From 21ee7c5fde7e87de751dbfc5008e8ae2e41a4238 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20P=C3=A9rez-Cerezo?= <gabriel@gpcf.eu>
Date: Fri, 22 Sep 2017 16:16:03 +0200
Subject: First working program

---
 common.py     |  8 ++++++++
 mathemensa.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
 mensa.py      | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 105 insertions(+)
 create mode 100644 common.py
 create mode 100644 mathemensa.py
 create mode 100644 mensa.py

diff --git a/common.py b/common.py
new file mode 100644
index 0000000..3ebea36
--- /dev/null
+++ b/common.py
@@ -0,0 +1,8 @@
+# Common classes and methods.
+
+class Food :
+    def __init__(self,name, price="", category=None, veggie=False) :
+        self.name = name
+        self.price = price
+        self.category = category
+        self.veggie = veggie
diff --git a/mathemensa.py b/mathemensa.py
new file mode 100644
index 0000000..b4f97af
--- /dev/null
+++ b/mathemensa.py
@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+
+import urllib2
+from lxml import etree
+from lxml.cssselect import CSSSelector
+
+import  xml.sax.saxutils as saxutils
+import html5lib
+import datetime
+from common import Food
+
+def get_food_items() :
+    weekday = datetime.datetime.today().weekday()
+    if weekday > 4 :
+        print "Error: No food today"
+        return ""
+    user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64)'
+    headers = {'User-Agent': user_agent}
+    
+    req = urllib2.Request('http://personalkantine.personalabteilung.tu-berlin.de/', headers=headers)
+    response = urllib2.urlopen(req)
+    the_page = response.read()
+    document = html5lib.parse(the_page, treebuilder="lxml")
+    sel = CSSSelector('.Menu__accordion')
+    fl = []
+    for k in sel(document)[0][weekday] :
+        if k.tag.endswith("ul") :
+            for j in k :
+                price = j[1].text
+                name = j[0].text + etree.fromstring("<p>"+etree.tostring(j).split("\n")[2].split("<")[0]+"</p>").text.strip() # really extremely dirty hack
+                veg = 0
+                if "(v)" in name or u"Gemüseplatte" in name :
+                    veg = 1
+                fl.append(Food(name, price, u"Menü", veg))
+    return fl
+if __name__ == "__main__":
+    food = get_food_items()
+    cat = []
+    vegkeys = [ "", "Vegetarian", "Vegan" ]
+    for i in food:
+        if not i.category in cat :
+            cat.append(i.category)
+            if not i.category == None : 
+                print i.category
+        print "\t" + i.name.ljust(80) + "\t"+ i.price.ljust(20) + vegkeys[i.veggie]
diff --git a/mensa.py b/mensa.py
new file mode 100644
index 0000000..1ecef11
--- /dev/null
+++ b/mensa.py
@@ -0,0 +1,52 @@
+# Copyright (C) 2017 Gabriel Perez-Cerezo <gabriel@gpcf.eu>
+
+import urllib2
+from lxml import etree
+from lxml.cssselect import CSSSelector
+import html5lib
+from common import Food
+
+def get_food_items(mensa="mensa-tu-hardenbergstra%C3%9Fe", ignore_nudelauswahl=False) :
+    user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64)'
+    headers = {'User-Agent': user_agent}
+    
+    req = urllib2.Request('https://www.stw.berlin/mensen/mensa-tu-hardenbergstra%C3%9Fe.html', headers=headers)
+    response = urllib2.urlopen(req)
+    the_page = response.read()
+    document = html5lib.parse(the_page, treebuilder="lxml")
+    groupsel = CSSSelector('.splGroupWrapper')
+    groups = [e for e in groupsel(document)]
+    fl = []
+    for i in groups :
+        name = CSSSelector('.splGroup')(i)[0].text
+        sel = CSSSelector('.splMeal')
+        meals = [e for e in sel(i)]
+        for m in meals :        
+            namesel = CSSSelector('.bold')
+            nm = namesel(m)[0].text
+            if ignore_nudelauswahl  and "Nudelauswahl" in nm:
+                continue
+            pricesel = CSSSelector('.col-md-3')
+            veg = 0
+            if len(pricesel(m)[0]) >= 2 :
+                if "15" in pricesel(m)[0][1].attrib["src"] :
+                    veg = 2
+                elif "1.png" in pricesel(m)[0][1].attrib["src"] :
+                    veg = 1
+            price = pricesel(m)[-1].text.strip()
+            fl.append(Food(nm, price, name, veg))
+    return fl
+
+
+
+# format:
+if __name__ == "__main__":
+    food = get_food_items("", ignore_nudelauswahl=True)
+    cat = []
+    vegkeys = [ "", "Vegetarian", "Vegan" ]
+    for i in food:
+        if not i.category in cat :
+            cat.append(i.category)
+            if not i.category == None : 
+                print i.category
+        print "\t" + i.name.ljust(80) + "\t"+ i.price.ljust(20) + vegkeys[i.veggie]
-- 
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