Module: Mongoid::DSL::Document::Extend

Defined in:
lib/mongoid-dsl/monkey.rb

Instance Method Summary collapse

Instance Method Details

#__query_wrapper(*args) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 267

def __query_wrapper(*args)

  # defaults
  begin
    return_data= nil
    # params field
    field_hash= Hash.new
    # models
    models_container= Array.new
    # mother model
    mother_model= nil
    # method_to_use
    method_to_use= Hash.new

    args.each do |one_argument|
      case true

        when one_argument.class <= String
          begin
            field_hash['_id']= Moped::BSON::ObjectId.from_string(one_argument)
          rescue
            begin
              models_container.push one_argument.constantize
            rescue NameError
              #method_to_use= one_argument
            end
          end

        when one_argument.class <= Hash
          begin
            one_argument.each do |key,value|
              if key.to_s == '_id'
                field_hash['_id']= Moped::BSON::ObjectId.from_string(value.to_s)
              else
                field_hash[key]=value
              end
            end
          end

        when one_argument.class <= Class
          models_container.push one_argument

        when one_argument.class <= Array
          method_to_use= one_argument

      end
    end

  end

  # mother model find, and path generate
  begin

    full_path   = self._get_class_path(*models_container)  || Array.new.push(self)
    mother_model= full_path.shift

    full_path.count.times do |index|
      full_path[index]= full_path[index].convert_model_name
    end

  end

  # path trim
  begin

    deep_level = (full_path.count) || 0
    chains = full_path

    if !full_path.nil? && !full_path.empty?
      full_path= full_path.join('.')+'.'
    else
      full_path= String.new
    end

  end

  # start query
  begin

    # build app query args
    begin

      gen_field_hash= lambda { |query_hash,*pre_path_elements|
        query_fields= Hash.new()

        full_path_str= nil
        if !pre_path_elements.empty? && !pre_path_elements.nil?
          full_path_str= pre_path_elements.join('.')+'.'
        else
          full_path_str= ""
        end

        return query_hash.map_hash { |key,value|
          { "#{full_path_str}#{key}" => value }
        }


      }

      query_fields= gen_field_hash.call field_hash, *chains

    end

    # do query ask from db
    begin
      if method_to_use[1][:arguments?]
        query_data = mother_model.__send__(
            method_to_use[0].to_s,
            query_fields)
      else
        query_data = mother_model.__send__(
            method_to_use[0].to_s)
      end
    end

    # return data level
    begin

      if deep_level == 0
        return_data=query_data
      else

        # go down for embeds docs
        begin

          last_round   = (chains.count-1)
          map_object   = query_data
          return_array = [] #> Mongoid::Criteria.new
          chains.count.times do |deepness|
            begin
              children = Array.new
              if map_object.class == Array || map_object.class == Mongoid::Criteria

                map_object.each do |one_element_of_the_map_array|
                  subclass_data = one_element_of_the_map_array.__send__(chains[deepness])
                  if subclass_data.class <= Array || subclass_data.class <= Mongoid::Criteria
                    subclass_data.each do |one_element_of_tmp_children|
                      if deepness < last_round
                        children.push one_element_of_tmp_children
                      else
                        return_array.push one_element_of_tmp_children
                      end
                    end
                  else
                    if deepness < last_round
                      children.push subclass_data
                    else
                      return_array.push subclass_data
                    end
                  end
                end

              else
                subclass_data = map_object.__send__(chains[deepness])
                if subclass_data.class == Array || subclass_data.class == Mongoid::Criteria
                  subclass_data.each do |one_element_of_tmp_children|
                    if deepness < last_round
                      children.push one_element_of_tmp_children
                    else
                      return_array.push one_element_of_tmp_children
                    end
                  end
                else
                  if deepness < last_round
                    children.push subclass_data
                  else
                    return_array.push subclass_data
                  end
                end
              end
              map_object=children.uniq
            rescue NoMethodError => ex
              STDERR.puts(ex)
            end
          end

          return_data= return_array

        end
      end
    end

    # trim not used class
    if method_to_use[1][:arguments?]

      tmp_array= []
      return_data.map! { |one_element|

        tmp_hash= one_element.convert_to_hash#instance_variables.each{ |var| tmp_hash[var.to_s.delete("@")] = one_element.instance_variable_get(var) }

        if tmp_hash["attributes"].deep_include?(field_hash) || tmp_hash["attributes"].deep_include?(field_hash.map_hash{|k,v|[k.to_s,v]})
          one_element
        else
          nil
        end

      }.compact!

    end


  end

  return return_data

end

#_all(*args) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 477

def _all(*args)
  self.__query_wrapper(['all',{:arguments? => false}],*args)
end

#_find(target_id) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 481

def _find(target_id)
  return self._where(
      '_id' => Moped::BSON::ObjectId.from_string(target_id.to_s)
  )[0]
end

#_find_by(*args) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 486

def _find_by(*args)
  return self._where(*args).first
end

#_get_class_path(*included) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 123

def _get_class_path(*included)

  # create defaults
  begin
    return_array= Array.new()
    check_list= Array.new#.push(self.to_s)
    relations_hash = Hash.new()
    #chains= Hash.new
    chains= Array.new
  end

  # get parents for every participants
  begin
    models_to_check = Array.new.push self
    loop do
      tmp_array = Array.new
      break if models_to_check.empty?
      models_to_check.each do |one_models_element|
        begin
          one_models_element.parents.each do |one_parent_in_underscore|
            parent_model= one_parent_in_underscore.convert_model_name
            tmp_array.push parent_model if !relations_hash.keys.include?(parent_model)
            relations_hash[one_models_element] ||= Array.new
            relations_hash[one_models_element].push parent_model
          end
        rescue NoMethodError
          #next
        end
      end
      models_to_check= tmp_array
    end
    models_to_check.clear
  end

