feat: add tiktok polling system with docker cron

lib/discord.ts

@@ -0,0 +1,35 @@
+export async function sendDiscordNotification(content: string, embed?: any) {
+  const token = process.env.DISCORD_BOT_TOKEN;
+  const channelId = process.env.DISCORD_CHANNEL_ID;
+
+  if (!token) {
+    console.error("[Discord Notification] Missing DISCORD_BOT_TOKEN");
+    return;
+  }
+  
+  if (!channelId) {
+    console.error("[Discord Notification] Missing DISCORD_CHANNEL_ID environment variable. Please add it to your .env file.");
+    return;
+  }
+
+  try {
+    const res = await fetch(`https://discord.com/api/v10/channels/${channelId}/messages`, {
+      method: "POST",
+      headers: {
+        "Authorization": `Bot ${token}`,
+        "Content-Type": "application/json"
+      },
+      body: JSON.stringify({
+        content,
+        embeds: embed ? [embed] : undefined
+      })
+    });
+
+    if (!res.ok) {
+      console.error("[Discord Notification] Failed to send message:", await res.text());
+    } else {
+    }
+  } catch (error) {
+    console.error("[Discord Notification] Error sending message:", error);
+  }
+}

lib/followers/tiktok.ts

@@ -100,3 +100,47 @@ export async function getTiktokFollowerCount(): Promise<number | null> {
   const profile = await getTiktokProfile();
   return profile.followerCount;
 }
+
+export interface TiktokVideo {
+  id: string;
+  title: string;
+  coverImageUrl: string;
+  shareUrl: string;
+  createTime: number;
+}
+
+export async function getLatestTiktokVideo(): Promise<TiktokVideo | null> {
+  const profile = await getTiktokProfile();
+  if (!profile.username) {
+    console.error("[TikTok API] Could not get username from profile to fetch TikWM.");
+    return null;
+  }
+
+  try {
+    const res = await fetch(`https://www.tikwm.com/api/user/posts?unique_id=@${profile.username}&count=1`, {
+      cache: "no-store",
+      signal: AbortSignal.timeout(5000),
+    });
+
+    if (!res.ok) return null;
+
+    const data = await res.json();
+    const videos = data.data?.videos;
+    
+    if (!videos || videos.length === 0) return null;
+
+    const v = videos[0];
+    const shareUrl = `https://www.tiktok.com/@${profile.username}/video/${v.video_id}`;
+    
+    return {
+      id: v.video_id,
+      title: v.title ?? "",
+      coverImageUrl: v.cover ?? "",
+      shareUrl: shareUrl,
+      createTime: v.create_time ?? 0,
+    };
+  } catch (e) {
+    console.error("[TikTok API] Error fetching latest video via TikWM:", e);
+    return null;
+  }
+}