Initial commit: yu-zhi-ran platform with automation integration

platform/backend/app/api/topics.py

@@ -0,0 +1,43 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List
+from datetime import datetime
+
+from ..database import get_db
+from ..models import Topic
+from ..schemas import TopicResponse, PublishRequest
+
+router = APIRouter(prefix="/api/topics", tags=["topics"])
+
+@router.get("", response_model=List[TopicResponse])
+def list_topics(
+    status: str = None,
+    db: Session = Depends(get_db)
+):
+    query = db.query(Topic)
+    if status:
+        query = query.filter(Topic.status == status)
+    topics = query.order_by(Topic.priority_score.desc(), Topic.created_at.desc()).all()
+    return topics
+
+@router.get("/{topic_id}", response_model=TopicResponse)
+def get_topic(topic_id: str, db: Session = Depends(get_db)):
+    topic = db.query(Topic).filter(Topic.id == topic_id).first()
+    if not topic:
+        raise HTTPException(status_code=404, detail="Topic not found")
+    return topic
+
+@router.post("/{topic_id}/publish")
+def publish_topic(topic_id: str, req: PublishRequest, db: Session = Depends(get_db)):
+    topic = db.query(Topic).filter(Topic.id == topic_id).first()
+    if not topic:
+        raise HTTPException(status_code=404, detail="Topic not found")
+    if topic.status != "ready":
+        raise HTTPException(status_code=400, detail="Topic not in ready status")
+    
+    topic.status = "published"
+    topic.published_at = datetime.now().date()
+    topic.platform_urls = req.platform_urls
+    db.commit()
+    
+    return {"message": "Topic marked as published", "topic_id": topic_id}