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<?php
namespace Maatwebsite\Excel\Validators;
use Illuminate\Contracts\Validation\Factory;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException as IlluminateValidationException;
use Maatwebsite\Excel\Concerns\SkipsOnFailure;
use Maatwebsite\Excel\Concerns\WithValidation;
use Maatwebsite\Excel\Exceptions\RowSkippedException;
class RowValidator
{
/**
* @var Factory
*/
private $validator;
/**
* @param Factory $validator
*/
public function __construct(Factory $validator)
{
$this->validator = $validator;
}
/**
* @param array $rows
* @param WithValidation $import
*
* @throws ValidationException
* @throws RowSkippedException
*/
public function validate(array $rows, WithValidation $import)
{
$rules = $this->rules($import);
$messages = $this->messages($import);
$attributes = $this->attributes($import);
try {
$validator = $this->validator->make($rows, $rules, $messages, $attributes);
if (method_exists($import, 'withValidator')) {
$import->withValidator($validator);
}
$validator->validate();
} catch (IlluminateValidationException $e) {
$failures = [];
foreach ($e->errors() as $attribute => $messages) {
$row = strtok($attribute, '.');
$attributeName = strtok('');
$attributeName = $attributes['*.' . $attributeName] ?? $attributeName;
$failures[] = new Failure(
$row,
$attributeName,
str_replace($attribute, $attributeName, $messages),
$rows[$row] ?? []
);
}
if ($import instanceof SkipsOnFailure) {
$import->onFailure(...$failures);
throw new RowSkippedException(...$failures);
}
throw new ValidationException(
$e,
$failures
);
}
}
/**
* @param WithValidation $import
*
* @return array
*/
private function messages(WithValidation $import): array
{
return method_exists($import, 'customValidationMessages')
? $this->formatKey($import->customValidationMessages())
: [];
}
/**
* @param WithValidation $import
*
* @return array
*/
private function attributes(WithValidation $import): array
{
return method_exists($import, 'customValidationAttributes')
? $this->formatKey($import->customValidationAttributes())
: [];
}
/**
* @param WithValidation $import
*
* @return array
*/
private function rules(WithValidation $import): array
{
return $this->formatKey($import->rules());
}
/**
* @param array $elements
*
* @return array
*/
private function formatKey(array $elements): array
{
return collect($elements)->mapWithKeys(function ($rule, $attribute) {
$attribute = Str::startsWith($attribute, '*.') ? $attribute : '*.' . $attribute;
return [$attribute => $this->formatRule($rule)];
})->all();
}
/**
* @param string|object|callable|array $rules
*
* @return string|array
*/
private function formatRule($rules)
{
if (is_array($rules)) {
foreach ($rules as $rule) {
$formatted[] = $this->formatRule($rule);
}
return $formatted ?? [];
}
if (is_object($rules) || is_callable($rules)) {
return $rules;
}
if (Str::contains($rules, 'required_if') && preg_match('/(.*):(.*),(.*)/', $rules, $matches)) {
$column = Str::startsWith($matches[2], '*.') ? $matches[2] : '*.' . $matches[2];
return $matches[1] . ':' . $column . ',' . $matches[3];
}
return $rules;
}
}