bp_nouveau_ajax_document_document_save()

function bp_nouveau_ajax_document_document_save() {
	$response = array(
		'feedback' => sprintf(
			'<div class="bp-feedback error bp-ajax-message"><span class="bp-icon" aria-hidden="true"></span><p>%s</p></div>',
			esc_html__( 'There was a problem performing this action. Please try again.', 'buddyboss' )
		),
	);

	// Bail if not a POST action.
	if ( ! bp_is_post_request() ) {
		wp_send_json_error( $response );
	}

	if ( empty( $_POST['_wpnonce'] ) ) {
		wp_send_json_error( $response );
	}

	// Use default nonce.
	$nonce = filter_input( INPUT_POST, '_wpnonce', FILTER_SANITIZE_STRING );
	$check = 'bp_nouveau_media';

	// Nonce check!
	if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, $check ) ) {
		wp_send_json_error( $response );
	}

	if ( empty( $_POST['documents'] ) ) {
		$response['feedback'] = sprintf(
			'<div class="bp-feedback error"><span class="bp-icon" aria-hidden="true"></span><p>%s</p></div>',
			esc_html__( 'Please upload a document before saving.', 'buddyboss' )
		);

		wp_send_json_error( $response );
	}

	if ( ! is_user_logged_in() ) {
		$response['feedback'] = sprintf(
				'<div class="bp-feedback error"><span class="bp-icon" aria-hidden="true"></span><p>%s</p></div>',
				esc_html__( 'Please login to upload a document.', 'buddyboss' )
		);
		wp_send_json_error( $response );
	}

	if ( isset( $_POST['documents'] ) && ! empty( $_POST['documents'] ) && isset( $_POST['folder_id'] ) && (int) $_POST['folder_id'] > 0 ) {
		$documents = $_POST['documents'];
		$folder_id  = (int) $_POST['folder_id'];
		if ( ! empty( $documents ) && is_array( $documents ) ) {
			// set folder id for document.
			foreach ( $documents as $key => $document ) {
				if ( 0 === (int) $document['folder_id'] ) {
					$_POST['documents'][ $key ]['folder_id'] = $folder_id;
				}
			}
		}
	}

	// handle media uploaded.
	$document_ids = bp_document_add_handler( $_POST['documents'] );
	$document     = '';
	if ( ! empty( $document_ids ) ) {
		ob_start();
		if ( bp_has_document( array( 'include' => implode( ',', $document_ids ) ) ) ) {
			while ( bp_document() ) {
				bp_the_document();
				bp_get_template_part( 'document/document-entry' );
			}
		}
		$document = ob_get_contents();
		ob_end_clean();
	}

	wp_send_json_success( array( 'document' => $document ) );
}