renamed db to database

more tests and fixing logic for memberhelper

src/database.js

@@ -0,0 +1,84 @@
+import {DataTypes, Sequelize} from 'sequelize';
+import * as env from 'dotenv';
+
+env.config();
+
+const password = process.env.POSTGRES_PASSWORD;
+
+if (!password) {
+    console.error("Missing POSTGRES_PWD environment variable.");
+    process.exit(1);
+}
+
+const db = {};
+
+const sequelize = new Sequelize('postgres', 'postgres', password, {
+    host: 'localhost',
+    logging: false,
+    dialect: 'postgres'
+});
+
+db.sequelize = sequelize;
+db.Sequelize = Sequelize;
+
+db.members = sequelize.define('Member', {
+    userid: {
+        type: DataTypes.STRING,
+        allowNull: false,
+    },
+    name: {
+        type: DataTypes.STRING,
+        allowNull: false,
+    },
+    displayname: {
+        type: DataTypes.STRING,
+    },
+    propic: {
+        type: DataTypes.STRING,
+    },
+    proxy: {
+        type: DataTypes.STRING,
+    }
+});
+
+db.systems = sequelize.define('System', {
+    userid: {
+        type: DataTypes.STRING,
+    },
+    fronter: {
+        type: DataTypes.STRING
+    },
+    grouptag: {
+        type: DataTypes.STRING
+    },
+    autoproxy: {
+        type: DataTypes.BOOLEAN,
+    }
+})
+
+/**
+ * Checks Sequelize database connection.
+ */
+db.check_connection = async function() {
+        await sequelize.authenticate().then(async () => {
+            console.log('Connection has been established successfully.');
+            await syncModels();
+        }).catch(err => {
+            console.error('Unable to connect to the database:', err);
+            process.exit(1);
+        });
+}
+
+/**
+ * Syncs Sequelize models.
+ */
+async function syncModels() {
+    await sequelize.sync().then(() => {
+        console.log('Models synced successfully.');
+    }).catch((err) => {
+        console.error('Syncing models did not work', err);
+        process.exit(1);
+    });
+}
+
+export const database = db;