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Include completion photos in task completed emails

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- Add EmbeddedImage struct and SendEmailWithEmbeddedImages method for inline images
- Update SendTaskCompletedEmail to accept and display completion photos
- Read images from disk via StorageService and embed with Content-ID references
- Wire StorageService to TaskService for image access
- Photos display inline in HTML email body, works across all email clients

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Trey t
2025-12-17 15:27:45 -06:00
parent b62da4e303
commit 7a57a902bb
3 changed files with 177 additions and 7 deletions
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87
internal/services/email_service.go
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@@ -54,6 +54,14 @@ type EmailAttachment struct {
Data []byte
}
// EmbeddedImage represents an inline image in an email
type EmbeddedImage struct {
ContentID string // Used in HTML as src="cid:ContentID"
Filename string
ContentType string
Data []byte
}
// SendEmailWithAttachment sends an email with an attachment
func (s *EmailService) SendEmailWithAttachment(to, subject, htmlBody, textBody string, attachment *EmailAttachment) error {
m := gomail.NewMessage()
@@ -84,6 +92,39 @@ func (s *EmailService) SendEmailWithAttachment(to, subject, htmlBody, textBody s
return nil
}
// SendEmailWithEmbeddedImages sends an email with inline embedded images
func (s *EmailService) SendEmailWithEmbeddedImages(to, subject, htmlBody, textBody string, images []EmbeddedImage) error {
m := gomail.NewMessage()
m.SetHeader("From", s.cfg.From)
m.SetHeader("To", to)
m.SetHeader("Subject", subject)
m.SetBody("text/plain", textBody)
m.AddAlternative("text/html", htmlBody)
// Embed each image with Content-ID for inline display
for _, img := range images {
m.Embed(img.Filename,
gomail.SetCopyFunc(func(w io.Writer) error {
_, err := w.Write(img.Data)
return err
}),
gomail.SetHeader(map[string][]string{
"Content-Type": {img.ContentType},
"Content-ID": {"<" + img.ContentID + ">"},
"Content-Disposition": {"inline; filename=\"" + img.Filename + "\""},
}),
)
}
if err := s.dialer.DialAndSend(m); err != nil {
log.Error().Err(err).Str("to", to).Str("subject", subject).Int("images", len(images)).Msg("Failed to send email with embedded images")
return fmt.Errorf("failed to send email: %w", err)
}
log.Info().Str("to", to).Str("subject", subject).Int("images", len(images)).Msg("Email with embedded images sent successfully")
return nil
}
// baseEmailTemplate returns the styled email wrapper
func baseEmailTemplate() string {
return `<!DOCTYPE html>
@@ -631,7 +672,8 @@ The Casera Team
}
// SendTaskCompletedEmail sends an email notification when a task is completed
func (s *EmailService) SendTaskCompletedEmail(to, recipientName, taskTitle, completedByName, residenceName string) error {
// images parameter is optional - pass nil or empty slice if no images
func (s *EmailService) SendTaskCompletedEmail(to, recipientName, taskTitle, completedByName, residenceName string, images []EmbeddedImage) error {
subject := fmt.Sprintf("Casera - Task Completed: %s", taskTitle)
name := recipientName
@@ -641,6 +683,39 @@ func (s *EmailService) SendTaskCompletedEmail(to, recipientName, taskTitle, comp
completedTime := time.Now().UTC().Format("January 2, 2006 at 3:04 PM")
// Build images HTML section if images are provided
imagesHTML := ""
imagesText := ""
if len(images) > 0 {
imagesHTML = `
<!-- Completion Photos Section -->
<table role="presentation" width="100%%" cellspacing="0" cellpadding="0" style="margin-top: 24px;">
<tr>
<td>
<p style="font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 14px; font-weight: 600; color: #1a1a1a; margin: 0 0 12px 0;">Completion Photo` + func() string {
if len(images) > 1 {
return "s"
}
return ""
}() + `:</p>
</td>
</tr>`
for i, img := range images {
imagesHTML += fmt.Sprintf(`
<tr>
<td style="padding: 8px 0;">
<img src="cid:%s" alt="Completion photo %d" style="max-width: 100%%; height: auto; border-radius: 8px; border: 1px solid #E5E7EB;" />
</td>
</tr>`, img.ContentID, i+1)
}
imagesHTML += `
</table>`
imagesText = fmt.Sprintf("\n\n[%d completion photo(s) attached]", len(images))
}
bodyContent := fmt.Sprintf(`
%s
<!-- Body -->
@@ -658,6 +733,7 @@ func (s *EmailService) SendTaskCompletedEmail(to, recipientName, taskTitle, comp
</td>
</tr>
</table>
%s
<p style="font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 14px; color: #6B7280; margin: 30px 0 0 0;">Best regards,<br><strong style="color: #1a1a1a;">The Casera Team</strong></p>
</td>
@@ -665,6 +741,7 @@ func (s *EmailService) SendTaskCompletedEmail(to, recipientName, taskTitle, comp
%s`,
emailHeader("Task Completed!"),
name, residenceName, taskTitle, completedByName, completedTime,
imagesHTML,
emailFooter(time.Now().Year()))
htmlBody := fmt.Sprintf(baseEmailTemplate(), subject, bodyContent)
@@ -678,12 +755,16 @@ A task has been completed at %s:
Task: %s
Completed by: %s
Completed on: %s
Completed on: %s%s
Best regards,
The Casera Team
`, name, residenceName, taskTitle, completedByName, completedTime)
`, name, residenceName, taskTitle, completedByName, completedTime, imagesText)
// Use embedded images method if we have images, otherwise use simple send
if len(images) > 0 {
return s.SendEmailWithEmbeddedImages(to, subject, htmlBody, textBody, images)
}
return s.SendEmail(to, subject, htmlBody, textBody)
}