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 Classes: AbstractObject

Constant Summary collapse

STRING_TYPE_COLUMN_NAMES = 
[:name, :title, :subject]
DISABLED_COLUMN_TYPES = 
['Range']
ObjectId = 
(::Mongoid::VERSION >= '3' ? ::Moped::BSON::ObjectId : ::BSON::ObjectId)

Instance Method Summary collapse

Instance Method Details

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



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# File 'lib/rails_admin/adapters/mongoid.rb', line 37

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]
  if options[:page] && options[:per]
    scope = scope.send(Kaminari.config.page_method_name, options[:page]).per(options[:per])
  end
  scope = sort_by(options, scope) if options[:sort]
  scope
end

#associations ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 63

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),
      :foreign_inverse_of => association_foreign_inverse_of_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 51

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 55

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 141

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 137

def encoding
  'UTF-8'
end

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



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# File 'lib/rails_admin/adapters/mongoid.rb', line 33

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 16

def get(id)
  begin
    AbstractObject.new(model.find(id))
  rescue => e
    if ['BSON::InvalidObjectId', 'Mongoid::Errors::DocumentNotFound',
        'Mongoid::Errors::InvalidFind', 'Moped::Errors::InvalidObjectId'].include? e.class.to_s
      nil
    else
      raise e
    end
  end
end

#new(params = {}) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 12

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

#object_id_from_string(str) ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 145

def object_id_from_string(str)
  ObjectId.from_string(str)
end

#primary_key ⇒ Object 



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

def primary_key
  '_id'
end

#properties ⇒ Object 



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# File 'lib/rails_admin/adapters/mongoid.rb', line 83

def properties
  fields = model.fields.reject{|name, field| DISABLED_COLUMN_TYPES.include?(field.type.to_s) }
  fields.map do |name,field|
    ar_type = {
      "Array"          => { :type => :serialized },
      "BigDecimal"     => { :type => :decimal },
      "Boolean"        => { :type => :boolean },
      "BSON::ObjectId" => { :type => :bson_object_id, :serial? => (name == primary_key) },
      "Moped::BSON::ObjectId" => { :type => :bson_object_id, :serial? => (name == primary_key) },
      "Date"           => { :type => :date },
      "DateTime"       => { :type => :datetime },
      "Float"          => { :type => :float },
      "Hash"           => { :type => :serialized },
      "Integer"        => { :type => :integer },
      "Object"         => (
        if associations.find{|a| a[:type] == :belongs_to && a[:foreign_key] == name.to_sym}
          { :type => :bson_object_id }
        else
          { :type => :string, :length => 255 }
        end
      ),
      "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 }
        end
      ),
      "Symbol"         => { :type => :string, :length => 255 },
      "Time"           => { :type => :datetime },
    }[field.type.to_s] or raise "Need to map field #{field.type.to_s} for field name #{name} in #{model.inspect}"

    {
      :name => field.name.to_sym,
      :length => nil,
      :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 29

def scoped
  model.scoped
end

#serialized_attributes ⇒ Object 



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

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 127

def table_name
  model.collection_name.to_s
end