[server] remove use of isBillingModeEnabled

components/server/ee/src/billing/billing-mode.spec.db.ts

@@ -496,7 +496,6 @@ class BillingModeSpec {
                         () =>
                             new ConfigCatClientMock({
                                 isUsageBasedBillingEnabled: test.config.usageBasedPricingEnabled,
-                                isBillingModeEnabled: true,
                             }),
                     );
                 }),

components/server/ee/src/billing/billing-mode.ts

@@ -63,26 +63,11 @@ export class BillingModesImpl implements BillingModes {
         }
     }
 
-    protected async isBillingModeEnabled(subject: { user?: User; team?: Team }): Promise<boolean> {
-        // This is a double safety-net to smoothen and de-risk the rollout of BillingMode, because it not only affects
-        // new behavior which is in focus and subject to test anyway (usage-based), but also old behavior (chargebee).
-        const teams = subject.user ? await this.teamDB.findTeamsByUser(subject.user.id) : undefined;
-        return await this.configCatClientFactory().getValueAsync("isBillingModeEnabled", false, {
-            user: subject.user,
-            teams,
-            teamId: subject.team?.id,
-            teamName: subject.team?.name,
-        });
-    }
-
     async getBillingModeForUser(user: User, now: Date): Promise<BillingMode> {
         if (!this.config.enablePayment) {
             // Payment is not enabled. E.g. Self-Hosted.
             return { mode: "none" };
         }
-        if (!(await this.isBillingModeEnabled({ user }))) {
-            return { mode: "chargebee" };
-        }
 
         // Is Usage Based Billing enabled for this user or not?
         const teams = await this.teamDB.findTeamsByUser(user.id);
@@ -167,9 +152,6 @@ export class BillingModesImpl implements BillingModes {
             // Payment is not enabled. E.g. Self-Hosted.
             return { mode: "none" };
         }
-        if (!(await this.isBillingModeEnabled({ team }))) {
-            return { mode: "chargebee" };
-        }
         const now = _now.toISOString();
 
         // Is Usage Based Billing enabled for this team?

components/server/ee/src/workspace/gitpod-server-impl.ts

@@ -2012,21 +2012,6 @@ export class GitpodServerEEImpl extends GitpodServerImpl {
         return subscription;
     }
 
-    protected async isUsageBasedFeatureFlagEnabled(user: User): Promise<boolean> {
-        const teams = await this.teamDB.findTeamsByUser(user.id);
-        return await getExperimentsClientForBackend().getValueAsync("isUsageBasedBillingEnabled", false, {
-            user,
-            teams: teams,
-        });
-    }
-
-    protected async ensureIsUsageBasedFeatureFlagEnabled(user: User): Promise<void> {
-        const isUsageBasedBillingEnabled = await this.isUsageBasedFeatureFlagEnabled(user);
-        if (!isUsageBasedBillingEnabled) {
-            throw new ResponseError(ErrorCodes.PERMISSION_DENIED, "not allowed");
-        }
-    }
-
     protected async ensureChargebeeApiIsAllowed(sub: { user?: User; team?: Team }): Promise<void> {
         await this.ensureBillingMode(sub, (m) => m.mode === "chargebee");
     }