Add monthly dummy data refresh cron job

backend/Dockerfile

@@ -17,6 +17,7 @@ RUN npm install
 
 # Bundle app source
 COPY .env* .
+COPY init-demo.sql .
 
 # Setup pdfmake VFS
 RUN mkdir node_modules/pdfmake/report

backend/src/cron/monthlyDummyData.js

@@ -0,0 +1,30 @@
+const util = require("util");
+const exec = util.promisify(require("child_process").exec);
+const { CronJob } = require("cron");
+const { logError } = require("../modules/logging");
+
+new CronJob(
+  "0 4 1 * *", // 4 am on the 1st day of every month
+  async () => {
+    try {
+      const bashCommand = `PGPASSWORD=${process.env.DB_PASSWORD} psql -h ${process.env.DB_DEMO_HOST} -U ${process.env.DB_USER} -d ${process.env.DB_NAME} -a -f ../../init-demo.sql`;
+      const options = {
+        cwd: __dirname,
+      };
+
+      const { stderr } = await exec(bashCommand, options);
+
+      if (stderr) {
+        throw new Error(stderr);
+      }
+    } catch (error) {
+      logError(
+        "cron/monthlyDummyData",
+        `a problem occurred while running the monthlyDummyData job\n${error.stack}`,
+      );
+    }
+  },
+  null,
+  true,
+  "Europe/Lisbon",
+);

backend/src/index.js

@@ -79,4 +79,5 @@ app.listen(process.env.PORT, () => {
 });
 
 require("./cron/weeklyBackup");
+require("./cron/monthlyDummyData");
 require("./cron/dailyReminders");