1.0

backend/app/routers/moments.py

@@ -0,0 +1,140 @@
+"""朋友圈路由"""
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.dependencies import get_db, get_current_user
+from app.models.user import User
+from app.schemas.moment import MomentCreate, MomentCommentCreate
+from app.services.moment_service import MomentService
+
+router = APIRouter()
+
+
+@router.get("/")
+async def get_feed(
+    cursor: str | None = Query(None),
+    limit: int = Query(20, ge=1, le=50),
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """获取朋友圈 feed"""
+    service = MomentService(db)
+    return await service.get_feed(user.id, cursor, limit)
+
+
+@router.post("/")
+async def create_moment(
+    req: MomentCreate,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """发布动态"""
+    service = MomentService(db)
+    try:
+        moment = await service.create_moment(user.id, req.content, req.images, req.visibility)
+        detail = await service.get_feed(user.id, limit=1)
+        return detail[0] if detail else {"success": True}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+@router.get("/user/{target_user_id}")
+async def get_user_moments(
+    target_user_id: str,
+    cursor: str | None = Query(None),
+    limit: int = Query(20, ge=1, le=50),
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """获取指定用户的动态"""
+    service = MomentService(db)
+    return await service.get_user_moments(target_user_id, user.id, cursor, limit)
+
+
+@router.get("/{moment_id}")
+async def get_moment(
+    moment_id: str,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """获取单条动态详情"""
+    service = MomentService(db)
+    feed = await service.get_feed(user.id, limit=100)
+    moment = next((m for m in feed if m["id"] == moment_id), None)
+    if not moment:
+        raise HTTPException(status_code=404, detail="动态不存在")
+    return moment
+
+
+@router.delete("/{moment_id}")
+async def delete_moment(
+    moment_id: str,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """删除动态"""
+    service = MomentService(db)
+    try:
+        await service.delete_moment(moment_id, user.id)
+        return {"success": True, "message": "动态已删除"}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+@router.post("/{moment_id}/like")
+async def toggle_like(
+    moment_id: str,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """点赞/取消点赞"""
+    service = MomentService(db)
+    try:
+        is_liked = await service.toggle_like(moment_id, user.id)
+        return {"success": True, "is_liked": is_liked}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+@router.get("/{moment_id}/comments")
+async def get_comments(
+    moment_id: str,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """获取评论列表"""
+    service = MomentService(db)
+    return await service.get_comments(moment_id)
+
+
+@router.post("/{moment_id}/comments")
+async def add_comment(
+    moment_id: str,
+    req: MomentCommentCreate,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """添加评论"""
+    service = MomentService(db)
+    try:
+        comment = await service.add_comment(moment_id, user.id, req.content, req.reply_to_id)
+        return comment
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+@router.delete("/{moment_id}/comments/{comment_id}")
+async def delete_comment(
+    moment_id: str,
+    comment_id: str,
+    user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    """删除评论"""
+    service = MomentService(db)
+    try:
+        await service.delete_comment(comment_id, user.id)
+        return {"success": True, "message": "评论已删除"}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))