Reject same product
Add product number when same product is scaned
Reject scan only previous product, but not relabeled
Relabel scaned product
Rescane deleted product, but be bug when change pages
Merge to samescan-cancel branch
Debug subNumber,addNumber. Add 'barCode' to scaned products
Refactoring about barcode
Refactoring to modern code
Merge samescan-cancel