recreate project

app/Services/Calculators/ProjectCalculator.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Services\Calculators;
+
+use App\Interfaces\ScoreCalculatorInterface;
+use App\Models\ProjectModel;
+
+class ProjectCalculator implements ScoreCalculatorInterface
+{
+    private $projectModel;
+
+    public function __construct(ProjectModel $projectModel)
+    {
+        $this->projectModel = $projectModel;
+    }
+
+    /**
+     * Calculate the average project score for a student
+     *
+     * @param int $studentId
+     * @param string $semester
+     * @param string $schoolYear
+     * @return array Returns ['project_avg' => float|null]
+     * @throws \RuntimeException If no project scores are found
+     */
+    public function calculate(int $studentId, string $semester, string $schoolYear, ?int $classSectionId = null): array
+    {
+        $average = $this->projectModel->getAverageProjectScore($studentId, $semester, $schoolYear, $classSectionId);
+        
+        return ['project_avg' => $average !== null ? (float) $average : null];
+    }
+}