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[server] Introduce EntitlementServiceChargbee and move parts of EligibilityService into it
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‎components/server/ee/src/billing/entitlement-service-chargebee.ts

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/**
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* Copyright (c) 2022 Gitpod GmbH. All rights reserved.
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* Licensed under the GNU Affero General Public License (AGPL).
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* See License-AGPL.txt in the project root for license information.
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*/
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import { TeamDB, TeamSubscription2DB, TeamSubscriptionDB, UserDB } from "@gitpod/gitpod-db/lib";
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import { Accounting, SubscriptionService } from "@gitpod/gitpod-payment-endpoint/lib/accounting";
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import {
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User,
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WorkspaceInstance,
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WorkspaceTimeoutDuration,
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WORKSPACE_TIMEOUT_DEFAULT_LONG,
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WORKSPACE_TIMEOUT_DEFAULT_SHORT,
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} from "@gitpod/gitpod-protocol";
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import { RemainingHours } from "@gitpod/gitpod-protocol/lib/accounting-protocol";
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import { MAX_PARALLEL_WORKSPACES, Plans } from "@gitpod/gitpod-protocol/lib/plans";
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import { millisecondsToHours } from "@gitpod/gitpod-protocol/lib/util/timeutil";
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import { LicenseEvaluator } from "@gitpod/licensor/lib";
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import { Feature } from "@gitpod/licensor/lib/api";
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import { inject, injectable } from "inversify";
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import { EntitlementService } from "../../../src/billing/entitlement-service";
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import { Config } from "../../../src/config";
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import { AccountStatementProvider, CachedAccountStatement } from "../user/account-statement-provider";
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import { HitParallelWorkspaceLimit, MayStartWorkspaceResult } from "../user/eligibility-service";
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@injectable()
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export class EntitlementServiceChargebee implements EntitlementService {
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@inject(Config) protected readonly config: Config;
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@inject(SubscriptionService) protected readonly subscriptionService: SubscriptionService;
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@inject(AccountStatementProvider) protected readonly accountStatementProvider: AccountStatementProvider;
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@inject(TeamSubscriptionDB) protected readonly teamSubscriptionDb: TeamSubscriptionDB;
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@inject(UserDB) protected readonly userDb: UserDB;
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@inject(TeamDB) protected readonly teamDb: TeamDB;
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@inject(TeamSubscription2DB) protected readonly teamSubscription2Db: TeamSubscription2DB;
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@inject(LicenseEvaluator) protected readonly licenseEvaluator: LicenseEvaluator;
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async mayStartWorkspace(
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user: User,
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date: Date,
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runningInstances: Promise<WorkspaceInstance[]>,
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): Promise<MayStartWorkspaceResult> {
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if (!this.config.enablePayment) {
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return { enoughCredits: true };
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}
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const hasHitParallelWorkspaceLimit = async (): Promise<HitParallelWorkspaceLimit | undefined> => {
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const max = await this.getMaxParallelWorkspaces(user);
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const instances = (await runningInstances).filter((i) => i.status.phase !== "preparing");
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const current = instances.length; // >= parallelWorkspaceAllowance;
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if (current >= max) {
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return {
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current,
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max,
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};
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} else {
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return undefined;
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}
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};
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const [enoughCredits, hitParallelWorkspaceLimit] = await Promise.all([
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this.checkEnoughCreditForWorkspaceStart(user.id, date, runningInstances),
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hasHitParallelWorkspaceLimit(),
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]);
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return {
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enoughCredits: !!enoughCredits,
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hitParallelWorkspaceLimit,
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};
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}
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protected async getMaxParallelWorkspaces(user: User, date: Date = new Date()): Promise<number> {
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// if payment is not enabled users can start as many parallel workspaces as they want
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if (!this.config.enablePayment) {
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return MAX_PARALLEL_WORKSPACES;
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}
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const subscriptions = await this.subscriptionService.getNotYetCancelledSubscriptions(user, date.toISOString());
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return subscriptions.map((s) => Plans.getParallelWorkspacesById(s.planId)).reduce((p, v) => Math.max(p, v));
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}
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protected async checkEnoughCreditForWorkspaceStart(
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userId: string,
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date: Date,
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runningInstances: Promise<WorkspaceInstance[]>,
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): Promise<boolean> {
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// As retrieving a full AccountStatement is expensive we want to cache it as much as possible.
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const cachedAccountStatement = this.accountStatementProvider.getCachedStatement();
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const lowerBound = this.getRemainingUsageHoursLowerBound(cachedAccountStatement, date.toISOString());
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if (lowerBound && (lowerBound === "unlimited" || lowerBound > Accounting.MINIMUM_CREDIT_FOR_OPEN_IN_HOURS)) {
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return true;
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}
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const remainingUsageHours = await this.accountStatementProvider.getRemainingUsageHours(
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userId,
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date.toISOString(),
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runningInstances,
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);
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return remainingUsageHours > Accounting.MINIMUM_CREDIT_FOR_OPEN_IN_HOURS;
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}
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/**
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* Tries to calculate the lower bound of remaining usage hours based on cached AccountStatements
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* with the goal to improve workspace startup times.
