Feat: Add global Graphs

app/Http/Controllers/AdminController.php

@@ -18,7 +18,8 @@ class AdminController extends Controller
     // Admin dashboard (optional)
     public function index()
     {
-        return view('admin.dashboard');
+        $departments = Department::all();
+        return view('admin.dashboard', compact('departments'));
     }
 
     // View responses submitted by users
@@ -181,4 +182,86 @@ class AdminController extends Controller
             'total' => $total,
         ]);
     }
+
+    public function analyticsComparison(Request $request)
+    {
+        $departmentId = $request->query('department_id');
+
+        $models = [
+            'ActivitiesAttended' => ActivitiesAttended::class,
+            'ActivitiesOrganised' => ActivitiesOrganised::class,
+            'BooksPublished' => BooksPublished::class,
+            'ExternalEngagement' => ExternalEngagement::class,
+            'IvOrganised' => IvOrganised::class,
+            'OnlineCourse' => OnlineCourse::class,
+            'Patent' => Patent::class,
+            'Publication' => Publication::class,
+        ];
+
+        $data = [];
+
+        foreach ($models as $label => $model) {
+            $count = $model::where('department_id', $departmentId)->count();
+            $data[] = [
+                'label' => $label,
+                'count' => $count,
+            ];
+            $total = array_sum(array_column($data, 'count'));
+
+        }
+
+        return response()->json([
+            'labels' => array_column($data, 'label'),
+            'values' => array_column($data, 'count'),
+            'total' => $total
+        ]);
+    }
+
+    public function analyticsContribution(Request $request)
+    {
+        $model = $request->query('model', 'all');
+
+        $models = [
+            'ActivitiesAttended' => ActivitiesAttended::class,
+            'ActivitiesOrganised' => ActivitiesOrganised::class,
+            'BooksPublished' => BooksPublished::class,
+            'ExternalEngagement' => ExternalEngagement::class,
+            'IvOrganised' => IvOrganised::class,
+            'OnlineCourse' => OnlineCourse::class,
+            'Patent' => Patent::class,
+            'Publication' => Publication::class,
+        ];
+
+        $data = [];
+
+        if ($model === 'all') {
+            $departments = Department::all();
+
+            foreach ($departments as $department) {
+                $count = 0;
+                foreach ($models as $modelClass) {
+                    $count += $modelClass::where('department_id', $department->id)->count();
+                }
+                $data[] = [
+                    'label' => $department->name,
+                    'count' => $count,
+                ];
+                $total = array_sum(array_column($data, 'count'));
+            }
+        } else {
+            $modelClass = $models[$model];
+            $data = $modelClass::selectRaw('departments.name as label, COUNT(*) as count')
+                ->join('departments', 'department_id', '=', 'departments.id')
+                ->groupBy('departments.name')
+                ->get()
+                ->toArray();
+            $total = array_sum(array_column($data, 'count'));
+        }
+
+        return response()->json([
+            'labels' => array_column($data, 'label'),
+            'values' => array_column($data, 'count'),
+            'total' => $total
+        ]);
+    }
 }