ADD: get Keywords by user id function

@@ -27,3 +27,25 @@ database.addKeyword = async function(keyword, userId) {
         }
     })
 }
+
+database.getKeywordsByUserId = async function(userId) {
+    const keywords = await Keyword.findAll({
+        attributes: ['keyword'],
+        where: {
+            '$user.userId$': userId
+        },
+        include: [{
+            attributes: [],
+            model: User,
+            as: 'user'
+        }],
+        raw: true
+    })
+
+    let result = []
+    for (let i = 0; i < keywords.length; i++) {
+        result.push(keywords[i].keyword)
+    }
+
+    return result
+}

@@ -10,7 +10,8 @@ const database = require("./apis/database");
 sequelize.sync({ force: false })
     .then(() => {
         console.log('database connection complete');
-        database.addKeyword("rtx3080", "phobyjun")
+        database.addKeyword("rtx3060", "junseok")
+        database.getKeywordsByUserId("junseok")
     })
     .catch((err) => {
         console.log('database connection failed');

@@ -38,7 +38,7 @@ db.user = require("./user")(sequelize, Sequelize);
 db.keyword = require("./keyword")(sequelize, Sequelize);
 db.userKeyword = sequelize.define('user_keywords');
 
-db.user.belongsToMany(db.keyword, {through: db.userKeyword});
-db.keyword.belongsToMany(db.user, {through: db.userKeyword});
+db.user.belongsToMany(db.keyword, {through: db.userKeyword, as: 'keyword'});
+db.keyword.belongsToMany(db.user, {through: db.userKeyword, as: 'user'});
 
 module.exports = db;