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*/
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protected getRemainingUsageHoursLowerBound(
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cachedStatement: CachedAccountStatement | undefined,
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date: string,
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): RemainingHours | undefined {
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if (!cachedStatement) {
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return undefined;
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}
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if (cachedStatement.remainingHours === "unlimited") {
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return "unlimited";
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}
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const diffInMillis = new Date(cachedStatement.endDate).getTime() - new Date(date).getTime();
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const maxPossibleUsage = millisecondsToHours(diffInMillis) * MAX_PARALLEL_WORKSPACES;
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return cachedStatement.remainingHours - maxPossibleUsage;
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}
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async maySetTimeout(user: User, date: Date = new Date()): Promise<boolean> {
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if (!this.config.enablePayment) {
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// when payment is disabled users can do everything
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return true;
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}
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const subscriptions = await this.subscriptionService.getNotYetCancelledSubscriptions(user, date.toISOString());
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const eligblePlans = [
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Plans.PROFESSIONAL_EUR,
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Plans.PROFESSIONAL_USD,
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Plans.PROFESSIONAL_STUDENT_EUR,
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Plans.PROFESSIONAL_STUDENT_USD,
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Plans.TEAM_PROFESSIONAL_EUR,
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Plans.TEAM_PROFESSIONAL_USD,
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Plans.TEAM_PROFESSIONAL_STUDENT_EUR,
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Plans.TEAM_PROFESSIONAL_STUDENT_USD,
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].map((p) => p.chargebeeId);
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return subscriptions.filter((s) => eligblePlans.includes(s.planId!)).length > 0;
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}
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/**
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* Returns the default workspace timeout for the given user at a given point in time
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* @param user
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* @param date The date for which we want to know the default workspace timeout (depends on active subscription)
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*/
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async getDefaultWorkspaceTimeout(user: User, date: Date = new Date()): Promise<WorkspaceTimeoutDuration> {
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if (this.config.enablePayment) {
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if (await this.maySetTimeout(user, date)) {
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return WORKSPACE_TIMEOUT_DEFAULT_LONG;
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} else {
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return WORKSPACE_TIMEOUT_DEFAULT_SHORT;
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}
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}
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const userCount = await this.userDb.getUserCount(true);
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// the self-hosted case
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if (!this.licenseEvaluator.isEnabled(Feature.FeatureSetTimeout, userCount)) {
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return WORKSPACE_TIMEOUT_DEFAULT_SHORT;
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}
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return WORKSPACE_TIMEOUT_DEFAULT_LONG;
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}
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async hasFixedWorkspaceResources(user: User, date: Date = new Date()): Promise<boolean> {
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const subscriptions = await this.subscriptionService.getNotYetCancelledSubscriptions(user, date.toISOString());
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const eligblePlans = [
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Plans.PROFESSIONAL_EUR,
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Plans.PROFESSIONAL_USD,
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Plans.TEAM_PROFESSIONAL_EUR,
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Plans.TEAM_PROFESSIONAL_USD,
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].map((p) => p.chargebeeId);
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return subscriptions.filter((s) => eligblePlans.includes(s.planId!)).length > 0;
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}
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async userGetsMoreResources(user: User, date: Date = new Date()): Promise<boolean> {
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if (!this.config.enablePayment) {
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// when payment is disabled users can do everything
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return true;
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}
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const now = date.toISOString();
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const subscriptions = await this.subscriptionService.getNotYetCancelledSubscriptions(user, now);
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const eligiblePlans = [Plans.TEAM_PROFESSIONAL_EUR, Plans.TEAM_PROFESSIONAL_USD].map((p) => p.chargebeeId);
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const relevantSubscriptions = subscriptions.filter((s) => eligiblePlans.includes(s.planId!));
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if (relevantSubscriptions.length === 0) {
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// user has no subscription that grants "more resources"
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return false;
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}
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// some TeamSubscriptions are marked with 'excludeFromMoreResources' to convey that those are _not_ receiving more resources
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const excludeFromMoreResources = await Promise.all(
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relevantSubscriptions.map(async (s): Promise<boolean> => {
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if (s.teamMembershipId) {
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const team = await this.teamDb.findTeamByMembershipId(s.teamMembershipId);
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if (!team) {
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return true;
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}
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const ts2 = await this.teamSubscription2Db.findForTeam(team.id, now);
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if (!ts2) {
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return true;
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}
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return ts2.excludeFromMoreResources;
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}
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if (!s.teamSubscriptionSlotId) {
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return false;
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}
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const ts = await this.teamSubscriptionDb.findTeamSubscriptionBySlotId(s.teamSubscriptionSlotId);
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return !!ts?.excludeFromMoreResources;
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}),
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);
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if (excludeFromMoreResources.every((b) => b)) {
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// if all TS the user is part of are marked this way, we deny that privilege
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return false;
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}
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return true;
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}
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}

