made and documented the telegram bot (HYPE)

apps/web/app/api/telegram/route.ts

@@ -1,3 +1,7 @@
+import { db } from "@/server/db";
+import { storedContent, users } from "@/server/db/schema";
+import { cipher, decipher } from "@/server/encrypt";
+import { eq } from "drizzle-orm";
 import { Bot, webhookCallback } from "grammy";
 import { User } from "grammy/types";
 
@@ -12,17 +16,96 @@ const token = process.env.TELEGRAM_BOT_TOKEN;
 
 const bot = new Bot(token);
 
+const getUserByTelegramId = async (telegramId: string) => {
+  return await db.query.users
+    .findFirst({
+      where: eq(users.telegramId, telegramId),
+    })
+    .execute();
+};
+
 bot.command("start", async (ctx) => {
   const user: User = (await ctx.getAuthor()).user;
+  const cipherd = cipher(user.id.toString());
   await ctx.reply(
-    `Welcome to Supermemory bot, ${user.first_name}. I am here to help you remember things better.`,
+    `Welcome to Supermemory bot. I am here to help you remember things better. Click here to create and link your accont: http://localhost:3000/signin?telegramUser=${cipherd}`,
   );
 });
 
 bot.on("message", async (ctx) => {
-  await ctx.reply(
-    "Hi there! This is Supermemory bot. I am here to help you remember things better.",
+  const user: User = (await ctx.getAuthor()).user;
+  const cipherd = cipher(user.id.toString());
+
+  const dbUser = await getUserByTelegramId(user.id.toString());
+
+  if (!dbUser) {
+    await ctx.reply(
+      `Welcome to Supermemory bot. I am here to help you remember things better. Click here to create and link your accont: http://localhost:3000/signin?telegramUser=${cipherd}`,
+    );
+
+    return;
+  }
+
+  const message = await ctx.reply("I'm thinking...");
+
+  const response = await fetch(
+    `${process.env.BACKEND_BASE_URL}/api/autoChatOrAdd?query=${ctx.message.text}&user=${dbUser.id}`,
+    {
+      method: "POST",
+      headers: {
+        Authorization: "Bearer " + process.env.BACKEND_SECURITY_KEY,
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify({
+        // TODO: we can use the conversations API to get the last 5 messages
+        // get chatHistory from this conversation.
+        // Basically the last 5 messages between the user and the assistant.
+        // In ths form of [{role: 'user' | 'assistant', content: string}]
+        // https://grammy.dev/plugins/conversations
+        chatHistory: [],
+      }),
+    },
   );
+
+  if (response.status !== 200) {
+    console.log("Failed to get response from backend");
+    console.log(response.status);
+    console.log(await response.text());
+    await ctx.reply(
+      "Sorry, I am not able to process your request at the moment.",
+    );
+    return;
+  }
+
+  const data = (await response.json()) as {
+    status: string;
+    response: string;
+    contentAdded: {
+      type: string;
+      content: string;
+      url: string;
+    };
+  };
+
+  // TODO: we might want to enrich this data with more information
+  if (data.contentAdded) {
+    await db
+      .insert(storedContent)
+      .values({
+        content: data.contentAdded.content,
+        title: `${data.contentAdded.content.slice(0, 30)}... (Added from chatbot)`,
+        description: "",
+        url: data.contentAdded.url,
+        baseUrl: data.contentAdded.url,
+        image: "",
+        savedAt: new Date(),
+        userId: dbUser.id,
+        type: data.contentAdded.type,
+      })
+      .returning({ id: storedContent.id });
+  }
+
+  await ctx.api.editMessageText(ctx.chat.id, message.message_id, data.response);
 });
 
 export const POST = webhookCallback(bot, "std/http");