implemented a lot of features

database/migrations/1768620764740_add_file_key_to_files_table.ts

@@ -0,0 +1,17 @@
+import { BaseSchema } from '@adonisjs/lucid/schema'
+
+export default class extends BaseSchema {
+  protected tableName = 'files'
+
+  async up() {
+    this.schema.alterTable(this.tableName, (table) => {
+      table.string('file_key', 40).unique()
+    })
+  }
+
+  async down() {
+    this.schema.alterTable(this.tableName, (table) => {
+      table.dropColumn('file_key')
+    })
+  }
+}