Module: RailsAdmin::Adapters::Mongoid

Defined in:
lib/rails_admin/adapters/mongoid.rb,
lib/rails_admin/adapters/mongoid/extension.rb,
lib/rails_admin/adapters/mongoid/abstract_object.rb

Defined Under Namespace

Modules: Extension, NestedAttributesExtension Classes: AbstractObject

Constant Summary collapse

STRING_TYPE_COLUMN_NAMES = 
[:name, :title, :subject]

Instance Method Summary collapse

Instance Method Details

#all(options = {}, scope = nil) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 30

def all(options = {},scope=nil)
  scope ||= self.scoped
  scope = scope.includes(options[:include]) if options[:include]
  scope = scope.limit(options[:limit]) if options[:limit]
  scope = scope.any_in(:_id => options[:bulk_ids]) if options[:bulk_ids]
  scope = scope.where(query_conditions(options[:query])) if options[:query]
  scope = scope.where(filter_conditions(options[:filters])) if options[:filters]
  scope = scope.page(options[:page]).per(options[:per]) if options[:page] && options[:per]
  scope = if options[:sort] && options[:sort_reverse]
    scope.desc(options[:sort])
  elsif options[:sort]
    scope.asc(options[:sort])
  else
    scope
  end
end

#associations ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 59

def associations
  model.associations.values.map do |association|
    {
      :name => association.name.to_sym,
      :pretty_name => association.name.to_s.tr('_', ' ').capitalize,
      :type => association_type_lookup(association.macro),
      :model_proc => Proc.new { association_model_proc_lookup(association) },
      :primary_key_proc => Proc.new { association_primary_key_lookup(association) },
      :foreign_key => association_foreign_key_lookup(association),
      :foreign_type => association_foreign_type_lookup(association),
      :as => association_as_lookup(association),
      :polymorphic => association_polymorphic_lookup(association),
      :inverse_of => association_inverse_of_lookup(association),
      :read_only => nil,
      :nested_form => association_nested_attributes_options_lookup(association)
    }
  end
end

#count(options = {}, scope = nil) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 47

def count(options = {},scope=nil)
  all(options.merge({:limit => false, :page => false}), scope).count
end

#destroy(objects) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 51

def destroy(objects)
  Array.wrap(objects).each &:destroy
end

#embedded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_admin/adapters/mongoid.rb', line 131

def embedded?
  @embedded ||= !!model.associations.values.find{|a| a.macro.to_sym == :embedded_in }
end

#encoding ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 127

def encoding
  'UTF-8'
end

#first(options = {}, scope = nil) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 26

def first(options = {},scope=nil)
  all(options, scope).first
end

#get(id) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 14

def get(id)
  if object = model.where(:_id=>BSON::ObjectId(id)).first
    AbstractObject.new object
  else
    nil
  end
end

#new(params = {}) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 10

def new(params = {})
  AbstractObject.new(model.new)
end

#primary_key ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 55

def primary_key
  :_id
end

#properties ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 78

def properties
  @properties if @properties
  @properties = model.fields.map do |name,field|
    ar_type =
      if name == '_type'
        { :type => :mongoid_type, :length => 1024 }
      elsif field.type.to_s == 'String'
        if (length = length_validation_lookup(name)) && length < 256
          { :type => :string, :length => length }
        elsif STRING_TYPE_COLUMN_NAMES.include?(name.to_sym)
          { :type => :string, :length => 255 }
        else
          { :type => :text, :length => nil }
        end
      else
        {
          "Array"          => { :type => :serialized, :length => nil },
          "BigDecimal"     => { :type => :string, :length => 1024 },
          "Boolean"        => { :type => :boolean, :length => nil },
          "BSON::ObjectId" => { :type => :bson_object_id, :length => nil },
          "Date"           => { :type => :date, :length => nil },
          "DateTime"       => { :type => :datetime, :length => nil },
          "Float"          => { :type => :float, :length => nil },
          "Hash"           => { :type => :serialized, :length => nil },
          "Integer"        => { :type => :integer, :length => nil },
          "Time"           => { :type => :datetime, :length => nil },
          "Object"         => { :type => :bson_object_id, :length => nil },
        }[field.type.to_s] or raise "Need to map field #{field.type.to_s} for field name #{name} in #{model.inspect}"
      end

    {
      :name => field.name.to_sym,
      :pretty_name => field.name.to_s.gsub('_', ' ').strip.capitalize,
      :nullable? => true,
      :serial? => false,
    }.merge(ar_type)
  end
end

#scoped ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 22

def scoped
  model.scoped
end

#serialized_attributes ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 121

def serialized_attributes
  # Mongoid Array and Hash type columns are mapped to RA serialized type
  # through type detection in self#properties.
  []
end

#table_name ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 117

def table_name
  model.collection.name
end