From cd269b3540fb5e3a988c1b59d3763db360b1fb34 Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Tue, 17 Sep 2024 13:20:04 +0100
Subject: many, many changes

---
 gui/src/types/balanceMap.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 gui/src/types/balanceMap.ts

(limited to 'gui/src/types/balanceMap.ts')

diff --git a/gui/src/types/balanceMap.ts b/gui/src/types/balanceMap.ts
new file mode 100644
index 0000000..760843f
--- /dev/null
+++ b/gui/src/types/balanceMap.ts
@@ -0,0 +1,17 @@
+import { Category } from "./category";
+import Currency from "./currency/currency";
+import { newGbpFromDto } from "./currency/gbp";
+
+type BalanceMap<T extends { id: any }> = {
+  [id in T["id"]]: Currency;
+};
+
+function newCategoryBalanceMapFromDto(dto: unknown): BalanceMap<Category> {
+  return Object.fromEntries(
+    (dto as { category_id: Category["id"]; balance: number }[]).map(
+      ({ category_id, balance }) => [category_id, newGbpFromDto(balance)],
+    ),
+  );
+}
+
+export { type BalanceMap, newCategoryBalanceMapFromDto };
-- 
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