From 887630365ff0531a0556cb71a6b1be0956c41d06 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Mon, 12 Jan 2026 08:57:51 +0000
Subject: feat(deck): show due card count on deck list page

Display a badge with the number of cards due for study today next to
each deck name on the home page. The count is fetched along with deck
data from the API to minimize additional network requests.
---
 src/server/routes/decks.ts | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

(limited to 'src/server/routes/decks.ts')

diff --git a/src/server/routes/decks.ts b/src/server/routes/decks.ts
index 2450bcd..2e170db 100644
--- a/src/server/routes/decks.ts
+++ b/src/server/routes/decks.ts
@@ -2,11 +2,17 @@ import { zValidator } from "@hono/zod-validator";
 import { Hono } from "hono";
 import { z } from "zod";
 import { authMiddleware, Errors, getAuthUser } from "../middleware/index.js";
-import { type DeckRepository, deckRepository } from "../repositories/index.js";
+import {
+	type CardRepository,
+	cardRepository,
+	type DeckRepository,
+	deckRepository,
+} from "../repositories/index.js";
 import { createDeckSchema, updateDeckSchema } from "../schemas/index.js";
 
 export interface DeckDependencies {
 	deckRepo: DeckRepository;
+	cardRepo: CardRepository;
 }
 
 const deckIdParamSchema = z.object({
@@ -14,14 +20,21 @@ const deckIdParamSchema = z.object({
 });
 
 export function createDecksRouter(deps: DeckDependencies) {
-	const { deckRepo } = deps;
+	const { deckRepo, cardRepo } = deps;
 
 	return new Hono()
 		.use("*", authMiddleware)
 		.get("/", async (c) => {
 			const user = getAuthUser(c);
 			const decks = await deckRepo.findByUserId(user.id);
-			return c.json({ decks }, 200);
+			const now = new Date();
+			const decksWithDueCount = await Promise.all(
+				decks.map(async (deck) => {
+					const dueCardCount = await cardRepo.countDueCards(deck.id, now);
+					return { ...deck, dueCardCount };
+				}),
+			);
+			return c.json({ decks: decksWithDueCount }, 200);
 		})
 		.post("/", zValidator("json", createDeckSchema), async (c) => {
 			const user = getAuthUser(c);
@@ -79,4 +92,5 @@ export function createDecksRouter(deps: DeckDependencies) {
 
 export const decks = createDecksRouter({
 	deckRepo: deckRepository,
+	cardRepo: cardRepository,
 });
-- 
cgit v1.2.3-70-g09d2