Database migration done

src/migrations/20220704115624-add-user-groups.js

@@ -0,0 +1,45 @@
+'use strict';
+
+exports.up = function (db, callback) {
+    db.runSql(
+        `
+            create table IF NOT EXISTS groups
+            (
+                id serial primary key,
+                name text not null,
+                created_by text,
+                created_at timestamp with time zone not null default now()
+            );
+
+            create table IF NOT EXISTS group_user
+            (
+                group_id integer not null references groups (id) on DELETE CASCADE,
+                user_id integer not null references users (id) ON DELETE CASCADE,
+                type text check(type in ('Owner', 'Member')),
+                created_by text,
+                created_at timestamp with time zone not null default now(),
+                primary key (group_id, user_id)
+            );
+            CREATE TABLE IF NOT EXISTS group_role
+            (
+                group_id integer not null references groups (id) ON DELETE CASCADE,
+                role_id integer not null references roles (id) ON DELETE CASCADE,
+                created_by text,
+                created_at TIMESTAMP WITH TIME ZONE DEFAULT now(),
+                PRIMARY KEY (group_id, role_id)
+            );
+        `,
+        callback,
+    );
+};
+
+exports.down = function (db, callback) {
+    db.runSql(
+        `
+        drop table group_role;
+        drop table group_user;
+        drop table groups;
+        `,
+        callback,
+    );
+};