
||
.where(eq(homeworkSubmissions.assignmentId, id)),
|
||
db
|
||
.select({ c: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})` })
|
||
.from(homeworkSubmissions)
|
||
.where(
|
||
and(eq(homeworkSubmissions.assignmentId, id), inArray(homeworkSubmissions.status, ["submitted", "graded"]))
|
||
),
|
||
db
|
||
.select({ c: sql<number>`COUNT(DISTINCT ${homeworkSubmissions.studentId})` })
|
||
.from(homeworkSubmissions)
|
||
.where(and(eq(homeworkSubmissions.assignmentId, id), eq(homeworkSubmissions.status, "graded"))),
|
||
])
|
||
|
||
return {
|
||
id: assignment.id,
|
||
title: assignment.title,
|
||
description: assignment.description,
|
||
status: toHomeworkAssignmentStatus(assignment.status),
|
||
sourceExamId: assignment.sourceExamId,
|
||
sourceExamTitle: assignment.sourceExam?.title ?? null,
|
||
structure: assignment.structure,
|
||
availableAt: assignment.availableAt ? assignment.availableAt.toISOString() : null,
|
||
dueAt: assignment.dueAt ? assignment.dueAt.toISOString() : null,
|
||
allowLate: assignment.allowLate,
|
||
lateDueAt: assignment.lateDueAt ? assignment.lateDueAt.toISOString() : null,
|
||
maxAttempts: assignment.maxAttempts,
|
||
targetCount: targetsRows[0]?.c ?? 0,
|
||
submissionCount: submissionsRows[0]?.c ?? 0,
|
||
submittedCount: submittedRows[0]?.c ?? 0,
|
||
gradedCount: gradedRows[0]?.c ?? 0,
|
||
createdAt: assignment.createdAt.toISOString(),
|
||
updatedAt: assignment.updatedAt.toISOString(),
|
||
}
|
||
})
|
||
|
||
export const getHomeworkSubmissionDetails = cache(async (submissionId: string): Promise<HomeworkSubmissionDetails | null> => {
|
||
const submission = await db.query.homeworkSubmissions.findFirst({
|
||
where: eq(homeworkSubmissions.id, submissionId),
|
||
with: {
|
||
student: true,
|
||
assignment: true,
|
||
},
|
||
})
|
||
|
||
if (!submission) return null
|
||
|
||
const [answers, assignmentQ] = await Promise.all([
|
||
db.query.homeworkAnswers.findMany({
|
||
where: eq(homeworkAnswers.submissionId, submissionId),
|
||
with: {
|
||
question: true,
|
||
},
|
||
}),
|
||
db.query.homeworkAssignmentQuestions.findMany({
|
||
where: eq(homeworkAssignmentQuestions.assignmentId, submission.assignmentId),
|
||
orderBy: [desc(homeworkAssignmentQuestions.order)],
|
||
}),
|
||
])
|
||
|
||
const answersWithDetails = answers
|
||
.map((ans) => {
|
||
const aqRel = assignmentQ.find((q) => q.questionId === ans.questionId)
|
||
return {
|
||
id: ans.id,
|
||
questionId: ans.questionId,
|
||
questionContent: toQuestionContent(ans.question.content),
|
||
questionType: ans.question.type,
|
||
maxScore: aqRel?.score || 0,
|
||
studentAnswer: ans.answerContent,
|
||
score: ans.score,
|
||
feedback: ans.feedback,
|
||
order: aqRel?.order || 0,
|
||
}
|
||
})
|
||
.sort((a, b) => a.order - b.order)
|
||
|
||
// P1-8: Optimize adjacent submission navigation using LIMIT 1 queries
|
||
// instead of fetching all submission IDs for the assignment.
|
||
// Original ordering is desc(updatedAt): "previous" = newer, "next" = older.
