take width from opts

cmd/hackerview/main.go

@@ -48,10 +48,7 @@ func run(args []string, stdout io.Writer) error {
 	if err != nil {
 		return errors.New("could not fetch url")
 	}
-	fmt.Println(op)
-	for _, comment := range *comments {
-		fmt.Println(&comment)
-	}
+	hackernews.Format(opt.width, op, comments)
 	return nil
 }
 

internal/hackernews/printer.go

@@ -11,6 +11,16 @@ import (
 
 const SPACES_PER_INDENT = 5
 
+var max_width int
+
+func Format(width int, op *Op, comments *[]Comment) {
+	max_width = width
+	fmt.Println(op)
+	for _, comment := range *comments {
+		fmt.Println(comment)
+	}
+}
+
 func printChilds(c []*Comment) {
 	for _, value := range c {
 		fmt.Println(value)
@@ -20,7 +30,9 @@ func printChilds(c []*Comment) {
 
 func (o *Op) String() (ret string) {
 	ret += "title: " + o.title + "\n"
-	ret += "url: " + o.url + "\n"
+	if o.url != "" {
+		ret += "url: " + o.url + "\n"
+	}
 	ret += "self: " + o.selfUrl + "\n"
 	ret += fmt.Sprintf("%s(%d) - %s\n", o.user, o.score, humanize.Time(o.date))
 	return
@@ -35,7 +47,7 @@ func (c *Comment) String() (ret string) {
 	if err != nil {
 		panic(err)
 	}
-	wrapped, _ := text.WrapLeftPadded(msg, 120, indent+1)
+	wrapped, _ := text.WrapLeftPadded(msg, max_width, indent+1)
 	ret += "\n" + wrapped + "\n"
 	arrow := ">>> "
 	if c.indent > 0 {