Create form type

Skill jeffsenso/prestashop-skills/skills/prestashop-module-development/ps9-core-ai/Component/Forms/skills/create-form-type

Prestashop Developer Skills

Install

npx -y skills add jeffsenso/prestashop-skills --skill create-form-type

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Create the Symfony form type for an entity's add/edit form. Covers standard field types, translatable fields, money fields, file uploads, and choice providers. For multi-tab layout with NavigationTabType, see create-form-tab-layout. Trigger: "create form type for {Domain}".

SKILL.md

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create-form-type

Read @.ai/Component/Forms/CONTEXT.md for form conventions (base classes, data flow, service registration).

1. Root form type

Create src/PrestaShopBundle/Form/Admin/{Section}/{Domain}/{Domain}Type.php:

Extend TranslatorAwareType (provides $this->trans()) or AbstractType for simple forms
buildForm(): add all fields for the entity
configureOptions(): set defaults as needed
Form types define structure and validation only — no knowledge of commands/queries

Reference: src/PrestaShopBundle/Form/Admin/Improve/International/Tax/TaxType.php (simple), src/PrestaShopBundle/Form/Admin/Sell/Catalog/Manufacturer/ManufacturerType.php (with image)

2. Standard field types

PS field concept	Symfony/PS type	Notes
Text	`TextType`	Standard input
Boolean toggle	`SwitchType` (PS-specific)	On/off switch
Select with static options	`ChoiceType`	Inline choices array
Select with dynamic options	`ChoiceType` + `ChoiceProvider`	See section 5
Textarea / HTML	`TextareaType` or `FormattedTextareaType`

3. Translatable fields

For multilingual fields (entity has _lang table):

->add('name', TranslatableType::class, [
    'type' => TextType::class,
    'options' => ['constraints' => [new NotBlank()]],
])

TranslatableType renders one input per active shop language
Submitted data: ['name' => [1 => 'English', 2 => 'French']]
Map to command's setLocalizedNames() setter in the DataHandler

For translatable textareas: wrap TextareaType or FormattedTextareaType.

4. Money / price fields

For monetary fields (see Forms/CONTEXT.md for decimal scale convention):

Static currency: MoneyType::class with 'currency' => $defaultCurrencyIsoCode
Multi-currency: PS-specific AmountType if available
Use appropriate transformers to convert between form display and storage

5. Choice providers

For select fields with dynamic options from DB:

Create {Domain}{Field}ChoiceProvider.php implementing ChoiceProviderInterface
Inject repository or DBAL connection
getChoices(): array — return ['Label' => value] array
Inject into the form type and pass as choices option

Reference: src/Core/Form/ChoiceProvider/ (61+ existing providers)

6. File upload fields

For image/logo uploads (see Forms/CONTEXT.md for file upload conventions):

Add FileType::class with 'mapped' => false, 'required' => false
Add File constraint with allowed MIME types
Display existing image in the edit template via custom Twig block

Rules

Conventions (base classes, file uploads, choice providers, NavigationTabType) are in Forms/CONTEXT.md. Skill-specific reminders:

Add Symfony validation constraints directly on form fields (NotBlank, Length, Regex)
For multi-tab layout, use the create-form-tab-layout skill instead