add reminder functionality

my_project_name/caldav_handler.py

@@ -15,16 +15,18 @@ import caldav
 
 class CaldavHandler:
     def get_config(self, path):
-        with open("./config.json") as f:
+        with open(path) as f:
             return json.load(f)
 
     def __init__(self):
         self._config_path = "./config.json"
+        self._event_reminder_path = "./event_reminders.json"
 
         if not exists(self._config_path):
             print("No config file found. Aborting.")
 
         self._config = self.get_config(self._config_path)
+        self._event_reminder_config = self.get_config(self._event_reminder_path)
         self._caldavclient = caldav.DAVClient(self._config["caldav"]["url"],
                                               username=self._config["caldav"]["username"],
                                               password=self._config["caldav"]["password"])
@@ -99,6 +101,45 @@ class CaldavHandler:
         events = self.get_events(datetime.date.today(), datetime.date.today() + datetime.timedelta(days=7))
         return self.send_events(events, 7)
 
+    def time_to_remind(self, event_name, days_to_remind):
+        events = self.get_events(datetime.date.today(), datetime.date.today() + datetime.timedelta(days=days_to_remind + 1))
+        datetime_to_remind = datetime.date.today() + datetime.timedelta(days=days_to_remind)
+
+        datetime_to_remind = datetime_to_remind.strftime("%x")
+        print(datetime_to_remind)
+
+        #create a map where each day is a key and list of events are the values
+        event_map = self.get_event_map(events, days_to_remind + 1)
+
+        print(datetime_to_remind)
+        print(event_map)
+        if datetime_to_remind not in event_map:
+            return False
+
+        for event_name in event_map[datetime_to_remind]:
+            print("found event!")
+            return True
+
+        return False
+
+    def send_reminders(self):
+        print(self._event_reminder_config)
+
+        result = []
+        for event_name in self._event_reminder_config:
+            print("iterating event configs")
+            print(event_name)
+            days = self._event_reminder_config[event_name]["days"]
+            print(days)
+            if not self.time_to_remind(event_name, days):
+                continue
+            reminder_message = self._event_reminder_config[event_name]["message"]
+            result.append(reminder_message)
+            print(reminder_message)
+        return result
+
+
     def print_today(self):
         events = self.get_events(datetime.date.today(), datetime.date.today() + datetime.timedelta(days=1))
+        #self.send_reminders()
         return self.send_events(events, 1)