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Story 8.2: Welcome Email (Account Created)

Epic Reference

Epic 8: Email Notification System

Dependencies

Requires: Story 8.1 (Email Infrastructure Setup) - base template, queue configuration, SMTP setup

User Story

As a new client, I want to receive a welcome email with my login credentials, So that I can access the platform.

Acceptance Criteria

Trigger

Sent automatically on user creation by admin
Queued for performance (implements ShouldQueue)
Triggered via admin creation action (recommended approach per Technical Notes)

Content

Personalized greeting (name/company)
"Your account has been created" message
Login credentials (email, password)
Login URL link with button
Brief platform introduction
Contact info for questions

Language

Email in user's preferred_language field
Default to Arabic ('ar') if preferred_language is null
Arabic template
English template

Design

Professional branding (inherits from base template in Story 8.1)
Call-to-action button: "Login Now" / "تسجيل الدخول"

Technical Notes

Prerequisites from Story 8.1

Base email template with Libra branding (navy #0A1F44, gold #D4AF37)
Queue configuration for async email delivery
SMTP configuration via .env

User Model Requirement

The User model requires a preferred_language field. If not already present, add:

Migration: $table->string('preferred_language', 2)->default('ar');
Fillable: Add 'preferred_language' to $fillable array

Files to Create

Mailable Class:

app/Mail/WelcomeEmail.php

View Templates:

resources/views/emails/welcome/ar.blade.php (Arabic)
resources/views/emails/welcome/en.blade.php (English)

Observer:

app/Observers/UserObserver.php (if not exists)
Register in AppServiceProvider boot method

Implementation

// app/Mail/WelcomeEmail.php
class WelcomeEmail extends Mailable implements ShouldQueue
{
    use Queueable, SerializesModels;

    public function __construct(
        public User $user,
        public string $password
    ) {}

    public function envelope(): Envelope
    {
        return new Envelope(
            subject: $this->user->preferred_language === 'en'
                ? 'Welcome to Libra Law Firm'
                : 'مرحباً بك في مكتب ليبرا للمحاماة',
        );
    }

    public function content(): Content
    {
        return new Content(
            markdown: 'emails.welcome.' . ($this->user->preferred_language ?? 'ar'),
            with: [
                'loginUrl' => route('login'),
                'password' => $this->password,
            ],
        );
    }
}

// app/Observers/UserObserver.php
class UserObserver
{
    public function created(User $user): void
    {
        // Only send if password was set (admin creation scenario)
        // The plain password must be passed from the creation context
    }
}

Trigger Mechanism

The welcome email requires the plain-text password, which is only available at creation time. Options:

Recommended: Dispatch from the admin user creation action/controller after creating user
Alternative: Use a custom event UserCreatedWithPassword that carries both user and password

Edge Cases

Missing preferred_language: Default to Arabic ('ar')
Email delivery failure: Handled by queue retry mechanism (Story 8.1)
Password in email: This is intentional for admin-created accounts; password is shown once

Testing Requirements

Unit Tests

WelcomeEmail mailable contains correct subject for Arabic user
WelcomeEmail mailable contains correct subject for English user
WelcomeEmail uses correct template based on language
Default language is Arabic when preferred_language is null

Feature Tests

Email is queued when user is created
Arabic template renders without errors
English template renders without errors
Email contains login URL
Email contains user's password
Email contains user's name

Test Example

use App\Mail\WelcomeEmail;
use App\Models\User;
use Illuminate\Support\Facades\Mail;

test('welcome email is sent when user is created', function () {
    Mail::fake();

    $user = User::factory()->create(['preferred_language' => 'ar']);

    Mail::to($user)->send(new WelcomeEmail($user, 'test-password'));

    Mail::assertQueued(WelcomeEmail::class, function ($mail) use ($user) {
        return $mail->user->id === $user->id;
    });
});

test('welcome email uses arabic template by default', function () {
    $user = User::factory()->create(['preferred_language' => null]);
    $mailable = new WelcomeEmail($user, 'password123');

    $mailable->assertSeeInHtml('تسجيل الدخول');
});

Definition of Done

WelcomeEmail mailable class created
Arabic template (emails/welcome/ar.blade.php) created
English template (emails/welcome/en.blade.php) created
Email triggered on user creation by admin
Email is queued (not sent synchronously)
Credentials included in email
Login button links to correct URL
All tests pass
Code formatted with Pint

