3a29a346a9
* Created FastAPI application structure * Added database models for assets, exchanges, markets, and rates * Integrated with CoinCap API * Implemented REST API endpoints * Setup SQLite persistence with Alembic migrations * Added comprehensive documentation Generated with BackendIM... (backend.im)
117 lines
3.9 KiB
Python
117 lines
3.9 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, Query, Path, status
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from sqlalchemy.orm import Session
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from typing import Optional, List
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import time
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from app.services.coincap_api import coincap_api
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from app.core.database import get_db
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from app.api.schemas.asset import (
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Asset, AssetCreate,
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AssetResponse, AssetsResponse,
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AssetHistoryResponse
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)
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router = APIRouter()
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@router.get("", response_model=AssetsResponse)
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async def get_assets(
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search: Optional[str] = None,
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ids: Optional[str] = None,
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limit: Optional[int] = Query(100, le=2000),
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offset: Optional[int] = Query(0, ge=0),
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db: Session = Depends(get_db)
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):
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"""
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Get a list of assets with optional filters
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"""
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try:
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response = await coincap_api.get_assets(search, ids, limit, offset)
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return response
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except HTTPException as e:
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raise e
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except Exception as e:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=f"Failed to fetch assets: {str(e)}"
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)
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@router.get("/{asset_id}", response_model=AssetResponse)
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async def get_asset(
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asset_id: str = Path(..., description="The asset ID (slug) to retrieve"),
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db: Session = Depends(get_db)
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):
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"""
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Get details for a specific asset by ID
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"""
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try:
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response = await coincap_api.get_asset(asset_id)
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return response
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except HTTPException as e:
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raise e
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except Exception as e:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=f"Failed to fetch asset {asset_id}: {str(e)}"
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)
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@router.get("/{asset_id}/markets", response_model=dict)
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async def get_asset_markets(
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asset_id: str = Path(..., description="The asset ID (slug) to retrieve markets for"),
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limit: Optional[int] = Query(100, le=2000),
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offset: Optional[int] = Query(0, ge=0),
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db: Session = Depends(get_db)
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):
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"""
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Get markets for a specific asset
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"""
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try:
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response = await coincap_api.get_asset_markets(asset_id, limit, offset)
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return response
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except HTTPException as e:
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raise e
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except Exception as e:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=f"Failed to fetch markets for asset {asset_id}: {str(e)}"
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)
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@router.get("/{asset_id}/history", response_model=AssetHistoryResponse)
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async def get_asset_history(
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asset_id: str = Path(..., description="The asset ID (slug) to retrieve history for"),
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interval: str = Query(..., description="Interval choices: m1, m5, m15, m30, h1, h2, h6, h12, d1"),
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start: Optional[int] = Query(None, description="UNIX time in milliseconds"),
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end: Optional[int] = Query(None, description="UNIX time in milliseconds"),
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db: Session = Depends(get_db)
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):
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"""
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Get historical data for a specific asset
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"""
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# Validate interval choices
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valid_intervals = ["m1", "m5", "m15", "m30", "h1", "h2", "h6", "h12", "d1"]
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if interval not in valid_intervals:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"Invalid interval. Choose from: {', '.join(valid_intervals)}"
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)
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# Both start and end must be provided if one is provided
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if (start is None and end is not None) or (start is not None and end is None):
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Both 'start' and 'end' parameters must be provided together"
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)
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try:
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response = await coincap_api.get_asset_history(asset_id, interval, start, end)
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return response
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except HTTPException as e:
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raise e
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except Exception as e:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=f"Failed to fetch history for asset {asset_id}: {str(e)}"
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) |