abstract terminal interface

app/proc/drivers/rapl.go

@@ -1,6 +1,7 @@
 package drivers
 
 import (
+	"finally-a-monolithic-linux-hw-monitor/app/common"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -28,18 +29,18 @@ func NewRaplDriver() (*RaplDriver, error) {
 	return &r, err
 }
 
-func (r *RaplDriver) Render(console *strings.Builder) error {
-	fmt.Fprint(console, "--- Power ---\033[K\n")
+func (r *RaplDriver) Render(term common.Terminal) error {
 	p, err := r.Read()
 	if err != nil {
 		return err
 	}
 
 	power := p.([]PowerSensor)
+	term.Subheader("Power")
 
 	for _, sensor := range power {
 		// \033[K clears from cursor to end of line (prevents lingering chars)
-		fmt.Fprintf(console, "%-16s | %.2f W\033[K\n", sensor.Name, sensor.Watts)
+		term.Print(fmt.Sprintf("%-16s | %.2f W", sensor.Name, sensor.Watts))
 	}
 
 	return nil