ADD: cron message + clean-up unessential message

@@ -10,12 +10,6 @@ sequelize
   .sync({ force: false })
   .then(() => {
     console.log("database connection complete");
-    database.addKeyword("rtx3060", "junseok");
-    database.getKeywordsByUserId("junseok");
-    database.deleteKeyword("phobyjun", "rtx3080");
-    database.getAllUsers();
-    database.getUsersByKeyword("rtx3060");
-    database.getAllKeywords();
   })
   .catch((err) => {
     console.log("database connection failed");

+const { marketMultiSearch } = require("../search/marketSearch");
+const setCarouselMessage = require("../message/setCarouselMessage");
+// Database APIs
+const db = require("../../apis/database");
+// API List
+// database.addKeyword = async function(keyword, userId)
+// database.deleteKeyword = async function(userId, keyword)
+// database.getKeywordsByUserId = async function(userId)
+// database.getUsersByKeyword = async function(keyword)
+// database.getAllUsers = async function()
+// database.getAllKeywords = async function()
+
+const checkMamul = (client) => {
+  db.getAllKeywords().then((keywords) => {
+    for (let i = 0, pending = Promise.resolve(); i < keywords.length; i++) {
+      pending = db.getUsersByKeyword(keywords[i]).then((userIds) => {
+        marketMultiSearch(keywords[i]).then((res) => {
+          client.multicast(userIds, [setCarouselMessage(res)]);
+        });
+      });
+    }
+  });
+};
+
+module.exports = { checkMamul };

@@ -15,6 +15,12 @@ const { marketMultiSearch } = require("./search/marketSearch");
 // File search - Will be deleted (Unused)
 const fs = require("fs");
 
+// Cron for Mamul Notification
+const schedule = require("node-schedule");
+const job = schedule.scheduleJob("0 */1 * * *", () => {
+  checkMamul(client);
+});
+
 // Database APIs
 const db = require("../apis/database");
 // API List
@@ -32,6 +38,10 @@ const config = {
   channelSecret: process.env.channelSecret,
 };
 
+// Cron for Mamul Notification
+const { checkMamul } = require("./checkMamul/checkMamul");
+
+// Line chat bot client & event
 const client = new line.Client(config);
 
 let waitNewMamulList = []; // 매물 키워드 입력 기다리는 목록

@@ -20,6 +20,7 @@
     "dotenv": "^16.0.1",
     "express": "^4.18.1",
     "mysql2": "^2.3.3",
+    "node-schedule": "^2.1.0",
     "nodemon": "^2.0.16",
     "sequelize": "^6.20.0"
   }