@@ -427,6 +553,7 @@ export function GradesClient({
className="h-auto border-none shadow-none"
/>
) : (
+
@@ -482,6 +609,7 @@ export function GradesClient({
))}
+
)}
diff --git a/src/modules/school/data-access.ts b/src/modules/school/data-access.ts
index 5bbe39c..9bf7f8a 100644
--- a/src/modules/school/data-access.ts
+++ b/src/modules/school/data-access.ts
@@ -798,3 +798,51 @@ export const getOrgTree = cache(async (): Promise
=> {
return []
}
})
+
+/**
+ * 年级概览统计：每个年级的班级数、学生数、教师数。
+ * 用于年级管理页面的卡片视图，让管理员一目了然看到各年级规模。
+ */
+export interface GradeOverviewStats {
+ gradeId: string
+ classCount: number
+ studentCount: number
+ teacherCount: number
+}
+
+export const getGradeOverviewStats = cache(async (): Promise => {
+ try {
+ // 动态导入 classes 模块避免循环依赖
+ const { getAdminClasses } = await import("@/modules/classes/data-access")
+ const allClasses = await getAdminClasses()
+
+ // 按年级分组统计班级数和学生数
+ const statsByGrade = new Map }>()
+
+ for (const cls of allClasses) {
+ const gradeId = cls.gradeId
+ if (typeof gradeId !== "string" || gradeId.length === 0) continue
+
+ const existing = statsByGrade.get(gradeId) ?? { classCount: 0, studentCount: 0, teacherIds: new Set() }
+ existing.classCount += 1
+ existing.studentCount += cls.studentCount ?? 0
+ // 班主任算一个教师
+ if (cls.teacher?.id) existing.teacherIds.add(cls.teacher.id)
+ // 学科教师也算
+ for (const st of cls.subjectTeachers ?? []) {
+ if (st.teacher?.id) existing.teacherIds.add(st.teacher.id)
+ }
+ statsByGrade.set(gradeId, existing)
+ }
+
+ return Array.from(statsByGrade.entries()).map(([gradeId, s]) => ({
+ gradeId,
+ classCount: s.classCount,
+ studentCount: s.studentCount,
+ teacherCount: s.teacherIds.size,
+ }))
+ } catch (error) {
+ console.error("getGradeOverviewStats failed:", error)
+ return []
+ }
+})