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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Database\Eloquent\Concerns;
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use Illuminate\Database\Eloquent\ModelNotFoundException;
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use Illuminate\Support\Str;
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trait HasUuids
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{
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    /**
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     * Generate a primary UUID for the model.
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     *
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     * @return void
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     */
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    public static function bootHasUuids()
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    {
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        static::creating(function (self $model) {
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            foreach ($model->uniqueIds() as $column) {
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                if (empty($model->{$column})) {
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                    $model->{$column} = $model->newUniqueId();
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                }
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            }
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        });
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    }
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    /**
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     * Generate a new UUID for the model.
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     *
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     * @return string
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     */
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    public function newUniqueId()
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    {
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        return (string) Str::orderedUuid();
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    }
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    /**
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     * Get the columns that should receive a unique identifier.
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     *
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     * @return array
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     */
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    public function uniqueIds()
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    {
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        return [$this->getKeyName()];
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    }
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    /**
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     * Retrieve the model for a bound value.
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     *
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     * @param  \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Relations\Relation  $query
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     * @param  mixed  $value
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     * @param  string|null  $field
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     * @return \Illuminate\Database\Eloquent\Relations\Relation
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     *
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     * @throws \Illuminate\Database\Eloquent\ModelNotFoundException
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     */
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    public function resolveRouteBindingQuery($query, $value, $field = null)
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    {
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        if ($field && in_array($field, $this->uniqueIds()) && ! Str::isUuid($value)) {
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            throw (new ModelNotFoundException)->setModel(get_class($this), $value);
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        }
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        if (! $field && in_array($this->getRouteKeyName(), $this->uniqueIds()) && ! Str::isUuid($value)) {
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            throw (new ModelNotFoundException)->setModel(get_class($this), $value);
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        }
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        return parent::resolveRouteBindingQuery($query, $value, $field);
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    }
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    /**
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     * Get the auto-incrementing key type.
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     *
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     * @return string
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     */
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    public function getKeyType()
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    {
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        if (in_array($this->getKeyName(), $this->uniqueIds())) {
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            return 'string';
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        }
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        return $this->keyType;
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    }
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    /**
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     * Get the value indicating whether the IDs are incrementing.
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     *
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     * @return bool
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     */
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    public function getIncrementing()
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    {
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        if (in_array($this->getKeyName(), $this->uniqueIds())) {
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            return false;
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        }
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        return $this->incrementing;
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    }
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}