Survey change to reduce prompts to users (#3913)

# Description of Changes

<!--
Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: Dario Ghunney Ware <dariogware@gmail.com>

stirling-pdf/src/main/resources/static/js/downloader.js

@@ -2,6 +2,13 @@
   if (window.isDownloadScriptInitialized) return; // Prevent re-execution
   window.isDownloadScriptInitialized = true;
 
+  // Global PDF processing count tracking for survey system
+  window.incrementPdfProcessingCount = function() {
+    let pdfProcessingCount = parseInt(localStorage.getItem('pdfProcessingCount') || '0');
+    pdfProcessingCount++;
+    localStorage.setItem('pdfProcessingCount', pdfProcessingCount.toString());
+  };
+
   const {
     pdfPasswordPrompt,
     multipleInputsForSingleRequest,
@@ -312,6 +319,11 @@
           pdf_pages: pageCount,
         });
       }
+
+      // Increment PDF processing count for survey tracking
+      if (success && typeof window.incrementPdfProcessingCount === 'function') {
+        window.incrementPdfProcessingCount();
+      }
     }
   }
 

stirling-pdf/src/main/resources/static/js/multitool/PdfContainer.js

@@ -271,6 +271,11 @@ class PdfContainer {
           pdf_pages: pageCount,
         });
       }
+
+      // Increment PDF processing count for survey tracking
+      if (success && typeof window.incrementPdfProcessingCount === 'function') {
+        window.incrementPdfProcessingCount();
+      }
     } catch { }
   }
 

stirling-pdf/src/main/resources/static/js/pages/home.js

@@ -66,19 +66,16 @@ document.addEventListener('DOMContentLoaded', function () {
   const dontShowAgain = document.getElementById('dontShowAgain');
   const takeSurveyButton = document.getElementById('takeSurvey');
 
-  const viewThresholds = [5, 10, 15, 22, 30, 50, 75, 100, 150, 200];
+  const pdfProcessingThresholds = [8, 15, 22, 35, 50, 75, 100, 150];
 
-  // Check if survey version changed and reset page views if it did
+  // Check if survey version changed and reset PDF processing count if it did
   const storedVersion = localStorage.getItem('surveyVersion');
   if (storedVersion && storedVersion !== surveyVersion) {
-    localStorage.setItem('pageViews', '0');
+    localStorage.setItem('pdfProcessingCount', '0');
     localStorage.setItem('surveyVersion', surveyVersion);
   }
 
-  let pageViews = parseInt(localStorage.getItem('pageViews') || '0');
-
-  pageViews++;
-  localStorage.setItem('pageViews', pageViews.toString());
+  let pdfProcessingCount = parseInt(localStorage.getItem('pdfProcessingCount') || '0');
 
   function shouldShowSurvey() {
     if(!window.showSurvey) {
@@ -90,11 +87,11 @@ document.addEventListener('DOMContentLoaded', function () {
     }
 
     // If survey version changed and we hit a threshold, show the survey
-    if (localStorage.getItem('surveyVersion') !== surveyVersion && viewThresholds.includes(pageViews)) {
+    if (localStorage.getItem('surveyVersion') !== surveyVersion && pdfProcessingThresholds.includes(pdfProcessingCount)) {
       return true;
     }
 
-    return viewThresholds.includes(pageViews);
+    return pdfProcessingThresholds.includes(pdfProcessingCount);
   }
 
   if (shouldShowSurvey()) {