Add routes for updating and showing single items

backend/routes/items.py

@@ -1,10 +1,10 @@
 from uuid import uuid4
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy.ext.asyncio import AsyncSession
 from schemas import ItemCreate
 from models import Item, Tag
 from database import get_db
-from sqlalchemy import select
+from sqlalchemy import select, update
 from sqlalchemy.orm import selectinload
 from config import FIXED_USER_ID
 
@@ -35,6 +35,53 @@ async def read_items(db: AsyncSession = Depends(get_db)):
     user_id = FIXED_USER_ID
     result = await db.execute(select(Item).where(Item.user_id == user_id).options(selectinload(Item.tags)))
     items = result.scalars().all()
-    for item in items:
-        print(f"DEBUG: Item {item.id}: {item.name} - Tags: {[tag.name for tag in item.tags]}")
-    return {"items" : [item.name for item in items]}
+    return {
+        "items": [
+            {
+                "id": str(item.id),
+                "name": item.name,
+                "tags": [tag.name for tag in item.tags]
+            }
+            for item in items
+        ]
+    }
+
+@router.put("/items/{item_id}")
+async def update_item(item_id: str, item: ItemCreate, db: AsyncSession = Depends(get_db)):
+    user_id = FIXED_USER_ID
+
+    result = await db.execute(select(Item).where(Item.id == item_id, Item.user_id == user_id).options(selectinload(Item.tags)))
+    db_item = result.scalar_one_or_none()
+    if not db_item:
+        raise HTTPException(status_code=404, detail="Item not found")
+
+    db_item.name = item.name
+
+    # Update tags
+    tags = []
+    for tag_name in item.tag_names:
+        result = await db.execute(select(Tag).where(Tag.name == tag_name, Tag.user_id == user_id))
+        tag = result.scalar_one_or_none()
+        if not tag:
+            tag = Tag(id=uuid4(), name=tag_name, user_id=user_id)
+            db.add(tag)
+        tags.append(tag)
+    db_item.tags = tags
+
+    await db.commit()
+    return {"status": "item updated", "item_id": str(db_item.id)}
+
+@router.get("/items/{item_id}")
+async def get_item(item_id: str, db: AsyncSession = Depends(get_db)):
+    user_id = FIXED_USER_ID
+    result = await db.execute(
+        select(Item).where(Item.id == item_id, Item.user_id == user_id).options(selectinload(Item.tags))
+    )
+    db_item = result.scalar_one_or_none()
+    if not db_item:
+        raise HTTPException(status_code=404, detail="Item not found")
+    return {
+        "id": str(db_item.id),
+        "name": db_item.name,
+        "tags": [tag.name for tag in db_item.tags]
+    }