From 4e738348a53770fa3b5759e13b2beb5ff7bdce32 Mon Sep 17 00:00:00 2001
From: Dmitriy Pleshevskiy <dmitriy@pleshevski.ru>
Date: Sat, 1 Jul 2023 00:32:58 +0300
Subject: [PATCH] add support of url entity

---
 main.mjs          | 26 +++++++++++++++++++++-----
 package-lock.json |  5 +++++
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/main.mjs b/main.mjs
index 0eca207..016eba9 100644
--- a/main.mjs
+++ b/main.mjs
@@ -13,12 +13,17 @@ const bot = new TelegramBot(config.telegramBotToken, {
   polling: true,
 });
 
+console.log("The telegram bot listens for updates");
+
 bot.on("channel_post", async (msg) => {
   const link = extractMessageLink(msg);
-  if (!link) return;
+  if (!link) {
+    console.log("cannot find link in msg:", msg);
+    return;
+  }
 
   pipe(
-    describeArticle(link.url),
+    describeArticle(link),
     rte.map(
       flow(
         readonlyArray.foldMap({
@@ -41,10 +46,21 @@ bot.on("channel_post", async (msg) => {
 
 // TODO: use option instead
 function extractMessageLink(msg) {
-  const links = (msg.entities ?? []).filter(isLink);
-  return links.length ? links[0] : null;
+  return getTextLink(msg) || getMessageUrl(msg);
 }
 
-function isLink(msgEntity) {
+const RE_URL =
+  /(http|https):\/\/([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])/;
+
+function getMessageUrl(msg) {
+  return RE_URL.exec(msg.text)[0];
+}
+
+function getTextLink(msg) {
+  const textLinks = (msg.entities ?? []).filter(isTextLink);
+  return textLinks.length ? links[0].url : null;
+}
+
+function isTextLink(msgEntity) {
   return msgEntity.type === "text_link";
 }
diff --git a/package-lock.json b/package-lock.json
index d302886..9597741 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,13 +1,18 @@
 {
   "name": "yandexgpt_tg_bot",
+  "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "yandexgpt_tg_bot",
+      "version": "0.1.0",
       "dependencies": {
         "fp-ts": "^2.16.0",
         "node-telegram-bot-api": "^0.61.0"
+      },
+      "bin": {
+        "yandexgpt_tg_bot": "main.mjs"
       }
     },
     "node_modules/ajv": {