Files
crewli/api/app/Services/FormBuilder/FormFieldService.php

443 lines
15 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Services\FormBuilder;
use App\Enums\FormBuilder\FormFieldType;
use App\Exceptions\FormBuilder\BindingChangeBlockedException;
use App\Exceptions\FormBuilder\CyclicDependencyException;
use App\Exceptions\FormBuilder\DestructiveConfirmationRequiredException;
use App\Exceptions\FormBuilder\FrozenSchemaException;
use App\Jobs\FormBuilder\BackfillFormValueIndexedJob;
use App\Models\FormBuilder\FormField;
use App\Models\FormBuilder\FormFieldLibrary;
use App\Models\FormBuilder\FormSchema;
use App\Models\FormBuilder\FormSchemaSection;
use App\Models\FormBuilder\FormSubmission;
use App\Models\FormBuilder\FormValue;
use Illuminate\Support\Facades\DB;
/**
* FormField CRUD + reorder + library insertion + binding safety
* (ARCH §4.2, §6.5, §8, §4.8.1, §7.2).
*/
final class FormFieldService
{
public function __construct(
private readonly FormSchemaService $schemaService,
private readonly FormFieldBindingService $bindingService,
private readonly FormFieldValidationRuleService $validationRuleService,
private readonly FormFieldConfigService $configService,
) {}
public function create(FormSchema $schema, array $data): FormField
{
$this->assertNotFrozen($schema);
$data['form_schema_id'] = $schema->id;
$data['sort_order'] ??= $this->nextSortOrder($schema);
$bindingSpec = $this->extractBindingSpec($data);
$validationRuleSpecs = $this->extractValidationRuleSpecs($data);
$this->assertNoConditionalCycle($schema, null, $data['conditional_logic'] ?? null, $data['slug'] ?? null);
/** @var FormField $field */
$field = FormField::create($data);
if ($bindingSpec !== null) {
$this->bindingService->replaceBindings($field, [$bindingSpec]);
}
if ($validationRuleSpecs !== null) {
$this->validationRuleService->replaceRules($field, $validationRuleSpecs);
}
$this->schemaService->bumpVersion($schema);
$field->logFieldChange('field.created');
if ($field->is_filterable) {
BackfillFormValueIndexedJob::dispatch($field->id)->onQueue('default');
}
return $field->refresh();
}
public function update(FormField $field, array $data, bool $forceBindingChange = false): FormField
{
$schema = $field->schema;
$this->assertNotFrozenForStructural($schema, $data);
$bindingProvided = array_key_exists('binding', $data);
$rawBinding = $bindingProvided ? $data['binding'] : null;
$bindingSpec = $bindingProvided ? $this->extractBindingSpec($data) : null;
$validationRulesProvided = array_key_exists('validation_rules', $data);
$validationRuleSpecs = $validationRulesProvided ? $this->extractValidationRuleSpecs($data) : null;
$currentBindingShape = $this->bindingService->toJsonShape($field->bindings()->first());
if ($bindingProvided && $this->bindingChanged($currentBindingShape, $rawBinding)) {
$this->assertBindingChangeAllowed($field, $forceBindingChange);
}
if (array_key_exists('conditional_logic', $data)) {
$this->assertNoConditionalCycle($schema, $field, $data['conditional_logic'], $data['slug'] ?? $field->slug);
}
$before = [
'binding' => $currentBindingShape,
'is_filterable' => $field->is_filterable,
'is_pii' => $field->is_pii,
'field_type' => $field->field_type,
];
$field->fill($data);
$field->save();
if ($bindingProvided) {
$this->bindingService->replaceBindings($field, $bindingSpec === null ? [] : [$bindingSpec]);
}
if ($validationRulesProvided) {
$this->validationRuleService->replaceRules($field, $validationRuleSpecs ?? []);
}
$this->schemaService->bumpVersion($schema);
$field->logFieldChange('field.updated', [
'old' => $before,
'new' => [
'binding' => $this->bindingService->toJsonShape($field->bindings()->first()),
'is_filterable' => $field->is_filterable,
'is_pii' => $field->is_pii,
'field_type' => $field->field_type,
],
]);
if ($before['is_filterable'] !== $field->is_filterable) {
BackfillFormValueIndexedJob::dispatch($field->id)->onQueue('default');
}
return $field->refresh();
}
/**
* Extract the `validation_rules` key from the request data array and
* return it as the service-layer spec list. The JSON column is no
* longer written (WS-5b commit 3) — writes go through
* `FormFieldValidationRuleService::replaceRules` after the FormField
* row is created/updated.
