feat: allow limiting max orgs

src/entities/orgs/guards/max-org-guard.ts

@@ -0,0 +1,14 @@
+import { guard } from '../../../commons/express/guard';
+import { Orgs } from '../org';
+import { env } from '../../../env';
+
+export const maxOrgsGuard = guard(
+  async req => {
+    if (env.MELI_MAX_ORGS === 0) {
+      return true;
+    }
+    const count = await Orgs().countDocuments({}, { limit: 1 });
+    return count < env.MELI_MAX_ORGS;
+  },
+  'Cannot create more orgs',
+);

src/entities/orgs/handlers/create-org.ts

@@ -11,6 +11,7 @@ import { object, string } from 'joi';
 import { uuid } from '../../../utils/uuid';
 import { serializeUserOrg } from '../serialize-user-org';
 import { EventType } from '../../../events/app-event';
+import { maxOrgsGuard } from '../guards/max-org-guard';
 
 const validators = [
   body(object({
@@ -77,5 +78,6 @@ async function handler(req: Request, res: Response): Promise<void> {
 
 export const createOrg = [
   ...validators,
+  maxOrgsGuard,
   wrapAsyncMiddleware(handler),
 ];

src/env.ts

@@ -1,13 +1,9 @@
 import chalk from 'chalk';
 import { cidrSubnet } from 'ip';
-import {
-  array, boolean, number, string,
-} from 'joi';
+import { array, boolean, number, string } from 'joi';
 import { tmpdir } from 'os';
 import { EnvSpec, parseEnv } from './commons/env/parse-env';
-import {
-  commaSeparatedStringToArray, stringToBoolean, stringToInt,
-} from './commons/env/transformers';
+import { commaSeparatedStringToArray, stringToBoolean, stringToInt } from './commons/env/transformers';
 import { AppError } from './commons/errors/app-error';
 import { isUrl } from './commons/validators/is-url';
 import { Logger } from './commons/logger/logger';
@@ -75,6 +71,7 @@ export interface Env {
   MELI_AXIOS_TIMEOUT: number;
   MELI_USER: string;
   MELI_PASSWORD: string;
+  MELI_MAX_ORGS: number;
 }
 
 const envSpec: EnvSpec<Env> = {
@@ -311,6 +308,10 @@ const envSpec: EnvSpec<Env> = {
   MELI_PASSWORD: {
     schema: string().optional(),
   },
+  MELI_MAX_ORGS: {
+    transform: stringToInt(),
+    schema: number().optional().default(1),
+  },
 };
 
 export const env: Env = parseEnv(envSpec);