Ruby on Rails Tutorial sample application

This is the sample application for Ruby on Rails Tutorial: Learn Web Development with Rails (6th Edition) by Michael Hartl.

License

All source code in the Ruby on Rails Tutorial is available jointly under the MIT License and the Beerware License. See LICENSE.md for details.

Getting started

To get started with the app, clone the repo and then install the needed gems: a S$ bundle install --without production Pi a eae Next, migrate the database: ma S$ rails db:migrate a ee Finally, run the test suite to verify that everything is working correctly: ~~ SN S S rails test ~ & If the test suite passes, you'll be ready to run the app in a local server: ~~ N NS S rails server ~~ SN NS For more information, see the [Ruby on Rails Tutorial book] (https://www.railstutorial.org/book).

Generate Static pages

$ rails generate controller StaticPages home help

Delete Static pages

$ rails destroy controller StaticPages home help

Generate model

$ rails generate model User name:string email:string

Destroy model

$ rails destroy model User

DB migration

$ rails db:migrate

DB Rollback

$ rails db:rollback

DB rollback to version 0

$ rails db:migrate VERSION=0

Reset Database

$ rm -f development.sqlite3 the rails db:migrate

for pagination we need to add 2 gem

$ -> 1. gem 'will_paginate', '3.1.8'. 2. gem 'bootstrap-will_paginate', '1.0.0'

add a column admin to the users table

$ rails g migration add_admin_to_users admin:boolean

how to reset the DB

$ rails db:migrate:reset

generate model of Post

$ rails generate model Post content:text user:references

if we wants to retrive all post associated with user_id in reverse_order add below in migration

• add_index :posts, [:user_id, :created_at]

photo upload

$ rails active_storage:install

add migration

$ rails g migration add_activation_to_users activation_digest:string activated:boolean activated_at:datetime

Mailer template

$ rails g mailer UserMailer account_activation password_reset

rails routings

https://guides.rubyonrails.org/routing.html (include/extend in rails)

adding controller without test file

$ rails g controller PasswordResets new edit --no-test-framework

added reset migration

$ rails g migration add_reset_to_users reset_digest:string reset_sent_at:datetime

creating relationship and migration for followed and follower

$ rails g model Relationship follower_id:integer followed_id:integer