Initial commit - MIDAS App educação financeira para apostadores (FastAPI + Next.js)

backend/app/routers/lessons.py

@@ -0,0 +1,41 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from app.database import get_db
+from app.models.user import User
+from app.models.lesson import Lesson, UserLesson
+from app.utils.auth import get_current_user
+from app.services.gamification import check_achievements
+
+router = APIRouter(prefix="/api/lessons", tags=["lessons"])
+
+@router.get("")
+async def list_lessons(user: User = Depends(get_current_user), db: AsyncSession = Depends(get_db)):
+    lessons = (await db.execute(select(Lesson).order_by(Lesson.order_num))).scalars().all()
+    completed = (await db.execute(
+        select(UserLesson.lesson_id).where(UserLesson.user_id == user.id)
+    )).scalars().all()
+    completed_ids = set(completed)
+    return [
+        {"id": str(l.id), "title": l.title, "category": l.category, "difficulty": l.difficulty,
+         "duration_min": l.duration_min, "content": l.content, "is_premium": l.is_premium,
+         "completed": l.id in completed_ids}
+        for l in lessons
+    ]
+
+@router.post("/{lesson_id}/complete")
+async def complete_lesson(lesson_id: str, user: User = Depends(get_current_user), db: AsyncSession = Depends(get_db)):
+    lesson = (await db.execute(select(Lesson).where(Lesson.id == lesson_id))).scalar_one_or_none()
+    if not lesson:
+        raise HTTPException(404, "Lesson not found")
+    existing = (await db.execute(
+        select(UserLesson).where(UserLesson.user_id == user.id, UserLesson.lesson_id == lesson_id)
+    )).scalar_one_or_none()
+    if existing:
+        return {"status": "already_completed"}
+    ul = UserLesson(user_id=user.id, lesson_id=lesson_id)
+    db.add(ul)
+    user.total_points = (user.total_points or 0) + 10
+    await db.commit()
+    await check_achievements(user.id, db)
+    return {"status": "completed", "points_earned": 10}