class Carte::Server::Models::Card
Public Class Methods
random()
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# File lib/carte/server/models/card.rb, line 48 def self.random self.near(random_point: [Random.rand, 0]) end
Public Instance Methods
lefts(size, context=:created_at)
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# File lib/carte/server/models/card.rb, line 52 def lefts(size, context=:created_at) result = Card.lt(context => self.send(context)).limit(size).to_a shortage = size - result.size if shortage > 0 addition = self.class.lte(context => Card.max(context)).gt(context => self.send(context)).limit(shortage).to_a result = addition + result end result end
rights(size, context=:created_at)
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# File lib/carte/server/models/card.rb, line 62 def rights(size, context=:created_at) result = self.class.gt(context => self.send(context)).limit(size).to_a shortage = size - result.size if shortage > 0 addition = self.class.gt(context => 0).lt(context => self.send(context)).limit(shortage).to_a result = result + addition end result end
version()
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# File lib/carte/server/models/card.rb, line 33 def version self.histories.size + 1 end