truongminh / finance-tracker

Finance Tracker

Command

• rails generate controller welcome index
• bundle install --without production
• rails generate devise:install
• rails generate devise User

Generate controller

• rails generate controller <class> <method>

Library

• Authentication: bundle add devise
• Bootstrap:

bundle add bootstrap jquery-rails
pin "bootstrap", to: "bootstrap.min.js", preload: true
pin "@popperjs/core", to: "popper.js", preload: true
# update application.js
# //= require jquery3
# //= require popper
# //= require bootstrap
# config/initializers/assets.rb
# Rails.application.config.assets.precompile += %w(bootstrap.min.js popper.js)
# for scss
bundle add sassc-rails # support scss
# ensure manifest.js
# //= link_directory ../stylesheets .css
# update application.scss to @import 'bootstrap';

Add data model

• Add Stock model rails g model Stock ticker:string name:string price:decimal rails db:migrate
• Add model with references rails g resource UserStock user:references stock:references

Credentials

• EDITOR="code --wait" rails credentials:edit
• `Rails.application.credentials.

Add form

• form_tag <url>, options ...
• Form method: data: { turbo_method: :delete }

Enable AJAX

https://guides.rubyonrails.org/v6.1/working_with_javascript_in_rails.html

• Enable rails-ujs ./bin/importmap pin @rails/ujs

// application.js
import Rails from '@rails/ujs';

Rails.start();

• Set form remote: true

Style

• Tab is 2 spaces

Syntax

• String interpolation: Stock #{stock.ticker}
• return true if check(stock)
• return false unless stock stocks.where(id: stock.id).exists?

Debug

• Empty rendering: add the = character, check for <%=
• List routes: rails routes --expanded
• Mind the s in controller filename and class name