def general_prefix_rectangle(rectangle):
left_top = encode(rectangle[0].latitude, rectangle[0].longitude)
left_bottom = encode(rectangle[1].latitude, rectangle[0].longitude)
right_top = encode(rectangle[0].latitude, rectangle[1].longitude)
right_bottom = encode(rectangle[1].latitude, rectangle[1].longitude)
return Search.str_first_intersection(left_top, left_bottom, right_top, right_bottom)
def test_point_lifecycle(self):
point = {
"point_id": "test-location-lifecycle-" + str(uuid.uuid4()),
"latitude": 50.45466,
"longitude": 30.5238,
"geohash": encode(50.45466, 30.5238)
}
with create_app().test_client() as client:
resp = client.post('/location/v1/points', json=point)
self.assertEqual(resp.status_code, 201) # created new point
resp = client.get('/location/v1/points/{0}'.format(point["point_id"]))
self.assertEqual(resp.status_code, 200)
self.assertEqual(resp.json, point)
resp = client.post('/location/v1/points', json=point)
self.assertEqual(resp.status_code, 200) # updated existing event
resp = client.delete('/location/v1/points/{0}'.format(point["point_id"]))
self.assertEqual(resp.status_code, 200)
resp = client.get('/location/v1/points/{0}'.format(point["point_id"]))
self.assertEqual(resp.status_code, 404)
resp = client.delete('/location/v1/points/{0}'.format(point["point_id"]))
self.assertEqual(resp.status_code, 404)
def test_to_json(self):
point = Point("id1", 50.45466, 30.5238)
expected = {
"point_id": "id1",
"latitude": 50.45466,
"longitude": 30.5238,
"geohash": encode(50.45466, 30.5238)
}
self.assertEqual(point.to_json(), expected)
def test_from_json(self):
json = {
"point_id": "id",
"latitude": 50.45466,
"longitude": 30.5238,
"geohash": str(encode(50.45466, 30.5238))
}
expected = Point("id", 50.45466, 30.5238)
self.assertEqual(Point.from_json(json), expected)
def general_prefix(centre_point, distance):
# d - angular radius
d = distance / 6371000.0
# latitude and longitude in radians
lat_rad = centre_point.latitude * pi / 180
long_rad = centre_point.longitude * pi / 180
delta_long = asin(sin(d) / cos(lat_rad))
# max/min latitude and longitude (degrees)
long_min = (long_rad - delta_long) * 180 / pi
long_max = (long_rad + delta_long) * 180 / pi
lat_min = (lat_rad - d) * 180 / pi
lat_max = (lat_rad + d) * 180 / pi
# Four vertices of the minimum bounding rectangle that fully contains QUERY CIRCLE
north_west = encode(lat_max, long_min)
south_west = encode(lat_min, long_min)
south_east = encode(lat_min, long_max)
north_east = encode(lat_max, long_max)
return Search.str_first_intersection(north_east, south_east, north_west, south_west)
def __init__(self, point_id, latitude, longitude):
self.point_id = point_id
self.latitude = latitude
self.longitude = longitude
self.geohash = encode(latitude, longitude)