carlosramireziii’s gists

carlosramireziii / allow_content_type.rb

Last active December 6, 2024 21:06

A validator and RSpec matcher for restricting an attachment’s content type using Active Storage

	require "rspec/expectations"

	RSpec::Matchers.define :allow_content_type do \|*content_types\|
	match do \|record\|
	matcher.matches?(record, content_types)
	end

	chain :for do \|attr_name\|
	matcher.for(attr_name)
	end

carlosramireziii / attached_validator.rb

Last active April 10, 2024 11:11

A validator and RSpec matcher for requiring an attachment using Active Storage

	class AttachedValidator < ActiveModel::EachValidator
	def validate_each(record, attribute, value)
	record.errors.add(attribute, :attached, options) unless value.attached?
	end
	end

carlosramireziii / clean_post.rb

Last active April 12, 2018 00:59

An example of using the Decorator pattern for filtering out profanity

	class CleanPost < SimpleDelegator
	def title
	# calling `super` here will return the value of the #title from the original object
	Profanity.filter(super)
	end
	end

	# usage
	unclean_post = Post.new(title: "foo BAD WORD bar")
	unclean_post.title # => "foo BAD WORD bar"

carlosramireziii / main.rb

Last active September 30, 2017 14:49

Maintaining different formats of an attribute for an ActiveRecord model

	# db/schema
	create_table "product_versions", force: true do \|t\|
	t.string "string"
	t.text "changelog_as_markdown"
	t.text "changelog_as_html" # OPTIONAL - used for caching in Options 2 & 3 below
	end

	# Option 1: calculate HTML version of the changelog on-the-fly
	class ProductVersion < ActiveRecord::Base
	def changelog_as_html

carlosramireziii / person.rb

Created September 27, 2017 01:13

Illustrating the need for using "self" when using a setter method within an instance

	class Person
	attr_accessor :name

	def rename(new_name)
	# creates a new local variable called `name` and sets its value to the variable `new_name`
	name = new_name

	# calls the `name=` method of the instance
	self.name = new_name #
	end

carlosramireziii / admin.html.erb

Last active May 19, 2021 17:53

"Best Practices For Building A Rails Admin Interface From Scratch" sample setup

	<% # app/views/layouts/admin.html.erb %>

	<!DOCTYPE html>
	<html>
	<head>
	<title>Admin Interface</title>
	<%= csrf_meta_tags %>

	<% # Optionally use admin-specific assets here instead of the normal application assets %>
	<%= stylesheet_link_tag 'admin', media: 'all', 'data-turbolinks-track': 'reload' %>

carlosramireziii / README.md

Created March 7, 2016 17:33 — forked from joshuaclayton/README.md

RSpec custom matchers for Segment.io tracking

These two matchers are referenced from the blog post Segment.io and Ruby.

carlosramireziii / pow_setup

Created February 13, 2012 15:16

Shows the steps to use 37signals's Pow rack server with the Powder gem

	# Install the powder gem
	gem install powder

	# Use the gem to install Pow itself
	powder install

	# Add a project to Pow
	cd <app-directory>
	powder link

carlosramireziii / html5-reset-sprite-issue.css

Created February 7, 2012 23:23

html5-reset sprite issue

	/* Responsive images and other embedded objects
	Note: keeping IMG here will cause problems if you're using foreground images as sprites.
	If this default setting for images is causing issues, you might want to replace it with a .responsive class instead. */
	img,
	object,
	embed {max-width: 100%;}

carlosramireziii / analytics_cookies.html.slim

Created January 3, 2012 20:59

Adding a cookie for Google Analytics to filter internal traffic in a Rails application

	doctype 5
	html
	head
	title Internal Traffic Cookie
	= csrf_meta_tags
	meta[name='robots' content='noindex']
	body onLoad="javascript:_gaq.push(['_setVar', 'do_not_track_internal_traffic']);"
	= yield

Carlos Ramirez III carlosramireziii