feat: Add email service with Spring Mail integration #415
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Update correct URLs to avoid cors problems Update deployment setup Use Claude to help with the project
Implement comprehensive email service to support transactional emails for the WCC platform. The service provides RESTful endpoints for sending single and bulk emails with support for HTML content, CC, BCC, and Reply-To fields. Key features: - EmailService with JavaMailSender for SMTP operations - REST endpoints at /api/platform/v1/email - Immutable DTOs (EmailRequest, EmailResponse) using Lombok @Getter and @builder - Custom EmailSendException for error handling - Comprehensive unit tests with Mockito - Environment-based SMTP configuration (Gmail by default) - ObjectUtils.isEmpty() for validation - OpenAPI/Swagger documentation Configuration requires MAIL_USERNAME and MAIL_PASSWORD environment variables for production deployments. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
dricazenck
requested review from
goelsonali,
nora-weisser,
nverbic and
womencodingcommunity
Make allowedOrigins field final and move @value annotation to constructor parameter to comply with PMD rules for immutable fields and final parameters. Changes: - Changed private field to final - Moved @value annotation from field to constructor parameter - Made constructor parameter final This fixes: - ImmutableField: Field 'allowedOrigins' may be declared final - MethodArgumentCouldBeFinal: Parameter 'allowedOrigins' is not assigned and could be declared final
goelsonali
reviewed
Nov 17, 2025
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Summary
Changes
Core Implementation:
EmailService- Business logic for sending emails via JavaMailSenderEmailController- REST endpoints at/api/platform/v1/emailEmailRequest- Immutable DTO for email requests with validationEmailResponse- Immutable DTO for email responsesEmailSendException- Custom exception for email failuresFeatures:
POST /api/platform/v1/email/sendPOST /api/platform/v1/email/send/bulkConfiguration:
build.gradle.ktsMAIL_USERNAMEandMAIL_PASSWORDTesting:
EmailServiceTest- 9 comprehensive unit testsEmailControllerTest- 7 controller tests with MockMvcDocumentation:
CLAUDE.mdwith email service architecture and usageTest Plan
Deployment Notes
Environment Variables Required:
MAIL_USERNAME- SMTP username (email address)MAIL_PASSWORD- SMTP password (use app password for Gmail)Gmail Setup:
For Gmail, you need to create an App Password:
MAIL_PASSWORD