fix: stop loading all trade data into memory

app/Http/Controllers/Admin/Characters/CharacterController.php

@@ -14,7 +14,6 @@
 use App\Models\Species\Subtype;
 use App\Models\Trade;
 use App\Models\User\User;
-use App\Models\User\UserItem;
 use App\Services\CharacterManager;
 use App\Services\TradeManager;
 use Illuminate\Http\Request;
@@ -671,30 +670,12 @@ public function getTradeQueue($type) {
 
         $openTransfersQueue = Settings::get('open_transfers_queue');
 
-        $stacks = [];
-        foreach ($trades->get() as $trade) {
-            foreach ($trade->data as $side=> $assets) {
-                if (isset($assets['user_items'])) {
-                    $user_items = UserItem::with('item')->find(array_keys($assets['user_items']));
-                    $items = [];
-                    foreach ($assets['user_items'] as $id=> $quantity) {
-                        $user_item = $user_items->find($id);
-                        $user_item['quantity'] = $quantity;
-                        array_push($items, $user_item);
-                    }
-                    $items = collect($items)->groupBy('item_id');
-                    $stacks[$trade->id][$side] = $items;
-                }
-            }
-        }
-
         return view('admin.masterlist.character_trades', [
             'trades'             => $trades->orderBy('id', 'DESC')->paginate(20),
             'tradesQueue'        => Settings::get('open_transfers_queue'),
             'openTransfersQueue' => $openTransfersQueue,
             'transferCount'      => $openTransfersQueue ? CharacterTransfer::active()->where('is_approved', 0)->count() : 0,
             'tradeCount'         => $openTransfersQueue ? Trade::where('status', 'Pending')->count() : 0,
-            'stacks'             => $stacks,
         ]);
     }
 

app/Http/Controllers/Users/TradeController.php

@@ -36,26 +36,8 @@ public function getIndex($status = 'open') {
             $query->where('recipient_id', Auth::user()->id)->orWhere('sender_id', Auth::user()->id);
         })->where('status', ucfirst($status))->orderBy('id', 'DESC');
 
-        $stacks = [];
-        foreach ($trades->get() as $trade) {
-            foreach ($trade->data as $side=> $assets) {
-                if (isset($assets['user_items'])) {
-                    $user_items = UserItem::with('item')->find(array_keys($assets['user_items']));
-                    $items = [];
-                    foreach ($assets['user_items'] as $id=> $quantity) {
-                        $user_item = $user_items->find($id);
-                        $user_item['quantity'] = $quantity;
-                        array_push($items, $user_item);
-                    }
-                    $items = collect($items)->groupBy('item_id');
-                    $stacks[$trade->id][$side] = $items;
-                }
-            }
-        }
-
         return view('home.trades.index', [
             'trades' => $trades->paginate(20),
-            'stacks' => $stacks,
         ]);
     }
 

app/Models/Trade.php

@@ -5,6 +5,7 @@
 use App\Facades\Settings;
 use App\Models\Character\Character;
 use App\Models\User\User;
+use App\Models\User\UserItem;
 
 class Trade extends Model {
     /**
@@ -24,6 +25,16 @@ class Trade extends Model {
      * @var string
      */
     protected $table = 'trades';
+
+    /**
+     * The attributes that should be cast to native types.
+     *
+     * @var array
+     */
+    protected $casts = [
+        'data' => 'array',
+    ];
+
     /**
      * Whether the model contains timestamps to be saved and updated.
      *
@@ -107,21 +118,34 @@ public function getIsConfirmableAttribute() {
     }
 
     /**
-     * Get the data attribute as an associative array.
+     * Gets the URL of the trade.
      *
-     * @return array
+     * @return string
      */
-    public function getDataAttribute() {
-        return json_decode($this->attributes['data'], true);
+    public function getUrlAttribute() {
+        return url('trades/'.$this->id);
     }
 
