feat: add onboarding with oldmarr import (#1606)

packages/old-import/src/import/import-initial-oldmarr.ts

@@ -0,0 +1,45 @@
+import type { z } from "zod";
+
+import { Stopwatch } from "@homarr/common";
+import type { Database } from "@homarr/db";
+import { logger } from "@homarr/log";
+
+import { analyseOldmarrImportAsync } from "../analyse/analyse-oldmarr-import";
+import { prepareMultipleImports } from "../prepare/prepare-multiple";
+import { createBoardInsertCollection } from "./collections/board-collection";
+import { createIntegrationInsertCollection } from "./collections/integration-collection";
+import { createUserInsertCollection } from "./collections/user-collection";
+import type { importInitialOldmarrInputSchema } from "./input";
+import { ensureValidTokenOrThrow } from "./validate-token";
+
+export const importInitialOldmarrAsync = async (
+  db: Database,
+  input: z.infer<typeof importInitialOldmarrInputSchema>,
+) => {
+  const stopwatch = new Stopwatch();
+  const { checksum, configs, users: importUsers } = await analyseOldmarrImportAsync(input.file);
+  ensureValidTokenOrThrow(checksum, input.token);
+
+  const { preparedApps, preparedBoards, preparedIntegrations } = prepareMultipleImports(
+    configs,
+    input.settings,
+    input.boardSelections,
+  );
+
+  logger.info("Preparing import data in insert collections for database");
+
+  const boardInsertCollection = createBoardInsertCollection({ preparedApps, preparedBoards }, input.settings);
+  const userInsertCollection = createUserInsertCollection(importUsers, input.token);
+  const integrationInsertCollection = createIntegrationInsertCollection(preparedIntegrations, input.token);
+
+  logger.info("Inserting import data to database");
+
+  // Due to a limitation with better-sqlite it's only possible to use it synchronously
+  db.transaction((transaction) => {
+    boardInsertCollection.insertAll(transaction);
+    userInsertCollection.insertAll(transaction);
+    integrationInsertCollection.insertAll(transaction);
+  });
+
+  logger.info(`Import successful (in ${stopwatch.getElapsedInHumanWords()})`);
+};