Fix updating the shared on network status of snippets not saving corr…

…ectly.

src/js/components/SnippetForm/fields/MultisiteSharingSettings.tsx

@@ -13,7 +13,7 @@ export const MultisiteSharingSettings: React.FC = () => {
 					id="snippet_sharing"
 					name="snippet_sharing"
 					type="checkbox"
-					checked={!!snippet.shared_network}
+					checked={Boolean(snippet.shared_network)}
 					disabled={isReadOnly}
 					onChange={event =>
 						setSnippet(previous => ({ ...previous, shared_network: event.target.checked }))}

src/php/class-data-item.php

@@ -81,7 +81,13 @@ public function set_fields( $data ) {
 	 * @return array<string, mixed> Field names keyed to current values.
 	 */
 	public function get_fields(): array {
-		return $this->fields;
+		$fields = [];
+
+		foreach ( $this->get_allowed_fields() as $field_name ) {
+			$fields[ $field_name ] = $this->$field_name;
+		}
+
+		return $fields;
 	}
 
 	/**

src/php/rest-api/class-snippets-rest-controller.php

@@ -269,13 +269,16 @@ public function update_item( $request ) {
 		$item = $this->prepare_item_for_database( $request, $snippet );
 		$result = save_snippet( $item );
 
-		return $result ?
-			$this->prepare_item_for_response( $result, $request ) :
-			new WP_Error(
-				'rest_cannot_update',
-				__( 'The snippet could not be updated.', 'code-snippets' ),
-				[ 'status' => 500 ]
-			);
+		if ( $result ) {
+			$request->set_param( 'id', $result->id );
+			return $this->get_item( $request );
+		}
+
+		return new WP_Error(
+			'rest_cannot_update',
+			__( 'The snippet could not be updated.', 'code-snippets' ),
+			[ 'status' => 500 ]
+		);
 	}
 
 	/**
@@ -408,7 +411,14 @@ protected function prepare_item_for_database( $request, ?Snippet $item = null ):
 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function prepare_item_for_response( $item, $request ) {
-		return rest_ensure_response( $item->get_fields() );
+		$schema = $this->get_item_schema();
+		$response = [];
+
+		foreach ( array_keys( $schema['properties'] ) as $property ) {
+			$response[ $property ] = $item->$property;
+		}
+
+		return rest_ensure_response( $response );
 	}
 
 	/**

src/php/snippet-ops.php

@@ -228,8 +228,8 @@ function update_shared_network_snippets( array $snippets ): bool {
 	}
 
 	foreach ( $snippets as $snippet ) {
-		if ( $snippet->shared_network ) {
-			if ( $snippet->active ) {
+		if ( $snippet->network ) {
+			if ( $snippet->shared_network ) {
 				$shared_ids[] = $snippet->id;
 			} else {
 				$unshared_ids[] = $snippet->id;