legacy: implement screen resolution API.

server/internal/http/legacy/wstobackend.go

@@ -188,12 +188,30 @@ func (s *session) wsToBackend(msg []byte) error {
 
 	// Screen Events
 	case oldEvent.SCREEN_RESOLUTION:
-		// No WS equivalent, call HTTP API and return screen resolution.
+		response := &types.ScreenSize{}
-		return fmt.Errorf("event not implemented: %s", header.Event)
+		err := s.apiReq(http.MethodGet, "/api/room/screen", nil, response)
+		if err != nil {
+			return err
+		}
+
+		return s.toClient(&oldMessage.ScreenResolution{
+			Event:  oldEvent.SCREEN_RESOLUTION,
+			Width:  response.Width,
+			Height: response.Height,
+			Rate:   response.Rate,
+		})
 
 	case oldEvent.SCREEN_CONFIGURATIONS:
-		// No WS equivalent, call HTTP API and return screen configurations.
+		response := &[]types.ScreenSize{}
-		return fmt.Errorf("event not implemented: %s", header.Event)
+		err := s.apiReq(http.MethodGet, "/api/room/screen/configurations", nil, response)
+		if err != nil {
+			return err
+		}
+
+		return s.toClient(&oldMessage.ScreenConfigurations{
+			Event:          oldEvent.SCREEN_CONFIGURATIONS,
+			Configurations: screenConfigurations(*response),
+		})
 
 	case oldEvent.SCREEN_SET:
 		request := &oldMessage.ScreenResolution{}

server/internal/http/legacy/wstoclient.go

@@ -37,6 +37,36 @@ func profileToMember(id string, profile types.MemberProfile) (*oldTypes.Member,
 	}, nil
 }
 
+func screenConfigurations(screenSizes []types.ScreenSize) map[int]oldTypes.ScreenConfiguration {
+	rates := map[string][]int16{}
+	for _, size := range screenSizes {
+		key := fmt.Sprintf("%dx%d", size.Width, size.Height)
+		rates[key] = append(rates[key], size.Rate)
+	}
+
+	usedScreenSizes := map[string]struct{}{}
+	screenSizesList := map[int]oldTypes.ScreenConfiguration{}
+	for i, size := range screenSizes {
+		key := fmt.Sprintf("%dx%d", size.Width, size.Height)
+		if _, ok := usedScreenSizes[key]; ok {
+			continue
+		}
+
+		ratesMap := map[int]int16{}
+		for i, rate := range rates[key] {
+			ratesMap[i] = rate
+		}
+
+		screenSizesList[i] = oldTypes.ScreenConfiguration{
+			Width:  size.Width,
+			Height: size.Height,
+			Rates:  ratesMap,
+		}
+	}
+
+	return screenSizesList
+}
+
 func (s *session) sendControlHost(request message.ControlHost) error {
 	lastHostID := s.lastHostID
 
@@ -216,35 +246,9 @@ func (s *session) wsToClient(msg []byte) error {
 		// ScreenSizesList
 		//
 
-		rates := map[string][]int16{}
-		for _, size := range request.ScreenSizesList {
-			key := fmt.Sprintf("%dx%d", size.Width, size.Height)
-			rates[key] = append(rates[key], size.Rate)
-		}
-
-		usedScreenSizes := map[string]struct{}{}
-		screenSizesList := map[int]oldTypes.ScreenConfiguration{}
-		for i, size := range request.ScreenSizesList {
-			key := fmt.Sprintf("%dx%d", size.Width, size.Height)
-			if _, ok := usedScreenSizes[key]; ok {
-				continue
-			}
-
-			ratesMap := map[int]int16{}
-			for i, rate := range rates[key] {
-				ratesMap[i] = rate
-			}
-
-			screenSizesList[i] = oldTypes.ScreenConfiguration{
-				Width:  size.Width,
-				Height: size.Height,
-				Rates:  ratesMap,
-			}
-		}
-
 		err = s.toClient(&oldMessage.ScreenConfigurations{
 			Event:          oldEvent.SCREEN_CONFIGURATIONS,
-			Configurations: screenSizesList,
+			Configurations: screenConfigurations(request.ScreenSizesList),
 		})
 		if err != nil {
 			return err