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<?php
namespace Laravel\Nova;
use Illuminate\Support\Facades\Validator;
use Laravel\Nova\Contracts\PivotableField;
use Laravel\Nova\Http\Requests\NovaRequest;
trait PerformsValidation
{
/**
* Validate a resource creation request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return void
*
* @throws \Illuminate\Validation\ValidationException
*/
public static function validateForCreation(NovaRequest $request)
{
static::validatorForCreation($request)
->addCustomAttributes(self::attributeNamesForFields($request)->toArray())
->validate();
}
/**
* Create a validator instance for a resource creation request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return \Illuminate\Contracts\Validation\Validator
*/
public static function validatorForCreation(NovaRequest $request)
{
return Validator::make($request->all(), static::rulesForCreation($request))
->after(function ($validator) use ($request) {
static::afterValidation($request, $validator);
static::afterCreationValidation($request, $validator);
});
}
/**
* Get the validation rules for a resource creation request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return array
*/
public static function rulesForCreation(NovaRequest $request)
{
return static::formatRules($request, (self::newResource())
->creationFields($request)
->reject(function ($field) use ($request) {
return $field->isReadonly($request);
})
->mapWithKeys(function ($field) use ($request) {
return $field->getCreationRules($request);
})->all());
}
/**
* Get the creation validation rules for a specific field.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param string $field
* @return array
*/
public static function creationRulesFor(NovaRequest $request, $field)
{
return static::formatRules($request, self::newResource()
->availableFields($request)
->where('attribute', $field)
->mapWithKeys(function ($field) use ($request) {
return $field->getCreationRules($request);
})->all());
}
/**
* Validate a resource update request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param \Laravel\Nova\Resource|null $resource
* @return void
*
* @throws \Illuminate\Validation\ValidationException
*/
public static function validateForUpdate(NovaRequest $request, $resource = null)
{
static::validatorForUpdate($request, $resource)
->addCustomAttributes(self::attributeNamesForFields($request)->toArray())
->validate();
}
/**
* Create a validator instance for a resource update request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param \Laravel\Nova\Resource|null $resource
* @return \Illuminate\Contracts\Validation\Validator
*/
public static function validatorForUpdate(NovaRequest $request, $resource = null)
{
return Validator::make($request->all(), static::rulesForUpdate($request, $resource))
->after(function ($validator) use ($request) {
static::afterValidation($request, $validator);
static::afterUpdateValidation($request, $validator);
});
}
/**
* Get the validation rules for a resource update request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param \Laravel\Nova\Resource|null $resource
* @return array
*/
public static function rulesForUpdate(NovaRequest $request, $resource = null)
{
$resource = $resource ?? self::newResource();
return static::formatRules($request, $resource->updateFields($request)
->reject(function ($field) use ($request) {
return $field->isReadonly($request);
})
->mapWithKeys(function ($field) use ($request) {
return $field->getUpdateRules($request);
})->all());
}
/**
* Get the update validation rules for a specific field.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param string $field
* @return array
*/
public static function updateRulesFor(NovaRequest $request, $field)
{
return static::formatRules($request, self::newResource()
->availableFields($request)
->where('attribute', $field)
->mapWithKeys(function ($field) use ($request) {
return $field->getUpdateRules($request);
})->all());
}
/**
* Validate a resource attachment request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return void
*
* @throws \Illuminate\Validation\ValidationException
*/
public static function validateForAttachment(NovaRequest $request)
{
static::validatorForAttachment($request)->validate();
}
/**
* Create a validator instance for a resource attachment request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return \Illuminate\Contracts\Validation\Validator
*/
public static function validatorForAttachment(NovaRequest $request)
{
return Validator::make($request->all(), static::rulesForAttachment($request));
}
/**
* Get the validation rules for a resource attachment request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return array
*/
public static function rulesForAttachment(NovaRequest $request)
{
return static::formatRules($request, self::newResource()
->creationPivotFields($request, $request->relatedResource)
->mapWithKeys(function ($field) use ($request) {
return $field->getCreationRules($request);
})->all());
}
/**
* Validate a resource attachment update request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return void
*
* @throws \Illuminate\Validation\ValidationException
*/
public static function validateForAttachmentUpdate(NovaRequest $request)
{
static::validatorForAttachmentUpdate($request)->validate();
}
/**
* Create a validator instance for a resource attachment update request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return \Illuminate\Contracts\Validation\Validator
*/
public static function validatorForAttachmentUpdate(NovaRequest $request)
{
return Validator::make($request->all(), static::rulesForAttachmentUpdate($request));
}
/**
* Get the validation rules for a resource attachment update request.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return array
*/
public static function rulesForAttachmentUpdate(NovaRequest $request)
{
return static::formatRules($request, self::newResource()
->updatePivotFields($request, $request->relatedResource)
->mapWithKeys(function ($field) use ($request) {
return $field->getUpdateRules($request);
})->all());
}
/**
* Perform any final formatting of the given validation rules.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param array $rules
* @return array
*/
protected static function formatRules(NovaRequest $request, array $rules)
{
$replacements = array_filter([
'{{resourceId}}' => str_replace(['\'', '"', ',', '\\'], '', $request->resourceId),
]);
if (empty($replacements)) {
return $rules;
}
return collect($rules)->map(function ($rules) use ($replacements) {
return collect($rules)->map(function ($rule) use ($replacements) {
return is_string($rule)
? str_replace(array_keys($replacements), array_values($replacements), $rule)
: $rule;
})->all();
})->all();
}
/**
* Get the validation attribute for a specific field.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param string $field
* @return string
*/
public static function validationAttributeFor(NovaRequest $request, $field)
{
return self::newResource()
->availableFields($request)
->filter(function ($field) {
return ! $field instanceof PivotableField;
})
->firstWhere('resourceName', $field)
->getValidationAttribute($request);
}
/**
* Get the validation attachable attribute for a specific field.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param string $field
* @return string
*/
public static function validationAttachableAttributeFor(NovaRequest $request, $field)
{
return self::newResource()
->availableFields($request)
->filter(function ($field) {
return $field instanceof PivotableField;
})
->firstWhere('resourceName', $field)
->getValidationAttribute($request);
}
/**
* Map field attributes to field names.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @return \Illuminate\Support\Collection
*/
private static function attributeNamesForFields(NovaRequest $request)
{
return (new static(static::newModel()))
->availableFields($request)
->reject(function ($item) {
return empty($item->name);
})
->mapWithKeys(function ($item) {
return [$item->attribute => $item->name];
});
}
/**
* Handle any post-validation processing.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param \Illuminate\Validation\Validator $validator
* @return void
*/
protected static function afterValidation(NovaRequest $request, $validator)
{
//
}
/**
* Handle any post-creation validation processing.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param \Illuminate\Contracts\Validation\Validator $validator
* @return void
*/
protected static function afterCreationValidation(NovaRequest $request, $validator)
{
//
}
/**
* Handle any post-update validation processing.
*
* @param \Laravel\Nova\Http\Requests\NovaRequest $request
* @param \Illuminate\Contracts\Validation\Validator $validator
* @return void
*/
protected static function afterUpdateValidation(NovaRequest $request, $validator)
{
//
}
}
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