22 lines
611 B
Ruby
22 lines
611 B
Ruby
# -*- encoding : utf-8 -*-
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module UsersHelper
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def avatar_url_by_email(email, size = :small)
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avatar_url(User.where(:email => email).first || User.new(:email => email), size)
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end
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def avatar_url(subject, size = :small)
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if subject.try('avatar?')
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subject.avatar.url(size)
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elsif subject.kind_of? Group
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image_path('ava-big.png')
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else
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gravatar_url(subject.email, subject.avatar.styles[size].geometry.split('x').first)
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end
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end
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def gravatar_url(email, size = 30)
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"https://secure.gravatar.com/avatar/#{Digest::MD5.hexdigest(email.downcase)}?s=#{size}&r=pg"
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end
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end
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