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Live Sensors App

Development

Dev container

This project have config for vscode dev container So in case you open project in vscode and you have docker installed in system - you just run command Dev containers: reopen in dev container command to get all dev environment

Note: If you use podman an additional configuration may required https://jahed.dev/2023/05/27/remote-development-with-vs-code-podman/

Devbox

Another options is using devbox tool for install unnecessary environment

devbox install

Scripts

Repository have set of scripts that helps build, test, and release app.

Build

flutter build apk

Useful links

Architecture

All top level logic described in /main/controller.dart module

Initialization stage

When app booted in try to recover previous user sessions. In case if success app goes to setup stage, else user redirected to login screen, and setup stage will executed after successful login

Setup stage

During the installation process, the program requests the necessary accesses, instantiates the services

Http client

  • ApiClient - describe backend api
    • OpenIdClient - handle auth logic - login / logout / handle 401 errors / keep tokens fresh
      • OpenIdApi - describe auth api

Snapshot

Contain all sensors records during period of time

Tracker

  • Listens to sensors and fills snapshots with sensor data
  • listens to gps channel and create new snapshot on every position change
  • Adding new snapshots to queue

Sender

Sending snapshots from queue to backend

Dataflow

Sensors + GPS ---(data)--> Tracker ---(Snapshot)--> Queue --> Sender --> Client --> Backend