From 58693fdb0025a20f779a382d5893374a96b05b4e Mon Sep 17 00:00:00 2001
From: ChristoferMendes <christoferluizdsm@gmail.com>
Date: Fri, 10 May 2024 12:10:08 -0300
Subject: [PATCH] feat: Add SeedersAndPeers component with skeleton loader

---
 .../seeders-and-peers-skeleton.tsx            | 20 +++++
 .../seeders-and-peers/seeders-and-peers.tsx   | 54 +++++++++++++
 .../game-details/seeders-and-peers/types.ts   |  5 ++
 .../seeders-and-peers/useMagnetData.tsx       | 75 +++++++++++++++++++
 4 files changed, 154 insertions(+)
 create mode 100644 src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers-skeleton.tsx
 create mode 100644 src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers.tsx
 create mode 100644 src/renderer/src/pages/game-details/seeders-and-peers/types.ts
 create mode 100644 src/renderer/src/pages/game-details/seeders-and-peers/useMagnetData.tsx

diff --git a/src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers-skeleton.tsx b/src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers-skeleton.tsx
new file mode 100644
index 00000000..dc0f7381
--- /dev/null
+++ b/src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers-skeleton.tsx
@@ -0,0 +1,20 @@
+import Skeleton from "react-loading-skeleton";
+
+export function SeedersAndPeersSkeleton() {
+  return (
+    <div
+      style={{
+        display: "flex",
+      }}
+    >
+      <Skeleton width={40} height={20} />
+      <Skeleton
+        width={40}
+        height={20}
+        style={{
+          marginLeft: "12px",
+        }}
+      />
+    </div>
+  );
+}
diff --git a/src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers.tsx b/src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers.tsx
new file mode 100644
index 00000000..5244d8e4
--- /dev/null
+++ b/src/renderer/src/pages/game-details/seeders-and-peers/seeders-and-peers.tsx
@@ -0,0 +1,54 @@
+import { GameRepack } from "@types";
+import { Sprout, Users } from "lucide-react";
+
+import { useMagnetData } from "./useMagnetData";
+import { Tooltip } from "@renderer/components/tooltip/tooltip";
+import { SeedersAndPeersSkeleton } from "./seeders-and-peers-skeleton";
+import { vars } from "@renderer/theme.css";
+
+interface SeedersAndPeersProps {
+  repack: GameRepack;
+}
+
+export function SeedersAndPeers({ repack }: Readonly<SeedersAndPeersProps>) {
+  const { magnetData, isLoading, error } = useMagnetData(repack.magnet);
+
+  if (isLoading) {
+    return <SeedersAndPeersSkeleton />;
+  }
+
+  if (error) {
+    return null;
+  }
+
+  return (
+    <div
+      style={{
+        display: "flex",
+        justifyContent: "space-around",
+      }}
+    >
+      <Tooltip tooltipText="Seeders">
+        <Sprout size={16} stroke={vars.color.bodyText} />
+        <span
+          style={{
+            marginLeft: "7px",
+            marginRight: "8px",
+          }}
+        >
+          {magnetData?.seeders}
+        </span>
+      </Tooltip>
+      <Tooltip tooltipText="Peers">
+        <Users size={16} stroke={vars.color.bodyText} />
+        <span
+          style={{
+            marginLeft: "7px",
+          }}
+        >
+          {magnetData?.peers}
+        </span>
+      </Tooltip>
+    </div>
+  );
+}
diff --git a/src/renderer/src/pages/game-details/seeders-and-peers/types.ts b/src/renderer/src/pages/game-details/seeders-and-peers/types.ts
new file mode 100644
index 00000000..23532807
--- /dev/null
+++ b/src/renderer/src/pages/game-details/seeders-and-peers/types.ts
@@ -0,0 +1,5 @@
+export type TorrentData = {
+  seeders: number;
+  peers: number;
+  lastTracked?: Date;
+};
diff --git a/src/renderer/src/pages/game-details/seeders-and-peers/useMagnetData.tsx b/src/renderer/src/pages/game-details/seeders-and-peers/useMagnetData.tsx
new file mode 100644
index 00000000..b072ac22
--- /dev/null
+++ b/src/renderer/src/pages/game-details/seeders-and-peers/useMagnetData.tsx
@@ -0,0 +1,75 @@
+import { useCallback, useEffect, useState } from "react";
+import { TorrentData } from "./types";
+
+const cache: Record<string, TorrentData> = {};
+
+export function useMagnetData(magnet: string) {
+  const [magnetData, setMagnetData] = useState<TorrentData | null>(cache[magnet] || null);
+  const [isLoading, setIsLoading] = useState(() => {
+    if (cache[magnet]) {
+      return false;
+    }
+
+    return true;
+  });
+  const [error, setError] = useState<Error | null>(null);
+
+  useEffect(() => {
+    if (!magnet) {
+      return;
+    }
+
+    if (cache[magnet]) {
+      setMagnetData(cache[magnet]);
+      setIsLoading(false);
+      return;
+    }
+
+    window.electron.getMagnetData(magnet).then(
+      (result) => {
+        if (result) {
+          setMagnetData(result);
+          setIsLoading(false);
+
+          cache[magnet] = result;
+          cache[magnet].lastTracked = new Date();
+        }
+      },
+      (error) => {
+        setError(error);
+        setIsLoading(false);
+      }
+    );
+  }, []);
+
+  const invalidateCache = useCallback(() => {
+    const TWO_MINUTES = 2 * 60 * 1000;
+    const cacheExpiresIn = TWO_MINUTES;
+
+    Object.keys(cache).forEach((key) => {
+      const lastTracked = cache[key].lastTracked;
+
+      if (!lastTracked) {
+        return;
+      }
+
+      if (Date.now() - lastTracked.getTime() > cacheExpiresIn) {
+        delete cache[key];
+      }
+    });
+  }, []);
+
+  useEffect(() => {
+    invalidateCache();
+
+    return () => {
+      invalidateCache();
+    }
+  }, []);
+
+  return {
+    magnetData,
+    isLoading,
+    error,
+  };
+}