refactor: move minimal-connector to monorepo

examples/minimal-connector/src/cli.ts

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2018, 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {Logger} from '@openstapps/logger';
+import {Command} from 'commander';
+import {readFileSync} from 'fs';
+import {join} from 'path';
+import {executeConnector, isValidSCNamespace} from './common';
+import {MinimalConnector} from './minimal-connector';
+
+process.on('unhandledRejection', (error) => {
+  throw error;
+});
+
+const connectorVersion = JSON.parse(
+  readFileSync(join(__dirname, '..', 'package.json'))
+    .toString(),
+).version;
+
+const commander = new Command();
+
+/**
+ * Uses arguments to paramtrize the connector execution
+ * 
+ * backendURL - URL of the StApps backend deployment e.g. http://localhost:3000
+ * origin - Origin, where the data comes from. Typically the name of the connector e.g. minimal-connector
+ * licensePlate - The license plate of your school. Must be matched to a SCNamespace e.g. f-u
+ */
+commander
+  .command('run <backendURL> <origin> <licensePlate>')
+  .version(connectorVersion)
+  .action(async (backendURL: string, origin: string, licensePlate: string) => {
+
+      if (backendURL.length === 0) {
+        throw new Error('Param "backend" needs to have a length greater zero.');
+      }
+      const originRegex = /^[a-z\-\_0-9]+$/;
+      if (!originRegex.test(origin)) {
+        throw new Error('Origin name can only consist of lowercase letters from a-z, "-", "_" and integer numbers.');
+      }
+
+      if (!isValidSCNamespace(licensePlate)) {
+        throw new Error('Not a valid license plate. Please register a namespace with a unique-id in "core"');
+      }
+
+      // TODO for connector-developers: set your connector here
+      const connector = new MinimalConnector(licensePlate, origin);
+
+      await executeConnector(backendURL, connector);
+      Logger.ok('Done');
+    },
+  );
+
+commander.parse(process.argv);