feat: exam actions and data safety fixes

src/modules/questions/data-access.ts

@@ -9,6 +9,7 @@ import { cache } from "react";
 export type GetQuestionsParams = {
   page?: number;
   pageSize?: number;
+  ids?: string[];
   knowledgePointId?: string;
   difficulty?: number;
 };
@@ -18,6 +19,7 @@ export type GetQuestionsParams = {
 export const getQuestions = cache(async ({
   page = 1,
   pageSize = 10,
+  ids,
   knowledgePointId,
   difficulty,
 }: GetQuestionsParams = {}) => {
@@ -26,6 +28,10 @@ export const getQuestions = cache(async ({
   // Build Where Conditions
   const conditions = [];
 
+  if (ids && ids.length > 0) {
+    conditions.push(inArray(questions.id, ids));
+  }
+
   if (difficulty) {
     conditions.push(eq(questions.difficulty, difficulty));
   }
@@ -40,9 +46,9 @@ export const getQuestions = cache(async ({
     conditions.push(inArray(questions.id, subQuery));
   }
 
-  // Only fetch top-level questions (parent questions)
-  // Assuming we only want to list "root" questions, not sub-questions
-  conditions.push(sql`${questions.parentId} IS NULL`);
+  if (!ids || ids.length === 0) {
+    conditions.push(sql`${questions.parentId} IS NULL`)
+  }
 
   const whereClause = conditions.length > 0 ? and(...conditions) : undefined;