feat: zvýraznění dnů v historii obsahujících objednávky

server/src/groups.ts

@@ -28,6 +28,24 @@ function findGroup(data: ClientData, id: string): OrderGroup | undefined {
     return data.groups?.find(g => g.id === id);
 }
 
+/**
+ * Vrátí seznam ISO dat (YYYY-MM-DD), pro která existuje alespoň jedna objednávková skupina.
+ * Slouží ke zvýraznění dnů v date pickeru na stránce objednávání.
+ */
+export async function getOrderDates(): Promise<string[]> {
+    const EXTRA_SUFFIX = '_extra';
+    const keys = await storage.listKeys(EXTRA_SUFFIX);
+    const dates: string[] = [];
+    for (const key of keys) {
+        if (!key.endsWith(EXTRA_SUFFIX)) continue;
+        const data = await storage.getData<ClientData>(key);
+        if (data?.groups && data.groups.length > 0) {
+            dates.push(key.slice(0, -EXTRA_SUFFIX.length));
+        }
+    }
+    return dates.sort();
+}
+
 export async function createGroup(creatorLogin: string, name: string, date?: Date): Promise<ClientData> {
     const stores = await getStores();
     if (!stores.some(s => s.toLowerCase() === name.trim().toLowerCase())) {

server/src/routes/groupRoutes.ts

@@ -2,7 +2,7 @@ import express, { Request } from "express";
 import { getLogin } from "../auth";
 import { parseToken } from "../utils";
 import { getWebsocket } from "../websocket";
-import { createGroup, deleteGroup, addGroupMember, removeGroupMember, updateGroupMember, setGroupState, updateGroupTimes, updateGroupFees } from "../groups";
+import { createGroup, deleteGroup, addGroupMember, removeGroupMember, updateGroupMember, setGroupState, updateGroupTimes, updateGroupFees, getOrderDates } from "../groups";
 import { GroupState } from "../../../types/gen/types.gen";
 
 const router = express.Router();
@@ -11,6 +11,13 @@ function broadcastExtra(data: any) {
     getWebsocket().emit("message", data);
 }
 
+router.get("/dates", async (_req, res, next) => {
+    try {
+        const dates = await getOrderDates();
+        res.status(200).json({ dates });
+    } catch (e: any) { next(e); }
+});
+
 router.post("/create", async (req: Request, res, next) => {
     const login = getLogin(parseToken(req));
     const { name } = req.body ?? {};

server/src/storage/StorageInterface.ts

@@ -29,4 +29,10 @@ export interface StorageInterface {
      * @param data data pro uložení
      */
     setData<Type>(key: string, data: Type): Promise<void>;
+
+    /**
+     * Vrátí seznam všech klíčů, případně jen těch obsahujících předaný podřetězec.
+     * @param contains volitelný podřetězec, který musí klíč obsahovat (např. '_extra')
+     */
+    listKeys(contains?: string): Promise<string[]>;
 }

server/src/storage/json.ts

@@ -29,4 +29,9 @@ export default class JsonStorage implements StorageInterface {
         db.set(key, data);
         return Promise.resolve();
     }
+
+    listKeys(contains?: string): Promise<string[]> {
+        const keys = Object.keys(db.JSON());
+        return Promise.resolve(contains ? keys.filter(k => k.includes(contains)) : keys);
+    }
 }

server/src/storage/memory.ts

@@ -24,4 +24,9 @@ export default class MemoryStorage implements StorageInterface {
         store.set(key, data);
         return Promise.resolve();
     }
+
+    listKeys(contains?: string): Promise<string[]> {
+        const keys = Array.from(store.keys());
+        return Promise.resolve(contains ? keys.filter(k => k.includes(contains)) : keys);
+    }
 }

server/src/storage/redis.ts

@@ -31,4 +31,16 @@ export default class RedisStorage implements StorageInterface {
         await client.json.set(key, '.', data as any);
         await client.json.get(key);
     }
+
+    async listKeys(contains?: string): Promise<string[]> {
+        // SCAN je bezpečnější než KEYS na produkci (neblokuje server)
+        const match = contains ? `*${contains}*` : '*';
+        const keys: string[] = [];
+        for await (const key of client.scanIterator({ MATCH: match, COUNT: 100 })) {
+            // node-redis v4 vrací buď string, nebo (novější verze) pole stringů
+            if (Array.isArray(key)) keys.push(...key);
+            else keys.push(key);
+        }
+        return keys;
+    }
 }

server/src/tests/storage-contract.test.ts

@@ -26,6 +26,10 @@ const implementations: [string, () => StorageInterface, () => void][] = [
         inst.hasData = async (key: string) => Promise.resolve((inst as any).db.has(key));
         inst.getData = async (key: string) => (inst as any).db.get(key);
         inst.setData = async (key: string, data: any) => { (inst as any).db.set(key, data); return Promise.resolve(); };
+        inst.listKeys = async (contains?: string) => {
+            const keys = Object.keys((inst as any).db.JSON());
+            return contains ? keys.filter((k: string) => k.includes(contains)) : keys;
+        };
         return inst;
     }, () => {
         if (fs.existsSync(tempDbPath)) {
@@ -76,6 +80,22 @@ describe.each(implementations)('%s splňuje StorageInterface kontrakt', (name, f
         expect((await storage.getData<{ val: string }>('a'))?.val).toBe('A');
         expect((await storage.getData<{ val: string }>('b'))?.val).toBe('B');
     });
+
+    test('listKeys vrátí všechny uložené klíče', async () => {
+        await storage.setData('2024-01-01_extra', {});
+        await storage.setData('2024-01-02', {});
+        const keys = await storage.listKeys();
+        expect(keys).toContain('2024-01-01_extra');
+        expect(keys).toContain('2024-01-02');
+    });
+
+    test('listKeys filtruje podle podřetězce', async () => {
+        await storage.setData('2024-01-01_extra', {});
+        await storage.setData('2024-01-02_extra', {});
+        await storage.setData('2024-01-02', {});
+        const keys = await storage.listKeys('_extra');
+        expect(keys.sort()).toEqual(['2024-01-01_extra', '2024-01-02_extra']);
+    });
 });
 
 afterAll(() => {