reconstruction of the project

app/Services/Administrator/AdministratorMetricsService.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Services\Administrator;
+
+use App\Models\LoginActivity;
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+
+class AdministratorMetricsService
+{
+    public function __construct(
+        protected AdministratorSharedService $shared,
+        protected User $userModel,
+        protected LoginActivity $loginActivityModel,
+    ) {
+    }
+
+    public function metrics(): array
+    {
+        $schoolYear = $this->shared->getSchoolYear();
+        $semester = $this->shared->getSemester();
+
+        $recentActivities = method_exists($this->loginActivityModel, 'getLastActivities')
+            ? ($this->loginActivityModel->getLastActivities(4) ?? [])
+            : [];
+
+        $totalAdmins = method_exists($this->userModel, 'countAdminsBySchoolYear')
+            ? (int) ($this->userModel->countAdminsBySchoolYear($schoolYear) ?? 0)
+            : 0;
+
+        $teachers = method_exists($this->userModel, 'getUsersByRoleAndSchoolYear')
+            ? ($this->userModel->getUsersByRoleAndSchoolYear('teacher', $schoolYear) ?? [])
+            : [];
+
+        $teacherAssistants = method_exists($this->userModel, 'getUsersByRoleAndSchoolYear')
+            ? ($this->userModel->getUsersByRoleAndSchoolYear('teacher_assistant', $schoolYear) ?? [])
+            : [];
+
+        $parents = method_exists($this->userModel, 'getUsersByRoleAndSchoolYear')
+            ? ($this->userModel->getUsersByRoleAndSchoolYear('parent', $schoolYear) ?? [])
+            : [];
+
+        $totalStudents = (int) (
+            DB::table('student_class')
+                ->join('students', 'students.id', '=', 'student_class.student_id')
+                ->where('student_class.school_year', $schoolYear)
+                ->whereNotNull('student_class.class_section_id')
+                ->where('students.is_active', 1)
+                ->distinct('student_class.student_id')
+                ->count('student_class.student_id')
+        );
+
+        return [
+            'counts' => [
+                'students' => $totalStudents,
+                'teachers' => $this->shared->countUniqueEntities($teachers),
+                'teacherAssistants' => $this->shared->countUniqueEntities($teacherAssistants),
+                'admins' => $totalAdmins,
+                'parents' => $this->shared->countUniqueEntities($parents),
+            ],
+            'recentActivities' => collect($recentActivities)->map(function ($activity) {
+                return [
+                    'login_time' => is_array($activity) ? ($activity['login_time'] ?? null) : ($activity->login_time ?? null),
+                    'email' => is_array($activity) ? ($activity['email'] ?? null) : ($activity->email ?? null),
+                ];
+            })->values()->all(),
+            'meta' => [
+                'schoolYear' => $schoolYear,
+                'semester' => $semester,
+            ],
+        ];
+    }
+}