Build out and push automatic report generation, remove emailing of every report indiidially

auto-report-mail/.dockerignore

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+node_modules

auto-report-mail/Dockerfile

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+FROM node:18-alpine
+
+RUN apk add --no-cache tzdata
+ENV TZ=Europe/London
+
+WORKDIR /usr/src/app
+COPY package*.json ./
+RUN npm install --production
+COPY . .
+CMD ["node", "index.js"]

auto-report-mail/index.js

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+import cron from 'node-cron';
+import nodemailer from 'nodemailer';
+
+const transporter = nodemailer.createTransport({
+        host: process.env.SMTP_HOST,
+        port: parseInt(process.env.SMTP_PORT || '587'),
+        secure: false,
+        auth: {
+            user: process.env.SMTP_USER,
+            pass: process.env.SMTP_PASS,
+        }
+});
+
+export async function sendReportEmail(start, end, subject = "TrACreport Summary") {
+  const url = new URL(process.env.WEBURL);
+  url.searchParams.set('start', start.toISOString().slice(0, 10));
+  url.searchParams.set('end', end.toISOString().slice(0, 10));
+  url.searchParams.set('password', process.env.PASSWORD);
+
+  const maxAttempts = 3;
+  const delay = (ms) => new Promise((res) => setTimeout(res, ms));
+
+  for (let attempt = 1; attempt <= maxAttempts; attempt++) {
+    try {
+      console.log(`📡 Attempt ${attempt}: fetching ${url}`);
+
+      const res = await fetch(url.toString());
+      if (!res.ok) throw new Error(`Fetch failed: ${res.status} ${res.statusText}`);
+
+      const html = await res.text();
+
+      await transporter.sendMail({
+        from: `"TrACreport Bot" <${process.env.SMTP_USER}>`,
+        to: process.env.MAIL_RECIPIENTS,
+        subject,
+        html,
+      });
+
+      console.log(`✅ Report emailed: ${subject} (${start.toISOString().slice(0, 10)})`);
+      return; // Success, exit function
+
+    } catch (err) {
+      console.error(`❌ Attempt ${attempt} failed:`, err);
+
+      if (attempt < maxAttempts) {
+        console.log(`⏳ Retrying in 5s...`);
+        await delay(5000); // Wait before retry
+      } else {
+        console.error(`🚫 All ${maxAttempts} attempts failed. Giving up.`);
+      }
+    }
+  }
+}
+
+// Daily Report
+cron.schedule('5 1 * * *', () => {
+  const today = new Date();
+  const yesterday = new Date(today);
+  yesterday.setUTCDate(today.getUTCDate() - 1);
+  sendReportEmail(yesterday, yesterday, "TrACreport Daily Report");
+});
+
+// Weekly Report
+cron.schedule('10 1 * * 1', () => {
+    const today = new Date();
+    const end = new Date(today);
+    end.setUTCDate(roday.getUTCDate() - 1);
+    const start = new Date(end);
+    start.setUTCDate(end.getUTCDate() - 6);
+    sendReportEmail(start, end, "TrACreport Weekly Report");
+})
+
+// Monthly Report
+cron.schedule('15 1 1 * *', () => {
+  const today = new Date();
+  const end = new Date(Date.UTC(today.getUTCFullYear(), today.getUTCMonth(), 0)); // Last day of previous month
+  const start = new Date(Date.UTC(end.getUTCFullYear(), end.getUTCMonth(), 1));   // First day of previous month
+  sendReportEmail(start, end, "TrACreport Monthly Report");
+});
+
+console.log('📅 TrACreport schedulers are active');

auto-report-mail/package-lock.json

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+{
+  "name": "auto-report-mail",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "auto-report-mail",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "node-cron": "^4.2.0",
+        "nodemailer": "^7.0.5"
+      }
+    },
+    "node_modules/node-cron": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-4.2.0.tgz",
+      "integrity": "sha512-nOdP7uH7u55w7ybQq9fusXtsResok+ErzvOBydJUPBBaQ9W+EfBaBWFPgJ8sOB7FWQednDvVBJtgP5xA0bME7Q==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/nodemailer": {
+      "version": "7.0.5",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-7.0.5.tgz",
+      "integrity": "sha512-nsrh2lO3j4GkLLXoeEksAMgAOqxOv6QumNRVQTJwKH4nuiww6iC2y7GyANs9kRAxCexg3+lTWM3PZ91iLlVjfg==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    }
+  }
+}

auto-report-mail/package.json

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+{
+  "name": "auto-report-mail",
+  "version": "1.0.0",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "node-cron": "^4.2.0",
+    "nodemailer": "^7.0.5"
+  }
+}