refactor: changed /info router from POST to GET

public/script/fetchinfo.js

@@ -30,15 +30,15 @@ function formatSize(bytes) {
  */
 async function fetchVideoInfo(url) {
   try {
-    const res = await fetch("/info", {
-      method: "POST",
-      headers: { "Content-Type": "application/x-www-form-urlencoded" },
-      body: new URLSearchParams({ url }),
+    const res = await fetch(`/info?url=${encodeURIComponent(url)}`, {
+      method: "GET",
+      headers: {"Accept": "application/json"}
     });
 
-    if (!res.ok) return { error: `An Error occured when fetching info` };
-
     const data = await res.json();
+
+    if (!res.ok) return {error: `An Error occured when fetching info`};
+
     if (!data) return { error: "Data is Missing" };
 
     return data;

server/controller/info.controller.js

@@ -18,7 +18,9 @@ const { isValidUrl } = require("../helpers/validation.helpers");
  */
 async function infoController(req, res) {
 
-    const url = req.body.url || req.query.url; // Supports POST and GET requests
+    // Previously, i support both POST and GET element, but it's kinda weird. So now it only support GET.
+    const url = req.query.url;
+    const encodedUrl = encodeURIComponent(url)
 
     /**
      * Basic validation:
@@ -30,9 +32,10 @@ async function infoController(req, res) {
         return res.status(400).send("Invalid URL Or Missing");
     }
 
-    logger.info(`Info request received. URL: ${url}`);
+    logger.info(`Info request received. RAW URL: ${url}`);
+    logger.info(`Info request received. ENCODED: ${encodedUrl}`);
 
-    // Lightweight heuristic to detect playlist URLs
+    // Lightweight heuristic to detect playlist URLs. It works for Youtube.
     const isPlaylistUrl = url.includes("&list") || url.includes("?list");
 
     logger.info(
@@ -86,6 +89,16 @@ async function infoController(req, res) {
          */
         if (data._type === "playlist") {
 
+            // If the playlist got only one video, show it as a video.
+            if (data.entries && data.entries.length === 1) {
+
+                const singleVideo = parseVideo(data.entries[0]);
+
+                logger.info(`Playlist with 1 item converted to video: ${singleVideo.title}`);
+
+                return res.json(singleVideo);
+            }
+
             const playlist = parsePlaylist(data);
 
             logger.info(

server/routes/info.route.js

@@ -2,6 +2,6 @@ const express = require("express");
 const router = express.Router();
 const { infoController } = require("../controller/info.controller");
 
-router.post("/", infoController);
+router.get("/", infoController);
 
 module.exports = router;