ivyforms / backend / src / Common / Helpers / Import / FluentFormsFieldMapper.php

FluentFormsFieldMapper.php in The Innovative Form Builder – IvyForms 1.5.1, at backend/src/Common/Helpers/Import/FluentFormsFieldMapper.php

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1	<?php
2
3	namespace IvyForms\Common\Helpers\Import;
4
5	/**
6	* Map individual Fluent Forms elements into IvyForms field arrays.
7	*
8	* Splitting field mapping out of FluentFormsImportConverter keeps each class
9	* focused and within complexity limits.
10	*/
11	class FluentFormsFieldMapper
12	{
13	/**
14	* Map Fluent Forms elements to IvyForms field types. Elements absent from
15	* this map are skipped during import.
16	*
17	* @var array<string, string>
18	*/
19	private const ELEMENT_MAP = [
20	'input_text' => 'text',
21	'input_mask' => 'text',
22	'input_email' => 'email',
23	'input_number' => 'number',
24	'textarea' => 'textarea',
25	'select' => 'select',
26	'select_country' => 'select',
27	'input_radio' => 'radio',
28	'input_checkbox' => 'checkbox',
29	'input_url' => 'website',
30	'input_password' => 'password',
31	'phone' => 'phone',
32	'input_phone' => 'phone',
33	'input_date' => 'date',
34	'ratings' => 'rating',
35	'gdpr_agreement' => 'gdpr',
36	'input_file' => 'file-upload',
37	'input_image' => 'file-upload',
38	'custom_html' => 'html',
39	];
40
41	/**
42	* Field types that carry selectable options.
43	*
44	* @var array<int, string>
45	*/
46	private const OPTION_TYPES = ['select', 'radio', 'checkbox', 'multi-select'];
47
48	/**
49	* Sub-field key to IvyForms name field type mapping.
50	*
51	* @var array<string, string>
52	*/
53	private const NAME_FIELD_MAP = [
54	'first_name' => 'nameField1',
55	'last_name' => 'nameField2',
56	'middle_name' => 'nameField3',
57	];
58
59	/**
60	* Map a single Fluent Forms element and append the resulting field(s).
61	*
62	* @param array<string, mixed> $rawField
63	* @param array<int, array<string, mixed>> $fields
64	* @param array<string, int> $context
65	* @return void
66	*/
67	public static function append(array $rawField, array &$fields, array &$context): void
68	{
69	$element = (string) ($rawField['element'] ?? '');
70
71	if ($element === 'container') {
72	self::appendContainerFields($rawField, $fields, $context);
73	return;
74	}
75
76	if ($element === 'input_name') {
77	self::appendNameField($rawField, $fields, $context);
78	return;
79	}
80
81	$ivyType = self::resolveType($element, $rawField);
82	if ($ivyType === null) {
83	return;
84	}
85
86	if ($ivyType === 'html' && self::extractHtmlContent($rawField) === '') {
87	// Skip empty HTML blocks — nothing useful to import.
88	return;
89	}
90
91	$fields[] = self::buildSimpleField($ivyType, $rawField, $context);
92	}
93
94	/**
95	* Build a single IvyForms field from a mapped element.
96	*
97	* @param string $ivyType
98	* @param array<string, mixed> $rawField
99	* @param array<string, int> $context
100	* @return array<string, mixed>
101	*/
102	private static function buildSimpleField(string $ivyType, array $rawField, array &$context): array
103	{
104	$attributes = self::child($rawField, 'attributes');
105	$settings = self::child($rawField, 'settings');
106	$validation = self::child($settings, 'validation_rules');
107	$required = self::child($validation, 'required');
108
109	$field = [
110	'id' => $context['id']++,
111	'fieldIndex' => $context['fieldIndex']++,
112	'type' => $ivyType,
113	'label' => self::resolveLabel($settings),
114	'placeholder' => self::text($attributes, 'placeholder'),
115	'description' => self::text($settings, 'help_message'),
116	'required' => !empty($required['value']),
117	'requiredMessage' => self::text($required, 'message'),
118	'defaultValue' => self::text($attributes, 'value'),
119	'parentId' => null,
120	'position' => $context['position']++,
121	'rowIndex' => $context['rowIndex']++,
122	'columnIndex' => 0,
123	'width' => 100,
124	];
125
126	if ($ivyType === 'html') {
127	$field['htmlContent'] = self::extractHtmlContent($rawField);
128	}
129
130	if ($ivyType === 'password') {
131	// Match Pro password field defaults; Fluent Forms has no confirm field.
132	$field['confirmFieldEnabled'] = false;
133	$field['showPasswordIcon'] = true;
134	$field['inputPrefix'] = self::text($settings, 'prefix_label');
135	$field['inputSuffix'] = self::text($settings, 'suffix_label');
136	}
137
138	if (in_array($ivyType, self::OPTION_TYPES, true)) {
139	$options = FluentFormsOptionsExtractor::extract($settings, $attributes);
140	if (!empty($options)) {
141	$field['fieldOptions'] = $options;
142	}
143	}
144
145	return $field;
146	}
147
148	/**
149	* Extract sanitized HTML from a Fluent Forms custom_html element.
150	*
151	* @param array<string, mixed> $rawField
152	* @return string
153	*/
154	private static function extractHtmlContent(array $rawField): string
155	{
156	$settings = self::child($rawField, 'settings');
157
158	return wp_kses_post((string) ($settings['html_codes'] ?? ''));
159	}
160
161	/**
162	* Flatten a container's columns into top-level fields.
