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60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
"""
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This module contains the route for retrieving a chart based on a given currency pair and date range.
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It defines the `/api/getChart/` endpoint that processes requests for generating charts.
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"""
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from fastapi import APIRouter, status, Request, Response
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from pydantic import BaseModel
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from chart.function.create_chart import create_chart
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from chart.routes.get_chart_period import prepare_chart_response
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router = APIRouter()
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class ChartRequestParams(BaseModel):
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"""
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A Pydantic model that represents the request parameters for generating a chart.
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This model is used to validate and group the request parameters:
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from_currency, conv_currency, start_date, and end_date.
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"""
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from_currency: str
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conv_currency: str
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start_date: str
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end_date: str
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@router.get("/api/getChart/", status_code=status.HTTP_201_CREATED)
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async def get_chart(
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response: Response,
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request: Request,
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params: ChartRequestParams
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):
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"""
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Fetches a chart for a given currency pair and date range.
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:param response: The response object used for returning the HTTP response.
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:param request: The request object containing details about the incoming request.
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:param params: Contains the request parameters:
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from_currency, conv_currency, start_date, and end_date.
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:return: A chart or an error message if the request is invalid.
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"""
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if not params.from_currency or not params.conv_currency:
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response.status_code = status.HTTP_400_BAD_REQUEST
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return {
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'status': status.HTTP_400_BAD_REQUEST,
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'message': 'The from_currency and conv_currency fields are required.',
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}
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if not params.start_date or not params.end_date:
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response.status_code = status.HTTP_400_BAD_REQUEST
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return {
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'status': status.HTTP_400_BAD_REQUEST,
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'message': 'The start_date and end_date fields are required.',
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}
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chart = await create_chart(
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params.from_currency,
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params.conv_currency,
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params.start_date,
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params.end_date
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)
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return await prepare_chart_response(response, request, chart)
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