measure_ctrl/battery_measure_ctrl/src/services/http_service.py

import requests
import logging

logger = logging.getLogger(__name__)

DEBUG_DATA = {
                "id": 2224,
                "comment": None,
                "start_voltage": 3.6,
                "battery_id": 91,
                "cell_type_id": 16,
                "state": "Unvermessen",
                "remaining_capacity": None,
                "soh": None,
                "created_at": "2025-01-04T11:53:01.820Z",
                "updated_at": "2025-01-04T11:53:01.820Z",
                "cell_type": {
                    "id": 16,
                    "name": "INR18650-35E",
                    "comment": "",
                    "manufacturer": "Samsung",
                    "capacity": 3450,
                    "nominal_voltage": 3.7,
                    "max_voltage": 4.2,
                    "min_voltage": 2.5,
                    "created_at": "2024-11-05T15:39:15.107Z",
                    "updated_at": "2024-11-05T15:39:19.564Z"
                }
            }        

class HTTPService:
    def __init__(self, config: dict):
        self.config = config
        self.debug = config['http'].get('debug', False)
        self.base_url = config['http'].get('server_url')
        self.endpoint = config['http'].get('endpoint')
        self.username = config['http'].get('username')
        self.password = config['http'].get('password')

    def fetch_cell_info(self, cell_id):      
        if self.debug:
            return DEBUG_DATA
        
        url = f"{self.base_url}/{self.endpoint}/{cell_id}/"
        
        # Basic Authentication (if required)
        auth = (self.username, self.password)
        
        # Headers
        headers = {
            "Accept": "application/json"
        }
        
        # Making the GET request
        response = requests.get(url, auth=auth, headers=headers)
        
        # Check if the request was successful
        if response.status_code == 200:
            return response.json()  # Return parsed JSON
        else:
            raise ConnectionError(f"Info for cell {cell_id} could not be retreived: {response.status_code}")