ExPlay
======
> Google Play (Android Market) API in Elixir :computer:
(Ported from [`node-google-play`][gp-node])
## Installation
Add `explay` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[{:explay, "~> 0.1.5"}]
end
```
### Install JS Dependency
Right now, there isn't an erlang/elixir implementation of Google's Protobuf library
that can decode v2 data correctly, so we're relying on the npm module `protobufjs`.
In your project's root, run:
```bash
npm init
npm install protobufjs --save
```
or if you prefer [`yarn`][yarn]:
```bash
yarn add protobufjs
```
## Usage
There are a lot of modules, each handling their own relevant API calls, but you need
to be concerned with only two:
- ExPlay.Account
- ExPlay.Request
#### Authentication
To interact with the Google Play API and get back data, you need a valid and authenticated
Google account (with email, password and device id).
```elixir
# Save this account object to later use in API requests
account = %ExPlay.Account{email: "john@gmail.com", password: "12345678", device_id: "XXXXXXXX"}
account = ExPlay.Account.authenticate!(account)
```
#### Get App Details
```elixir
{:ok, app} = ExPlay.Request.package_details(account, "com.facebook.katana")
app.title
# => "Facebook"
app.descriptionHtml
# => "Keeping up with friends is faster than ever..."
app.details.appDetails.numDownloads
# => "1,000,000,000+ downloads"
app.details.appDetails.versionCode
# => 41212272
# And lots of other stuff. Use Map.keys(app) to get an idea of the response.
```
#### Get App Delivery Data
You can get an app's delivery data using `ExPlay.Request.package_download_info/2`.
It will return a map with a downloadable APK url and authorization cookies which
you can pass to any HTTP client to download the APK (Even `wget` or `curl`).
Note: The `package` here can be the app's bundle identifier string or a
`{bundle, version}` tuple.
```elixir
{:ok, info} = ExPlay.Request.package_download_info(account, "com.facebook.katana")
info.downloadUrl
# => "https://play.googlezip.net/market/download/Download?packageName=com.facebook.katana&versionCode=41212272&ssl..."
info.downloadAuthCookie
# => [%{"name" => "MarketDA", "value" => "09919279757374609811"}]
```
#### Download APK
Alternatively, you can let `ExPlay` download the app for you. Specify the package
you want to download and a (writable) path where you'd like to save it.
Note: The `package` here can be the app's bundle identifier string or a
`{bundle, version}` tuple.
```elixir
ExPlay.Request.download!(account, "com.facebook.katana", "/tmp/facebook.apk")
# => :ok
```
## Roadmap
- [ ] Write missing Tests
- [x] Write Documentation
- [ ] Update documentation with more information and examples
- [ ] Implement pure Erlang/Elixir Protobuf v2 solution for decoding data
- [ ] Cover all API calls
- [x] Authentication
- [x] Package Details
- [ ] Bulk Package Details
- [ ] Search Apps
- [ ] Related Apps
- [ ] Categories
- [ ] App Reviews
- [x] Download App
- [ ] Download App Data
## Contributing
- [Fork][github-fork], Enhance, Send PR
- Lock issues with any bugs or feature requests
- Implement something from Roadmap
- Spread the word
## License
This package is available as open source under the terms of the [MIT License][license].
[license]: http://opensource.org/licenses/MIT
[github-fork]: https://github.com/sheharyarn/ex_utils/fork
[yarn]: https://github.com/yarnpkg/yarn
[gp-node]: https://github.com/dweinstein/node-google-play