Module: MongoidExt::Voteable

Extended by:
ActiveSupport::Concern
Defined in:
lib/mongoid_ext/voteable.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#add_vote!(value, voter_id, &block) ⇒ Object 



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# File 'lib/mongoid_ext/voteable.rb', line 52

def add_vote!(value, voter_id, &block)
  if embedded?
    updates = {self.atomic_position+".votes_count" => 1,
               self.atomic_position+".votes_average" => value.to_i}
    if value == 1
      updates[self.atomic_position+".votes_up"] = 1
    elsif value == -1
      updates[self.atomic_position+".votes_down"] = 1
    end

    self._parent.increment(updates)
  else
    updates = {:votes_count => 1, :votes_average => value.to_i}
    if value == 1
      updates[:votes_up] = 1
    elsif value == -1
      updates[:votes_down] = 1
    end

    self.increment(updates)
  end

  block.call(value, :add) if block

  self.on_add_vote(value, voter_id) if self.respond_to?(:on_add_vote)
end

#remove_vote!(value, voter_id, &block) ⇒ Object 



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# File 'lib/mongoid_ext/voteable.rb', line 79

def remove_vote!(value, voter_id, &block)
  if embedded?
    updates = {self.atomic_position+".votes_count" => -1,
               self.atomic_position+".votes_average" => -value.to_i}
    if value == 1
      updates[self.atomic_position+".votes_up"] = -1
    elsif value == -1
      updates[self.atomic_position+".votes_down"] = -1
    end

    self._parent.increment(updates)
  else
    updates = {:votes_count => -1, :votes_average => -value}
    if value == 1
      updates[:votes_up] = -1
    elsif value == -1
      updates[:votes_down] = -1
    end

    self.increment(updates)
  end

  block.call(value, :remove) if block

  self.on_remove_vote(value, voter_id) if self.respond_to?(:on_remove_vote)
end

#vote!(value, voter_id, &block) ⇒ Object 



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# File 'lib/mongoid_ext/voteable.rb', line 22

def vote!(value, voter_id, &block)
  value = value.to_i
  voter_id = voter_id.to_s

  old_vote = self.votes[voter_id]
  if !old_vote
    self.votes[voter_id] = value
    if self.save
      add_vote!(value, voter_id, &block)
      return :created
    end
  else
    if(old_vote != value)
      self.votes[voter_id] = value
      if self.save
        self.remove_vote!(old_vote, voter_id, &block)
        self.add_vote!(value, voter_id, &block)

        return :updated
      end
    else
      self.votes.delete(voter_id)
      if self.save
        remove_vote!(value, voter_id, &block)
        return :destroyed
      end
    end
  end
end

#voted?(voter_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mongoid_ext/voteable.rb', line 14

def voted?(voter_id)
  if self[:votes] && !self[:votes].empty?
    self[:votes].include?(voter_id)
  else
    self.class.where({:_id => self.id, :"votes.#{voter_id}".exists => true}).exists?
  end
end