‎components/server/ee/src/container-module.ts

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@@ -61,6 +61,8 @@ import { SnapshotService } from "./workspace/snapshot-service";
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import { BitbucketAppSupport } from "./bitbucket/bitbucket-app-support";
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import { UserCounter } from "./user/user-counter";
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import { BitbucketServerApp } from "./prebuilds/bitbucket-server-app";
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import { EntitlementService } from "../../src/billing/entitlement-service";
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import { EntitlementServiceChargebee } from "./billing/entitlement-service-chargebee";
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export const productionEEContainerModule = new ContainerModule((bind, unbind, isBound, rebind) => {
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rebind(Server).to(ServerEE).inSingletonScope();
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bind(ChargebeeCouponComputer).toSelf().inSingletonScope();
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bind(ChargebeeService).toSelf().inSingletonScope();
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bind(StripeService).toSelf().inSingletonScope();
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bind(EntitlementServiceChargebee).toSelf().inSingletonScope();
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rebind(EntitlementService).to(EntitlementServiceChargebee).inSingletonScope();
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});

‎components/server/ee/src/user/eligibility-service.spec.db.ts

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@@ -9,8 +9,7 @@ import { DBUser, DBIdentity, UserDB, AccountingDB, TeamSubscriptionDB } from "@g
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import { TypeORM } from "@gitpod/gitpod-db/lib/typeorm/typeorm";
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import { Subscription } from "@gitpod/gitpod-protocol/lib/accounting-protocol";
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import { Plans } from "@gitpod/gitpod-protocol/lib/plans";
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import * as chai from "chai";
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import { suite, test, timeout } from "mocha-typescript";
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import { suite, timeout } from "mocha-typescript";
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import { Config } from "../../../src/config";
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import { EligibilityService } from "./eligibility-service";
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import { DBSubscription } from "@gitpod/gitpod-db/lib/typeorm/entity/db-subscription";
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import { TokenProvider } from "../../../src/user/token-provider";
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import { AccountStatementProvider } from "./account-statement-provider";
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const expect = chai.expect;
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const localTestContainer = testContainer.createChild();
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localTestContainer.bind(EligibilityService).toSelf().inSingletonScope();
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localTestContainer
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return { plan, sub, ts, slot };
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}
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@timeout(5000)
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@test
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async testUserGetsMoreResources() {
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await this.createTsSubscription();
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const actual = await this.cut.userGetsMoreResources(this.user);
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expect(actual, "user with Team Unleashed gets 'more resources'").to.equal(true);
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}
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@timeout(5000)
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@test
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async testUserGetsMoreResources_excludeFromMoreResources() {
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await this.createTsSubscription(true);
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const actual = await this.cut.userGetsMoreResources(this.user);
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expect(
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actual,
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"user with Team Unleashed but excludeFromMoreResources set does not get 'more resources'",
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).to.equal(false);
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}
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// TODO(gpl) These should be moved over to EntitlementService.spec.ts
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// @timeout(5000)
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// @test
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// async testUserGetsMoreResources() {
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// await this.createTsSubscription();
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// const actual = await this.cut.userGetsMoreResources(this.user);
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// expect(actual, "user with Team Unleashed gets 'more resources'").to.equal(true);
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// }
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// @timeout(5000)
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// @test
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// async testUserGetsMoreResources_excludeFromMoreResources() {
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// await this.createTsSubscription(true);
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// const actual = await this.cut.userGetsMoreResources(this.user);
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// expect(
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// actual,
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// "user with Team Unleashed but excludeFromMoreResources set does not get 'more resources'",
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// ).to.equal(false);
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// }
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}
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module.exports = new AccountServiceSpec();

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