*
* Returns `null` when the key was absent (no change requested), or an
* empty list when the caller explicitly cleared rules. Callers
* distinguish via `array_key_exists('validation_rules', $data)`
* BEFORE invoking this helper.
*
* @param array<string, mixed> $data
* @return list<array<string, mixed>>|null
*/
private function extractValidationRuleSpecs(array &$data): ?array
{
if (! array_key_exists('validation_rules', $data)) {
return null;
}
$raw = $data['validation_rules'];
unset($data['validation_rules']);
if (! is_array($raw)) {
return [];
}
/** @var list<array<string, mixed>> $raw */
return array_values($raw);
}
/**
* @param array<string, mixed> $data
* @return array{target_entity:string,target_attribute:string,mode:string,sync_direction?:?string}|null
*/
private function extractBindingSpec(array &$data): ?array
{
if (! array_key_exists('binding', $data)) {
return null;
}
$raw = $data['binding'];
unset($data['binding']);
if (! is_array($raw) || $raw === []) {
return null;
}
return [
'target_entity' => (string) ($raw['entity'] ?? ''),
'target_attribute' => (string) ($raw['column'] ?? ''),
'mode' => (string) ($raw['mode'] ?? ''),
'sync_direction' => isset($raw['sync_direction']) ? (string) $raw['sync_direction'] : null,
];
}
/**
* @param array<string, mixed>|null $current Pre-WS-5a ARCH §6.3 shape
* @param array<string, mixed>|null $next
*/
private function bindingChanged(?array $current, ?array $next): bool
{
$normalise = static function (?array $value): array {
if ($value === null || $value === []) {
return [];
}
return [
'mode' => (string) ($value['mode'] ?? ''),
'entity' => (string) ($value['entity'] ?? ''),
'column' => (string) ($value['column'] ?? ''),
'sync_direction' => (string) ($value['sync_direction'] ?? ''),
];
};
return $normalise($current) !== $normalise($next);
}
public function delete(FormField $field, ?string $confirmedName = null): void
{
$schema = $field->schema;
$this->assertNotFrozen($schema);
$hasValues = FormValue::query()->where('form_field_id', $field->id)->exists();
if ($hasValues && $confirmedName !== $field->label) {
throw DestructiveConfirmationRequiredException::forName($field->label);
}
DB::transaction(function () use ($field, $schema): void {
$field->logFieldChange('field.deleted');
$field->delete();
$this->schemaService->bumpVersion($schema);
});
}
/**
* @param array<int, string> $orderedFieldIds
*/
public function reorder(FormSchema $schema, array $orderedFieldIds): void
{
DB::transaction(function () use ($schema, $orderedFieldIds): void {
foreach ($orderedFieldIds as $index => $fieldId) {
FormField::query()
->where('form_schema_id', $schema->id)
->whereKey($fieldId)
->update(['sort_order' => $index]);
}
$this->schemaService->bumpVersion($schema);
});
}
public function insertFromLibrary(FormSchema $schema, FormFieldLibrary $library, array $overrides = []): FormField
{
$this->assertNotFrozen($schema);
$data = array_merge([
'form_schema_id' => $schema->id,
'library_field_id' => $library->id,
'field_type' => $library->field_type,
'slug' => $this->ensureUniqueSlug($schema, $library->slug),
'label' => $library->label,
'help_text' => $library->help_text,
'options' => $library->options,
'is_required' => (bool) $library->default_is_required,
'is_filterable' => (bool) $library->default_is_filterable,
'translations' => $library->translations,
'sort_order' => $this->nextSortOrder($schema),
], $overrides);
if (! isset($data['slug']) || $data['slug'] === '') {
$data['slug'] = $this->ensureUniqueSlug($schema, $library->slug);
} else {
$data['slug'] = $this->ensureUniqueSlug($schema, $data['slug']);
}
/** @var FormField $field */
$field = FormField::create($data);
$this->bindingService->copyBindings($library, $field);
$this->validationRuleService->copyRules($library, $field);
$this->configService->copyConfigs($library, $field);
FormFieldLibrary::query()->whereKey($library->id)->increment('usage_count');
$this->schemaService->bumpVersion($schema);
