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Contents
module PersonalizationHelper
DEFAULT_USER_ATTRIBUTES = ['full_name', 'affiliation', 'photo']
# Helper methods to retrieve information from the user attributes
#
# == get_full_name_from_login
#
# Given a login, returns a string concatenating first_name and last_name
#
# == get_affiliation_from_login
#
# Given a login, returns a string
#
# == get_photo_from_login
#
# Given a login, returns a string representing either a path or a url pointing to an image file
DEFAULT_USER_ATTRIBUTES.each do |m|
class_eval <<-EOC
def #{m}_from_login login
get_user_attribute(login, '#{m}')
end
EOC
end
# Creates an image tag with the user#photo attribute as the source
# @param [string] login the login of the user
# @return an html image tag or an empty string
def user_photo_tag login
path = photo_from_login login
path == "" ? "" : image_tag(path)
end
private
# Retrieves an attribute from the user
# @param [string] login the login of the user
# @param [string] the name of the attribute: out of the box values are first_name, last_name, full_name, affiliation, and photo
def get_user_attribute login, attribute
user = User.find_by_login(login)
user.nil? ? "" : user.send(attribute.to_sym)
end
end
Version data entries
10 entries across 10 versions & 1 rubygems