basic common app packages

email/transport.go

@@ -0,0 +1,35 @@
+package email
+
+import (
+	"os"
+	"path/filepath"
+	"time"
+
+	"code.patial.tech/go/appcore/open"
+)
+
+type Transport interface {
+	Send(*Message) error
+}
+
+// DumpToTemp transport is for development environment to ensure emails are renderd as HTML ok
+//
+// once dump operation is done it will try to open the html with default app for html
+type DumpToTemp struct{}
+
+func (DumpToTemp) Send(msg *Message) error {
+	// validate msg first
+	if err := msg.Validate(); err != nil {
+		return err
+	}
+
+	dir := os.TempDir()
+	id := time.Now().Format("20060102T150405999")
+	file := filepath.Join(dir, id+".html")
+
+	if err := os.WriteFile(file, []byte(msg.HtmlBody), 0440); err != nil {
+		return err
+	}
+
+	return open.WithDefaultApp(file)
+}