initial commit, boilerplate stuff

api/model/db.ts

@@ -0,0 +1,97 @@
+import { DatabaseSync, type SQLOutputValue } from "node:sqlite";
+import { Dump, type User } from "./interfaces.ts";
+
+export const db = new DatabaseSync("api/sql/gerbeur.db");
+
+/**
+ * Database Row Types
+ */
+
+export interface DumpRow {
+  id: string;
+  title: string;
+  description: string | null;
+  user_id: string;
+  created_at: string;
+  [key: string]: SQLOutputValue; // Index signature
+}
+
+export interface UserRow {
+  id: string;
+  username: string;
+  password_hash: string;
+  is_admin: number;
+  created_at: string;
+  [key: string]: SQLOutputValue; // Index signature
+}
+
+/**
+ * Type Guards
+ */
+
+export function isDumpRow(obj: Record<string, SQLOutputValue>): obj is DumpRow {
+  return !!obj &&
+    typeof obj === "object" &&
+    "id" in obj && typeof obj.id === "string" &&
+    "title" in obj && typeof obj.title === "string" &&
+    "description" in obj &&
+    (typeof obj.description === "string" || obj.description === null) &&
+    "user_id" in obj && typeof obj.user_id === "string" &&
+    "created_at" in obj && typeof obj.created_at === "string";
+}
+
+export function isUserRow(obj: Record<string, SQLOutputValue>): obj is UserRow {
+  return !!obj &&
+    typeof obj === "object" &&
+    "id" in obj && typeof obj.id === "string" &&
+    "username" in obj && typeof obj.username === "string" &&
+    "password_hash" in obj && typeof obj.password_hash === "string" &&
+    "is_admin" in obj && typeof obj.is_admin === "number" &&
+    "created_at" in obj && typeof obj.created_at === "string";
+}
+
+/**
+ * Conversion Helpers
+ */
+
+export function dumpRowToApi(
+  row: DumpRow,
+): Dump {
+  return {
+    id: row.id,
+    title: row.title,
+    description: row.description ?? undefined,
+    userId: row.user_id,
+    createdAt: new Date(row.created_at),
+  };
+}
+
+export function dumpApiToRow(dump: Dump): DumpRow {
+  return {
+    id: dump.id,
+    title: dump.title,
+    description: dump.description ?? null,
+    user_id: dump.userId,
+    created_at: dump.createdAt.toISOString(),
+  };
+}
+
+export function userRowToApi(row: UserRow): User {
+  return {
+    id: row.id,
+    username: row.username,
+    passwordHash: row.password_hash,
+    isAdmin: Boolean(row.is_admin),
+    createdAt: new Date(row.created_at),
+  };
+}
+
+export function userApiToRow(user: User): UserRow {
+  return {
+    id: user.id,
+    username: user.username,
+    password_hash: user.passwordHash,
+    is_admin: user.isAdmin ? 1 : 0,
+    created_at: user.createdAt.toISOString(),
+  };
+}