Module: Groupify::Mongoid::Group::ClassMethods

Defined in:
lib/groupify/adapter/mongoid/group.rb

Defined Under Namespace

Modules: MemberAssociationExtensions

Instance Method Summary collapse

Instance Method Details

#default_member_class ⇒ Object 



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# File 'lib/groupify/adapter/mongoid/group.rb', line 54

def default_member_class
  @default_member_class ||= User rescue false
end

#default_member_class=(klass) ⇒ Object 



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# File 'lib/groupify/adapter/mongoid/group.rb', line 58

def default_member_class=(klass)
  @default_member_class = klass
end

#has_members(name) ⇒ Object

Define which classes are members of this group



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# File 'lib/groupify/adapter/mongoid/group.rb', line 68

def has_members(name)
  klass = name.to_s.classify.constantize
  register(klass)
end

#member_classes ⇒ Object

Returns the member classes defined for this class, as well as for the super classes



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# File 'lib/groupify/adapter/mongoid/group.rb', line 63

def member_classes
  (@member_klasses ||= Set.new).merge(superclass.method_defined?(:member_classes) ? superclass.member_classes : [])
end

#merge!(source_group, destination_group) ⇒ Object

Merge two groups. The members of the source become members of the destination, and the source is destroyed.



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# File 'lib/groupify/adapter/mongoid/group.rb', line 74

def merge!(source_group, destination_group)
  # Ensure that all the members of the source can be members of the destination
  invalid_member_classes = (source_group.member_classes - destination_group.member_classes)
  invalid_member_classes.each do |klass|
    if klass.in(group_ids: [source_group.id]).count > 0
      raise ArgumentError.new("#{source_group.class} has members that cannot belong to #{destination_group.class}")
    end
  end

  source_group.member_classes.each do |klass|
    klass.in(group_ids: [source_group.id]).update_all(:$set => {:"group_ids.$" => destination_group.id})

    if klass.relations['group_memberships']
      if ::Mongoid::VERSION > "4"
        klass.in(:"group_memberships.group_ids" => [source_group.id]).add_to_set(:"group_memberships.$.group_ids" => destination_group.id)
        klass.in(:"group_memberships.group_ids" => [source_group.id]).pull(:"group_memberships.$.group_ids" => source_group.id)
      else
        klass.in(:"group_memberships.group_ids" => [source_group.id]).add_to_set(:"group_memberships.$.group_ids", destination_group.id)
        klass.in(:"group_memberships.group_ids" => [source_group.id]).pull(:"group_memberships.$.group_ids", source_group.id)
      end
    end
  end

  source_group.delete
end

#with_member(member) ⇒ Object 



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# File 'lib/groupify/adapter/mongoid/group.rb', line 50

def with_member(member)
  member.groups
end