Remove unnecessary changes

api/server/handlers/billing/plan.go

@@ -58,6 +58,52 @@ func (c *ListPlansHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	c.WriteResult(w, r, plan)
 }
 
+// ListCreditsHandler is a handler for getting available credits
+type ListCreditsHandler struct {
+	handlers.PorterHandlerWriter
+}
+
+// NewListCreditsHandler will create a new ListCreditsHandler
+func NewListCreditsHandler(
+	config *config.Config,
+	writer shared.ResultWriter,
+) *ListCreditsHandler {
+	return &ListCreditsHandler{
+		PorterHandlerWriter: handlers.NewDefaultPorterHandler(config, nil, writer),
+	}
+}
+
+func (c *ListCreditsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	ctx, span := telemetry.NewSpan(r.Context(), "serve-list-credits")
+	defer span.End()
+
+	proj, _ := ctx.Value(types.ProjectScope).(*models.Project)
+
+	if !c.Config().BillingManager.MetronomeConfigLoaded || !proj.GetFeatureFlag(models.MetronomeEnabled, c.Config().LaunchDarklyClient) {
+		c.WriteResult(w, r, "")
+
+		telemetry.WithAttributes(span,
+			telemetry.AttributeKV{Key: "metronome-config-exists", Value: c.Config().BillingManager.MetronomeConfigLoaded},
+			telemetry.AttributeKV{Key: "metronome-enabled", Value: proj.GetFeatureFlag(models.MetronomeEnabled, c.Config().LaunchDarklyClient)},
+		)
+		return
+	}
+
+	credits, err := c.Config().BillingManager.MetronomeClient.ListCustomerCredits(ctx, proj.UsageID)
+	if err != nil {
+		err := telemetry.Error(ctx, span, err, "error listing credits")
+		c.HandleAPIError(w, r, apierrors.NewErrInternal(err))
+		return
+	}
+
+	telemetry.WithAttributes(span,
+		telemetry.AttributeKV{Key: "metronome-enabled", Value: true},
+		telemetry.AttributeKV{Key: "usage-id", Value: proj.UsageID},
+	)
+
+	c.WriteResult(w, r, credits)
+}
+
 // ListCustomerUsageHandler returns customer usage aggregations like CPU and RAM hours.
 type ListCustomerUsageHandler struct {
 	handlers.PorterHandlerReadWriter

api/server/handlers/user/create_test.go

@@ -35,10 +35,7 @@ func TestCreateUserSuccessful(t *testing.T) {
 
 	handler.ServeHTTP(rr, req)
 
-	// Use a struct that is the same as types.User but without the
-	// referral fields. This is because the referral code is randomly
-	// generated and is tested separately.
-	expUser :=  &types.CreateUserResponse{
+	expUser := &types.CreateUserResponse{
 		ID:            1,
 		FirstName:     "Mister",
 		LastName:      "Porter",
@@ -47,7 +44,7 @@ func TestCreateUserSuccessful(t *testing.T) {
 		EmailVerified: false,
 	}
 
-	gotUser :=  &types.CreateUserResponse{}
+	gotUser := &types.CreateUserResponse{}
 
 	apitest.AssertResponseExpected(t, rr, expUser, gotUser)
 }

api/server/handlers/user/github_callback.go

@@ -85,6 +85,7 @@ func (p *UserOAuthGithubCallbackHandler) ServeHTTP(w http.ResponseWriter, r *htt
 	// non-fatal send email verification
 	if !user.EmailVerified {
 		err = startEmailVerification(p.Config(), w, r, user)
+
 		if err != nil {
 			p.HandleAPIErrorNoWrite(w, r, apierrors.NewErrInternal(err))
 		}
@@ -147,11 +148,13 @@ func upsertUserFromToken(config *config.Config, tok *oauth2.Token) (*models.User
 			}
 
 			user, err = config.Repo.User().CreateUser(user)
+
 			if err != nil {
 				return nil, err
 			}
 
 			err = addUserToDefaultProject(config, user)
+
 			if err != nil {
 				return nil, err
 			}

api/server/handlers/user/google_callback.go

@@ -88,6 +88,7 @@ func (p *UserOAuthGoogleCallbackHandler) ServeHTTP(w http.ResponseWriter, r *htt
 	// non-fatal send email verification
 	if !user.EmailVerified {
 		err = startEmailVerification(p.Config(), w, r, user)
+
 		if err != nil {
 			p.HandleAPIErrorNoWrite(w, r, apierrors.NewErrInternal(err))
 		}
@@ -133,11 +134,13 @@ func upsertGoogleUserFromToken(config *config.Config, tok *oauth2.Token) (*model
 			}
 
 			user, err = config.Repo.User().CreateUser(user)
+
 			if err != nil {
 				return nil, err
 			}
 
 			err = addUserToDefaultProject(config, user)
+
 			if err != nil {
 				return nil, err
 			}

internal/billing/metronome.go

@@ -20,16 +20,6 @@ const (
 	defaultCollectionMethod = "charge_automatically"
 	defaultMaxRetries       = 10
 	porterStandardTrialDays = 15
-
-	// referralRewardRequirement is the number of referred users required to
-	// be granted a credits reward
-	referralRewardRequirement = 5
-	// defaultRewardAmountCents is the default amount in USD cents rewarded to users
-	// who reach the reward requirement
-	defaultRewardAmountCents = 1000
-	// defaultPaidAmountCents is the amount paid by the user to get the credits
-	// grant, if set to 0 it means they were free
-	defaultPaidAmountCents = 0
 )
 
 // MetronomeClient is the client used to call the Metronome API