109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
package notifications
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import (
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"bytes"
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"html/template"
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"strings"
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"git.gobha.me/xcaliber/chat-switchboard/models"
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)
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// ── Template Data ───────────────────────────
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type emailData struct {
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Title string
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Body string
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Type string
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ResourceType string
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InstanceName string
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}
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// ── HTML Template ───────────────────────────
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var htmlTmpl = template.Must(template.New("email").Parse(`<!DOCTYPE html>
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<html>
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<head><meta charset="UTF-8"></head>
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<body style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; max-width: 600px; margin: 0 auto; padding: 20px; color: #333;">
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<div style="border-bottom: 2px solid #4a8af4; padding-bottom: 12px; margin-bottom: 20px;">
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<h2 style="margin: 0; color: #4a8af4;">{{.InstanceName}}</h2>
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</div>
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<div style="background: #f8f9fa; border-radius: 8px; padding: 16px; margin-bottom: 16px;">
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<h3 style="margin: 0 0 8px;">{{.Title}}</h3>
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{{if .Body}}<p style="margin: 0; color: #555;">{{.Body}}</p>{{end}}
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</div>
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<p style="font-size: 0.85em; color: #999;">
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This notification was sent by {{.InstanceName}}. You can adjust your notification preferences in Settings.
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</p>
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</body>
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</html>`))
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// ── Plaintext Template ──────────────────────
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var textTmpl = template.Must(template.New("email_text").Parse(`{{.InstanceName}} — Notification
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{{.Title}}
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{{if .Body}}
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{{.Body}}
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{{end}}
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---
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Adjust your notification preferences in Settings.
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`))
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// ── Render Functions ────────────────────────
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// RenderHTML renders an HTML email body for a notification.
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func RenderHTML(n *models.Notification, instanceName string) string {
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if instanceName == "" {
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instanceName = "Chat Switchboard"
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}
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data := emailData{
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Title: n.Title,
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Body: n.Body,
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Type: n.Type,
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ResourceType: n.ResourceType,
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InstanceName: instanceName,
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}
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var buf bytes.Buffer
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if err := htmlTmpl.Execute(&buf, data); err != nil {
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return "<p>" + template.HTMLEscapeString(n.Title) + "</p>"
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}
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return buf.String()
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}
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// RenderText renders a plaintext email body for a notification.
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func RenderText(n *models.Notification, instanceName string) string {
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if instanceName == "" {
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instanceName = "Chat Switchboard"
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}
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data := emailData{
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Title: n.Title,
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Body: n.Body,
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Type: n.Type,
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ResourceType: n.ResourceType,
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InstanceName: instanceName,
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}
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var buf bytes.Buffer
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if err := textTmpl.Execute(&buf, data); err != nil {
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return n.Title
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}
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return buf.String()
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}
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// SubjectForNotification returns an email subject line.
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func SubjectForNotification(n *models.Notification, instanceName string) string {
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if instanceName == "" {
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instanceName = "Chat Switchboard"
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}
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prefix := "[" + instanceName + "] "
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switch {
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case strings.HasPrefix(n.Type, "kb."):
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return prefix + "Knowledge Base: " + n.Title
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case strings.HasPrefix(n.Type, "role."):
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return prefix + "Model Alert: " + n.Title
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case strings.HasPrefix(n.Type, "grant."):
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return prefix + "Access Change: " + n.Title
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default:
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return prefix + n.Title
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}
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}
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