     /**
-     * Gets the URL of the trade.
+     * Gets the stacks of the trade keyed by sender and recipient.
      *
-     * @return string
+     * @return array
      */
-    public function getUrlAttribute() {
-        return url('trades/'.$this->id);
+    public function getStacksAttribute() {
+        $stacks = [];
+        foreach ($this->data as $side => $assets) {
+            if (isset($assets['user_items'])) {
+                $user_items = UserItem::with('item')->find(array_keys($assets['user_items']));
+                $items = $user_items->map(function ($user_item) use ($assets) {
+                    $user_item['quantity'] = $assets['user_items'][$user_item->id];
+
+                    return $user_item;
+                });
+                $stacks[$side] = $items->groupBy('item_id');
+            }
+        }
+
+        return $stacks;
     }
 
     /**********************************************************************************************

app/Services/TradeManager.php

@@ -56,7 +56,9 @@ public function createTrade($data, $user) {
             ]);
 
             if ($assetData = $this->handleTradeAssets($trade, $data, $user)) {
-                $trade->data = json_encode(['sender' => getDataReadyAssets($assetData['sender'])]);
+                $trade->data = [
+                    'sender' => getDataReadyAssets($assetData['sender']),
+                ];
                 $trade->save();
 
                 // send a notification
@@ -103,7 +105,7 @@ public function editTrade($data, $user) {
                 $tradeData = $trade->data;
                 $isSender = ($trade->sender_id == $user->id);
                 $tradeData[$isSender ? 'sender' : 'recipient'] = getDataReadyAssets($assetData[$isSender ? 'sender' : 'recipient']);
-                $trade->data = json_encode($tradeData);
+                $trade->data = $tradeData;
                 $trade->{'is_'.($isSender ? 'sender' : 'recipient').'_confirmed'} = 0;
                 $trade->{'is_'.($isSender ? 'recipient' : 'sender').'_trade_confirmed'} = 0;
                 $trade->save();

resources/views/home/trades/_trade.blade.php

@@ -1,8 +1,12 @@
 <div class="card mb-3">
     <div class="card-header">
-        <h2 class="mb-0"><span
-                class="float-right badge badge-{{ $trade->status == 'Pending' || $trade->status == 'Open' || $trade->status == 'Canceled' ? 'secondary' : ($trade->status == 'Completed' ? 'success' : 'danger') }}">{{ $trade->status }}</span><a
-                href="{{ $trade->url }} ">Trade (#{{ $trade->id }})</a></h2>
+        <h2 class="mb-0">
+            <span class="float-right badge badge-{{ $trade->status == 'Pending' || $trade->status == 'Open' || $trade->status == 'Canceled' ? 'secondary' : ($trade->status == 'Completed' ? 'success' : 'danger') }}">{{ $trade->status }}</span>
+            <a href="{{ $trade->url }} ">Trade (#{{ $trade->id }})</a>
+        </h2>
+        @if ($trade->staff)
+            Processed by {!! $trade->staff->displayName !!}
+        @endif
     </div>
     <div class="card-body">
         @if ($trade->comments)
@@ -29,7 +33,7 @@ class="float-right badge badge-{{ $trade->status == 'Pending' || $trade->status
                     'user' => $trade->sender,
                     'data' => isset($trade->data['sender']) ? parseAssetData($trade->data['sender']) : null,
                     'trade' => $trade,
-                    'stacks' => isset($stacks[$trade->id]['sender']) ? $stacks[$trade->id]['sender'] : null,
+                    'stacks' => isset($trade->stacks['sender']) ? $trade->stacks['sender'] : [],
                 ])
             </div>
             <div class="col-md-6">
@@ -51,7 +55,7 @@ class="float-right badge badge-{{ $trade->status == 'Pending' || $trade->status
                     'user' => $trade->recipient,
                     'data' => isset($trade->data['recipient']) ? parseAssetData($trade->data['recipient']) : null,
                     'trade' => $trade,
-                    'stacks' => isset($stacks[$trade->id]['recipient']) ? $stacks[$trade->id]['recipient'] : null,
+                    'stacks' => isset($trade->stacks['recipient']) ? $trade->stacks['recipient'] : [],
                 ])
             </div>
         </div>