Estimation

Complexity: Low | Effort: 2-3 hours

Dev Agent Record

Status

Ready for Review

Agent Model Used

Claude Opus 4.5

File List

app/Mail/WelcomeEmail.php (created)
resources/views/emails/welcome/ar.blade.php (created)
resources/views/emails/welcome/en.blade.php (created)
app/Notifications/WelcomeAccountNotification.php (modified)
tests/Feature/Admin/WelcomeEmailTest.php (modified)

Change Log

Created WelcomeEmail mailable class implementing ShouldQueue
Created Arabic email template with RTL support
Created English email template
Updated WelcomeAccountNotification to use WelcomeEmail mailable
Updated tests to validate mailable behavior (21 tests, all passing)

Completion Notes

Implementation follows the recommended trigger mechanism (dispatch from admin creation action) as specified in Technical Notes
Existing WelcomeAccountNotification was updated to return WelcomeEmail mailable, maintaining the existing notification pattern
Both preferred_language field and translations were already present from previous stories
All 21 welcome email tests pass, plus 71 client management tests pass

QA Results

Review Date: 2025-12-29

Reviewed By: Quinn (Test Architect)

Code Quality Assessment

Overall: Excellent implementation. The story has been implemented cleanly and professionally following Laravel best practices.

Key Strengths:

Proper separation of concerns: WelcomeEmail mailable handles email content/structure, WelcomeAccountNotification wraps it for notification delivery
Both classes implement ShouldQueue ensuring async delivery and not blocking user creation
Locale handling is correctly defaulting to Arabic ('ar') when preferred_language is null
Templates use correct RTL support for Arabic and appropriate branding
Integration with admin client creation flows is clean and well-tested

Code Architecture:

WelcomeEmail.php:24 - Locale set in constructor, ensuring consistent serialization for queued jobs
WelcomeEmail.php:32,46 - Defensive null-coalescing ensures default language even if property lost during queue serialization
WelcomeAccountNotification.php:34-38 - Returns mailable directly to leverage Laravel's mailable-as-notification pattern

Refactoring Performed

No refactoring required. The code is well-structured and follows established patterns in the codebase.

Compliance Check

Coding Standards: [✓] Class-based approach, proper namespacing, Pint compliant
Project Structure: [✓] Files in correct locations per Technical Notes
Testing Strategy: [✓] 21 tests covering unit, integration, and edge cases
All ACs Met: [✓] All 17 acceptance criteria verified complete

Requirements Traceability

AC	Description	Test Coverage
Trigger - Auto send on creation	✓	`welcome email is queued when creating individual client`, `...company client`
Trigger - Implements ShouldQueue	✓	`welcome notification implements should queue interface`, `welcome email mailable implements should queue interface`
Trigger - Via admin creation	✓	Tests use admin client creation flows
Content - Personalized greeting	✓	`arabic template renders correctly`, `english template renders correctly`
Content - Account created message	✓	Template assertions
Content - Login credentials	✓	`welcome email contains correct password`, `passes correct data to view`
Content - Login URL	✓	`welcome email contains login url`
Content - Platform intro	✓	Templates include feature list
Content - Contact info	✓	Templates include contact prompt
Language - User's preferred_language	✓	`uses correct arabic template`, `uses correct english template`
Language - Default to Arabic	✓	`defaults to arabic when preferred_language is null`
Language - Arabic template	✓	`arabic template renders correctly`
Language - English template	✓	`english template renders correctly`
Design - Professional branding	✓	Uses base mail template
Design - CTA button	✓	`assertSeeInHtml('تسجيل الدخول')`, `assertSeeInHtml('Login Now')`

Improvements Checklist

All acceptance criteria implemented
All tests passing (21/21)
Code formatted with Pint
Proper queue implementation
Bilingual support complete
Integration with client creation flows verified

Security Review

Status: PASS

Plain-text password in email is intentional per story requirements (admin-created accounts, password shown once)
Password is captured at creation time, not retrieved from database
Email is queued, reducing attack surface on synchronous operations
No sensitive data logged in AdminLog (password excluded from new_values)

Performance Considerations