163	*
164	* @param array<string, mixed> $rawField
165	* @param array<int, array<string, mixed>> $fields
166	* @param array<string, int> $context
167	* @return void
168	*/
169	private static function appendContainerFields(array $rawField, array &$fields, array &$context): void
170	{
171	foreach (($rawField['columns'] ?? []) as $column) {
172	if (!is_array($column)) {
173	continue;
174	}
175	foreach (($column['fields'] ?? []) as $columnField) {
176	if (is_array($columnField)) {
177	self::append($columnField, $fields, $context);
178	}
179	}
180	}
181	}
182
183	/**
184	* Build an IvyForms composite name field (parent + visible sub-fields).
185	*
186	* @param array<string, mixed> $rawField
187	* @param array<int, array<string, mixed>> $fields
188	* @param array<string, int> $context
189	* @return void
190	*/
191	private static function appendNameField(array $rawField, array &$fields, array &$context): void
192	{
193	$settings = self::child($rawField, 'settings');
194	$required = !empty(self::child(self::child($settings, 'validation_rules'), 'required')['value']);
195
196	$parentIndex = $context['fieldIndex']++;
197	$fields[] = [
198	'id' => $context['id']++,
199	'fieldIndex' => $parentIndex,
200	'type' => 'name',
201	'label' => self::resolveLabel($settings),
202	'placeholder' => '',
203	'required' => $required,
204	'defaultValue' => '',
205	'parentId' => null,
206	'position' => $context['position']++,
207	'rowIndex' => $context['rowIndex']++,
208	'columnIndex' => 0,
209	'width' => 100,
210	];
211
212	self::appendNameSubFields($rawField, $fields, $context, $parentIndex, $required);
213	}
214
215	/**
216	* Append the visible sub-fields (first/last/middle) of a name field.
217	*
218	* @param array<string, mixed> $rawField
219	* @param array<int, array<string, mixed>> $fields
220	* @param array<string, int> $context
221	* @param int $parentIndex
222	* @param bool $required
223	* @return void
224	*/
225	private static function appendNameSubFields(
226	array $rawField,
227	array &$fields,
228	array &$context,
229	int $parentIndex,
230	bool $required
231	): void {
232	$subPosition = 1;
233	foreach (self::child($rawField, 'fields') as $key => $subField) {
234	if (!is_array($subField) \|\| self::isHiddenSubField($subField)) {
235	continue;
236	}
237
238	$subSettings = self::child($subField, 'settings');
239	$subAttributes = self::child($subField, 'attributes');
240	$nameFieldType = self::NAME_FIELD_MAP[(string) $key] ?? ('nameField' . $subPosition);
241
242	$fields[] = [
243	'id' => $context['id']++,
244	'fieldIndex' => $parentIndex,
245	'type' => 'text',
246	'label' => self::text($subSettings, 'label'),
247	'placeholder' => self::text($subAttributes, 'placeholder'),
248	'required' => $required,
249	'defaultValue' => '',
250	'parentId' => $parentIndex,
251	'position' => $subPosition,
252	'settings' => wp_json_encode(['nameFieldType' => $nameFieldType]),
253	];
254	$subPosition++;
255	}
256	}
257
258	/**
259	* Whether a name sub-field is explicitly hidden.
260	*
261	* @param array<string, mixed> $subField
262	* @return bool
263	*/
264	private static function isHiddenSubField(array $subField): bool
265	{
266	$settings = self::child($subField, 'settings');
267
268	return ($settings['visible'] ?? true) === false;
269	}
270
271	/**
272	* Resolve the IvyForms field type for a Fluent Forms element.
273	*
274	* @param string $element
275	* @param array<string, mixed> $rawField
276	* @return string\|null
277	*/
278	private static function resolveType(string $element, array $rawField): ?string
279	{
280	$ivyType = self::ELEMENT_MAP[$element] ?? null;
281	if ($ivyType === null) {
282	return null;
283	}
284
285	if ($ivyType === 'select' && !empty(self::child($rawField, 'attributes')['multiple'])) {
286	return 'multi-select';
287	}
288
289	return $ivyType;
290	}
291
292	/**
293	* Resolve a field label, falling back to the admin label.
294	*
295	* @param array<string, mixed> $settings
296	* @return string
297	*/
298	private static function resolveLabel(array $settings): string
299	{
300	$label = self::text($settings, 'label');
301	if ($label === '') {
302	$label = self::text($settings, 'admin_field_label');
303	}
304
305	return $label;
306	}
307
308	/**
309	* Get a nested array value by key, defaulting to an empty array.
310	*
311	* @param array<string, mixed> $source
312	* @param string $key
313	* @return array<string, mixed>
314	*/
315	private static function child(array $source, string $key): array
316	{
317	$value = $source[$key] ?? null;
318
319	return is_array($value) ? $value : [];
320	}
321
322	/**
323	* Get a sanitized string value from an array by key.
324	*
325	* Fluent Forms stores multi-value data (such as checkbox defaults) as arrays,
326	* so non-scalars are discarded instead of being cast to string.
327	*
328	* @param array<string, mixed> $source
329	* @param string $key
330	* @return string
331	*/
332	private static function text(array $source, string $key): string
333	{
334	$value = $source[$key] ?? '';
335	if (!is_scalar($value)) {
336	return '';
337	}
338
339	return sanitize_text_field((string) $value);
340	}
341	}
342