feat: add i18n mechanism

src/core/schedules/schedulejson.py

@@ -38,7 +38,8 @@ class ScheduleJSONSupport(BaseScheduleSupport):
         if the name of the event changes the identifier must not change!
         """
 
-        schedule = ScheduleJSON.from_url(self.remote_url)
+        schedule = ScheduleJSON.from_url(self.remote_url, language='en')
+        schedule_de = ScheduleJSON.from_url(self.remote_url, language='de', event_map=True)
         instance = urlparse(schedule.get('base_url', self.remote_url))
         base_url = f'//{instance.netloc}'
 
@@ -52,6 +53,8 @@ class ScheduleJSONSupport(BaseScheduleSupport):
                     'language': e.get('language'),
                     'abstract': e.get('abstract') or '',
                     'description': e.get('description') or '',
+                    'description_en': e.get('description') or '',
+                    'description_de': schedule_de.event(e.get('guid')).get('description') or '',
                     'track': e.get('track'),
                     'room': e.get('room'),
                     'schedule_start': e.get('date'),
@@ -78,13 +81,18 @@ class ScheduleJSON:
     """
 
     _schedule = None
+    _events = None
 
-    def __init__(self, json):
+    def __init__(self, json, event_map=False):
         self._schedule = json
+        if event_map:
+            self._events = {e.get('guid'): e for e in self.events()}
 
     @classmethod
-    def from_url(cls, url):
-        r = s.get(url)
+    def from_url(cls, url, client=None, language=None, event_map=False):
+        if not client:
+            client = requests
+        r = client.get(url, headers={'Accept-Language': language} if language else None)
 
         if r.ok is False:
             raise Exception(f'Request failed, HTTP {r.status_code}.')
@@ -92,7 +100,7 @@ class ScheduleJSON:
         # maintain order from input file
         schedule = json.JSONDecoder(object_pairs_hook=OrderedDict).decode(r.text)
 
-        return ScheduleJSON(json=schedule['schedule'])
+        return ScheduleJSON(json=schedule['schedule'], event_map=event_map)
 
     def __getitem__(self, key):
         return self._schedule[key]
@@ -128,5 +136,10 @@ class ScheduleJSON:
             for room in day.get('rooms'):
                 yield from day.get('rooms')[room]
 
+    def event(self, guid):
+        if guid in self._events:
+            return self._events[guid]
+        return None
+
     def __str__(self):
         return json.dumps(self._schedule, indent=2)