ADD range slider that follows player

src/main/frontend/views/video/{id}.tsx

@@ -1,35 +1,60 @@
 import { useParams } from 'react-router-dom';
 import { useEffect, useRef, useState } from "react";
 import RangeSlider from 'react-range-slider-input';
-
 import 'react-range-slider-input/dist/style.css';
 
+export type VideoMetadata = {
+    startPoint: number,
+    endPoint: number,
+    fps: number,
+    width: number,
+    height: number,
+    fileSize: number
+}
+
+const fetchMetadata = async (id: string): Promise<VideoMetadata> => {
+    const res = await fetch(`/api/v1/metadata/original/${id}`);
+    if (!res.ok) throw new Error("Failed to fetch");
+    return res.json();
+};
+
 export default function video() {
     const { id } = useParams();
     const videoRef = useRef<HTMLVideoElement | null>(null);
     const videoUrl = "api/v1/download/input/" + id;
-    const [videoDuration, setVideoDuration] = useState(0);
+
+    const [metadata, setMetadata] = useState<VideoMetadata | null>(null);
+
+    let previousInput = [0, 0];
+    const handleInput = (val: [number, number]) => {
+        if (!videoRef.current) {
+            return;
+        }
+
+        if (previousInput[0] != val[0]) {
+            videoRef.current.currentTime = val[0];
+        } else if (previousInput[1] != val[1]) {
+            videoRef.current.currentTime = val[1];
+        }
+
+        previousInput = val;
+    };
 
     useEffect(() => {
-        const videoEl = videoRef.current;
-
-        if (!videoEl) return;
-
-        const handleLoadedMetadata = () => {
-            setVideoDuration(videoEl.duration);
-        };
-
-        videoEl.addEventListener("loadedmetadata", handleLoadedMetadata);
-
-        return () => {
-            videoEl.removeEventListener("loadedmetadata", handleLoadedMetadata);
-        };
-    }, [videoUrl]);
+        fetch(`api/v1/metadata/original/${id}`)
+            .then((res) => {
+                if (!res.ok) throw new Error("Failed to fetch metadata");
+                return res.json();
+            })
+            .then(setMetadata)
+            .catch((err) => console.log(err.message));
+    }, []);
 
     return (
         <div className={"flex flex-col gap-2 max-w-3xl m-auto"}>
-            <video controls
+            <video
                    ref={videoRef}
+                   preload="metadata"
                    width="600"
                    className={"w-full max-w-3xl rounded-lg shadow-lg border border-gray-300 bg-black m-auto"}>
                 <source src={videoUrl} type="video/mp4" />
@@ -38,9 +63,14 @@ export default function video() {
                 Your browser does not support the video tag.
             </video>
 
-            <RangeSlider className={"w-600px"}
-                        min={0}
-                        max={videoDuration}/>
+
+            {metadata &&
+                <RangeSlider className={"w-600px"}
+                             min={0}
+                             max={metadata.endPoint}
+                             step={0.1}
+                             onInput={handleInput}/>
+            }
         </div>
     );
 }