Module: Lolita::Adapter::CommonHelper

Included in:
ActiveRecord, Mongoid
Defined in:
lib/lolita/adapter/common_helper.rb

Defined Under Namespace

Classes: PaginationBuilder, Record

Instance Method Summary collapse

Instance Method Details

#association_by_klass(given_klass) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 121

def association_by_klass(given_klass)
  associations.select{|name,association|
    association.klass == given_klass
  }.values.first
end

#associations_class_names ⇒ Object

Return all association class names



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# File 'lib/lolita/adapter/common_helper.rb', line 115

def associations_class_names
  self.associations.map{|name,association|
    association.class_name
  }
end

#by_id(id) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 138

def by_id(id)
  klass.where(klass.primary_key => id)
end

#filter(attributes = {}) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 127

def filter attributes={}
  klass.where(attributes.reject{|_,v| v.nil? || v.to_s == "" })
end

#find_by_id(id) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 142

def find_by_id(id)
  self.klass.unscoped.merge(by_id(id)).first
end

#paginate(page, per, options = {}) ⇒ Object

This method is used to paginate, main reason is for list and for index action. Method accepts three arguments page - page that should be shown (integer) per - how many records there should be in page options - Hash with optional information. By default, Lolita::Configuration::List passes request, with current request information. Also it passes :pagination_method that is used to detect if there is special method(-s) in model that should be used for creating page.



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# File 'lib/lolita/adapter/common_helper.rb', line 154

def paginate(page, per, options = {})
  pagination_builder = PaginationBuilder.new(self, page, per, options)
  pagination_builder.create_page
end

#record(orm_record) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 110

def record(orm_record)
  Record.new(self,orm_record)
end

#reflect_on_association(name) ⇒ Object

Detect if class reflect on association by name



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# File 'lib/lolita/adapter/common_helper.rb', line 132

def reflect_on_association(name)
  if orm_association = klass.reflect_on_association(name)
    self.class.const_get(:Association).new(orm_association,self)
  end
end

#set_state_for(record) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 173

def set_state_for(record)
  unless record.respond_to?(:read_state!)
    class << record

      def set_state(new_state)
        @state_set = true
        @state = new_state
      end

      def have_state?
        @state_set
      end

      def read_state!
        set_state :read
      end

      def create_state!
        set_state :create
      end

      def update_state!
        set_state :update
      end

      def state
        set_state(:read) unless @state
        @state
      end

      def in_read_state?
        state == :read
      end

      def in_create_state?
        state == :create
      end

      def in_update_state?
        state == :update
      end
    end
  end
  record
end

#switch_record_state(record, state = nil) ⇒ Object 



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# File 'lib/lolita/adapter/common_helper.rb', line 159

def switch_record_state(record, state = nil)
  set_state_for(record)
  if state
    record.send(:"#{state}_state!")
  elsif !record.have_state?
    if record.new_record?
      record.create_state!
    else
      record.update_state!
    end
  end
  record
end