feat: mailer internal, templates, bruno cleanup, create user, send welcome mail, mailtrap

projects/greenlight/cmd/api/helpers.go

@@ -175,3 +175,19 @@ func (app *application) readInt(qs url.Values, key string, defaultValue int, v *
 	// Otherwise, return the converted integer value.
 	return i
 }
+
+// The background() helper accepts an arbitrary function as a parameter.
+func (app *application) background(fn func()) {
+	// Launch a background goroutine.
+	go func() {
+		// Recover any panic.
+		defer func() {
+			if err := recover(); err != nil {
+				app.logger.PrintError(fmt.Errorf("%s", err), nil)
+			}
+		}()
+
+		// Execute the arbitrary function that we passed as the parameter.
+		fn()
+	}()
+}