feat: 實作機台日誌核心功能與 IoT 高併發處理架構

app/Models/Member/MemberWallet.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class MemberWallet extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'member_id',
+        'balance',
+        'bonus_balance',
+    ];
+
+    protected $casts = [
+        'balance' => 'decimal:2',
+        'bonus_balance' => 'decimal:2',
+    ];
+
+    /**
+     * 所屬會員
+     */
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(Member::class);
+    }
+
+    /**
+     * 交易紀錄
+     */
+    public function transactions(): HasMany
+    {
+        return $this->hasMany(WalletTransaction::class, 'member_id', 'member_id');
+    }
+
+    /**
+     * 總餘額 (儲值 + 回饋)
+     */
+    public function getTotalBalanceAttribute(): float
+    {
+        return $this->balance + $this->bonus_balance;
+    }
+}