update controllers logic

app/Services/Parents/PrimaryParentUserResolver.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Services\Parents;
+
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+
+/**
+ * Maps the logged-in parent-family account to the primary parent's user id
+ * (stored on {@see \App\Models\Student::$parent_id}), matching CodeIgniter
+ * {@see \App\Controllers\ParentReportCardController::resolvePrimaryParentId}.
+ */
+final class PrimaryParentUserResolver
+{
+    public function resolveFromUser(?User $user): ?int
+    {
+        if ($user === null) {
+            return null;
+        }
+
+        return $this->resolveFromCredentials((int) $user->id, (string) ($user->user_type ?? ''));
+    }
+
+    /**
+     * @param int $userId Session user id (may be secondary/tertiary login).
+     */
+    public function resolveFromCredentials(int $userId, string $userType): ?int
+    {
+        $userType = strtolower(trim($userType));
+        if ($userType === 'primary') {
+            return $userId > 0 ? $userId : null;
+        }
+
+        if ($userType === 'secondary') {
+            $row = DB::table('parents')
+                ->select('parent_id')
+                ->where('secondparent_user_id', $userId)
+                ->first();
+
+            return $row ? (int) ($row->parent_id ?? 0) ?: null : null;
+        }
+
+        if ($userType === 'tertiary') {
+            $row = DB::table('authorized_users')
+                ->select('user_id')
+                ->where('authorized_user_id', $userId)
+                ->first();
+
+            return $row ? (int) ($row->user_id ?? 0) ?: null : null;
+        }
+
+        return $userId > 0 ? $userId : null;
+    }
+}