ifnex/04_Laravel/app/Models/Wallet.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Wallet extends Model
{
    use SoftDeletes;

    protected $fillable = [
        'user_id',
        'balance',
        'total_deposited',
        'total_withdrawn',
        'is_frozen',
        'freeze_reason',
        'frozen_at',
        'frozen_by',
    ];

    protected $casts = [
        'balance' => 'decimal:2',
        'total_deposited' => 'decimal:2',
        'total_withdrawn' => 'decimal:2',
        'is_frozen' => 'boolean',
        'frozen_at' => 'datetime',
    ];

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function transactions(): HasMany
    {
        return $this->hasMany(WalletTransaction::class)->orderByDesc('created_at');
    }

    public function completedTransactions(): HasMany
    {
        return $this->transactions()->where('status', 'completed');
    }

    public function pendingTransactions(): HasMany
    {
        return $this->transactions()->where('status', 'pending');
    }

    public function activityLogs(): HasMany
    {
        return $this->hasMany(WalletActivityLog::class)->orderByDesc('created_at');
    }

    public function frozenByUser(): BelongsTo
    {
        return $this->belongsTo(User::class, 'frozen_by');
    }

    // Helper methods
    public function isFrozen(): bool
    {
        return (bool) ($this->is_frozen ?? false);
    }

    public function hasSufficientBalance(float $amount): bool
    {
        return $this->balance >= $amount && !$this->is_frozen;
    }

    public function freeze(string $reason, ?User $admin = null): bool
    {
        return $this->update([
            'is_frozen' => true,
            'freeze_reason' => $reason,
            'frozen_at' => now(),
            'frozen_by' => $admin?->id,
        ]);
    }

    public function unfreeze(?User $admin = null): bool
    {
        return $this->update([
            'is_frozen' => false,
            'freeze_reason' => null,
            'frozen_at' => null,
            'frozen_by' => null,
        ]);
    }

    public function refreshBalance(): self
    {
        $balance = $this->completedTransactions()->sum('amount');
        $totalDeposited = $this->completedTransactions()
            ->where('type', 'deposit')
            ->sum('amount');
        $totalWithdrawn = $this->completedTransactions()
            ->whereIn('type', ['withdrawal', 'order_payment'])
            ->sum('amount');

        $this->update([
            'balance' => $balance,
            'total_deposited' => $totalDeposited,
            'total_withdrawn' => abs($totalWithdrawn),
        ]);

        return $this->fresh();
    }
}