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Package laravel-model-validation
Short Description Salvation for your model validation.
License MIT
Homepage https://github.com/steven-fox/laravel-model-validation
Informations about the package laravel-model-validation
Salvation for your model validation.
This package makes it easy to add validation helpers to your Eloquent models. Some similar packages already exist, but this package aims to achieve flawless functionality in a customizable, Laravel-esque way.
The purpose of this package is to:
- Reduce code duplication by providing a single location where the baseline validation configuration is defined for your models.
- Make it easy to retrieve that configuration to supplement specific validation scenarios (like FormRequests, admin forms/actions, console input, etc.).
- Provide data integrity for applications by ensuring models adhere to a particular set of rules that is independent of UI.
Key Features
- Adds several validation methods to your models like
validate()
,passesValidation()
, andfailsValidation()
. - Validation can be configured to occur automatically when saving the model (opt-in via an interface and can be turned off globally when needed).
- Validation rules can be configured as a single definition or broken out into independent rules for creating vs. updating.
- Validation rules can be superseded or mixed with custom rules at runtime.
- The data used for validation can be customized and transformed prior to validating.
- Models can define custom validation messages and attribute names.
- The validation configuration (data, rules, messages, names) are accessible via public methods, so incorporating them into validation processes with requests, controllers, Nova, Filament, etc. is easy.
- Model event hooks for
validating
andvalidated
are provided, easy to work with, and can be used in your existing model observers. - Custom validation listeners can be defined for specific model events.
- Helpers are provided to work with
Unique
rules that need to ignore the current model record when updating. - A custom ValidationException is thrown that includes the model that was validated as a property to assist with debugging, logging, and error messages.
Installation
You can install the package via composer:
Usage
The ValidatesAttributes
Trait
Add validation functionality to a Model by:
- Adding the
StevenFox\LaravelModelValidation\ValidatesAttributes
trait to the model. - Defining the rules on the model via one or more of the available methods:
baseValidationRules()
,validationRulesUniqueToCreating()
,validationRulesUniqueToUpdating()
,validationRulesForCreating()
,validationRulesForUpdating()
.
The ValidatesWhenSaving
Interface
You can make a model automatically perform validation when saving by adding the \StevenFox\LaravelModelValiation\Contracts\ValidatesWhenSaving
interface.
This is an opt-in feature. Without implementing this interface on your individual models, you can still perform validation on command; it simply won't be performed during the save()
process automatically.
Validation Listeners
By default, this package will register an event listener for the creating
and updating
model events that performs the validation prior to saving the model. You can customize this behavior by overloading the static validatingListeners()
method on your models. Here is the default implementation that you can adjust to your needs.
Note: We specifically use the
creating
andupdating
events over the more generalsaving
event so that we don't redundantly validate a model that is "saved" without any changed attributes (which does NOT fire anupdating
event, saving us from redundancy).Note: Keep in mind that the automatic validation process is implemented with Laravel's model event system. Thus, if you perform a
saveQuietly()
or do something else that disables/halts the model's event chain, you will disable the automatic validation as a consequence.
More Control Over Validation Rules
You can use the following methods to gain finer control over the validation rules used in particular situations.
Unique Columns
Specifying an attribute as unique
is a common validation need. Therefore, this package provides a shortcut that you can use in the baseValidationRules()
method for your unique columns. The helper function will simply define a Unique
rule for the attribute, and when the model record already exists in the database, the rule will automatically invoke the ignoreModel($this)
method.
Runtime Customization for Rules
Superseding Rules
You can use the setSupersedingValidationRules()
method to set temporary rules that will replace all other rules defined on the model.
Note: You can temporarily disable a specific model instance's validation by setting the
supersedingValidationRules
to an empty array. The validation process will still run, but with no rules to validate against, the model will automatically pass.
Mixin Rules
You can use the addMixinValidationRules()
and setMixinValidationRules()
methods to define rules that will be merged with the other rules defined on the model. The rules you mixin for a particular attribute will replace any existing rules for that attribute.
For example, suppose your model specifies that a dateTime column must simply be a date
by default, but for a particular situation, you want to ensure that the attribute's value is a date after a particular moment. You can do this by mixing in this custom ruleset for this attribute at runtime.
Validation Data
By default, this package will use the model's getAttributes()
method as the data to pass to the validator instance. Normally, the array returned from the getAttributes()
method represents the raw values that will be stored within the database. This means attributes with casting will be mutated into the format used for storage, making the validation logic as seamless as possible. For example, most date attributes on models are cast to Carbon
instances, but when validating dates, the validator needs to receive the string representation of the date, not a Carbon
instance.
If you need to customize the attributes used as data for validation, you can do so in two ways:
- Overload the
rawAttributesForValidation()
method and return what you need. - Overload the
prepareAttributesForValidation($attributes)
method to transform the default attribute values into a validation-ready state.
Accessing Validation Configuration
You can access a model's validation rules, data, messages, and attribute names using the following methods.
Globally Disabling Validation When Saving
It is possible to disable the automatic validation during the save process for models that implement the ValidatesOnSave
interface. This can be helpful when setting up a particular test, for example.
Option 1
Call the static disableValidationWhenSaving()
on a validating model class. This will disable validation until you explicitly activate it again. This is similar to the Model::unguard()
concept, and like unguarding, you would likely do the disabling of validation in the boot
method of a ServiceProvider
.
Option 2
Call the static whileValidationDisables()
method, passing in a callback that executes the logic you would like to perform while automatic validation is globally disabled. This is similar to the Model::unguarded($callback)
concept.
Validation Model Events
This package adds validating
and validated
model events. It also registers these as "observable events", which means you can listen for them within your model observer classes, like you would for saving
, deleting
, etc.
When implementing a listener for this event, the model record emitting the event and the related validator instance will be supplied to the callback.
Similar to the other observable model events, this package provides static validating($callback)
and validated($callback)
methods that you can use to register listeners for these events.
The Validator Instance
You can access the Validator instance that was last used to perform the validate()
process with the validator()
method.
Note: A new validator instance is instantiated and stored on the model instance each time the
validate()
method is invoked.
Customizing the Validator
You can customize the validator instance with the beforeMakingValidator()
and afterMakingValidator($validator)
methods on a model.
Note: The
afterMakingValidator()
method can be a great place to specifyafter
hooks for your validation process.
You can pass custom validation messages and custom attribute names to the validator via the customValidationMessages()
and customValidationAttributeNames()
methods respectively.
Validation Exception
When the validate()
method is invoked and validation fails, a ModelValidationException
is thrown by default. This exception extends Laravel's ValidationException
, but stores a reference to the model record that failed validation to make debugging or error messages easier to handle.
You can provide your own validation exception by overloading the validationExceptionClass()
or throwValidationException($validator)
methods.
Testing
Changelog
Please see CHANGELOG for more information on what has changed recently.
Contributing
Please see CONTRIBUTING for details.
Security Vulnerabilities
Please review our security policy on how to report security vulnerabilities.
Credits
- Steven Fox
- All Contributors
License
The MIT License (MIT). Please see License File for more information.
All versions of laravel-model-validation with dependencies
spatie/laravel-package-tools Version ^1.16
illuminate/collections Version ^10.0||^11.0
illuminate/contracts Version ^10.0||^11.0
illuminate/database Version ^10.0||^11.0
illuminate/events Version ^10.0||^11.0
illuminate/support Version ^10.0||^11.0
illuminate/validation Version ^10.0||^11.0