Change default cron schedule to standard cron syntax.

Resolves #357

Readme.md

@@ -19,7 +19,7 @@ The config file is stored in the mounted `/usr/app/config` volume and can be nam
 ```jsonc
 {
   "runOnStartup": true,
-  "cronSchedule": "0 0/6 * * *",
+  "cronSchedule": "0 0,6,12,18 * * *",
   "logLevel": "info",
   "webPortalConfig": {
     "baseUrl": "https://epic.example.com",

examples/deployment.k8s.yaml

@@ -6,7 +6,7 @@ data:
   account1: |
     {
       "runOnStartup": true,
-      "cronSchedule": "0 0/6 * * *",
+      "cronSchedule": "0 0,6,12,18 * * *",
       "logLevel": "info",
       "webPortalConfig": {
         "baseUrl": "https://epic.example.com",

src/common/config/classes.ts

@@ -625,7 +625,7 @@ export enum LogLevel {
  * @example ```jsonc
  * {
  *   "runOnStartup": true,
- *   "cronSchedule": "0 0/6 * * *",
+ *   "cronSchedule": "0 0,6,12,18 * * *",
  *   "logLevel": "info",
  *   "webPortalConfig": {
  *     "baseUrl": "https://epic.example.com",
@@ -675,12 +675,12 @@ export class AppConfig {
    * **It is recommended to run every 6 hours, otherwise the refresh tokens will expire after 8 hours and a new login will be prompted every run.**
    * If you want the check to occur immediately after the new free game is released, you can offset the cron schedule. For example in a timezone where the free games release at 11:00am: `0 5,11,17,23 * * *`
    * @example 0 5,11,17,23 * * *
-   * @default 0 0/6 * * * (every six hours)
+   * @default 0 0,6,12,18 * * * (every six hours)
    * @env CRON_SCHEDULE
    */
   @IsOptional()
   @IsString()
-  cronSchedule = process.env.CRON_SCHEDULE || '0 */6 * * *';
+  cronSchedule = process.env.CRON_SCHEDULE || '0 0,6,12,18 * * *';
 
   /**
    * The search criteria for finding free games. Either the weekly promotion, and free promotion, or all free products.

src/common/config/setup.ts

@@ -84,7 +84,7 @@ const cronIntervalMs = nextDate.getTime() - prevDate.getTime();
 const intervalMinimumMs = 7 * 60 * 60 * 1000; // 7 hours
 if (cronIntervalMs > intervalMinimumMs) {
   L.warn(
-    { yourCronSchedule: cronSchedule, everySixCronSchedule: '0 0/6 * * *' },
+    { yourCronSchedule: cronSchedule, everySixCronSchedule: '0 0,6,12,18 * * *' },
     'Your cronSchedule configuration is not set to run often enough to ensure the device auth refresh token can stay valid. This can result in device auth login prompts being sent on every run. It is recommended to set the cron schedule to run every 6 hours.'
   );
 }