Module: BarkestCore::UsersHelper

Defined in:
app/helpers/barkest_core/users_helper.rb

Overview

This module adds helper methods related to users in general (not just the current user).

Based on the tutorial from [www.railstutorial.org](www.railstutorial.org).

Instance Method Summary collapse

Instance Method Details

#gravatar_for(user, options = {}) ⇒ Object

Returns the Gravatar for the given user.

Based on the tutorial from [www.railstutorial.org](www.railstutorial.org).

The user is the user you want to get the gravatar for.

Valid options:

  • size The size (in pixels) for the returned gravatar. The gravatar will be a square image using this value as both the width and height. The default is 80 pixels.

  • default The default image to return when no image is set. This can be nil, :mm, :identicon, :monsterid, :wavatar, or :retro. The default is :identicon.



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# File 'app/helpers/barkest_core/users_helper.rb', line 21

def gravatar_for(user, options = {})
  options = { size: 80, default: :identicon }.merge(options || {})
  options[:default] = options[:default].to_s.to_sym unless options[:default].nil? || options[:default].is_a?(Symbol)
  gravatar_id = Digest::MD5::hexdigest(user.email.downcase)
  size = options[:size]
  default = [:mm, :identicon, :monsterid, :wavatar, :retro].include?(options[:default]) ? "&d=#{options[:default]}" : ''
  gravatar_url = "https://secure.gravatar.com/avatar/#{gravatar_id}?s=#{size}#{default}"
  image_tag(gravatar_url, alt: user.name, class: 'gravatar', style: "width: #{size}px, height: #{size}px")
end