|
||
const currentUpdatedAt = submission.updatedAt
|
||
|
||
const [prevSubmission, nextSubmission] = await Promise.all([
|
||
// Previous (newer): closest submission with updatedAt > current
|
||
db.query.homeworkSubmissions.findFirst({
|
||
where: and(
|
||
eq(homeworkSubmissions.assignmentId, submission.assignmentId),
|
||
gt(homeworkSubmissions.updatedAt, currentUpdatedAt)
|
||
),
|
||
orderBy: [asc(homeworkSubmissions.updatedAt)],
|
||
columns: { id: true },
|
||
}),
|
||
// Next (older): closest submission with updatedAt < current
|
||
db.query.homeworkSubmissions.findFirst({
|
||
where: and(
|
||
eq(homeworkSubmissions.assignmentId, submission.assignmentId),
|
||
lt(homeworkSubmissions.updatedAt, currentUpdatedAt)
|
||
),
|
||
orderBy: [desc(homeworkSubmissions.updatedAt)],
|
||
columns: { id: true },
|
||
}),
|
||
])
|
||
|
||
const prevSubmissionId = prevSubmission?.id ?? null
|
||
const nextSubmissionId = nextSubmission?.id ?? null
|
||
|
||
return {
|
||
id: submission.id,
|
||
assignmentId: submission.assignmentId,
|
||
assignmentTitle: submission.assignment.title,
|
||
studentName: submission.student.name || "Unknown",
|
||
submittedAt: submission.submittedAt ? submission.submittedAt.toISOString() : null,
|
||
status: toHomeworkSubmissionStatus(submission.status),
|
||
totalScore: submission.score,
|
||
answers: answersWithDetails,
|
||
prevSubmissionId,
|
||
nextSubmissionId,
|
||
}
|
||
})
|
||
|
||
/**
|
||
* 查询某作业下的优秀提交（P3-1：优秀作业展示）。
|
||
*
|
||
* 评分规则：
|
||
* - 仅返回 `status = "graded"` 且 `score IS NOT NULL` 的提交。
|
||
* - 同一学生多次提交时，仅保留最高分（避免重复展示）。
|
||
* - 按得分百分比 `score / maxScore` 降序排列。
|
||
* - 过滤出百分比 ≥ `minPercentage`（默认 80）的提交。
|
||
*
|
||
* 权限说明：调用方必须在外层通过 `requirePermission()` 校验，
|
||
* 并通过 `scope` 参数传入数据范围（教师仅可见自己班级的学生提交）。
|
||
*/
|
||
export const getExcellentSubmissions = cache(async (params: {
|
||
assignmentId: string
|
||
minPercentage?: number
|
||
limit?: number
|
||
scope?: DataScope
|
||
}): Promise<ExcellentSubmissionItem[]> => {
|
||
const minPct = params.minPercentage ?? 80
|
||
const limit = Math.max(1, Math.min(50, params.limit ?? 10))
|
||
|
||
// 1. 拉取该作业所有已批改提交
|
||
const conditions = [
|
||
eq(homeworkSubmissions.assignmentId, params.assignmentId),
|
||
eq(homeworkSubmissions.status, "graded"),
|
||
sql`${homeworkSubmissions.score} IS NOT NULL`,
|
||
]
|
||
|
||
if (params.scope) {
|
||
if (params.scope.type === "class_taught" && params.scope.classIds.length > 0) {
|
||
const classStudentIds = await getStudentIdsByClassIds(params.scope.classIds)
|
||
conditions.push(inArray(homeworkSubmissions.studentId, classStudentIds))
|
||
} else if (params.scope.type === "owned") {
|
||
const creatorAssignmentIds = db
|
||
.select({ assignmentId: homeworkAssignments.id })
|
||
.from(homeworkAssignments)
|
||
.where(eq(homeworkAssignments.creatorId, params.scope.userId))
|
||
|
||
conditions.push(inArray(homeworkSubmissions.assignmentId, creatorAssignmentIds))
