0032863: forbid to open two tabs in the same web browser with POS Terminal

Openbravo Issue Tracking System - Retail Modules

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Project

Category

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Date Submitted

Last Update

0032863

Retail Modules

Web POS

public

2016-05-04 17:26

2022-11-29 13:12

Reporter

malsasua

Assigned To

jorge-garcia

Priority

high

Severity

major

Reproducibility

always

Status

closed

Resolution

fixed

Platform

OS Version

Product Version

Target Version

Fixed in Version

Merge Request Status

Review Assigned To

marvintm

OBNetwork customer

Support ticket

Regression level

Regression date

Regression introduced in release

Regression introduced by commit

Triggers an Emergency Pack

Summary

0032863: forbid to open two tabs in the same web browser with POS Terminal

Description

if you open two tabs with POS terminal in the same browser, you can generate inconsistent data.

It should not be possible to open the two tabs or one message should be displayed when it happens.

It is possible although terminal authentication is enabled

Steps To Reproduce

in web POS:
. open tab1 URL:
https://livebuilds.openbravo.com/retail_pi_pgsql/web/org.openbravo.retail.posterminal/?terminal=VBS-1 [^]
. do login

. open a new tab, URL:
https://livebuilds.openbravo.com/retail_pi_pgsql/web/org.openbravo.retail.posterminal/?terminal=VBS-1 [^]
. do login

Proposed Solution

The main idea for the solution is to generate a unique id every time you access the application, save this id both in the local storage and in memory, and periodically compare both ids. If at some point these ids are different, it means that there has been a second version of the application opened in another tab.

So the changes necessary would be the following:
- When accessing the application, in ob-terminal-model, a unique random id should be generated. This id should be saved in the local storage, and in the terminal model itself (which is stored in memory).

- There should also be a periodic timeout (with reasonable interval, like 30 seconds), which compares the value of this id in the terminal object, with the one stored in local storage.

- If this timeout detects that the ids are different, then it needs to show a popup which should not be possible to close, and which explains to the user that there is already another tab open with the application.

It's very important to define a different id per application, because it should be possible to keep different applications open at the same time.

Additional Information