  # make connections from relation pairs
  begin

    # generate pre path chains
    # minden egyes szulo,s szulo szulo elemen egyesevel menj vegig (csak elso elemet vizsgalva) es ahol tobb mint egy elem talalhato azt torold
    # igy legkozelebb az mar nem lesz lehetseges utvonal, ahol pedig mindenhol csak 1 elem volt  ott ellenorzid
    # hogy mar megtalalt sorrol van e szo, s ha igen torold a relations_hash[self] ből ezt a szulot (2. elem a path ban)
    # the goal is to get every 1 element from sub arrays

    begin
      available_paths= Array.new
      return nil if relations_hash[self].nil?
      loop do

        # defaults
        begin
          next_element_to_find  = self
          delete_element        = Hash.new
          one_chain             = Array.new
        end

        # chain element builder
        begin
          loop do
            if !relations_hash[next_element_to_find].nil? && relations_hash[next_element_to_find] != Array.new

              one_chain.push(relations_hash[next_element_to_find][0])
              if relations_hash[next_element_to_find].count > 1
                delete_element       = Hash.new
                delete_element[next_element_to_find]= relations_hash[next_element_to_find][0]
              end

              next_element_to_find= relations_hash[next_element_to_find][0]
            else
              break
            end
          end
        end

        # remove already checked tree
        begin
          if delete_element != Hash.new
            relations_hash[delete_element.keys[0]].delete_at(
                relations_hash[delete_element.keys[0]].index(
                    delete_element[delete_element.keys[0]]))
            delete_element= Hash.new
          end
        end

        # add new element to chains
        begin
          unless chains.include? one_chain
            chains.push one_chain
          else
            break
          end
        end
      end

    end

  end

  # after format and check params for contains
  begin

    # pre chains trim
    begin

      tmp_array= Array.new
      chains.each do |one_element|
        if !one_element.contain?(included)
          tmp_array.push one_element
        end
      end
      tmp_array.each do |one_element_to_delete|
        chains.delete_at(chains.index(one_element_to_delete))
      end

    end

    # choose the shortest path
    begin
      chain_list_max_count= nil
      chains.each do |one_chain_list|
        counter= one_chain_list.count
        chain_list_max_count ||= (counter+1)
        if counter < chain_list_max_count
          return_array= one_chain_list
          counter= chain_list_max_count
        end
      end
    end

    # reverse array
    begin
      return_array.reverse!
    end

    # add new element as self for first
    begin
      return_array.push self
    end


  end

  return return_array
end

#_where(*args) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 474

def _where(*args)
  self.__query_wrapper(['where',{:arguments? => true}],*args)
end

#documents ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 8

def documents

      exceptions= %w[
    Mongoid::Relations::Embedded::In
    Mongoid::Relations::Referenced::In
  ]

  return_array = Array.new
  self.relations.each do |model_name,module_propertys|
    if !exceptions.include?(module_propertys[:relation].to_s)
      return_array.push model_name
    end
  end

  return return_array
rescue Exception
  return []

end

#parents ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 87

def parents
  begin

    exceptions= %w[
  Mongoid::Relations::Embedded::In
]

    return_array = Array.new
    self.relations.each do |model_name,module_propertys|
      if exceptions.include?(module_propertys[:relation].to_s)
        return_array.push model_name
      end
    end
    return return_array

  end
end

#properties ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 77

def properties

  hash_data = Hash.new
  self.fields.each do |key,value|
    hash_data[value.name]=value.options[:type]
  end
  return hash_data

end

#references ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 104

def references
  begin

    exceptions= %w[
  Mongoid::Relations::Referenced::In
  Mongoid::Relations::Referenced::ManyToMany
]

    return_array = Array.new
    self.relations.each do |model_name,module_propertys|
      if exceptions.include?(module_propertys[:relation].to_s)
        return_array.push model_name
      end
    end
    return return_array

  end
end

#relation_connection_type(to_model) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 28

def relation_connection_type(to_model)
  begin

    return_none= "Mongoid::Relations::None"
    return_self= "Mongoid::Relations::Self"

    if to_model.nil?
      return return_none
    end

    if self.to_s == to_model.to_s
      return return_self
    end

    relation_type_data= self.reflect_on_association(to_model.convert_model_name)

    if relation_type_data.nil?
      return return_none
    else
      return relation_type_data[:relation].to_s
    end

  end
end

#relation_from?(klass) ⇒ Boolean

> [:none,:self,:one,:many]

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/mongoid-dsl/monkey.rb', line 497

def relation_from?(klass)
  raise(ArgumentError,"obj must be class: #{klass}") unless klass <= Class
  return self.reverse_relation_conn_type(klass).to_s.downcase.split('::').last.to_sym
end

#relation_to?(klass) ⇒ Boolean

> [:none,:self,:one,:many]

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/mongoid-dsl/monkey.rb', line 491

def relation_to?(klass)
  raise(ArgumentError,"obj must be class: #{klass}") unless klass <= Class
  return self.relation_connection_type(klass).to_s.downcase.split('::').last.to_sym
end

#reverse_relation_conn_type(from_model) ⇒ Object 



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# File 'lib/mongoid-dsl/monkey.rb', line 52

def reverse_relation_conn_type(from_model)
  begin

    return_none= "Mongoid::Relations::None"
    return_self= "Mongoid::Relations::Self"

    if from_model.nil?
      return return_none
    end

    if self.to_s == from_model.to_s
      return return_self
    end

    relation_type_data= from_model.reflect_on_association(self.convert_model_name)

    if relation_type_data.nil?
      return return_none
    else
      return relation_type_data[:relation].to_s
    end

  end
end