Sample code:
Apex Class:
public class MassApprovalController {
@AuraEnabled( cacheable = true )
public static List < MassApprovalWrapper > fetchPendingApprovalRecords() {
List < MassApprovalWrapper > listMAWs = new List < MassApprovalWrapper >();
Set < Id > setRecordIds = new Set < Id >();
List < ProcessInstanceWorkitem > listPIWs = [
SELECT Id, ActorId, ProcessInstance.Status, ProcessInstance.TargetObjectId,
ProcessInstance.TargetObject.Name, ProcessInstance.TargetObject.Type
FROM ProcessInstanceWorkitem
WHERE ActorId =: UserInfo.getUserId()
];
for ( ProcessInstanceWorkitem objPIW : listPIWs ) {
MassApprovalWrapper objMAW = new MassApprovalWrapper();
objMAW.PIWId = objPIW.Id;
objMAW.status = objPIW.ProcessInstance.Status;
objMAW.objectRecordId = objPIW.ProcessInstance.TargetObjectId;
objMAW.name = objPIW.ProcessInstance.TargetObject.Name;
objMAW.objType = objPIW.ProcessInstance.TargetObject.Type;
listMAWs.add( objMAW );
}
return listMAWs;
}
@AuraEnabled
public static String massApproveRecords( String selectedRows ) {
System.debug( 'Selected Rows ' + selectedRows );
String message = 'success';
Set < Id > recordIdsToApprove = new Set < Id >();
List < MassApprovalWrapper > listMAWs = ( List < MassApprovalWrapper > )JSON.deserialize( selectedRows, List < MassApprovalWrapper >.class );
List < Approval.ProcessWorkitemRequest > approvalRequests = new List < Approval.ProcessWorkitemRequest >();
for ( MassApprovalWrapper objMAW : listMAWs ) {
//recordIdsToApprove.add( objMAW.PIWId );
Approval.ProcessWorkitemRequest req = new Approval.ProcessWorkitemRequest();
req.setComments( 'Approving the Request' );
req.setAction( 'Approve' );
req.setWorkitemId( objMAW.PIWId );
approvalRequests.add( req );
}
try {
Approval.process( approvalRequests );
} catch ( Exception e ) {
message = 'error';
System.debug( 'Error is ' + e.getMessage() );
}
return message;
}
public class MassApprovalWrapper {
@AuraEnabled
public String PIWId;
@AuraEnabled
public String status;
@AuraEnabled
public String objectRecordId;
@AuraEnabled
public String name;
@AuraEnabled
public String objType;
}
}HTML:
<template>
<lightning-card>
<lightning-datatable
key-field="PIWId"
data={records}
columns={columns}
onrowselection={handleSelect}
onrowaction={handleRowAction}>
</lightning-datatable>
<p slot="footer">
<lightning-button label="Approve" variant="brand" onclick={approveRecords}></lightning-button>
</p>
</lightning-card>
</template>JavaScript:
import { LightningElement, wire, api } from 'lwc';
import fetchPendingApprovalRecords from '@salesforce/apex/MassApprovalController.fetchPendingApprovalRecords';
import massApproveRecords from '@salesforce/apex/MassApprovalController.massApproveRecords';
import { NavigationMixin } from 'lightning/navigation';
import { refreshApex } from '@salesforce/apex';
import { ShowToastEvent } from 'lightning/platformShowToastEvent';
const ACTIONS = [
{ label: 'View', name: 'view' }
];
const COLUMNS = [
{ label: 'Name', fieldName: 'name' },
{ label: 'Type', fieldName: 'objType' },
{ label: 'Status', fieldName: 'status' },
{
type: 'action',
typeAttributes: { rowActions: ACTIONS }
}
];
export default class MassApproval extends NavigationMixin( LightningElement ) {
records;
wiredRecords;
error;
columns = COLUMNS;
selectedRows;
@wire( fetchPendingApprovalRecords )
wiredAccount( value ) {
const { data, error } = value;
this.wiredRecords = value;
if ( data ) {
this.records = data;
console.log( 'Records are', JSON.stringify( this.records ) );
} else if ( error ) {
console.log( JSON.stringify( error ) );
this.records = undefined;
}
}
handleRowAction( event ) {
const row = event.detail.row;
console.log( 'Row is', JSON.stringify( row ) );
this[ NavigationMixin.Navigate ]( {
type: 'standard__recordPage',
attributes: {
recordId: row.objectRecordId,
actionName: 'view'
}
} );
}
handleSelect( event ) {
this.selectedRows = event.detail.selectedRows;
}
@api async approveRecords() {
console.log( 'Selected Rows are', JSON.stringify( this.selectedRows ) );
await massApproveRecords( { selectedRows: JSON.stringify( this.selectedRows ) } )
.then ( result => {
console.log( result );
if ( result == 'success' ) {
this.dispatchEvent(
new ShowToastEvent({
title: 'Approval',
message: 'Records are approved',
variant: 'success',
}),
);
} else {
this.dispatchEvent(
new ShowToastEvent({
title: 'Approval',
message: 'Some error occured. Please check with your system admin!',
variant: 'error',
}),
);
}
})
.catch( error => {
console.log( JSON.stringify( error ) );
});
refreshApex( this.wiredRecords );
}
}JS-meta.xml:
<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">
<apiVersion>52.0</apiVersion>
<isExposed>true</isExposed>
<targets>
<target>lightning__Tab</target>
</targets>
</LightningComponentBundle>Output:
