refactor(chart): Move functions to separate files or folders to improve code structure.

chart/routes/get_chart.py

@@ -0,0 +1,34 @@
+from fastapi import APIRouter, status, Request, Response
+
+from chart.function.create_chart import create_chart
+from chart.routes.get_chart_period import prepare_chart_response
+
+router = APIRouter()
+
+@router.get("/api/getChart/", status_code=status.HTTP_201_CREATED)
+async def get_chart(
+                    response: Response,
+                    request: Request,
+                    from_currency: str = None,
+                    conv_currency: str = None,
+                    start_date: str = None,
+                    end_date: str = None,
+                    ):
+
+    if not from_currency or not conv_currency:
+        response.status_code = status.HTTP_400_BAD_REQUEST
+        return {
+                'status': status.HTTP_400_BAD_REQUEST,
+                'message': 'The from_currency and conv_currency fields are required.',
+                }
+    elif not start_date and not end_date:
+        response.status_code = status.HTTP_400_BAD_REQUEST
+        return {
+                'status': status.HTTP_400_BAD_REQUEST,
+                'message': 'The start_date and end_date fields are required.',
+        }
+
+
+    chart = await create_chart(from_currency, conv_currency, start_date, end_date)
+
+    return await prepare_chart_response(response, request, chart)