58 lines
1012 B
PHP
58 lines
1012 B
PHP
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<?php
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namespace Illuminate\Database\Eloquent\Concerns;
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trait HasUniqueIds
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{
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/**
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* Indicates if the model uses unique ids.
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*
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* @var bool
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*/
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public $usesUniqueIds = false;
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/**
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* Determine if the model uses unique ids.
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*
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* @return bool
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*/
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public function usesUniqueIds()
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{
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return $this->usesUniqueIds;
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}
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/**
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* Generate unique keys for the model.
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*
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* @return void
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*/
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public function setUniqueIds()
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{
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foreach ($this->uniqueIds() as $column) {
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if (empty($this->{$column})) {
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$this->{$column} = $this->newUniqueId();
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}
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}
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}
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/**
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* Generate a new key for the model.
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*
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* @return string
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*/
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public function newUniqueId()
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{
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return null;
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}
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/**
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* Get the columns that should receive a unique identifier.
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*
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* @return array
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*/
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public function uniqueIds()
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{
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return [];
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}
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}
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