Files
studybuddy/packages/backend/convex/questions.ts

118 lines
3.3 KiB
TypeScript

import { getAuthUserId } from '@convex-dev/auth/server';
import { v } from 'convex/values';
import OpenAI from 'openai';
import { api } from './_generated/api';
import { action, mutation, query } from './_generated/server';
const openai = new OpenAI({
baseURL: process.env.OPENAI_BASE_URL,
apiKey: process.env.OPENAI_API_KEY,
});
export const getAllQuestions = query({
args: {},
handler: async (ctx) => {
const userId = await getAuthUserId(ctx);
if (!userId) throw new Error('Not authenticated');
return await ctx.db.query('questions').collect();
},
});
export const getQuestionsByTopic = query({
args: { topic: v.string() },
handler: async (ctx, args) => {
const userId = await getAuthUserId(ctx);
if (!userId) throw new Error('Not authenticated');
return await ctx.db
.query('questions')
.withIndex('by_topic', (q) => q.eq('topic', args.topic))
.collect();
},
});
export const addQuestion = mutation({
args: {
question: v.string(),
options: v.array(v.string()),
correctAnswer: v.number(),
topic: v.string(),
difficulty: v.optional(v.string()),
explanation: v.optional(v.string()),
},
handler: async (ctx, args) => {
const userId = await getAuthUserId(ctx);
if (!userId) throw new Error('Not authenticated');
return await ctx.db.insert('questions', {
question: args.question,
options: args.options,
correctAnswer: args.correctAnswer,
topic: args.topic,
difficulty: args.difficulty,
explanation: args.explanation,
});
},
});
export const generateQuestions = action({
args: {
topic: v.string(),
count: v.number(),
},
handler: async (ctx, args) => {
const userId = await getAuthUserId(ctx);
if (!userId) throw new Error('Not authenticated');
const prompt = `Generate ${args.count} multiple choice questions for the CompTIA Network+ exam on the topic: "${args.topic}".
Return ONLY a valid JSON array with this exact structure:
[
{
"question": "Question text here?",
"options": ["Option A", "Option B", "Option C", "Option D"],
"correctAnswer": 0,
"topic": "${args.topic}",
"difficulty": "medium",
"explanation": "Brief explanation of the correct answer"
}
]
Rules:
- Each question must have exactly 4 options
- correctAnswer is the index (0-3) of the correct option
- Make questions realistic for Network+ certification
- Include technical details and scenarios
- Return ONLY the JSON array, no other text`;
const response = await openai.chat.completions.create({
model: 'gpt-4o-mini',
messages: [{ role: 'user', content: prompt }],
temperature: 0.8,
});
const content = response.choices[0].message.content;
if (!content) throw new Error('No response from AI');
let questions;
try {
questions = JSON.parse(content);
} catch (e) {
throw new Error('Failed to parse AI response as JSON');
}
const questionIds = [];
for (const q of questions) {
const id: string = await ctx.runMutation(api.questions.addQuestion, {
question: q.question,
options: q.options,
correctAnswer: q.correctAnswer,
topic: q.topic,
difficulty: q.difficulty,
explanation: q.explanation,
});
questionIds.push(id);
}
return questionIds;
},
});