From 6649fde6b979ea3663ec21576b54b4ae2b57789f Mon Sep 17 00:00:00 2001
From: angerstoner <angerstoner@gmail.com>
Date: Sat, 31 Mar 2018 00:11:48 +0200
Subject: [PATCH] added mensa command

---
 schneiderbot.py | 71 ++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 55 insertions(+), 16 deletions(-)

diff --git a/schneiderbot.py b/schneiderbot.py
index 2155c64..4f2f623 100644
--- a/schneiderbot.py
+++ b/schneiderbot.py
@@ -1,25 +1,23 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-"""Simple Bot to reply to Telegram messages.
-
-This program is dedicated to the public domain under the CC0 license.
-
-This Bot uses the Updater class to handle the bot.
-
-First, a few handler functions are defined. Then, those functions are passed to
-the Dispatcher and registered at their respective places.
-Then, the bot is started and runs until we press Ctrl-C on the command line.
-
-Usage:
-Basic Echobot example, repeats messages.
-Press Ctrl-C on the command line or send a signal to the process to stop the
-bot.
-"""
-
 from telegram.ext import Updater, CommandHandler, MessageHandler, Filters
+from telegram import ParseMode
 import logging
 import random
+import requests
+import datetime
+
+MENSA_URL = {
+    "zentral": "zentralmensa",
+    "nord": "nordmensa",
+    "turm": "turmmensa"
+}
+MENSA_NAME = {
+    "zentral": "Zentralmensa",
+    "nord": "Nordmensa",
+    "turm": "Turmmensa"
+}
 
 # Enable logging
 logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
@@ -56,6 +54,46 @@ def manta(bot, update):
     rand = random.SystemRandom()
     update.message.reply_text(MANTA[rand.randrange(0, len(MANTA), 1)])
 
+def mensa(bot, update, args):
+    which = "zentral"
+    if len(args):
+        which = args[0]
+
+    if which not in MENSA_NAME:
+        update.message.reply_text("Diese Mensa gibt es nicht! RTFM und versuchs nochmal.")
+        return
+
+    today = datetime.datetime.now().date().weekday() + 1
+    today = 2
+    if datetime.datetime.now().time() > datetime.time(hour=16):
+        # Es ist zu spät am Tag, zeig das essen für morgen an
+        today += 1
+
+    today = today % 7
+
+    url = "https://mensa.schneider-hosting.de/static/%s.%d.json" % (MENSA_URL[which], today)
+    request = requests.get(url)
+    request.encoding = 'utf-8'
+    data = request.json()
+
+    message = "Das Essen für %s in der %s \n" % (data["date"], MENSA_NAME[which])
+    
+    if len(data["meals"]) > 0:
+        for meal in data["meals"]:
+            meal_line = "*%s*\n" % meal["category"]
+            meal_line += meal["title"].strip() + "\n"
+
+        # Discord only allows up to 2000 chars per message
+            if len(message) + len(meal_line) > 2000:
+                update.message.reply_text(message, parse_mode=ParseMode.MARKDOWN)
+                message = meal_line + "\n"
+            else:
+                message += meal_line + "\n"
+        update.message.reply_text(message, parse_mode=ParseMode.MARKDOWN)
+    else:
+        update.message.reply_text("Nix zu futtern heute :(")
+
+
 def echo(bot, update):
     """Echo the user message."""
     update.message.reply_text(update.message.text)
@@ -80,6 +118,7 @@ def main():
     dp.add_handler(CommandHandler("help", help))
     dp.add_handler(CommandHandler("magie", magie))
     dp.add_handler(CommandHandler("manta", manta))
+    dp.add_handler(CommandHandler("mensa", mensa, pass_args=True))
 
 
     # log all errors