${\n dateObj.toLocaleDateString(\"de-DE\", {\n weekday: \"long\",\n })\n }, der ${dateObj.toLocaleDateString(\"de-DE\")}

\\n

${escapeHtml(entry.category)}: ${\n escapeHtml(entry.name)\n } (${entry.price.stud.toFixed(2).replace(\".\", \",\")}€)

\\n\";\n return out;\n })\n .join(\"\");\n\n return textResponse(\n `\n\n\t\n\t\t\n\t\t\n\t\t\n\t\tmensa\n\t\t\n\t\n\t\n\t\t

Speiseplan fuer KW ${week}

\n\t\t${body}\n\t\n`,\n 200,\n \"text/html; charset=utf-8\",\n );\n }\n default:\n return textResponse(\"Invalid format\", 400);\n }\n}\n\nasync function registerWebhook(\n env: BotEnv,\n request: Request,\n): Promise {\n if (request.headers.get(\"Authorization\") !== env.TELEGRAM_TOKEN) {\n return jsonResponse({ error: \"Unauthorized\" }, 401);\n }\n\n const url = new URL(request.url);\n const webhookUrl = `https://${url.host}${WEBHOOK_PATH}`;\n const result = (await (\n await tgGet(env, \"setWebhook\", {\n url: webhookUrl,\n secret_token: env.WEBHOOK_SECRET,\n })\n ).json()) as { ok?: boolean };\n\n if (result.ok) {\n return jsonResponse({ status: \"ok\", webhookUrl });\n }\n\n return jsonResponse(\n {\n error: \"Failed to register webhook\",\n response: result,\n webhookUrl,\n },\n 500,\n );\n}\n\nasync function unregisterWebhook(\n env: BotEnv,\n request: Request,\n): Promise {\n if (request.headers.get(\"Authorization\") !== env.TELEGRAM_TOKEN) {\n return jsonResponse({ error: \"Unauthorized\" }, 401);\n }\n\n const result =\n (await (await tgGet(env, \"setWebhook\", { url: \"\" })).json()) as {\n ok?: boolean;\n };\n\n if (result.ok) {\n return jsonResponse({ status: \"ok\" });\n }\n\n return jsonResponse({\n error: \"Failed to unregister webhook\",\n response: result,\n }, 500);\n}\n\nasync function handleWebhookUpdate(\n env: BotEnv,\n request: Request,\n): Promise {\n if (\n request.headers.get(\"X-Telegram-Bot-Api-Secret-Token\") !==\n env.WEBHOOK_SECRET\n ) {\n return textResponse(\"Unauthorized\", 403);\n }\n\n let update: unknown;\n try {\n update = await request.json();\n } catch {\n return textResponse(\"Invalid JSON\", 400);\n }\n\n const message = getTextMessage(update);\n if (message) {\n await handleTelegramMessage(env, message);\n }\n\n return textResponse(\"ok\");\n}\n\nasync function handleRequest(request: Request, env: BotEnv): Promise {\n const url = new URL(request.url);\n const path = normalizePath(url.pathname);\n\n if (request.method === \"GET\" && path === \"/\") {\n return textResponse(\"Hi!\");\n }\n\n if (request.method === \"GET\" && path === \"/mensa\") {\n return handleWeekRoute(env, request, getISOWeek(new Date()));\n }\n\n const weekMatch = path.match(/^\\/mensa\\/(\\d{1,2})$/);\n if (request.method === \"GET\" && weekMatch) {\n const week = Number.parseInt(weekMatch[1], 10);\n if (!isValidWeek(week)) {\n return textResponse(\"Invalid week\", 400);\n }\n return handleWeekRoute(env, request, week);\n }\n\n if (request.method === \"POST\" && path === WEBHOOK_PATH) {\n return handleWebhookUpdate(env, request);\n }\n\n if (request.method === \"GET\" && path === \"/webhook/register\") {\n return registerWebhook(env, request);\n }\n\n if (request.method === \"GET\" && path === \"/webhook/unregister\") {\n return unregisterWebhook(env, request);\n }\n\n return textResponse(\"Not Found\", 404);\n}\n\nfunction createMemoryCache(): CacheStore {\n const store = new Map();\n return {\n async get(key: string) {\n const hit = store.get(key);\n if (!hit) {\n return null;\n }\n if (Date.now() >= hit.expiresAt) {\n store.delete(key);\n return null;\n }\n return hit.value;\n },\n async put(key: string, value: string, options?: CachePutOptions) {\n const ttl = options?.expirationTtl ?? CACHE_TTL_SECONDS;\n store.set(key, {\n value,\n expiresAt: Date.now() + ttl * 1000,\n });\n },\n };\n}\n\nexport { createMemoryCache, handleRequest, WEBHOOK_PATH };\nexport type { BotEnv, CachePutOptions, CacheStore, MensaEntry, MensaPrice };","deleted","label",[100],"permalink","https://www.val.town/x/tionis/uni-passau-bot/code/bot.ts","extension","actionData","errors"]