Add go links and minor refactoring

src/app/migrations/2022-04-04T19:22:30.795Z_CreateGolinksTableMigration.migration.ts

@@ -0,0 +1,49 @@
+import {DatabaseService, FieldType, Inject, Injectable, Migration} from '@extollo/lib'
+
+/**
+ * CreateGolinksTableMigration
+ * ----------------------------------
+ * Create Table to store URL redirections
+ */
+@Injectable()
+export default class CreateGolinksTableMigration extends Migration {
+    @Inject()
+    protected readonly db!: DatabaseService
+
+    /**
+     * Apply the migration.
+     */
+    async up(): Promise<void> {
+        const schema = this.db.get().schema()
+        const table = await schema.table('go_links')
+
+        table.primaryKey('go_link_id').required()
+
+        table.column('active')
+            .type(FieldType.bool)
+            .default(true)
+
+        table.column('short')
+            .type(FieldType.varchar)
+            .required()
+            .unique()
+
+        table.column('url')
+            .type(FieldType.text)
+            .required()
+
+        await schema.commit(table)
+    }
+
+    /**
+     * Undo the migration.
+     */
+    async down(): Promise<void> {
+        const schema = this.db.get().schema()
+        const table = await schema.table('go_links')
+
+        table.dropIfExists()
+
+        await schema.commit(table)
+    }
+}