init

backend/app/api/activities.py

@@ -0,0 +1,102 @@
+import uuid
+from pathlib import Path
+
+from fastapi import APIRouter, Depends, UploadFile, File, HTTPException
+from sqlalchemy import select, func
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from backend.app.core.config import settings
+from backend.app.core.database import get_session
+from backend.app.models.activity import Activity, DataPoint
+from backend.app.schemas.activity import (
+    ActivityResponse,
+    ActivityListResponse,
+    DataPointResponse,
+)
+from backend.app.services.fit_parser import parse_fit_file
+from backend.app.services.metrics import calculate_metrics
+
+router = APIRouter()
+
+
+@router.post("/upload", response_model=ActivityResponse)
+async def upload_activity(
+    rider_id: uuid.UUID,
+    file: UploadFile = File(...),
+    session: AsyncSession = Depends(get_session),
+):
+    if not file.filename or not file.filename.lower().endswith(".fit"):
+        raise HTTPException(status_code=400, detail="Only .FIT files are accepted")
+
+    upload_dir = Path(settings.UPLOAD_DIR)
+    upload_dir.mkdir(parents=True, exist_ok=True)
+
+    file_id = uuid.uuid4()
+    file_path = upload_dir / f"{file_id}.fit"
+
+    content = await file.read()
+    file_path.write_bytes(content)
+
+    activity, data_points = parse_fit_file(content, rider_id, str(file_path))
+    session.add(activity)
+    await session.flush()
+
+    for dp in data_points:
+        dp.activity_id = activity.id
+    session.add_all(data_points)
+
+    metrics = calculate_metrics(data_points, activity, rider_id, session)
+    if metrics:
+        session.add(metrics)
+
+    await session.commit()
+    await session.refresh(activity)
+    return activity
+
+
+@router.get("", response_model=ActivityListResponse)
+async def list_activities(
+    rider_id: uuid.UUID,
+    limit: int = 20,
+    offset: int = 0,
+    session: AsyncSession = Depends(get_session),
+):
+    count_query = select(func.count(Activity.id)).where(Activity.rider_id == rider_id)
+    total = (await session.execute(count_query)).scalar() or 0
+
+    query = (
+        select(Activity)
+        .where(Activity.rider_id == rider_id)
+        .order_by(Activity.date.desc())
+        .limit(limit)
+        .offset(offset)
+    )
+    result = await session.execute(query)
+    activities = result.scalars().all()
+
+    return ActivityListResponse(items=activities, total=total)
+
+
+@router.get("/{activity_id}", response_model=ActivityResponse)
+async def get_activity(
+    activity_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+):
+    activity = await session.get(Activity, activity_id)
+    if not activity:
+        raise HTTPException(status_code=404, detail="Activity not found")
+    return activity
+
+
+@router.get("/{activity_id}/stream", response_model=list[DataPointResponse])
+async def get_activity_stream(
+    activity_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+):
+    query = (
+        select(DataPoint)
+        .where(DataPoint.activity_id == activity_id)
+        .order_by(DataPoint.timestamp)
+    )
+    result = await session.execute(query)
+    return result.scalars().all()