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How To Add Custom Validation

How To Add Custom Validation
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Description

In the previous episodes, we created our first custom Sylius Resource. In this episode, we’ll see how to add validation to it. We’ll create validation configuration, define rules, and even build our own custom Constraint and Validator.

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    Resource Bundle Overview
    An introduction to the Sylius Resource Bundle — the core concept behind Sylius and the starting point for building CRUD-based e-commerce features.
    2:27
    How To Create Custom Resource
    Create your first Sylius Resource by building a Brand entity and explore what Sylius gives you out of the box, including factories, repositories, and resource debugging tools.
    18:01
    How To Customize Existing Resource
    Learn how to extend existing Sylius resources by adding a Brand relation to the Product and safely customizing core Sylius entities.
    11:56
    Resource Controller
    Understand the Sylius ResourceController, why Sylius uses a single generic controller, and how it works under the hood before using it in practice.
    9:22
    How To Expose Resource
    Expose a custom Brand resource in the Sylius admin, configure CRUD routes with a single routing definition, and explore how ResourceController works with Twig templates.
    13:26
    How To Create Custom Form
    Learn how to create custom Symfony forms for Sylius Resources by extending AbstractResourceType and applying them globally or per route.
    13:35
    Twig Hooks Overview
    Get introduced to Sylius Twig Hooks and learn how to inject custom Twig templates anywhere in the UI with a clean, backend-like approach.
    14:09
    How To Customize Existing Form
    Learn how to customize existing Sylius forms by adding, removing, and modifying fields and behavior with minimal effort.
    13:33
    How To Create Custom Repository
    Learn how to extend the default Sylius repository by creating and using a custom repository for advanced data access.
    6:32
    How To Extend Existing Repository
    Discover how to safely extend and customize existing Sylius repositories, including those already enhanced in the Sylius Core.
    12:32
    How To Customize Factory
    Learn how to create and use custom factories for Sylius Resources to control object creation logic.
    7:02
    Resource Controller Events
    Learn how Sylius uses an event-driven approach, which events are dispatched by the ResourceController, and how to extend behavior using event listeners.
    17:31
    How To Extend Controller
    Learn how to customize the Sylius ResourceController and add new actions when default CRUD behavior is not enough.
    3:37
    Resource Controller In Twig
    Learn how to use the Sylius ResourceController in Twig and understand when routes and controllers can be a better alternative to Twig Components.
    11:48
    Grid Bundle Overview
    Explore the Sylius Grid Bundle and learn how to build resource listings with actions, pagination, and flexible presentation options.
    5:01
    How To Create Custom Grid
    Learn how to build resource listings with the Sylius Grid Bundle, including built-in actions, fields, filters, and proper grid configuration.
    13:36
    How To Add Admin Menu Item
    See how Sylius’ event-driven architecture lets you add new admin menu items and link to custom grids without touching HTML templates.
    4:17
    How To Customize Existing Grid
    Learn how to customize existing Sylius Grids from the core to better fit your application’s needs.
    6:12
    How To Create Custom Grid Action
    Learn how to create custom actions for Sylius Grids when built-in grid actions are not enough.
    9:38
    How To Create Custom Grid Field
    Learn how to create custom fields for Sylius Grids to display data in more advanced and flexible ways.
    10:33
    How To Create Custom Grid Filter
    Learn how to create custom filters for Sylius Grids to implement advanced and tailored filtering logic.
    19:53
    How To Create Custom Grid Bulk Action
    Learn how to add custom bulk actions to Sylius Grids, such as exporting multiple selected items at once.
    8:34
    Grid PHP Configuration
    Learn how to configure Sylius Grids using PHP instead of YAML and migrate an existing grid configuration to code.
    14:05
    Translations Overview
    Learn how Sylius supports multilingual e-commerce and which tools it uses to manage translations and multiple languages.
    13:05
    How To Manage UI Translations
    Learn how to work with UI translations in Sylius, including YAML configuration, translation domains, key naming, and parameterized translations.
    15:12
    How To Create Translatable Resource
    Learn how to create a translatable Sylius Resource and store entity fields like names and descriptions in multiple languages.
    20:10
    State Machine Overview
    Learn how Sylius uses the State Machine pattern to manage complex business logic and state transitions in e-commerce.
    9:13
    How To Create Custom State Machine
    Learn how to define a custom state machine in Sylius using Symfony Workflow and follow best practices for business logic handling.
    25:18
    How To Customize Existing State Machine
    Learn how to customize existing state machine configurations in Sylius to adapt built-in workflows to your business needs.
    15:59
    Channels Overview
    Learn how Sylius supports multi-channel e-commerce and manage multiple sales channels within a single platform.
    7:26
    Channel Context
    Understand the Sylius Channel Context, learn how to detect the current channel in admin, shop, PHP, and Twig, and avoid common pitfalls.
    7:50
    How To Make Channels Aware Resource
    Learn how to make a custom Sylius Resource channel-aware using built-in Sylius components and best practices.
    7:34
    Validation Overview
    Learn the basics of validation in Sylius and discover the tools used to safely validate user input in e-commerce applications.
    6:26
    How To Add Custom Validation
    Learn how to add validation to a custom Sylius Resource, including rules, configuration, and custom Constraints and Validators.
    18:47
    How To Customize Existing Validation
    Learn how to modify and customize existing validation rules in Sylius to better fit your application’s requirements.
    7:20
    Live Components Overview
    Get introduced to Live Components in Sylius 2 and learn where and why they are used in modern Sylius applications.
    5:29
    How To Make Live Form
    Learn how to use Live Components in Sylius to add asynchronous validation and behavior to forms using built-in tools and best practices.
    12:56
    Emails Overview
    Get an introduction to email handling in Sylius and learn which tools are used and when emails are triggered in e-commerce workflows.
    3:24
    How To Send Custom Email
    Learn how to create custom emails in Sylius and integrate them into existing e-commerce workflows.
    24:23
    How To Customize Existing Email
    Learn how to customize and modify existing emails in Sylius to adapt built-in communication to your needs.
    7:46
    Images Overview
    Learn how Sylius handles images, including image uploads, filters, storage, and the underlying technology used for image processing.
    6:31
    How To Make Images Aware Resource
    Learn how to add image support to a custom Sylius Resource by creating a BrandImage entity and enabling image uploads in the admin interface.
    18:12