restructure directories

* set log level based on env

apps/server/src/common/helpers/utils.ts

@@ -0,0 +1,36 @@
+import * as path from 'path';
+import * as bcrypt from 'bcrypt';
+
+export const envPath = path.resolve(process.cwd(), '..', '..', '.env');
+
+export async function hashPassword(password: string) {
+  const saltRounds = 12;
+  return bcrypt.hash(password, saltRounds);
+}
+
+export async function comparePasswordHash(
+  plainPassword: string,
+  passwordHash: string,
+): Promise<boolean> {
+  return bcrypt.compare(plainPassword, passwordHash);
+}
+
+export type RedisConfig = {
+  host: string;
+  port: number;
+  password?: string;
+};
+
+export function parseRedisUrl(redisUrl: string): RedisConfig {
+  // format - redis[s]://[[username][:password]@][host][:port][/db-number]
+  const { hostname, port, password } = new URL(redisUrl);
+  const portInt = parseInt(port, 10);
+
+  return { host: hostname, port: portInt, password };
+}
+
+export function createRetryStrategy() {
+  return function (times: number): number {
+    return Math.max(Math.min(Math.exp(times), 20000), 3000);
+  };
+}