From 9f4257ae2ef7b7d96e54294ff7e42a5cf382233f Mon Sep 17 00:00:00 2001
From: Pier-Paolo Mammi <pierpaolo.mammi@gmail.com>
Date: Thu, 18 Jun 2026 16:05:20 +0200
Subject: [PATCH] Selenium

- add headless option
- add function to wait for downloaded file
- add logging
---
 tools/selenium/export-module.js | 71 ++++++++++++++++++++++++++++++---
 1 file changed, 65 insertions(+), 6 deletions(-)

diff --git a/tools/selenium/export-module.js b/tools/selenium/export-module.js
index 059d73c..6918afe 100644
--- a/tools/selenium/export-module.js
+++ b/tools/selenium/export-module.js
@@ -1,6 +1,25 @@
 const { Builder, Browser, By, until } = require('selenium-webdriver');
 const { Options } = require('selenium-webdriver/chrome');
 const path = require('path');
+const fs = require('fs');
+
+// Taken from: <https://stackoverflow.com/a/70040209>; feel free to make a better implementation, if you want to!
+async function checkFileExist(path, timeout = 2000)
+{
+    let totalTime = 0; 
+    let checkTime = timeout / 10;
+
+    return await new Promise((resolve, reject) => {
+        const timer = setInterval(function() {
+            totalTime += checkTime;
+            let fileExists = fs.existsSync(path);
+            if (fileExists || totalTime >= timeout) {
+                clearInterval(timer);
+                resolve(fileExists);
+            }
+        }, checkTime);
+    });
+}
 
 (async function exportElixFormsModule() {
     // Override with environment variables, if they exist
@@ -23,6 +42,7 @@ const path = require('path');
         'download.directory_upgrade': true,
         'safebrowsing.enabled': true               // Avoid blocking
     });
+    options.addArguments("--headless");
 
     let driver = await new Builder()
         .forBrowser(Browser.CHROME)
@@ -34,8 +54,25 @@ const path = require('path');
     // Implicit timeouts
     await driver.manage().setTimeouts({ implicit: 3000 });
 
+    console.log(`Starting export for module: ${moduleName}`);
+
+    // Cleanup download directory before starting
+    if (!fs.existsSync(downloadDir)) {
+        console.log(`Creating download directory: ${downloadDir}`);
+        fs.mkdirSync(downloadDir);
+    } else {
+        console.log(`Cleaning up download directory: ${downloadDir}`);
+        fs.readdirSync(downloadDir).forEach(file => {
+            fs.unlinkSync(path.join(downloadDir, file));
+        });
+    }
+
+    console.log(`Navigating to login page...`);
+
     await driver.get('https://console-unipr.elixforms.it/backoffice/');
 
+    console.log(`Logging in with username: ${username}`);
+
     await driver
         .findElement(By.id('username'))
         .sendKeys(username); // 'Automation_User'
@@ -48,7 +85,8 @@ const path = require('path');
         .findElement(By.name('INSERT_BTN00000'))
         .click();
 
-    // Wait for "Benvenuto" (quit if not found, likely login failed)
+    console.log(`Waiting for "Benvenuto" (quit if not found, likely login failed)`);
+
     await driver
         .wait(until.elementLocated(By.id('title_0')), 10000)
         .catch(() => {
@@ -57,6 +95,8 @@ const path = require('path');
             process.exit(1);
         });
 
+    console.log(`Navigating to module export page...`);
+
     await driver
         .navigate()
         .to('https://console-unipr.elixforms.it/rwe2/admin_console.jsp');
@@ -66,19 +106,27 @@ const path = require('path');
     await moduleSearchTextbox.sendKeys(moduleName);
     await moduleSearchTextbox.sendKeys('\n');
 
+    console.log(`Waiting for search results...`);
+
     // Needed to wait for the search results to load before clicking the export button
     await driver.sleep(2000);
 
+    console.log(`Clicking export button for module: ${moduleName}`);
+
     await driver
         .findElement(By.xpath('//div[contains(@class, "item")][1]'))
         .findElement(By.xpath('.//input[starts-with(@name, "INSERT_BTN_USER_")]'))
         .click()
 
+    console.log(`Clicking "Esporta il modulo" link...`);
+
     await driver
         .findElement(By.linkText('Esporta il modulo'))
         .click();
 
-    // Wait for the new tab to open and switch to it
+
+    console.log(`Waiting for the new tab to finish loading content...`);
+
     await driver.wait(async () => (await driver.getAllWindowHandles()).length === 2, 5000);
     const windows = await driver.getAllWindowHandles();
     windows.forEach(async handle => {
@@ -87,22 +135,33 @@ const path = require('path');
         }
     });
 
-    // Wait for the new tab to finish loading content
     let moduleProtocol = await driver.findElement(By.id('moduleProtocol'));
     if (!await moduleProtocol.isSelected()) {
         await moduleProtocol.click();
     }
 
+    let moduleId = await driver.findElement(By.id('moduleId')).getAttribute('value');
+    let moduleFilename ="elxforms_" + moduleId + ".elx";
+
     await driver
         .findElement(By.id('download'))
         .click();
 
     let downloadLink = await driver.wait(until.elementLocated(By.linkText('Scarica il modulo')));
     let href = await downloadLink.getAttribute('href');
-    downloadLink.click();
 
-    // Wait for the download to complete (this is a simple approach, adjust as needed)
-    await driver.sleep(5000);
+    console.log(`Found download link: ${href}; clicking to download the module as ${moduleFilename}...`);
+
+    await downloadLink.click();
+
+    console.log(`Waiting for the file to be downloaded to ${downloadDir}...`);
+
+    let downloadedFilePath = path.join(downloadDir, moduleFilename);
+    await checkFileExist(downloadedFilePath, 5000);
+
+    console.log(`File downloaded!`);
 
     await driver.quit();
+
+    return downloadedFilePath;
 })();