forked from wrenn/wrenn
Add transactional email system via SMTP
Introduce internal/email package with SMTP sending, embedded HTML/text templates, and multipart MIME assembly. Emails use a generic EmailData struct (recipient name, message, optional button, optional closing) so new email types can be added without code changes. Wired into signup (welcome email), team creation, and team member addition. No-op mailer when SMTP_HOST is not configured.
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internal/email/templates/base.html
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112
internal/email/templates/base.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>Wrenn</title>
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<!--[if mso]>
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<noscript>
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<xml>
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<o:OfficeDocumentSettings>
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<o:PixelsPerInch>96</o:PixelsPerInch>
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</o:OfficeDocumentSettings>
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</xml>
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</noscript>
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<![endif]-->
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<style type="text/css">
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body, table, td, a { -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }
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table, td { mso-table-lspace: 0pt; mso-table-rspace: 0pt; }
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img { -ms-interpolation-mode: bicubic; border: 0; height: auto; line-height: 100%; outline: none; text-decoration: none; }
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body { margin: 0; padding: 0; width: 100% !important; }
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</style>
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</head>
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<body style="margin: 0; padding: 0; background-color: #f4f3f1; font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased;">
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<!-- Outer wrapper -->
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<table role="presentation" cellpadding="0" cellspacing="0" width="100%" style="background-color: #f4f3f1;">
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<tr>
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<td align="center" style="padding: 40px 16px;">
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<!-- Logo -->
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<table role="presentation" cellpadding="0" cellspacing="0" width="560" style="max-width: 560px;">
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<tr>
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<td align="left" style="padding-bottom: 24px;">
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<a href="https://wrenn.dev" style="text-decoration: none;">
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<img src="https://wrenn.dev/logo.png" alt="Wrenn" width="36" height="36" style="display: block; border-radius: 6px;">
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</a>
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</td>
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</tr>
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</table>
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<!-- Card -->
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<table role="presentation" cellpadding="0" cellspacing="0" width="560" style="max-width: 560px; background-color: #ffffff; border: 1px solid #e5e4e0; border-radius: 8px;">
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<tr>
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<td style="padding: 40px 44px;">
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<!-- Greeting -->
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{{if .RecipientName}}
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<p style="margin: 0 0 20px 0; font-size: 15px; line-height: 1.6; color: #3a3835;">
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Hello {{.RecipientName}},
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</p>
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{{end}}
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<!-- Message -->
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<p style="margin: 0 0 24px 0; font-size: 15px; line-height: 1.7; color: #3a3835;">
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{{.Message}}
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</p>
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<!-- Button -->
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{{if .Button}}
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<table role="presentation" cellpadding="0" cellspacing="0" style="margin: 28px 0;">
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<tr>
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<td align="center" style="background-color: #5e8c58; border-radius: 5px;">
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<!--[if mso]>
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<v:roundrect xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w="urn:schemas-microsoft-com:office:word" href="{{.Button.URL}}" style="height:44px;v-text-anchor:middle;width:200px;" arcsize="12%" strokecolor="#5e8c58" fillcolor="#5e8c58">
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<w:anchorlock/>
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<center style="color:#ffffff;font-family:'Manrope',-apple-system,sans-serif;font-size:14px;font-weight:600;">{{.Button.Text}}</center>
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</v:roundrect>
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<![endif]-->
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<!--[if !mso]><!-->
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<a href="{{.Button.URL}}" target="_blank" style="display: inline-block; padding: 12px 28px; font-size: 14px; font-weight: 600; color: #ffffff; text-decoration: none; border-radius: 5px; background-color: #5e8c58;">
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{{.Button.Text}}
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</a>
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<!--<![endif]-->
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</td>
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</tr>
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</table>
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<p style="margin: 0 0 24px 0; font-size: 13px; line-height: 1.6; color: #9b9790;">
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If the button doesn't work, copy and paste this URL into your browser:<br>
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<a href="{{.Button.URL}}" style="color: #5e8c58; word-break: break-all;">{{.Button.URL}}</a>
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</p>
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{{end}}
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<!-- Closing -->
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{{if .Closing}}
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<p style="margin: 0; font-size: 15px; line-height: 1.7; color: #3a3835;">
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{{.Closing}}
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</p>
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{{end}}
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</td>
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</tr>
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</table>
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<!-- Footer -->
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<table role="presentation" cellpadding="0" cellspacing="0" width="560" style="max-width: 560px;">
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<tr>
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<td style="padding: 24px 0; text-align: center;">
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<p style="margin: 0; font-size: 12px; line-height: 1.5; color: #9b9790;">
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This is a transactional email from <a href="https://wrenn.dev" style="color: #5e8c58; text-decoration: none;">Wrenn</a>.
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</p>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</body>
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</html>
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13
internal/email/templates/base.txt
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13
internal/email/templates/base.txt
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{{if .RecipientName}}Hello {{.RecipientName}},
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{{end}}{{.Message}}
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{{if .Button}}
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{{.Button.Text}}: {{.Button.URL}}
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{{end}}{{if .Closing}}
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{{.Closing}}
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{{end}}
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---
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This is a transactional email from Wrenn (https://wrenn.dev).
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