$field->logFieldChange('field.inserted_from_library', ['library_field_id' => $library->id]);
if ($field->is_filterable) {
BackfillFormValueIndexedJob::dispatch($field->id)->onQueue('default');
}
return $field->refresh();
}
private function assertBindingChangeAllowed(FormField $field, bool $forceBindingChange): void
{
$submittedCount = FormSubmission::query()
->where('form_schema_id', $field->form_schema_id)
->where('status', 'submitted')
->count();
if ($submittedCount > 0 && ! $forceBindingChange) {
throw BindingChangeBlockedException::forField($field->id, $submittedCount);
}
}
private function assertNotFrozen(FormSchema $schema): void
{
if ($schema->freeze_on_submit && $this->schemaService->hasSubmittedSubmissions($schema)) {
throw FrozenSchemaException::forSchema($schema->id);
}
}
private function assertNotFrozenForStructural(FormSchema $schema, array $data): void
{
$structuralKeys = ['field_type', 'binding', 'options', 'validation_rules', 'is_required', 'slug'];
foreach ($structuralKeys as $key) {
if (array_key_exists($key, $data)) {
$this->assertNotFrozen($schema);
return;
}
}
}
private function assertNoConditionalCycle(FormSchema $schema, ?FormField $subject, mixed $conditionalLogic, ?string $subjectSlug): void
{
if ($conditionalLogic === null || $subjectSlug === null) {
return;
}
$dependsOn = $this->extractConditionSlugs($conditionalLogic);
if ($dependsOn === []) {
return;
}
$adjacency = $this->buildConditionalAdjacency($schema, $subject, $subjectSlug, $dependsOn);
$visiting = [];
$visited = [];
$walk = function (string $node) use (&$walk, &$adjacency, &$visiting, &$visited, $subjectSlug): void {
if (isset($visited[$node])) {
return;
}
if (isset($visiting[$node])) {
throw CyclicDependencyException::forField($subjectSlug);
}
$visiting[$node] = true;
foreach ($adjacency[$node] ?? [] as $next) {
$walk($next);
}
unset($visiting[$node]);
$visited[$node] = true;
};
$walk($subjectSlug);
}
/**
* @return array<int, string>
*/
private function extractConditionSlugs(mixed $logic): array
{
if (! is_array($logic)) {
return [];
}
$slugs = [];
$walk = function ($node) use (&$walk, &$slugs): void {
if (! is_array($node)) {
return;
}
if (isset($node['field_slug'])) {
$slugs[] = (string) $node['field_slug'];
}
foreach ($node as $child) {
if (is_array($child)) {
$walk($child);
}
}
};
$walk($logic);
return array_values(array_unique($slugs));
}
/**
* @param array<int, string> $seedDeps
* @return array<string, array<int, string>>
*/
private function buildConditionalAdjacency(FormSchema $schema, ?FormField $subject, string $subjectSlug, array $seedDeps): array
{
$fields = FormField::query()
->where('form_schema_id', $schema->id)
->get(['id', 'slug', 'conditional_logic']);
$adjacency = [];
foreach ($fields as $f) {
if ($subject !== null && $f->id === $subject->id) {
continue;
}
$deps = $this->extractConditionSlugs($f->conditional_logic);
if ($deps !== []) {
$adjacency[$f->slug] = $deps;
}
}
$adjacency[$subjectSlug] = $seedDeps;
return $adjacency;
}
/**
* @return array<int, string>
*/
public function detectSectionCycle(FormSchema $schema, FormSchemaSection $section, ?string $dependsOnId): void
{
if ($dependsOnId === null) {
return;
}
$chain = [];
$current = $dependsOnId;
$safety = 100;
while ($current !== null && $safety-- > 0) {
if ($current === $section->id) {
throw CyclicDependencyException::forSection($section->id);
}
$chain[] = $current;
$parent = FormSchemaSection::query()
->whereKey($current)
->value('depends_on_section_id');
$current = $parent !== null ? (string) $parent : null;
}
}
private function nextSortOrder(FormSchema $schema): int
{
$max = (int) FormField::query()
->where('form_schema_id', $schema->id)
->max('sort_order');
return $max + 1;
}
private function ensureUniqueSlug(FormSchema $schema, string $slug): string
{
$base = \Illuminate\Support\Str::slug($slug) ?: 'veld';
$candidate = $base;
$i = 2;
while (FormField::query()
->where('form_schema_id', $schema->id)
->where('slug', $candidate)
->exists()
) {
$candidate = $base.'-'.$i;
$i++;
}
return $candidate;
}
}