60 lines
2.2 KiB
PHP
60 lines
2.2 KiB
PHP
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<?php
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namespace App\Rules;
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use Illuminate\Contracts\Validation\ValidationRule;
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use Illuminate\Database\Eloquent\Model;
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/**
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* Check if the max count of children element is reached.
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*
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* @package App\Rules
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*/
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class IsMaxChildrenReached implements ValidationRule
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{
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/**
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* Construct method.
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*
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* @param Model $parentModel The parent Model.
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* @param string $relationName The name of the relation (used in whereRelation()).
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* @param integer $max The max count of children allowed.
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* @param integer|null $idToIgnore The id of the children model to ignore.
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* @return void
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*/
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public function __construct(
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private Model $parentModel,
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private string $relationName,
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private int $max,
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private int|null $idToIgnore = null
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) {
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}
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/**
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* Run the validation rule.
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*
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* @param string $attribute
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* @param mixed $value
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* @param \Closure(string):\Illuminate\Translation\PotentiallyTranslatedString $fail
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* @return void
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* @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
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* @phpcs:disable Squiz.Commenting.FunctionComment.IncorrectTypeHint
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*/
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public function validate(string $attribute, mixed $value, \Closure $fail): void
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{
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$children = $this->parentModel->where('id', $value)->first()->{$this->relationName};
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if (!is_null($this->idToIgnore)) {
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$children = $children->where('id', '!==', $this->idToIgnore);
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}
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if ($children->count() >= $this->max) {
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$parentName = str($this->parentModel->getTable())->singular();
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$childrenName = str($this->parentModel->{$this->relationName}()->getModel()->getTable())->singular();
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$fail(trans('crud.messages.rule_max_reached', [
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'parent' => str(trans_choice('models.classes.' . $parentName, 1))->title(),
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'max' => $this->max,
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'children' => str(trans_choice('models.classes.' . $childrenName, 1))->title()->plural()
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]));
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}
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}
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}
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