43 lines
975 B
Ruby
43 lines
975 B
Ruby
class Keystore < ActiveRecord::Base
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validates_presence_of :key
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attr_accessible nil
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def self.get(key)
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Keystore.find_by_key(key)
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end
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def self.put(key, value)
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Keystore.connection.execute("INSERT OR REPLACE INTO " <<
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"#{Keystore.table_name} (`key`, `value`) VALUES " <<
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"(#{q(key)}, #{q(value)})")
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true
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end
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def self.increment_value_for(key, amount = 1)
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self.incremented_value_for(key, amount)
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end
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def self.incremented_value_for(key, amount = 1)
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new_value = nil
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Keystore.connection.execute("INSERT OR REPLACE INTO " <<
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"#{Keystore.table_name} (`key`, `value`) VALUES " <<
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"(#{q(key)}, #{q(amount)})")
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return self.value_for(key)
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end
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def self.decrement_value_for(key, amount = -1)
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self.increment_value_for(key, amount)
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end
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def self.decremented_value_for(key, amount = -1)
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self.incremented_value_for(key, amount)
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end
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def self.value_for(key)
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self.get(key).try(:value)
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end
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end
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