Randomizing order of rows in the exported sheet

Author: viktorcsimma

app/Exports/UsersSheets/AnonymousQuestionsExport.php

@@ -31,7 +31,10 @@ public function __construct(Semester $semester)
      */
     public function collection(): \Illuminate\Support\Collection
     {
-        return $this->semester->answerSheets;
+        return $this->semester->answerSheets()
+            ->orderBy('year_of_acceptance')
+            ->inRandomOrder()    // so that they cannot be tracked as easily
+            ->get();
     }
 
     /**

app/Models/AnonymousQuestions/AnswerSheet.php

@@ -89,13 +89,13 @@ public static function createForCurrentUser(Semester $semester = null): AnswerSh
     /**
      * Returns an array with the data associated with the sheet:
      * year of acceptance and then textual answers to the questions
-     * in order of ascending id.
+     * in order of their ids.
      * (For multiple-choice questions, the separators between the choices are commas.)
+     * The id of the sheet is omitted for better pseudonomity.
      */
     public function toArray(): array
     {
         $row = [
-            $this->id,
             $this->semester->tag,
             $this->year_of_acceptance
         ];