|
||
}
|
||
// grade_managed / all 不额外过滤（依赖 assignment 维度即可）
|
||
}
|
||
|
||
const submissions = await db.query.homeworkSubmissions.findMany({
|
||
where: and(...conditions),
|
||
with: {
|
||
student: true,
|
||
assignment: true,
|
||
},
|
||
})
|
||
|
||
// 2. 计算总分阈值（来自作业题目分数之和）
|
||
const maxScoreRows = await db
|
||
.select({
|
||
maxScore: sql<number>`COALESCE(SUM(${homeworkAssignmentQuestions.score}), 0)`,
|
||
})
|
||
.from(homeworkAssignmentQuestions)
|
||
.where(eq(homeworkAssignmentQuestions.assignmentId, params.assignmentId))
|
||
|
||
const maxScore = Number(maxScoreRows[0]?.maxScore ?? 0)
|
||
|
||
// 3. 同一学生取最高分
|
||
const bestByStudent = new Map<string, ExcellentSubmissionItem>()
|
||
for (const s of submissions) {
|
||
if (s.score === null) continue
|
||
const percentage = maxScore > 0 ? Math.round((s.score / maxScore) * 1000) / 10 : 0
|
||
if (percentage < minPct) continue
|
||
|
||
const existing = bestByStudent.get(s.studentId)
|
||
if (existing && existing.percentage >= percentage) continue
|
||
|
||
bestByStudent.set(s.studentId, {
|
||
submissionId: s.id,
|
||
assignmentId: s.assignmentId,
|
||
assignmentTitle: s.assignment.title,
|
||
studentName: s.student.name || "Unknown",
|
||
totalScore: s.score,
|
||
maxScore,
|
||
percentage,
|
||
submittedAt: s.submittedAt ? s.submittedAt.toISOString() : "",
|
||
isLate: s.isLate,
|
||
})
|
||
}
|
||
|
||
// 4. 排序 + 截断
|
||
return Array.from(bestByStudent.values())
|
||
.sort((a, b) => b.percentage - a.percentage)
|
||
.slice(0, limit)
|
||
})
|
||
|
||
/**
|
||
* 查询某作业下尚未提交（或未开始）的学生列表（P3-2：作业催交提醒）。
|
||
*
|
||
* 逻辑：
|
||
* - 从 `homeworkAssignmentTargets` 获取作业目标学生。
|
||
* - 排除已有 `submitted` 或 `graded` 状态提交的学生。
|
||
* - 返回学生 ID + 姓名，用于发送催交通知。
|
||
*
|
||
* 权限：调用方必须通过 `requirePermission()` 校验。
|
||
*/
|
||
export const getUnsubmittedStudents = cache(async (params: {
|
||
assignmentId: string
|
||
scope?: DataScope
|
||
}): Promise<Array<{ studentId: string; studentName: string }>> => {
|
||
// 1. 获取作业目标学生
|
||
const targets = await db.query.homeworkAssignmentTargets.findMany({
|
||
where: eq(homeworkAssignmentTargets.assignmentId, params.assignmentId),
|
||
with: {
|
||
student: true,
|
||
},
|
||
})
|
||
|
||
if (targets.length === 0) return []
|
||
|
||
// 2. 获取已提交的学生 ID（submitted 或 graded 状态）
|
||
const submitted = await db.query.homeworkSubmissions.findMany({
|
||
where: and(
|
||
eq(homeworkSubmissions.assignmentId, params.assignmentId),
|
||
inArray(homeworkSubmissions.status, ["submitted", "graded"])
|
||
),
|
||
columns: { studentId: true },
|
||
})
|
||
|
||
const submittedIds = new Set(submitted.map((s) => s.studentId))
|
||
|
||
// 3. 过滤出未提交的学生
|
||
const unsubmitted = targets
|
||
.filter((t) => !submittedIds.has(t.studentId))
|
||
.map((t) => ({
|
||
studentId: t.studentId,
|
||
studentName: t.student.name || "Unknown",
|
||
}))
|
||
|
||
return unsubmitted
|
||
})
|
||
|
||
|