feat: add onboarding with oldmarr import (#1606)

packages/old-import/src/settings.ts

@@ -0,0 +1,63 @@
+import { z } from "zod";
+import { zfd } from "zod-form-data";
+
+import { boardSizes } from "@homarr/old-schema";
+import { validation, zodEnumFromArray } from "@homarr/validation";
+import { createCustomErrorParams } from "@homarr/validation/form";
+
+export const sidebarBehaviours = ["remove-items", "last-section"] as const;
+export const defaultSidebarBehaviour = "last-section";
+export type SidebarBehaviour = (typeof sidebarBehaviours)[number];
+
+export const oldmarrImportConfigurationSchema = z.object({
+  name: validation.board.name,
+  onlyImportApps: z.boolean().default(false),
+  screenSize: zodEnumFromArray(boardSizes).default("lg"),
+  sidebarBehaviour: z.enum(sidebarBehaviours).default(defaultSidebarBehaviour),
+});
+
+export type OldmarrImportConfiguration = z.infer<typeof oldmarrImportConfigurationSchema>;
+
+export const initialOldmarrImportSettings = oldmarrImportConfigurationSchema.pick({
+  onlyImportApps: true,
+  sidebarBehaviour: true,
+});
+
+export type InitialOldmarrImportSettings = z.infer<typeof initialOldmarrImportSettings>;
+
+export const superRefineJsonImportFile = (value: File | null, context: z.RefinementCtx) => {
+  if (!value) {
+    return context.addIssue({
+      code: "invalid_type",
+      expected: "object",
+      received: "null",
+    });
+  }
+
+  if (value.type !== "application/json") {
+    return context.addIssue({
+      code: "custom",
+      params: createCustomErrorParams({
+        key: "invalidFileType",
+        params: { expected: "JSON" },
+      }),
+    });
+  }
+
+  if (value.size > 1024 * 1024) {
+    return context.addIssue({
+      code: "custom",
+      params: createCustomErrorParams({
+        key: "fileTooLarge",
+        params: { maxSize: "1 MB" },
+      }),
+    });
+  }
+
+  return null;
+};
+
+export const importJsonFileSchema = zfd.formData({
+  file: zfd.file().superRefine(superRefineJsonImportFile),
+  configuration: zfd.json(oldmarrImportConfigurationSchema),
+});