Update user-agent parsing and report in intent failures metric

Author: jeffyanta

pkg/code/server/transaction/metrics.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/code-payments/code-server/pkg/code/common"
 	"github.com/code-payments/code-server/pkg/code/data/intent"
+	"github.com/code-payments/code-server/pkg/grpc/client"
 	"github.com/code-payments/code-server/pkg/metrics"
 )
 
@@ -40,6 +41,11 @@ func recordCriticalSubmitIntentFailure(ctx context.Context, intentRecord *intent
 		"error": err.Error(),
 	}
 
+	userAgent, err := client.GetUserAgent(ctx)
+	if err == nil {
+		kvs["user_agent"] = userAgent.String()
+	}
+
 	if intentRecord != nil {
 		if len(intentRecord.IntentId) > 0 {
 			kvs["intent_id"] = intentRecord.IntentId

pkg/grpc/client/user_agent.go

@@ -16,7 +16,7 @@ const (
 )
 
 var (
-	userAgentPattern = fmt.Sprintf("Code/(iOS|Android)/%s", versionPattern)
+	userAgentPattern = fmt.Sprintf("(Code|OpenCodeProtocol)/(iOS|Android)/%s", versionPattern)
 	userAgentRegex   = regexp.MustCompile(userAgentPattern)
 )
 
@@ -26,7 +26,7 @@ type UserAgent struct {
 }
 
 func (ua *UserAgent) String() string {
-	return fmt.Sprintf("Code/%s/%s", ua.DeviceType.String(), ua.Version.String())
+	return fmt.Sprintf("OpenCodeProtocol/%s/%s", ua.DeviceType.String(), ua.Version.String())
 }
 
 // GetUserAgent gets the Code client user agent value from headers in the provided

pkg/grpc/client/user_agent_test.go

@@ -15,6 +15,7 @@ func TestGetUserAgent_HappyPath(t *testing.T) {
 	for _, headerValue := range []string{
 		"Code/iOS/11.22.33",
 		"Code/Android/11.22.33",
+		"OpenCodeProtocol/Android/11.22.33",
 		"Mozilla/5.0 Code/iOS/11.22.33 Mobile Safari/533.1",
 	} {
 		ctx := context.Background()
@@ -81,5 +82,5 @@ func TestUserAgent_StringValue(t *testing.T) {
 		},
 	}
 
-	assert.Equal(t, "Code/iOS/1.2.3", ua.String())
+	assert.Equal(t, "OpenCodeProtocol/iOS/1.2.3", ua.String())
 }