Class: ActsAsCaesar::MongoidPersistence

Inherits:
Object
  • Object
show all
Defined in:
lib/acts_as_caesar/services/mongoid_persistence.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, id) ⇒ MongoidPersistence

Returns a new instance of MongoidPersistence.



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# File 'lib/acts_as_caesar/services/mongoid_persistence.rb', line 10

def initialize(klass, id)
  @klass = klass
  @id = id
end

Class Method Details

.can_handle?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_as_caesar/services/mongoid_persistence.rb', line 4

def can_handle?(klass)
  defined?(Mongoid) && defined?(Mongoid::Document) &&
  klass.included_modules.include?(Mongoid::Document)
end

Instance Method Details

#candidate ⇒ Object 



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# File 'lib/acts_as_caesar/services/mongoid_persistence.rb', line 19

def candidate
  return @candidate if defined?(@candidate)
  
  relations = []
  klass = @klass
  
  # loop back through nesting, appending relations
  while (embedded_relations = klass.relations.select { |k,v| v.macro == :embedded_in }) && embedded_relations.size > 0
    relation = embedded_relations.values.first
    klass = relation.class_name.constantize
    relations << relation.inverse_of
  end
  
  # start at the root document
  scope = klass
  
  # for each nested relation
  while relation = relations.pop
    key = relation.to_s
    if relations.size > 0
      key += "."
      key += relations.reverse.join(".")
    end
    key += "._id"
    # append the condition
    scope = scope.where(key => BSON::ObjectId(@id)).first.send(relation)
  end
  
  # find the final object
  @candidate = scope.find(@id)
end

#update_score ⇒ Object 



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# File 'lib/acts_as_caesar/services/mongoid_persistence.rb', line 15

def update_score
  candidate.update_attribute(:score, candidate.total_candidate_score)
end