maanavshah/library-management

Library Management System - Ruby on Rails

library-management

Library Management System - Ruby on Rails

Features

• Signup/Login users
• Books CRUD
• Mail book details to user (Async)
• Subject-wise Categorization of Books

Gems

• Carrierwave
• mini_magick
• file_validators
• devise
• sidekiq

Installation

    git clone http://www.github.com/maanavshah/library-management

    cd library-management

    bundle install

    rake db:create

    rake db:migrate

    rails s

Usage

1. Create project:

    $ rails new library-management

2. Setup Postgres

• Create a postgres user

    $ sudo -u postgres createuser maanavshah -s

• Login to psql

    $ sudo -u postgres psql

• Set user's password

    \password maanavshah

• Add the following line to gemfile

    gem 'pg'

• Update the database.yml for postgres

• Setup library-management database

    $ rake db:create
    $ rake db:migrate

3. Generate Book and Subject model

    $ rails generate model Book
    $ rails generate model Subject

4. Generate Book and Subject migration

    $ rails generate migration books
    $ rails generate migration subjects

    $ rails db:migrate

5. Generate controller

    $ rails generate controller Book

6. Add Carrierwave for image storage

https://code.tutsplus.com/articles/uploading-with-rails-and-carrierwave--cms-28409

    $ rails generate uploader Image

    $ rails generate migration add_image_to_books image:string

    $ rake db:migrate

7. Add Minimagic to generate thumbnail and support carrierwave

If images are already uploaded then run:

    $ rails c

    Book.find_each {|book| book.image.recreate_versions!(:thumb) if book.image?}

8. Adding Devise and User

https://guides.railsgirls.com/devise

    $ bundle install
    $ rails g devise:install

Ensure you have defined default url options in your environments files. Open up config/environments/development.rb and add this line:

   config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }

    $ rails g devise user
    $ rails db:migrate

9. Add ActionMailer

    $ rails generate mailer UserMailer

10. Sidekiq with ActionMailer

https://gist.github.com/maxivak/690e6c353f65a86a4af9

You can create environment variables using:

http://railsapps.github.io/rails-environment-variables.html

Heroku Deployment

https://devcenter.heroku.com/articles/getting-started-with-rails5

1. Login heroku

   heroku login
   

2. Add heroku remote library-management

   heroku git:remote -a library-management-7
   

3. Push code heroku master

   git push heroku master
   

4. Add postgresql addon to heroku

   heroku addons:create heroku-postgresql:hobby-dev
   

5. Rake setup (No need for rake db:create)

   heroku run rake db:migrate
   

6. Add environment variables GMAIL

   heroku config:add GMAIL_USERNAME=replymailer7@gmail.com
   heroku config:add GMAIL_PASSWORD=maanavshah@123
   

7. Scale Web application

   heroku ps:scale web=1
   

8. Open website in browser

   heroku open
   

9. Check Logs

    heroku logs
    heroku logs --tail
   

10. Bundle rails console and sidekiq

    heroku run bundle exec rails c
    heroku run bundle exec sidekiq
    

Gem alternatives

• devise - JWT (authentication and authorization)
• god - track sidekiq/nginx if disabled, then automatically re-enable
• foundation - bootstrap
• scss - sass mixin
• carrierwave - ActiveStorage
• state-machine
• kaminari
• turbolinks
• jbuilder