feat: changed backend-pg to backend

backend/src/db/migrations/20231128092347_user-encryption-key.ts

@@ -0,0 +1,31 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const isTablePresent = await knex.schema.hasTable(TableName.UserEncryptionKey);
+  if (!isTablePresent) {
+    await knex.schema.createTable(TableName.UserEncryptionKey, (t) => {
+      t.uuid("id", { primaryKey: true }).defaultTo(knex.fn.uuid());
+      t.text("clientPublicKey");
+      t.text("serverPrivateKey");
+      t.integer("encryptionVersion").defaultTo(2);
+      t.text("protectedKey");
+      t.text("protectedKeyIV");
+      t.text("protectedKeyTag");
+      t.text("publicKey").notNullable();
+      t.text("encryptedPrivateKey").notNullable();
+      t.text("iv").notNullable();
+      t.text("tag").notNullable();
+      t.text("salt").notNullable();
+      t.text("verifier").notNullable();
+      // one to one relationship
+      t.uuid("userId").notNullable().unique();
+      t.foreign("userId").references("id").inTable(TableName.Users).onDelete("CASCADE");
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.dropTableIfExists(TableName.UserEncryptionKey);
+}