Check digit logic in CRN for aramax

1. Objective (Problems and Goals)

• UI to add CRN series and option to add check digit logic there and delete the series

• save the check digit logic and whenever fetched during consignment creation need to use that logic

2. Initiation

3. Solution

• while fetching the virtual CRN we will add the suffix using check digit logic

• 1. Frontend to be made.
  2.Same api will be called which is used for reference number and series type would. be added to that

3.1 Schema Change

• while fetching the CRN through this function fetchAndCommitValidSeries we will add the suffix ( Using check digit logic if required ) in the fetched number and return it.

• In this file /DTDCVirtualSeriesStrategy.ts
  we will add logic to saveenableCheckDigitCalculation, checkDigitLogic in db for customer reference number.

3.2 Approach and Components

1. Approach:

2. Database Migration and Index Changes:

3. Org Config:

4. Code Writing Style:

5. API Documentation:

   1. Endpoint:

   2. Method:

   3. Fields/Payload:

   4. Response:

   5. Logic:

6. Assumptions:

3.2 Dev Test Cases

3.3 Impact Analysis

3.4 Security and Permissions

3.5 Notes (If any)