made android client

server/index.js

@@ -3,6 +3,7 @@ import { fileURLToPath } from "node:url";
 import multer from "multer";
 import { parseWord, PARSER_VERSION } from "./parser.js";
 import { scheduleFor } from "./schedules.js";
+import { timetable } from "./timetable.js";
 import {
   getIndex,
   indexStatus,
@@ -87,6 +88,29 @@ app.get("/api/groups", async (req, res, next) => {
     next(e);
   }
 });
+// A group's lessons by date with weeks applied: for native and other clients.
+app.get("/api/timetable", async (req, res, next) => {
+  try {
+    const doc = String(req.query.doc || ""),
+      group = String(req.query.group || "").slice(0, 40),
+      from = req.query.from || todayIso();
+    if (!doc || !group) return badRequest(res, "Укажите документ (doc) и группу (group).");
+    if (!isDate(from)) return badRequest(res, "Дата должна быть в формате ГГГГ-ММ-ДД.");
+    const file = await documentFor(doc);
+    res.json(
+      timetable({
+        file,
+        schedule: await scheduleFor(file),
+        calendar: await directoryCalendar(),
+        group,
+        from,
+        days: req.query.days,
+      }),
+    );
+  } catch (e) {
+    next(e);
+  }
+});
 app.get("/api/exams", async (req, res, next) => {
   try {
     const group = String(req.query.group || "").slice(0, 40);