Add maintenance mode functionality to deployment workflow

.github/workflows/deployfe.yml

@@ -6,23 +6,15 @@ name: Deploy to Github Pages
 on:
   workflow_dispatch:
     inputs:
-      logLevel:
-        description: 'Log level'
+      maintenance:
+        description: 'Maintenance mode'
         required: true
-        default: 'warning'
+        default: 'disabled'
         type: choice
         options:
-        - info
-        - warning
-        - debug
-      tags:
-        description: 'Test scenario tags'
-        required: false
-        type: boolean
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
+        - enabled
+        - delayed
+        - disabled
   schedule:
       - cron: '0 8,12,16,20 * * *'
   push:
@@ -79,6 +71,8 @@ jobs:
       - name: Install Frontend Packages
         if : github.ref == 'refs/heads/main' || contains(github.event.pull_request.labels.*.name, 'deploy')
         run: pnpm install
+      - name: Check maintenance mode
+        run: ACTION=${{ inputs.maintenance }} pnpm maintenance
       - name: Build Frontend
         if : github.ref == 'refs/heads/main' || contains(github.event.pull_request.labels.*.name, 'deploy')
         run: pnpm --filter "viewer" build

package.json

@@ -24,6 +24,7 @@
         "optimize-api-provider-logos": "rimraf ./optimized/api-provider & svgo -q -p 8 -f ./raw/api-providers -o ./optimized/api-provider",
         "build": "pnpm run optimize-chain-logos && pnpm run optimize-symbol-logos && pnpm run optimize-api-provider-logos && node scripts/build-svg.js",
         "fetch": "node scripts/fetch-missing.js",
+        "maintenance": "node scripts/toggle-mainteance-mode.js",
         "version-check": "node scripts/version-check.js",
         "package": "pnpm run build",
         "lint": "pnpm run format:check && pnpm run lint:eslint",

scripts/toggle-mainteance-mode.js

@@ -0,0 +1,66 @@
+const fs = require('fs');
+const os = require('os');
+
+function setEnvValue(value) {
+    // read file from hdd & split if from a linebreak to a array
+    const ENV_VARS = fs.readFileSync('./.env', 'utf8').split(os.EOL);
+
+    if (!ENV_VARS) {
+        console.error('No .env file found');
+        throw new Error('No .env file found');
+    }
+
+    const line = ENV_VARS.find((line) => {
+        return line.includes('VITE_APP_MAINTENANCE_START_TIME');
+    });
+
+    if (!line) {
+        ENV_VARS.push(`VITE_APP_MAINTENANCE_START_TIME=${value}`);
+    }
+
+    // find the env we want based on the key
+    const target = ENV_VARS.indexOf(line);
+
+    // replace the key/value with the new value
+    ENV_VARS.splice(target, 1, `VITE_APP_MAINTENANCE_START_TIME=${value}`);
+
+    // write everything back to the file system
+    fs.writeFileSync('./.env', ENV_VARS.join(os.EOL));
+}
+
+function enableMaintenanceMode(isDelayed) {
+    const now = new Date();
+    const nowPlus15Minutes = new Date(now.getTime() + 15 * 60000);
+    const ticks = isDelayed ? Math.floor(nowPlus15Minutes.getTime() / 1000) : Math.floor(now.getTime() / 1000);
+    setEnvValue(ticks.toString());
+}
+
+function disableMaintenanceMode() {
+    setEnvValue('');
+}
+
+function main() {
+    const command = process.env.ACTION;
+
+    if (!command) {
+        console.error('No command provided. Please use enable or disable');
+        process.exit(1);
+    }
+
+    switch (command) {
+        case 'enable':
+            enableMaintenanceMode();
+            break;
+        case 'delayed':
+            enableMaintenanceMode(true);
+            break;
+        case 'disable':
+            disableMaintenanceMode();
+            break;
+        default:
+            console.error('Invalid command. Please use enable or disable');
+            process.exit(1);
+    }
+}
+
+main();