31 lines
568 B
Ruby
31 lines
568 B
Ruby
require_dependency 'distributed_cache'
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class Developer < ActiveRecord::Base
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belongs_to :user
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after_save :rebuild_cache
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after_destroy :rebuild_cache
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@id_cache = DistributedCache.new('developer_ids')
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def self.user_ids
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@id_cache["ids"] || rebuild_cache
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end
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def self.rebuild_cache
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@id_cache["ids"] = Set.new(Developer.pluck(:user_id))
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end
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def rebuild_cache
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Developer.rebuild_cache
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end
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end
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# == Schema Information
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#
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# Table name: developers
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#
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# id :integer not null, primary key
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# user_id :integer not null
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#
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