first commit

app/api/posts.py

@@ -0,0 +1,63 @@
+import logging
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.database import get_db
+from app.models import Post
+from app.schemas import PriceImpact, TrumpPost
+
+router = APIRouter()
+logger = logging.getLogger(__name__)
+
+
+def _post_to_schema(post: Post) -> TrumpPost:
+    price_impact: Optional[PriceImpact] = None
+    if (
+        post.price_impact_asset
+        and post.price_at_post is not None
+    ):
+        price_impact = PriceImpact(
+            asset=post.price_impact_asset,
+            m5=post.price_impact_m5 or 0.0,
+            m15=post.price_impact_m15 or 0.0,
+            m1h=post.price_impact_m1h or 0.0,
+            price_at_post=post.price_at_post,
+        )
+    return TrumpPost(
+        id=post.id,
+        text=post.text,
+        source=post.source,
+        published_at=post.published_at.isoformat(),
+        sentiment=post.sentiment,
+        signal=post.signal,
+        ai_confidence=post.ai_confidence,
+        ai_reasoning=post.ai_reasoning,
+        relevant=post.relevant,
+        price_impact=price_impact,
+    )
+
+
+@router.get("/posts", response_model=List[TrumpPost])
+async def get_posts(
+    limit: int = Query(default=20, ge=1, le=500),
+    page: int = Query(default=1, ge=1),
+    db: AsyncSession = Depends(get_db),
+):
+    offset = (page - 1) * limit
+    result = await db.execute(
+        select(Post).order_by(Post.published_at.desc()).offset(offset).limit(limit)
+    )
+    posts = result.scalars().all()
+    return [_post_to_schema(p) for p in posts]
+
+
+@router.get("/posts/{post_id}", response_model=TrumpPost)
+async def get_post(post_id: int, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(Post).where(Post.id == post_id))
+    post = result.scalar_one_or_none()
+    if post is None:
+        raise HTTPException(status_code=404, detail="Post not found")
+    return _post_to_schema(post)