Added layer of abstraction for database connection

databases/connect.ts

@@ -0,0 +1,20 @@
+import { Database } from "@db/sqlite";
+
+interface DatabaseConnection extends Disposable {
+  database: Database;
+}
+
+export default function connect(database: string): DatabaseConnection {
+  const connection = new Database(`databases/data/${database}.db`, {
+    create: false,
+  });
+
+  connection.run("attach database 'databases/data/students.db' as students");
+
+  return {
+    database: connection,
+    [Symbol.dispose]: () => {
+      connection.close();
+    },
+  };
+}

databases/init/students.sql

@@ -1,3 +1,9 @@
+create table promotions (
+  id      integer primary key autoincrement,
+  endyear integer,
+  current integer
+);
+
 create table students (
   userId    text  primary key,
   firstName text,
@@ -5,10 +11,4 @@ create table students (
   mail      text,
   promo     integer,
   foreign key(promo) references promo(id)
-);
-
-create table promo (
-  id      integer,
-  endyear integer,
-  current integer
 );