geolocatethis.py

import json
import requests
from assets.auth_key import *
from assets.api_data import *


#Function handling requests to Google Maps API 
def send_request(location, radius, keyword, category, pagetoken = None):

        params = {
                'location': location,
                'radius': radius,
                'type': category,
                'keyword': keyword,
                'key': AUTH_KEY,
        }

        if pagetoken is not None:
                params['pagetoken'] = pagetoken

        response = requests.get(api_url, params=params)
    
        if response.status_code == 200:
                raw_data = json.loads(response.content)
                
        else:
                print ('Something went wrong. Error code: {}'.format(response.status_code))
                exit
                
        return raw_data


# Main searching function     

def geo_locate_this(lat, lon, radius, keyword_place_1, keyword_place_2, category_place_1,
                    category_place_2, distance):

        center_point = ('{},{}'.format(lat, lon))
        pagetoken = None
        blank_pagetoken = None
        match_count = 0
        full_results = []

        while True:
                place_1_data = send_request(center_point, radius, keyword_place_1, category_place_1, pagetoken)
                        
                if 'OK' in place_1_data['status']:
                        for result in place_1_data['results']:
                                temp_name = result['name']
                                temp_lat = result['geometry']['location']['lat']
                                temp_lng = result['geometry']['location']['lng']
                                temp_location = '{},{}'.format(temp_lat,temp_lng)
                                
                                place_2_data = send_request(temp_location, distance, keyword_place_2, category_place_2, blank_pagetoken)
                                if 'ZERO_RESULTS' not in place_2_data['status']:
                                        '''print ("Found match at {} (location: {})".format(temp_name, temp_location))'''
                                        full_results.append("Found match at {} (location: {})".format(temp_name,
                                                                                                     temp_location))
                                        match_count += 1
                                
                        if 'next_page_token' not in place_1_data:
                                print ('Done. Found {} locations matching given criteria.'.format(match_count))
                                return full_results
                                break
                
                        else:
                                pagetoken = place_1_data['next_page_token']        
                
                elif 'ZERO_RESULTS' in place_1_data['status']:
                        print('Sorry, no results with provided parameters')
                        return('Sorry, no results with provided parameters')


                        break                
                
                elif 'OVER_QUERY_LIMIT' in place_1_data['status']:
                        print('You have reached your daily API quota limit for this key.')
                        return('You have reached your daily API quota limit for this key.')
                        break
                
                elif 'REQUEST_DENIED' in place_1_data['status']:
                        print('Request to Google API denied. Check your API key.')
                        return('Request to Google API denied. Check your API key.')
                        break

        return full_results