LifeHelper Mobile Application with Backend MicroServices

Used Technologies:

Roadmap

• Create The authentication layer
• Create the Grocery Service
• Create automatized docker images creation
• Create Github actions automatized test flow
• Create Weight tracker Frontend - Alpha version has been released
• Create BabySleep tracker Frontend - Production version has been released! 2022-07-10
• Create BabySleep tracker Backend - Production version has been released! 2022-07-10
• Swagger API documentation
• Create Weight tracker Backend
• Create BudgetTracker Frontend
• Create BudgetTracker Backend

Backend

Architecture

The backend code has been written in NodeJS + TypeScript, C# and Kotlin.

The used NodeJS framework is Hapi.

Services

There are six different microservices.

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ApiGateway

• The only exposed service
• Fordwards the requests between the services and the client side

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Auth web process

• Validate the Login credentials
• Validate the session Cookie and returns the account informations
• Database:
  • MySql
  • Redis
  • Store sessions

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Auth worker process

• Handles the email sendings by the forget password requests
• Handles the email sendings by the registration requests

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Grocery Service

Grocery list with shared groups.

It is a basic "To-do-list like" application with backend services.

• Serve the grocery list by the groupId
• Create new categories
• Delete categories
• Create new items
• Delete items
• Create User groups
• Delete user groups
• Database:
  • MySql

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BabyTracker Service

Main puropose is to Store baby actions's duration like (eat,sleep,walking etc.) and visualize the stored date into specified statistics and charts

• Store baby actions's duration like (eat,sleep,walking etc.)
• Manage the latest actions (modify,delete)
• Register and manage children (Save, modify, remove)
  • Side Note: For etical reason the "remove child" is hidden by default. In the children manager menu the user should tap the header 7 times before it appears
• Parenthsip Manager:
  • You can invite other user to be a parent of your registerec children via email address
  • You can manage your sent end received pending invitations as well. (Accept, decline or delete)
  • One account can only have one partner.
    • Poligamy not allowed!
  • You can divorce from a partner too in the aplication.
    • After the divorce the partners got acces only the registered children by the users
    • Side note: For etical reason this menu is hidden by default. It will appears after the user tapped the parentship manager menu"s header 7 times

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Weight tracker

In development

A weight tracker application with backend service. Store and visualize the progress of your wegith gaining/losing journey.

• Save and modify your daily weight.
• Update or delete your already saved records.
• Visualize your progress via statistics and charts.

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Budget Tracker

In development

Track all of your expensies and get visualized statistics and charts.

• Create, update and delete categories
• Create, update and delete records
• Create, update, delete budget warnings with multiple warning limits.
• Get statistics about your expensies via lists and charts

Docker

• The production environment uses docker images

• Theese images are size reduced, because of the images has been built by the transpiled javascript code.

• The images are created automaticly when the code merge has been done to the Master branch.

• The docker images are tagged with the latest commit hash.

Github

• If a new Pull Request has been opened to the develop branch, it triggers the test runner.

• If the master branch gets a new code merge, then the new docker images has been building and tagging them by the latest commit hash.

Frontend:

Features:

• Login:

  • The user can Login into the app. ("Such a feature")
  • Can create a new account.
  • Can send a forgot password request

Menu:

The following features are done.

• Grocery List:
  • The user can create user groups and share the items between the groups
  • Can create and delete items
  • Can create and delete categories
  • Can modify categories

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• Baby Sleep Tracker:
  • Main purpose of this application is record the activities of the babies and get propper statistics based on the records
  • The user can register, remove or modify a child/children
  • Start recording the choosen activity automatically.
  • Stop recording the choosen activity automatically.
  • Record the activity manually.
  • Get different statistics based on the activity or the time intervall.
  • Get charts statistics based on the activity or the time intervall.

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