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This document explains the sync logic used in the trace mobile app.

Syncing in the trace mobile app is the process that updates the data between the trance mobile app and the trance backend. Since the app supports offline features we have to update new data from the app to the backend and vice versa.

Sync types

Sync types are defined with which types of data are syncing.

  1. Company details

  2. project details

  3. New farmers

  4. New cards

  5. Buy transactions

  6. Send transactions

  7. Transaction invoices

  8. Updated farmers

  9. Product list

  10. Buyer list

  11. Farmer list

  12. Transaction list

  13. Batch list

Sync variables

Sync variables are the redux variables used to track sync process and used as universal variables that can access anywhere from the app.

  • syncStage - current sync stage value - initial value is 0.

  • syncInProgress - boolean value show that syncing is on progress or not - initial value is false.

  • syncSuccessfull - boolean value show that current syncing is successfully completed not.

Sync stages

Syncing is done with 3 different stages.

  • Stage 1: Initial sync

  • Stage 2: Transaction sync

  • Stage 3: Normal sync

1. Initial sync

Initial sync is happens on onboarding screen and it starts after login and user details APIs.

When initial sync starts syncStage is updated to 1 and syncInProgress updated to true.

Initial sync starts from company details API and end on farmer list API. After initial sync user is user will get continue option on onboarding screen to go to home page.

Then syncStage is updated to 2, syncInProgress to false and, syncSuccessfull to true.

  1. Company details:

Fetching company details and updated the response in userCompanyDetails redux state.

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