First Commit. Duplicate bunext-sqlite preset

src/functions/backend/auth/create-signup-user.ts

@@ -0,0 +1,70 @@
+import BunSQLite from "@moduletrace/bun-sqlite";
+import type {
+    BUN_SQLITE_BSQLITE_USERS,
+    BUN_SQLITE_BSQLITE_USER_TYPES,
+    BunSQLiteTables,
+} from "@/db/types/db";
+import AppError from "@/src/utils/app-error";
+
+type Params = {
+    first_name: string;
+    last_name?: string;
+    email: string;
+    username: string;
+};
+
+/**
+ * Creates a self-signup account with the default `read_only` user type
+ * and returns its id.
+ */
+export default async function createSignupUser({
+    first_name,
+    last_name,
+    email,
+    username,
+}: Params) {
+    const new_user_res = await BunSQLite.insert<
+        BUN_SQLITE_BSQLITE_USERS,
+        (typeof BunSQLiteTables)[number]
+    >({
+        table: "users",
+        data: [
+            {
+                first_name,
+                last_name: last_name || "",
+                email,
+                username,
+            },
+        ],
+    });
+
+    /**
+     * bun-sqlite inserts with `RETURNING *` by default, so the new row
+     * comes back as `singleRes` (with `insertId` as a fallback).
+     */
+    const new_user_id =
+        new_user_res.singleRes?.id || new_user_res.postInsertReturn?.insertId;
+
+    if (!new_user_id) {
+        throw new AppError(`Couldn't create your account. Please try again.`);
+    }
+
+    const type_res = await BunSQLite.insert<
+        BUN_SQLITE_BSQLITE_USER_TYPES,
+        (typeof BunSQLiteTables)[number]
+    >({
+        table: "user_types",
+        data: [
+            {
+                user_id: new_user_id,
+                user_type: "read_only",
+            },
+        ],
+    });
+
+    if (!type_res.success) {
+        throw new AppError(`Couldn't create your account. Please try again.`);
+    }
+
+    return new_user_id;
+}