kanbanworkflowstimelinescrumrubyroadmapproject-planningproject-managementopenprojectangularissue-trackerifcgantt-chartganttbug-trackerboardsbcf
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.9 KiB
85 lines
2.9 KiB
require 'digest/md5'
|
|
require 'cgi'
|
|
|
|
module GravatarHelper
|
|
|
|
# These are the options that control the default behavior of the public
|
|
# methods. They can be overridden during the actual call to the helper,
|
|
# or you can set them in your environment.rb as such:
|
|
#
|
|
# # Allow racier gravatars
|
|
# GravatarHelper::DEFAULT_OPTIONS[:rating] = 'R'
|
|
#
|
|
DEFAULT_OPTIONS = {
|
|
# The URL of a default image to display if the given email address does
|
|
# not have a gravatar.
|
|
:default => nil,
|
|
|
|
# The default size in pixels for the gravatar image (they're square).
|
|
:size => 50,
|
|
|
|
# The maximum allowed MPAA rating for gravatars. This allows you to
|
|
# exclude gravatars that may be out of character for your site.
|
|
:rating => 'PG',
|
|
|
|
# The alt text to use in the img tag for the gravatar. Since it's a
|
|
# decorational picture, the alt text should be empty according to the
|
|
# XHTML specs.
|
|
:alt => '',
|
|
|
|
# The class to assign to the img tag for the gravatar.
|
|
:class => 'gravatar',
|
|
|
|
# Whether or not to display the gravatars using HTTPS instead of HTTP
|
|
:ssl => false,
|
|
}
|
|
|
|
# The methods that will be made available to your views.
|
|
module PublicMethods
|
|
|
|
# Return the HTML img tag for the given user's gravatar. Presumes that
|
|
# the given user object will respond_to "email", and return the user's
|
|
# email address.
|
|
def gravatar_for(user, options={})
|
|
gravatar(user.email, options)
|
|
end
|
|
|
|
# Return the HTML img tag for the given email address's gravatar.
|
|
def gravatar(email, options={})
|
|
src = h(gravatar_url(email, options))
|
|
options = DEFAULT_OPTIONS.merge(options)
|
|
[:class, :alt, :size].each { |opt| options[opt] = h(options[opt]) }
|
|
"<img class=\"#{options[:class]}\" alt=\"#{options[:alt]}\" width=\"#{options[:size]}\" height=\"#{options[:size]}\" src=\"#{src}\" />"
|
|
end
|
|
|
|
# Returns the base Gravatar URL for the given email hash. If ssl evaluates to true,
|
|
# a secure URL will be used instead. This is required when the gravatar is to be
|
|
# displayed on a HTTPS site.
|
|
def gravatar_api_url(hash, ssl=false)
|
|
if ssl
|
|
"https://secure.gravatar.com/avatar/#{hash}"
|
|
else
|
|
"http://www.gravatar.com/avatar/#{hash}"
|
|
end
|
|
end
|
|
|
|
# Return the gravatar URL for the given email address.
|
|
def gravatar_url(email, options={})
|
|
email_hash = Digest::MD5.hexdigest(email)
|
|
options = DEFAULT_OPTIONS.merge(options)
|
|
options[:default] = CGI::escape(options[:default]) unless options[:default].nil?
|
|
returning gravatar_api_url(email_hash, options.delete(:ssl)) do |url|
|
|
opts = []
|
|
[:rating, :size, :default].each do |opt|
|
|
unless options[opt].nil?
|
|
value = h(options[opt])
|
|
opts << [opt, value].join('=')
|
|
end
|
|
end
|
|
url << "?#{opts.join('&')}" unless opts.empty?
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
end |