Method: Auth::Shopping::BarCode.clear_object

Defined in:
app/models/auth/shopping/bar_code.rb

.clear_object(assigned_to_object_id) ⇒ Object

tries to clear the assigned object id from the barcode record. if it returns null, then it will first check if any record exists, to which that object_id was assigned, if no record exists, returns true(because it means that this object id was already cleared from some barcode before.), on the other hand if some record is found, then returns false.



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# File 'app/models/auth/shopping/bar_code.rb', line 39

def self.clear_object(assigned_to_object_id)
	## we just do a find one and update
	begin
		returned_document = where(:assigned_to_object_id => assigned_to_object_id).find_one_and_update(
			{
				"$set" => {
					"assigned_to_object_id" => nil,
					"assigned_to_object_class" => nil
				}
			},
			{
				:return_document => :after
			}
		)
		true
	rescue
		doc_exists = where(:assigned_to_object_id => assigned_to_object_id).first
		return true unless doc_exists
		return false
	end
end