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<?php |
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declare(strict_types=1); |
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namespace Nxmad\Larapay\Traits; |
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use Nxmad\Larapay\Models\Transaction; |
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trait HasTransactions |
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{ |
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/** |
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* Setup transaction for subject without saving to database. |
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* |
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* @param float $amount |
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* @param array $meta |
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* @param string $state |
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* |
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* @return mixed |
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*/ |
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public function setup(float $amount, $meta = [], string $state = Transaction::PENDING): Transaction |
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{ |
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$class = $this->getTransactionClass(); |
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$meta = is_scalar($meta) ? ['description' => $meta] : $meta; |
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/** |
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* @var Transaction |
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*/ |
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$transaction = (new $class) |
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->setSubject($this) |
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->fill(compact('amount', 'meta', 'state')); |
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return $transaction; |
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} |
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/** |
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* Setup transaction and save it immediately. |
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* |
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* @param float $amount |
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* @param array $meta |
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* @param string $state |
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* |
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* @return Transaction |
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*/ |
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public function transaction(float $amount, array $meta = [], string $state = Transaction::PENDING): Transaction |
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{ |
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$transaction = $this->setup(...func_get_args()); |
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return $transaction($state); |
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} |
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/** |
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* Determine if Model's balance is enough for transaction |
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* |
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* @param Transaction $transaction |
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* |
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* @return bool |
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*/ |
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public function canAfford(Transaction $transaction): bool |
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{ |
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$balance = self::KEEP ? $this->attributes[self::KEEP] : $this->recalculateBalance(); |
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return $balance >= abs($transaction->amount); |
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} |
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/** |
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* Recalculate subject's balance. |
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* |
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* @return mixed |
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*/ |
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public function recalculateBalance() |
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{ |
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return $this->transactions() |
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->where('state', Transaction::SUCCESSFUL) |
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->get() |
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->sum('amount'); |
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} |
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/** |
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* Get internal Transaction class name |
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* |
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* @return string |
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*/ |
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protected function getTransactionClass(): string |
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{ |
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return app()->config->get('larapay.transaction'); |
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} |
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/** |
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* Get primary value. |
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* |
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* @return mixed |
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*/ |
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public function getPrimaryValue() |
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{ |
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return $this->{$this->primaryKey}; |
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} |
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/** |
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* Get polymorphic relation. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\MorphMany |
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*/ |
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public function transactions() |
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{ |
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return $this->morphMany($this->getTransactionClass(), 'subject'); |
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} |
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} |
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nxmad /
Larapay
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