Module: DynamicController::HelperMethods

Defined in:
lib/dynamic_controller/helper_methods.rb

Instance Method Summary collapse

Instance Method Details

#collection ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 16

def collection
  instance_variable_get("@#{controller_name}")
end

#collection=(value) ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 12

def collection=(value)
  instance_variable_set("@#{controller_name}", value)
end

#handle_error(error) ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 51

def handle_error(error)
  respond_to do |format|
    format.html { raise error }
    format.json { render json: error.message, status: :internal_server_error }
  end
end

#load_parent_models ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 28

def load_parent_models
  parent = nil
  self.class.parent_resources.each do |resource|
    if parent
      parent = parent.send(resource.children_name).find(params[resource.param_name])
    else
      parent = resource.find params[resource.param_name]
    end
    instance_variable_set resource.instance_variable_name, parent
  end
end

#model ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 24

def model
  instance_variable_get("@#{controller_name.singularize}")
end

#model=(value) ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 20

def model=(value)
  instance_variable_set("@#{controller_name.singularize}", value)
end

#model_extended_attributes ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 58

def model_extended_attributes
  resource_class.column_names | resource_class.reflections.map { |k, v| v.klass.column_names.map { |c| "#{k}_#{c}" } }.flatten
end

#parent_model ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 47

def parent_model
  (parent_models || []).last
end

#parent_models ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 40

def parent_models
  return nil if self.class.parent_resources.empty?
  self.class.parent_resources.map do |resource|
    instance_variable_get resource.instance_variable_name
  end
end

#resource_class ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 4

def resource_class
  @resource_class ||= (resource_namespace.to_s.split('::') << controller_name.classify).join('::').constantize
end

#resource_namespace ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 8

def resource_namespace
  self.class.to_s.deconstantize.constantize
end

#search_node_valid?(node, valid_attributes) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamic_controller/helper_methods.rb', line 75

def search_node_valid?(node, valid_attributes)
  return true unless node
  node.deep_symbolize_keys.each do |k, v|
    if k == :a
      return false unless valid_attributes.include?(v['0'.to_sym][:name])
    else
      if v.is_a?(Hash)
        return false unless search_node_valid?(v, valid_attributes)
      elsif v.is_a?(Array)
        v.select { |e| e.is_a?(Hash) }.each { |e| return false unless search_node_valid?(e, valid_attributes) }
      end
    end
  end
  true
end

#search_query ⇒ Object 



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# File 'lib/dynamic_controller/helper_methods.rb', line 62

def search_query
  params[:q].is_a?(String) ? NQL.to_ransack(params[:q]) : params[:q]
end

#search_query_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamic_controller/helper_methods.rb', line 66

def search_query_valid?
  begin
    search_node_valid? search_query, model_extended_attributes
  rescue NQL::InvalidExpressionError => ex
    Rails.logger.debug "Invalid search query: #{params[:q]} | Error: #{ex.message}"
    false
  end
end