get rid of ordancy survey

backend/OrdnanceSurvey.py

@@ -1,131 +0,0 @@
-from functools import lru_cache
-import urllib.parse
-import requests
-from utils.logger import setup_logger
-
-logger = setup_logger()
-
-
-class OrdnanceSuveyClient:
-
-    def __init__(self, address, postcode, api_key):
-        """
-        This class is tasked with interaction with the ordnance survey API.
-        :param address: The address for the property to search for
-        :param postcode: The postcode for the property to search for
-        """
-
-        self.address = address
-        self.postcode = postcode
-        self.full_address = ", ".join([self.address, self.postcode])
-        self.api_key = api_key
-
-        self.results = None
-
-        self.most_relevant_result = None
-        self.property_type = None
-        self.built_form = None
-        # This will be postcode and address, as returned by the ordnance survey
-        self.address_os = None
-        self.postcode_os = None
-
-    def set_places_address(self):
-        """
-        Given a response from the places api, this function will set the address and postcode of the property
-        """
-
-        if self.most_relevant_result is None:
-            raise ValueError("No results found - run get_places_api first")
-
-        self.address_os = self.most_relevant_result["ADDRESS"]
-
-        if "POSTCODE" in self.most_relevant_result:
-            self.postcode_os = self.most_relevant_result["POSTCODE"]
-        else:
-            self.postcode_os = self.most_relevant_result["POSTCODE_LOCATOR"]
-        # We strip out the postcode from the address as this is already stored separately
-        self.address_os = self.address_os.replace(self.postcode_os, "").strip()
-        # Remove trailing comma
-        self.address_os = self.address_os.rstrip(",").strip()
-        # Convert to title case
-        self.address_os = self.address_os.title()
-        # Make sure postcode is upper case
-        self.postcode_os = self.postcode_os.upper()
-
-    @lru_cache(maxsize=128)
-    def get_places_api(self, filter_by_postcode=False):
-        """
-        This method is tasked with getting the places api from the Ordnance Survey.
-        """
-
-        if not self.api_key:
-            raise ValueError("Ordnance Survey API key not specified")
-
-        encoded_address_query = urllib.parse.quote(self.full_address)
-
-        url = (
-            f"https://api.os.uk/search/places/v1/find?query={encoded_address_query}&dataset=DPA,LPI&matchprecision=10"
-            f"&key={self.api_key}"
-        )
-
-        response = requests.get(url)
-        if response.status_code == 200:
-            data = response.json()
-            res = data["results"]
-
-            if filter_by_postcode:
-                results = []
-                for r in res:
-                    if "DPA" in r:
-                        if r["DPA"]["POSTCODE"] == self.postcode:
-                            results.append(r)
-                    elif "LPI" in r:
-                        if r["LPI"]["POSTCODE_LOCATOR"] == self.postcode:
-                            results.append(r)
-                    else:
-                        raise ValueError("Could not find postcode in either DPA or LPI")
-            else:
-                results = res
-
-            self.results = results
-
-            # Extract some details about the best match
-            self.most_relevant_result = self.results[0]["DPA"] if "DPA" in self.results[0] else self.results[0]["LPI"]
-
-            self.parse_classification_code(self.most_relevant_result["CLASSIFICATION_CODE"])
-            self.set_places_address()
-
-        else:
-            logger.info("Could not find any results for the provided address and postcode")
-
-        return {"status": response.status_code}
-
-    def parse_classification_code(self, classification_code: str):
-        """
-        This function will convert the classification code, returned by the OS places api, to a property type that is
-        compatible with the EPC database.
-
-        The various classifications cane be found here:
-        https://osdatahub.os.uk/docs/places/technicalSpecification
-
-        Under LPI Output, CLASSIFICATION_CODE is described, and a link is provided to the full table of classifications
-        For these purposes, we do not need the full classification as this includes non-residential properties. We only
-        parse the ones of interest to us
-        :return:
-        """
-
-        value_map = {
-            # In the OS api, "RD" is a "Dwelling" however this is not valid property type in the EPC database
-            'RD': {},
-            'RD02': {'property_type': 'House', 'built_form': 'Detached'},
-            'RD03': {'property_type': 'House', 'built_form': 'Semi-Detached'},
-            'RD04': {'property_type': 'House', 'built_form': 'Mid-Terrace'},
-            'RD06': {'property_type': 'Flat'},
-        }
-        # Other classifications can be found in here:
-        # https://osdatahub.os.uk/docs/places/technicalSpecification in the CLASSIFICATION_CODE description.
-        # A lookup table csv can be downloaded which contains all of the codes
-
-        mapped = value_map.get(classification_code, {})
-        self.property_type = mapped.get("property_type", "")
-        self.built_form = mapped.get("built_form", "")