Distancex

Elixir-wrapper for Google Directions API. Can return the drive time and driving distance between two places.

A sample http request and the corresponding json response

Installation

Dependencies: Make sure you have Erlang 18+ version installed and Elixir 1.x version. This hex package will not work with Erlang 17.x version.

Add distancex to your list of dependencies in mix.exs:

def deps do
 [{:distancex, "~> 0.0.3"} ]
end

Install the package

mix deps.get

Config

#config.exs

config :distancex, api_key: "YourAPIKEY"

Usage

The origin and destinations can be either a place name or a combo of latitude and longitude.

$ iex -S mix
iex> Distancex.distance("Vancouver", "San Francisco")
#=> 1529113
iex> Distancex.duration("Vancouver", "San Francisco")
#=> 53750
iex> Distancex.distance("49.2827N,123.1207W", "7.7833N,122.4167W")
#=> 1529113
iex> Distancex.duration("49.2827N,123.1207W", "7.7833N,122.4167W")
#=> 53750
iex> Distancex.distance_time("49.2827N,123.1207W", "7.7833N,122.4167W")
#=> {1529113, 53750}
iex> Distancex.distance_time("Vancouver", "San Francisco")
#=> {1529113, 53750}

Invalid key

$ iex -S mix
iex> Distancex.distance("Vancouver", "San Francisco")
#=> {:error, "The provided API key is expired."}

• Create a project in google developer console
• Enable distance matrix api for that project.
• Get API key

"Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth." ― Marcus Aurelius, Meditations