+
+function sendHTML (html: string, res: express.Response) {
+ res.set('Content-Type', 'text/html; charset=UTF-8')
+
+ return res.send(html)
+}
+
+async function serveIndexHTML (req: express.Request, res: express.Response) {
+ if (req.accepts(ACCEPT_HEADERS) === 'html' ||
+ !req.headers.accept) {
+ try {
+ await generateHTMLPage(req, res, req.params.language)
+ return
+ } catch (err) {
+ logger.error('Cannot generate HTML page.', err)
+ return res.sendStatus(HttpStatusCode.INTERNAL_SERVER_ERROR_500)
+ }
+ }
+
+ return res.sendStatus(HttpStatusCode.NOT_ACCEPTABLE_406)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+ ClientHtml,
+ sendHTML,
+ serveIndexHTML
+}
+
+async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) {
+ const html = await ClientHtml.getDefaultHTMLPage(req, res, paramLang)
+
+ return sendHTML(html, res)
+}