add opts struct to class logo method

pkg/classgrpc/class.go

@@ -1,3 +1,5 @@
+// Package classgrpc provides demonstrative rpc implementation for class server
+// TODO: Move font and text to ClassServiceOpts in New() and use
 package classgrpc
 
 import (
@@ -11,17 +13,25 @@ import (
 
 type ClassService struct {
 	class.UnimplementedClassServiceServer
-	ctx context.Context
+	ctx  context.Context
+	font class.Font
+	text string
+}
+
+type ClassServiceOpts struct {
+	Ctx  context.Context
+	Font class.Font
+	Text string
 }
 
 var DefaultFont = class.Font_FONT_BARBWIRE
 
 func (s *ClassService) GetClassLogo(ctx context.Context, req *class.GetClassLogoRequest) (*class.GetClassLogoResponse, error) {
 	if req.GetFont() == class.Font_FONT_UNSPECIFIED {
-		req.Font = DefaultFont
+		req.Font = s.font
 	}
 
-	f := figure.NewFigure("Indiana Tech", getFontString(req.GetFont()), false)
+	f := figure.NewFigure(s.text, getFontString(req.GetFont()), false)
 
 	resp := &class.GetClassLogoResponse{
 		LogoBytes: []byte(f.String()),
@@ -38,8 +48,10 @@ func getFontString(font class.Font) string {
 	return strings.ToLower(strings.ReplaceAll(font.String(), "FONT_", ""))
 }
 
-func New(ctx context.Context) *ClassService {
+func New(opts *ClassServiceOpts) *ClassService {
 	return &ClassService{
-		ctx: ctx,
+		ctx:  opts.Ctx,
+		font: opts.Font,
+		text: opts.Text,
 	}
 }