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21 lines
486 B
Ruby
21 lines
486 B
Ruby
class AvatarLookup
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def initialize(user_ids=[])
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@user_ids = user_ids.tap(&:compact!).tap(&:uniq!).tap(&:flatten!)
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end
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# Lookup a user by id
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def [](user_id)
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users[user_id]
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end
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private
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def users
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@users ||= User.where(:id => @user_ids)
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.select([:id, :email, :username, :use_uploaded_avatar, :uploaded_avatar_template, :uploaded_avatar_id])
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.inject({}) do |hash, user|
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hash.merge({user.id => user})
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end
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end
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end
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