Backend: Return JSON when post is submitted via QR

Frontend: request thread and trigger update from returned JSON

frontend/ts/dom/qr.ts

@@ -221,7 +221,8 @@ export function initQR() {
 			data: data, // $form.serialize(),
 			processData: false,
 			contentType: false,
-			success: (data, _status, _jqXHR) => {
+			dataType: "json",
+			success: (data: PostSubmitResponse, _status, _jqXHR) => {
 				if(data.error) {
 					alertLightbox(data.error, "Error");
 					return;
@@ -229,10 +230,10 @@ export function initQR() {
 				clearQR();
 				const cooldown = (currentThread().id > 0)?replyCooldown:threadCooldown;
 				setButtonTimeout("", cooldown);
-				updateThread().then(clearQR).then(() => {
-					const persist = getBooleanStorageVal("persistentqr", false);
-					if(!persist) closeQR();
-				});
+				$.get({
+					url: data.thread,
+					success: updateThreadSuccess
+				})
 				return false;
 			},
 			error: (_jqXHR, _status, error) => {
@@ -243,6 +244,19 @@ export function initQR() {
 	});
 }
 
+function updateThreadSuccess(data: any, status: string, xhr: JQueryXHR) {
+	const $doc = $(data);
+	const $replyContainers = $("div.reply-container");
+	$doc.find("div.reply-container").each((_i, el: HTMLElement) => {
+		const idSelector = `#${el.id}`;
+		const prevIDselector = `#${el.previousElementSibling.id}`;
+		if($replyContainers.filter(idSelector).length == 0) {
+			// new post
+			$(el).insertAfter($replyContainers.filter(prevIDselector));
+		}
+	});
+}
+
 function copyCaptchaResponse($copyToForm: JQuery<HTMLElement>) {
 	const $captchaResp = $("textarea[name=h-captcha-response]");
 	if($captchaResp.length > 0) {

frontend/ts/types/index.d.ts

@@ -100,6 +100,13 @@ declare global {
 		last_modified: string;
 	}
 
+	interface PostSubmitResponse {
+		error?: string;
+		id: number;
+		time: Date;
+		thread: string;
+	}
+
 	/**
 	 * An object representing a staff member retreived by requesting /manage/staffinfo
 	 */

pkg/posting/post.go

@@ -1,6 +1,7 @@
 package posting
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -42,6 +43,7 @@ func MakePost(writer http.ResponseWriter, request *http.Request) {
 		Str("IP", ip)
 	defer func() {
 		if a := recover(); a != nil {
+			writer.WriteHeader(http.StatusInternalServerError)
 			server.ServeError(writer, "Internal server error", wantsJSON, nil)
 			errEv.Caller().
 				Str("recover", fmt.Sprintf("%v", a)).
@@ -369,7 +371,17 @@ func MakePost(writer http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	if emailCommand == "noko" {
+	if wantsJSON {
+		topPost := post.ID
+		if !post.IsTopPost {
+			topPost, _ = post.TopPostID()
+		}
+		json.NewEncoder(writer).Encode(map[string]interface{}{
+			"time":   post.CreatedOn,
+			"id":     post.ID,
+			"thread": config.WebPath(postBoard.Dir, "/res/", strconv.Itoa(topPost)+".html"),
+		})
+	} else if emailCommand == "noko" {
 		if post.IsTopPost {
 			http.Redirect(writer, request, systemCritical.WebRoot+postBoard.Dir+"/res/"+strconv.Itoa(post.ID)+".html", http.StatusFound)
 		} else {