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Commit 8e4901a

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author
Rafael
committed
checks coin id and returns coin price
1 parent 166bf78 commit 8e4901a

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2 files changed

+29
-6
lines changed

2 files changed

+29
-6
lines changed

‎README.md

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@@ -14,6 +14,8 @@ open on: http://127.0.0.1:8000/docs
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docker: docker-compose up -d
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(frontend: frontend-reactjs-crud-crypto-app https://github.com/rafgger/frontend-reactjs-crud-crypto-app)
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In this article, I'll provide you with a simple and straightforward guide on how you can build a CRUD app with FastAPI and SQLAlchemy. The FastAPI app will run on a Starlette web server, use Pydantic for data validation, and store data in an SQLite database.
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![Build a CRUD App with FastAPI and SQLAlchemy](https://codevoweb.com/wp-content/uploads/2022/11/Build-a-CRUD-App-with-FastAPI-and-SQLAlchemy.png)

‎app/note.py

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Original file line numberDiff line numberDiff line change
@@ -19,6 +19,23 @@ def get_notes(db: Session = Depends(get_db), limit: int = 10, page: int = 1, sea
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models.Note.title.contains(search)).limit(limit).offset(skip).all()
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return {'status': 'success', 'results': len(notes), 'notes': notes}
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def get_coin_id(symbol_or_name):
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"""
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Retrieve the CoinGecko coin ID for a given symbol or name.
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"""
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url = "https://api.coingecko.com/api/v3/coins/list"
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response = requests.get(url)
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if response.status_code == 200:
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coins = response.json()
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symbol_or_name = symbol_or_name.lower()
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for coin in coins:
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if coin['symbol'].lower() == symbol_or_name or coin['name'].lower() == symbol_or_name:
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return coin['id']
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raise HTTPException(status_code=404, detail="Coin not found")
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else:
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raise HTTPException(status_code=response.status_code, detail="Failed to fetch coin list from CoinGecko")
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@router.post('/', status_code=status.HTTP_201_CREATED)
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def create_note(payload: schemas.NoteBaseSchema, db: Session = Depends(get_db)):
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try:
@@ -27,11 +44,15 @@ def create_note(payload: schemas.NoteBaseSchema, db: Session = Depends(get_db)):
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if not api_key:
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raise HTTPException(status_code=500, detail="API key not configured")
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# Build the API URL
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# Retrieve the CoinGecko coin ID using the payload title
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coin_id = get_coin_id(payload.title)
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# Build the API URL using the retrieved coin ID
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url = (
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"https://api.coingecko.com/api/v3/simple/token_price/ethereum"
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"?contract_addresses=0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
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f"&vs_currencies=usd&x_cg_demo_api_key={api_key}"
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f"https://api.coingecko.com/api/v3/simple/price"
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f"?ids={coin_id}"
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f"&vs_currencies=usd"
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f"&x_cg_demo_api_key={api_key}"
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)
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# Make the request to get the crypto price
@@ -40,15 +61,15 @@ def create_note(payload: schemas.NoteBaseSchema, db: Session = Depends(get_db)):
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raise HTTPException(status_code=response.status_code, detail="API call failed")
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data = response.json()
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price = data.get("0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48", {}).get("usd")
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price = data.get(coin_id, {}).get("usd")
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if price is None:
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raise HTTPException(status_code=500, detail="Invalid response from crypto API")
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# Create the note with the title from the payload and content as the crypto price
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new_note = models.Note(
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title=payload.title,
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content=f"Current ETH token price (USD):{price}",
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content=f"Current {payload.title}price (USD):\n${price}",
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category=payload.category,
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published=payload.published
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)

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