Conditioned field validation (#418)

* wip: validation condition input

* form custom validation condition

* Default message on form condition validation

* field validation condition test

* fix linting

* update tests,  add pass test

* Polish UI

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

app/Http/Requests/AnswerFormRequest.php

@@ -3,6 +3,7 @@
 namespace App\Http\Requests;
 
 use App\Models\Forms\Form;
+use App\Rules\CustomFieldValidationRule;
 use App\Rules\StorageFile;
 use App\Rules\ValidHCaptcha;
 use App\Rules\ValidPhoneInputRule;
@@ -50,18 +51,17 @@ class AnswerFormRequest extends FormRequest
      */
     public function rules()
     {
+        $selectionFields = collect($this->form->properties)->filter(function ($pro) {
+            return in_array($pro['type'], ['select', 'multi_select']);
+        });
         foreach ($this->form->properties as $property) {
             $rules = [];
-
             /*if (!$this->form->is_pro) {  // If not pro then not check logic
                 $property['logic'] = false;
             }*/
 
             // For get values instead of Id for select/multi select options
             $data = $this->toArray();
-            $selectionFields = collect($this->form->properties)->filter(function ($pro) {
-                return in_array($pro['type'], ['select', 'multi_select']);
-            });
             foreach ($selectionFields as $field) {
                 if (isset($data[$field['id']]) && is_array($data[$field['id']])) {
                     $data[$field['id']] = array_map(function ($val) use ($field) {
@@ -87,6 +87,11 @@ class AnswerFormRequest extends FormRequest
                 $rules[] = 'nullable';
             }
 
+            // User custom validation
+            if(!(Str::of($property['type'])->startsWith('nf-')) && isset($property['validation'])) {
+                $rules[] = (new CustomFieldValidationRule($property['validation'], $data));
+            }
+
             // Clean id to escape "."
             $propertyId = $property['id'];
             if (in_array($property['type'], ['multi_select'])) {

app/Rules/CustomFieldValidationRule.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Rules;
+
+use App\Service\Forms\FormLogicConditionChecker;
+use Illuminate\Contracts\Validation\Rule;
+
+class CustomFieldValidationRule implements Rule
+{
+    /**
+     * Create a new rule instance.
+     *
+     * @return void
+     */
+    public function __construct(public array $validation, public array $formData)
+    {
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return FormLogicConditionChecker::conditionsMet($this->validation['error_conditions']['conditions'], $this->formData);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return isset($this->validation['error_message']) ? $this->validation['error_message'] : 'Invalid input';
+    }
+}