Added routes, admin statistics to the controller and added models for coin transaction and coin transaction type

api/app/Http/Controllers/StatisticsController.php

@@ -7,6 +7,8 @@ use App\Models\Game;
 use App\Models\User;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
+use App\Models\CoinTransaction;
+use App\Models\CoinTransactionType;
 
 class StatisticsController extends Controller
 {
@@ -73,4 +75,63 @@ class StatisticsController extends Controller
             'current_balance' => $user->coins_balance, // Extra info
         ]);
     }
+
+    public function getAdminStats()
+    {
+        $totalPlayers = User::where('type', 'P')->count();
+        $totalGames = Game::count();
+        $totalBlockedUsers = User::where('blocked', true)->count();
+        
+        $gamesByType = Game::select('type', DB::raw('count(*) as total'))
+            ->groupBy('type')
+            ->get();
+
+        // 3. Games Per Month (Line/Bar Chart)
+        $gamesPerMonth = Game::select(
+                DB::raw('DATE_FORMAT(began_at, "%Y-%m") as month'), 
+                DB::raw('count(*) as total')
+            )
+            ->whereNotNull('began_at')
+            ->groupBy('month')
+            ->orderBy('month', 'desc')
+            ->limit(12)
+            ->get();
+
+        // 4. Financial/Coin Stats (Using the new Tables)
+        // We calculate "Revenue" based on the volume of "Coin purchase" transactions
+        
+        // Calculate Total Coins Purchased (All time)
+        // We join with types table to filter by name "Coin purchase"
+        $totalCoinsPurchased = CoinTransaction::whereHas('type', function($q) {
+                $q->where('name', 'Coin purchase');
+            })
+            ->sum('coins');
+
+        // Calculate Purchases Per Month (Time Series)
+        // Groups by 'transaction_datetime' (YYYY-MM)
+        $purchasesPerMonth = \App\Models\CoinTransaction::join('coin_transaction_types', 'coin_transactions.coin_transaction_type_id', '=', 'coin_transaction_types.id')
+            ->where('coin_transaction_types.name', 'Coin purchase')
+            ->select(
+                DB::raw('DATE_FORMAT(coin_transactions.transaction_datetime, "%Y-%m") as month'), 
+                DB::raw('SUM(coin_transactions.coins) as total_coins')
+            )
+            ->groupBy('month')
+            ->orderBy('month', 'desc')
+            ->limit(12)
+            ->get();
+
+        return response()->json([
+            'global_counters' => [
+                'total_players' => $totalPlayers,
+                'total_games' => $totalGames,
+                'blocked_users' => $totalBlockedUsers,
+                'total_coins_purchased' => (int) $totalCoinsPurchased, // Cast to int
+            ],
+            'charts' => [
+                'games_by_type' => $gamesByType,
+                'games_per_month' => $gamesPerMonth,
+                'purchases_per_month' => $purchasesPerMonth,
+            ]
+        ]);
+    }
 }