FINANCE TRACKER

This is the finance-tracker application from the Complete Ruby on Rails Developer course. Click the link to see it in action Finance Tracker.

Versions

Create a new rails project

rails new <project-name>

When modifying the columns on models in the DB, run:

rails generate migration name_of_migration_file

Then specify the changes the newly created migration file, afterwards, run:

rails db:migrate

All available routes in Rails can be viewed by running:

rails routes --expanded

Run the console with:

rails c

Run the server with:

rails s

Run the test suite with:

rails test

Update a boolean attribute on an instance with toggle:

user.toggle!(:admin)

Enable table views in the console (in the console)

Hirb.enable

The encrypted credentials for the application are saved in config/credentials.yml.enc. To view/edit these credentials run:

EDITOR="code --wait" rails credentials:edit

To access credentials in the code (e.g. AWS's Access Key), use:

Rails.application.credentials.aws[:access_key_id]

New Model + DB migration file (e.g. User with attributes name and height)

rails generate model User name:string height:decimal

Prefill DB with mock data programatically (update db/migrate/seeds.rb file first):

rails db:seed

New Controller (e.g. messages)

rails generate controller messages <action>

Controller test file:

rails generate test_unit:scaffold name_of_model

Undo a Controller generation:

rails destroy controller messages

New Channel (e.g. chatroom)

rails generate channel chatroom

New Resource (e.g. many-to-many relationship between 2 models)

rails g resource UserStock user:references stock:references

Ensure that a production DB is in place. Add this to your Gemfile:

group :production do
  gem 'pg'
end

Handles various platforms in production, run this command to update your Gemfile.lock:

bundle lock --add-platform x86_64-linux

Ensure that you're logged into Heroku. The CLI will link you to a page to use your authenticator app on:

heroku login

To create a new production version of your app hosted in Heroku, use:

heroku create

To rename your application in Heroku, run:

heroku rename <new_name_of_application>

Ensure that the main branch is up-to-date in Github and that all gems are installed, then update the main branch in Heroku:

git push heroku <main/master>

Then run any pending migrations in Heroku

heroku run rails db:migrate

Upload your master.key to Heroku (secrets)

heroku config:set RAILS_MASTER_KEY=<your_master.key_value>

Afterwards, Production should be updated and is ready to view

heroku open