The app is not complete, there's still a ton of work to do, and probably many bugs. If you want to test it out, feel free to install in your device, and get back here if you find any bug so I can look at it. The Whatsapp protocol is awful to work with, I'm posting this early to gather feedback about edge cases.

Consider this app as Alpha, don't use it expecting to be 100% functional or complete, but use it to give feedback and help with the development.

Also the app runs unconfined to setup a background daemon, more on the architecture bellow.

Releases here: https://github.com/brennoflavio/greenline/releases

Once its stable, I'll publish to the store. Now more details about it.

Architecture

This app is composed of 3 parts:

1. Golang Daemon

This daemon managed by Systemd connects to Whatsapp servers and runs continuously in the background, gathering events and pre processing them. Also:

• Manages your encryption keys
• Serialize whatsapp events, stores in a queue
• Expose a JSON RPC endpoint to read and send messages, among other operations
• Syncs users avatars, media, and other data
• Sends notifications

2. Python Backend

Event driven backend that pulls events from the daemon and acts on them, building a chat room and message database. It also sends events to the frontend, updating the message list in real time

3. QML

The frontend is entirely written in qml and communicates with python using pyotherside

In order to pull messages in the background, it needs to run unconfined.