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August 29, 2015 14:01
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module UsersHelper | |
#Returns the Gravatar for the given user. | |
def gravatar_for(user, options = { size: 50 }) | |
gravatar_id = Digest::MD5::hexdigest(user.email.downcase) | |
size = options[:size] | |
gravatar_url = "https://secure.gravatar.com/avatar/#{gravatar_id}?s=#{size}" | |
image_tag(gravatar_url, alt: user.email, class: "img-responsive") | |
end | |
def show_rating_in_stars(rating) | |
rounded = (rating * 2).round / 2.0 | |
rounded = rounded.prettify | |
if rounded.is_a? Integer | |
num_stars = rounded | |
raw show_n_stars(num_stars) | |
else | |
num_stars = rounded.to_i | |
stars = show_n_stars(num_stars) + image_tag("star-half.png") | |
raw stars | |
end | |
end | |
def show_n_stars(n) | |
images = "" | |
n.times do | |
images += image_tag("star-on.png") | |
end | |
return images | |
end | |
end |
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