Module: ESA::Associations::FlagsExtension

Defined in:
app/models/esa/associations/flags_extension.rb

Instance Method Summary collapse

Instance Method Details

#is_set?(nature, time = Time.zone.now, exclude = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/esa/associations/flags_extension.rb', line 15

def is_set?(nature, time=Time.zone.now, exclude=nil)
  most_recent = most_recent(nature, time, exclude)
  if most_recent.present?
    most_recent.is_set? # return the set bit of this flag
  else
    false
  end
end

#most_recent(nature, time = Time.zone.now, exclude = nil) ⇒ Object 



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# File 'app/models/esa/associations/flags_extension.rb', line 4

def most_recent(nature, time=Time.zone.now, exclude=nil)
  query = where(nature: nature).
        where('esa_flags.time <= ?', time)

  if exclude.present?
    query = query.where('esa_flags.id not in (?)', exclude)
  end

  query.order('esa_flags.time DESC, esa_flags.created_at DESC').first
end

#transition_for(flag) ⇒ Object 



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# File 'app/models/esa/associations/flags_extension.rb', line 24

def transition_for(flag)
  if flag.state and not is_set?(flag.nature, flag.time, flag.id)
    1
  elsif not flag.state and is_set?(flag.nature, flag.time, flag.id)
    -1
  else
    0
  end
end