⚡ Mass Update Panel for Salesforce LWC

Reusable Lightning Web Component for bulk updating records with field-type-aware inputs, mandatory confirmation, partial success reporting, and one-click rollback support.

📖 Project Overview

Mass Update Panel is a reusable Salesforce Lightning Web Component that allows users to update a single field across multiple records simultaneously.

The solution includes a guided workflow with row selection, dynamic field configuration, update preview, confirmation dialog, partial success handling, and rollback functionality.

Built using Lightning Web Components, Apex, and Salesforce security best practices, this component helps administrators and users perform safe bulk updates directly from Lightning Experience.

🔗 View Source Code ⬇ Download ZIP

✨ Key Features

Feature	Description
Multi-Record Selection	Supports checkbox-based bulk row selection.
Dynamic Input Types	Automatically renders controls based on Salesforce field type.
Preview Before Update	Displays selected field and new value before DML execution.
Confirmation Modal	Mandatory confirmation step before updating records.
Partial Success Handling	Supports allOrNone=false and displays failed records.
Rollback Support	Restore original values with one click.
Security Enforcement	CRUD/FLS validation using Security.stripInaccessible.
Zero Dependencies	Pure Apex, LWC, and SLDS implementation.

🏗 Architecture

Host Page / Lightning App
            │
            ▼
     massUpdatePanel
            │
 ┌──────────┼───────────┐
 │          │           │
 ▼          ▼           ▼
Datatable  Field Picker  Preview Bar
            │
            ▼
 massUpdateConfirmModal
            │
            ▼
MassUpdateController.cls
            │
 ┌──────────┼───────────┐
 │          │           │
 ▼          ▼           ▼
getRecords() massUpdate() rollbackUpdate()
            │
            ▼
Salesforce Database

📁 Project Structure

force-app/main/default
│
├── classes
│   ├── MassUpdateController.cls
│   └── MassUpdateControllerTest.cls
│
└── lwc
    ├── massUpdatePanel
    │   ├── massUpdatePanel.html
    │   ├── massUpdatePanel.js
    │   └── massUpdatePanel.css
    │
    ├── massUpdateConfirmModal
    │   ├── massUpdateConfirmModal.html
    │   ├── massUpdateConfirmModal.js
    │   └── massUpdateConfirmModal.css
    │
    └── accountMassUpdatePage
        ├── accountMassUpdatePage.html
        └── accountMassUpdatePage.js

🔄 Update Workflow

Select Records
      │
      ▼
Choose Field
      │
      ▼
Enter New Value
      │
      ▼
Preview Update
      │
      ▼
Confirmation Modal
      │
      ▼
Mass Update
      │
      ▼
Success / Failure Report
      │
      ▼
Optional Rollback

⚙️ Component Properties

Property	Type	Description
sobjectApiName	String	Target Salesforce object.
records	Array	Records displayed in datatable.
columns	Array	Datatable column definitions.
editableFields	Array	Supported fields for mass updates.
maxRowSelection	Integer	Maximum selectable records.

🧩 Usage Example

<c-mass-update-panel
    sobject-api-name="Contact"
    records={contacts}
    columns={columns}
    editable-fields={editableFields}
    max-row-selection="300"
    onmassupdate={handleUpdate}
    onrollback={handleRollback}>
</c-mass-update-panel>

📋 Editable Field Configuration

{
    label: 'Lead Source',
    apiName: 'LeadSource',
    type: 'picklist',
    picklistOptions: [
        { label: 'Web', value: 'Web' },
        { label: 'Phone', value: 'Phone' },
        { label: 'Partner', value: 'Partner' }
    ]
}

🎯 Supported Field Types

Text

Picklist

Multi Picklist

Boolean

Currency

Percent

Integer

Double

Date

DateTime

Phone

URL

↩ Rollback Functionality

Original values are captured before update execution.
Rollback snapshot is generated server-side.
Only the most recent update can be rolled back.
Rollback restores original field values.
Partial rollback failures can be retried.
Snapshot clears after successful rollback.

🔐 Security Model

Layer	Implementation
Object Security	Describe checks before querying records.
Field Security	Security.stripInaccessible enforcement.
Update Permissions	isUpdateable() validation.
Sharing Rules	Controller uses with sharing.

🧪 Testing

MassUpdateControllerTest.cls included.
Mass update validation tests.
Rollback testing scenarios.
CRUD/FLS security validation.
Partial success coverage.

🚀 Deployment

sf org login web --alias my-sandbox

sf project deploy start \
--source-dir force-app \
--target-org my-sandbox

sf apex run test \
--class-names MassUpdateControllerTest

🎯 Benefits

Reduces manual record maintenance.
Improves user productivity.
Provides safe bulk updates.
Supports rollback recovery.
Reusable across any Salesforce object.
Enterprise-ready security model.