Add SQLite database

.gitignore

@@ -1,5 +1,6 @@
 node_modules
 config/default.js
 config/production.js
+config/curate.sqlite
 package-lock.json
 .idea/

package.json

@@ -18,7 +18,9 @@
     "moment": "^2.27.0",
     "node-fetch": "^2.3.0",
     "redis": "^3.0.2",
-    "require-reload": "^0.2.2"
+    "require-reload": "^0.2.2",
+    "sequelize": "^6.3.4",
+    "sqlite3": "^5.0.0"
   },
   "devDependencies": {
     "eslint": "^7.6.0"

src/bot.js

@@ -3,6 +3,7 @@ const Database = require('./database');
 const EventHandler = require('./events');
 const CommandLoader = require('./commandloader');
 const MessageAwaiter = require('./messageawaiter');
+const SQLiteDB = require('./sqlitedb');
 const path = require('path');
 const CatLoggr = require('cat-loggr');
 const config = require('config');
@@ -80,6 +81,7 @@ class CurateBot extends Eris.Client {
     // Redis
     this.db = new Database(this);
     await this.db.connect(config.redis);
+    this.sqlite = new SQLiteDB(this);
 
     // Discord
     await this.connect();

src/sqlitedb.js

@@ -0,0 +1,47 @@
+const Sequelize = require('sequelize');
+
+module.exports = class SQLiteDB {
+  constructor() {
+    this.sequelize = new Sequelize({
+      dialect: 'sqlite',
+      storage: 'config/curate.sqlite',
+      define: { timestamps: false }
+    });
+
+    class UserPair extends Sequelize.Model {}
+    
+    UserPair.init({
+      discordID: {
+        type: Sequelize.STRING,
+        allowNull: false,
+        primaryKey: true,
+        unique: true,
+      },
+      lbryID: {
+        type: Sequelize.STRING,
+        allowNull: false,
+        unique: true,
+      }
+    }, { sequelize: this.sequelize, modelName: 'user' });
+
+    this.model = UserPair;
+  }
+
+  /**
+   * Gets a pair from a Discord ID
+   * @param {string} id 
+   */
+  async get(id) {
+    const item = await this.model.findOne({ where: { discordID: id } });
+    return item ? item.get({ plain: true }) : null;
+  }
+
+  /**
+   * Creates an ID pair
+   * @param {string} discordID 
+   * @param {string} lbryID 
+   */
+  pair(discordID, lbryID) {
+    return this.model.create({ discordID, lbryID });
+  }
+};