shanlalit

RailsConf 2017: In Relentless Pursuit of REST by Derek Prior

Slides : https://speakerdeck.com/derekprior/in-relentless-pursuit-of-rest Talk : https://www.youtube.com/watch?v=HctYHe-YjnE

• REST help rails growing

• More small things (small models, controllers, services, views...)

• [Anti-pattern] Custom actions

  • When having noun#verb_noun (users#edit_password, users#update_password) = Missing resource

shanlalit

var seneca = require('seneca')()

//send any actions it can not match locally out over the network
//Change 127.0.0.1 to server ip
seneca.client({host:'127.0.0.1'})

seneca.use('transport',{
    pins:[ {role:'math',cmd:'product'}  ]
})

shanlalit

# app/controllers/graphs_controller.rb
def show
  ...
  @presenter = GraphPresenters::LineGraphPresenter.new graph
end

shanlalit

Twitter Bootstrap Components Helper

Provides an accordion helper and a tabs helper

In your Gemfile:

gem 'bootstrap-components-helpers', :git => 'git://gist.github.com/2117187.git'

Accordion helper:

shanlalit

var express = require('express')
  , app = express.createServer()
  , io = require('socket.io').listen(app);


app.use(express.bodyParser());
app.listen(13002);

var connections = {}

shanlalit

Munin Passenger Plug-in Installation

Configure the passenger plug-ins according the the guide on http://www.alfajango.com/blog/how-to-monitor-your-railspassenger-app-with-munin/

NOTE: restart munin after implementing the following changes for Single-User RVM

sudo nano /etc/munin/plugin-conf.d/munin-node

[passenger_*]
user root

shanlalit

# config/initializers/carrierwave.rb
CarrierWave.configure do |config|
  config.grid_fs_database = "database_name"
  config.grid_fs_host = 'localhost'
  config.grid_fs_access_url = "/uploads"
  config.storage = :grid_fs
end

shanlalit

# To parse a tweet from twitter to get teh '@' , '#' and the text seperated
parsed_text = tweet.text.gsub(/ ?(@\w+)| ?(#\w+)/) { |a|  ((a.include?('#')) ? tags : replies) << a.strip.gsub(/#|@/,''); '' }

shanlalit

# crappy server implementation using technoweenie/oauth2 (server branch)
# http://github.com/technoweenie/oauth2/compare/master...server
#
#   ruby oauth2_example.rb -p 4568
#   ruby oauth2_example.rb
#   open http://localhost:4567/auth/facebook

require 'rubygems'
require 'sinatra'
require 'oauth2/client'

shanlalit

# [] - Eqauls to
# ^ - Not equals to
# =~ - LIKE
# >, >=, <, <= works as expected
#
# Examples :
#
# Item.where(:colour['Red'], :quanity > 10, :price <= 200)
# Post.where(:comments_count >= 1, :taggings_count < 5)
# User.where(:country ^ 'US') # Non american users