LWC Offline for Salesforce App Plus

Hi everyone, 

We are currently working on developing an offline-capable Lightning Web Component (LWC) that displays related records of Object A on the detail page of Object B. The goal is to ensure that users can view and interact with these related records even when they are not connected to the internet.

Approach 1: Using GraphQL

Initially, I explored using GraphQL to fetch the related records. However, I encountered performance issues when the number of records exceeded 10. The response times became noticeably slower, which is not ideal for an offline experience.

Approach 2: Implementing Cacheable Apex

To address the performance concerns, I transitioned to using a cacheable Apex method. This approach improved performance by leveraging client-side caching, allowing for faster data retrieval. However, I faced a new challenge when attempting to update records using the updateRecords function from Lightning Data Service (LDS).

Issue with updateRecords in Offline Mode

When operating in offline mode, I observed that only 1 or 2 related records were being updated, despite the intention to update all 4 related records. This inconsistency in behavior suggests that the updateRecords function may not be fully compatible with offline scenarios, possibly due to limitations in how LDS handles data synchronization when offline.

Request for Guidance

I am seeking advice on how to effectively implement offline support for updating related records in LWC. Specifically, I would appreciate insights into:

• Best practices for using LDS's updateRecords function in offline scenarios.
• Alternative approaches for updating related records offline, such as utilizing the Mobile SDK's entity framework for offline data management.
• Recommendations for ensuring data consistency and synchronization when transitioning between online and offline states.

Any guidance or resources you can provide would be greatly appreciated. 

Please let me know if codebase files are needed here.   

@Irfan Syed, @Adam Liechty, @Amber Craig, @Ashwin Nair, @Saket Agarwal

Hi Everyone, 

We have developed an LWC for View Account Record for Salesforce Offline Mobile and inside that LWC, we have given a button to basically create a record of Another Object. When we click on that button, a lightning-record-edit-form is displayed and inside that form, there are many lightning-input fields where the user can enter values to create record. 

Inside the lightning-record-edit-form, we are doing conditional rendering i.e based on the value that the user enters in a lightning-input picklist, we are displaying certain lightning-input fields. 

Now this whole thing is working smooth as butter when the App is in online mode. But when I go offline, i am getting certain errors. These errors are not persistent but occur randomly. What I am guessing is, after the records are synced, if we do a complete run through of the LWC in online mode, then it seems to work fine in offline but as I mentioned this is not the only scenario. 

So for some reason, LWC priming is not happening correctly because Records are getting synced and I am able to access them, So there must be some issue with the LWC but I'm unable to pin-point the issue. 

I have checked all the things like Briefcase Builder, Access to all the fields, Quick Actions etc and everything is done as per the Salesforce Mobile Offline documentation. 

Some Help here will be highly Appreciated ! 

Please Note:- For the Second Screenshot, The Error reads as 

"type: unspecified, message: /services/data/v63.0/ui-api/record-defaults/create/Object__c could not be reached"

Hi there, 

We are facing problems querying records that are cached but have never been accessed by the user while online. Currently, we are using GraphQL to retrieve the data. 

While offline, all records are accessible through the native "Offline Records" page. However, they are not accessible through the custom LWC, which uses GraphQL. 

What should we do to retrieve these cached (briefcase downloaded) and previously not accessed records using an LWC? 

-- 

Steps to reproduce: 

There is a custom object with three related records synchronized and accessible while offline. Those records were opened in the past while online.

Create a new related record on the desktop. Record RDM-80865 is created under its parent EDM-16645.

Step 3 

Synchronize the records on mobile. Records primed.

Turn off the connection and open the Parent Record (EDM-16645) through the LWC. The related records list does not load. Why?

Step 5 

While offline, the newly created record is accessible only through the Offline Records List (Briefcase). 

Doing that, users lose all the navigability benefits that a Lightning Web Component brings. In addition, it is challenging to search for records only using their auto-number naming.

-- 

Hi, there! 

Just got my scratch org set up for Offline Mode development, but running into an issue where the quick action for the offline view is namespaced, so the Offline App is not able to find the experience. Has anyone else encountered this issued?