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35 lines
584 B
Ruby
35 lines
584 B
Ruby
class AvatarLookup
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def initialize(user_ids)
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@user_ids = user_ids
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@user_ids.flatten!
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@user_ids.compact! if @user_ids.present?
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@user_ids.uniq! if @user_ids.present?
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@loaded = false
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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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ensure_loaded!
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@users_hashed[user_id]
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end
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protected
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def ensure_loaded!
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return if @loaded
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@users_hashed = {}
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# need email for hash
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User.where(id: @user_ids).select([:id, :email, :email, :username]).each do |u|
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@users_hashed[u.id] = u
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end
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@loaded = true
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end
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end
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