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Register ACF Select and Radio Fields as GraphQL Enum Types #1

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Merged
merged 5 commits into from
Jul 27, 2023
Merged

Register ACF Select and Radio Fields as GraphQL Enum Types #1

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a3069cd
feat: register choices of acf fields as graphql enum types
mohjak Jul 26, 2023
39f2fa1
feat: upgrade plugin version to 0.6.2
mohjak Jul 26, 2023
dabc314
Revert "feat: upgrade plugin version to 0.6.2"
mohjak Jul 27, 2023
52c801e
fix: add empty check of empty choices, some minor enhancements
mohjak Jul 27, 2023
0e5b454
fix: revert spaces
mohjak Jul 27, 2023
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48 changes: 44 additions & 4 deletions src/class-config.php
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Original file line number Diff line number Diff line change
Expand Up @@ -602,19 +602,20 @@ protected function register_graphql_field( string $type_name, string $field_name
*
* @see: https://github.com/wp-graphql/wp-graphql-acf/issues/25
*/
$field_type = $this->register_choices_of_acf_fields_as_enum_type( $acf_field );
if ( empty( $acf_field['multiple'] ) ) {
if('array' === $acf_field['return_format'] ){
$field_config['type'] = [ 'list_of' => 'String' ];
$field_config['type'] = [ 'list_of' => $field_type ];
$field_config['resolve'] = function( $root ) use ( $acf_field) {
$value = $this->get_acf_field_value( $root, $acf_field, true);

return ! empty( $value ) && is_array( $value ) ? $value : [];
};
}else{
$field_config['type'] = 'String';
$field_config['type'] = $field_type;
}
} else {
$field_config['type'] = [ 'list_of' => 'String' ];
$field_config['type'] = [ 'list_of' => $field_type ];
$field_config['resolve'] = function( $root ) use ( $acf_field ) {
$value = $this->get_acf_field_value( $root, $acf_field );

Expand All @@ -623,7 +624,8 @@ protected function register_graphql_field( string $type_name, string $field_name
}
break;
case 'radio':
$field_config['type'] = 'String';
$field_type = $this->register_choices_of_acf_fields_as_enum_type( $acf_field );
$field_config['type'] = $field_type;
break;
case 'number':
case 'range':
Expand Down Expand Up @@ -1501,4 +1503,42 @@ protected function add_acf_fields_to_graphql_types() {

}

public function register_choices_of_acf_fields_as_enum_type( array $acf_field ): string {
// If the field isn't a select or radio field or if there are no choices available, return 'String'.
if ( ( 'select' !== $acf_field['type'] && 'radio' !== $acf_field['type'] ) || empty( $acf_field['choices'] ) ) {
return 'String';
}

// Generate a unique name for the enum type using the field name.
$enum_type_name = ucfirst( self::camel_case( $acf_field['name'] ) ) . 'Enum';
if ( ! $this->type_registry->has_type( $enum_type_name ) ) {
// Initialize an empty array to hold your enum values.
$enum_values = [];

// Loop over the choices in the field and add them to the enum values array.
foreach ( $acf_field['choices'] as $key => $choice ) {
// Use the sanitize_key function to create a valid enum name from the choice key.
$enum_key = strtoupper( sanitize_key( $key ) );

// Add the choice to the enum values array.
$enum_values[ $enum_key ] = [
'value' => $key,
'description' => $choice,
];
}

// Register enum type.
$this->type_registry->register_enum_type(
$enum_type_name,
[
'description' => $acf_field['label'],
'values' => $enum_values,
]
);
}

// Return the enum type name.
return $enum_type_name;
}

}
10 changes: 7 additions & 3 deletions src/class-mutations.php
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Original file line number Diff line number Diff line change
Expand Up @@ -316,20 +316,24 @@ private function register_graphql_field( array $config, string $parent_type_name
case 'wysiwyg':
case 'url':
case 'textarea':
case 'radio':
$field_config['type'] = 'String';
break;
case 'radio':
$field_type = $this->config->register_choices_of_acf_fields_as_enum_type( $acf_field );
$field_config['type'] = $field_type;
break;
case 'select':

/**
* If the select field is configured to not allow multiple values
* the field will accept a string, but if it is configured to allow
* multiple values it will accept a list of strings
*/
$field_type = $this->config->register_choices_of_acf_fields_as_enum_type( $acf_field );
if ( empty( $acf_field['multiple'] ) ) {
$field_config['type'] = 'String';
$field_config['type'] = $field_type;
} else {
$field_config['type'] = [ 'list_of' => 'String' ];
$field_config['type'] = [ 'list_of' => $field_type ];
}
break;
case 'number':
Expand Down