Elixtagram

Elixtagram is a simple Instagram client for Elixir.

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Read the docs

I’ve created an example application with Phoenix here

Usage

Installation

Add the following to your mix.exs

...

def application do
  [mod: {InstagramPhoenixExample, []},
   applications: [:elixtagram]]
end

...

defp deps do
  [{:elixtagram, "~> 0.1.1"}]
end

...

Configuration

Elixtagram will first look for application variables, then environment variables. This is useful if you want to set application variables locally and environment variables in production (e.g. on Heroku). That being said, I recommend using Dotenv locally.

config/dev.exs

config :elixtagram,
  instagram_client_id: "YOUR-CLIENT-ID",
  instagram_client_secret: "YOUR-CLIENT-SECRET",
  instagram_redirect_uri: "YOUR-REDIRECT-URI"

.env

INSTAGRAM_CLIENT_ID=YOUR-CLIENT-ID
INSTAGRAM_CLIENT_SECRET=YOUR-CLIENT-SECRET
INSTAGRAM_REDIRECT_URI=YOUR-REDIRECT-URI

You can also configure these programatically at runtime if you wish:

iex(1)> Elixtagram.configure("YOUR-CLIENT-ID", "YOUR-CLIENT-SECRET", "YOUR-REDIRECT-URI")
{:ok, []}

Usage

Authenticate a user

# Generate a URL to send them to
iex(1)> Elixtagram.authorize_url!
"https://api.instagram.com/oauth/authorize/?client_id=XXX&redirect_uri=localhost%3A4000&response_type=code"

# Instagram will redirect them back to your INSTAGRAM_REDIRECT_URI, so once they're there, you need to catch the url param 'code', and exchange it for an access token.

iex(2)> code = "XXXXXXXXXX"
"XXXXXXXXXX"
iex(3)> access_token = Elixtagram.get_token!(code: code).access_token
"XXXXXXXXXXXXXXXXXXXX"

# Now we can optionally set this as the global token, and make requests with it by passing :global instead of a token.
iex(4)> Elixtagram.configure(:global, access_token)
{:ok, []}

Unauthenticated endpoints

There are a lot of endpoints you can use without an access token from a user. Most methods can be called in one of three ways, for example:

# Unauthenticated
iex(1)> Elixtagram.tag("lifeisaboutdrugs")
%Elixtagram.Model.Tag{media_count: 27, name: "lifeisaboutdrugs"}

# Explicitly authenticated
iex(1)> Elixtagram.tag("lifeisaboutdrugs", "XXXXXXXXXXXXXXXXX")
%Elixtagram.Model.Tag{media_count: 27, name: "lifeisaboutdrugs"}

# Implicitly authenticated (only works if you have configured a global token)
iex(1)> Elixtagram.tag("lifeisaboutdrugs", :global)
%Elixtagram.Model.Tag{media_count: 27, name: "lifeisaboutdrugs"}

Authenticated endpoints

Authenticated endpoints are mostly things which are about getting the current user’s stuff

iex(1)> Elixtagram.user_feed(%{count: 2}, "XXXXXXXXXXXXXXXXX")
[%Elixtagram.Model.Media{...}, %Elixtagram.Model.Media{...}]

iex(2)> Elixtagram.user_feed(%{count: 2}, :global)
[%Elixtagram.Model.Media{...}, %Elixtagram.Model.Media{...}]

All of the available methods and the ways to call them are in the docs

Status

It’s mostly complete, but these things are missing: