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# SPDX-License-Identifier: AGPL-3.0-or-later
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"""
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OpenStreetMap (Map)
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"""
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import re
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from json import loads
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from flask_babel import gettext
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# about
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about = {
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"website": 'https://www.openstreetmap.org/',
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"wikidata_id": 'Q936',
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"official_api_documentation": 'http://wiki.openstreetmap.org/wiki/Nominatim',
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"use_official_api": True,
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"require_api_key": False,
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"results": 'JSON',
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}
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# engine dependent config
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categories = ['map']
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paging = False
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# search-url
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base_url = 'https://nominatim.openstreetmap.org/'
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search_string = 'search/{query}?format=json&polygon_geojson=1&addressdetails=1'
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result_base_url = 'https://openstreetmap.org/{osm_type}/{osm_id}'
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route_url = 'https://graphhopper.com/maps/?point={}&point={}&locale=en-US&vehicle=car&weighting=fastest&turn_costs=true&use_miles=false&layer=Omniscale' # noqa
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route_re = re.compile('(?:from )?(.+) to (.+)')
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# do search-request
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def request(query, params):
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params['url'] = base_url + search_string.format(query=query)
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params['route'] = route_re.match(query)
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return params
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# get response from search-request
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def response(resp):
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results = []
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json = loads(resp.text)
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if resp.search_params['route']:
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results.append({
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'answer': gettext('Get directions'),
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'url': route_url.format(*resp.search_params['route'].groups()),
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})
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# parse results
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for r in json:
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if 'display_name' not in r:
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continue
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title = r['display_name'] or ''
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osm_type = r.get('osm_type', r.get('type'))
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url = result_base_url.format(osm_type=osm_type,
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osm_id=r['osm_id'])
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osm = {'type': osm_type,
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'id': r['osm_id']}
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geojson = r.get('geojson')
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# if no geojson is found and osm_type is a node, add geojson Point
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if not geojson and osm_type == 'node':
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geojson = {'type': 'Point', 'coordinates': [r['lon'], r['lat']]}
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address_raw = r.get('address')
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address = {}
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# get name
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if r['class'] == 'amenity' or\
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r['class'] == 'shop' or\
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r['class'] == 'tourism' or\
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r['class'] == 'leisure':
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if address_raw.get('address29'):
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address = {'name': address_raw.get('address29')}
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else:
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address = {'name': address_raw.get(r['type'])}
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# add rest of adressdata, if something is already found
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if address.get('name'):
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address.update({'house_number': address_raw.get('house_number'),
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'road': address_raw.get('road'),
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'locality': address_raw.get('city',
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address_raw.get('town', # noqa
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address_raw.get('village'))), # noqa
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'postcode': address_raw.get('postcode'),
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'country': address_raw.get('country'),
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'country_code': address_raw.get('country_code')})
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else:
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address = None
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# append result
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results.append({'template': 'map.html',
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'title': title,
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'content': '',
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'longitude': r['lon'],
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'latitude': r['lat'],
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'boundingbox': r['boundingbox'],
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'geojson': geojson,
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'address': address,
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'osm': osm,
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'url': url})
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# return results
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return results
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