From 85f50a41e8939d28d0542894009eff57c551f323 Mon Sep 17 00:00:00 2001
From: Raphael Roberts <raphael.roberts48@gmail.com>
Date: Mon, 19 Nov 2018 23:45:12 -0600
Subject: [PATCH] Starting on event class Major refactor coming up

---
 gapi/calendar_api.py | 125 +++++++++++++++++++++++++++++++++----------
 1 file changed, 98 insertions(+), 27 deletions(-)

diff --git a/gapi/calendar_api.py b/gapi/calendar_api.py
index 69a22c0..3112923 100644
--- a/gapi/calendar_api.py
+++ b/gapi/calendar_api.py
@@ -1,12 +1,26 @@
-from gapi.api import API
+if __name__ == "__main__":
+    from api import API
+else:
+    from gapi.api import API
+
 import datetime
 import argparse
 import tzlocal
+from dateutil import rrule,tz
+from dateutil.parser import parse as date_parse
 from oauth2client import tools
 flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
 APPLICATION_NAME = 'Google Calendar API Python'
 
-def dateTime(datetime):
+SUN = 0
+MON = 1
+TUE = 2
+WED = 3
+THU = 4
+FRI = 5
+SAT = 6
+
+def to_dateTime(datetime):
     if not datetime.tzinfo:
         datetime = datetime.astimezone()
     zone = tzlocal.get_localzone().zone
@@ -15,42 +29,86 @@ def dateTime(datetime):
         "timeZone":zone,
         "dateTime":datetime,
         }
+def from_dateTime(dateTime):
+    timezone = tz.gettz(dateTime['timeZone'])
+    datetime = date_parse(dateTime['dateTime'])
+    datetime.replace(tzinfo=timezone)
+    return datetime
 
 #~~BODY EXAMPLE~~#
-# {'attendees': [{'email': 'lpage@example.com'},
-#                {'email': 'sbrin@example.com'}],
-#  'description': "A chance to hear more about Google's developer products.",
-#  'end': {'dateTime': '2015-05-28T17:00:00-07:00',
-#          'timeZone': 'America/Los_Angeles'},
-#  'location': '800 Howard St., San Francisco, CA 94103',
-#  'recurrence': ['RRULE:FREQ=DAILY;COUNT=2'],
-#  'reminders': {'overrides': [{'method': 'email', 'minutes': 1440},
-#                              {'method': 'popup', 'minutes': 10}],
-#                'useDefault': False},
-#  'start': {'dateTime': '2015-05-28T09:00:00-07:00',
-#            'timeZone': 'America/Los_Angeles'},
-#  'summary': 'Google I/O 2015'}
+
 class event:
     def __init__(self,
         start,
         end,
-        summary,
+        name,
         description = None,
-        recurrence = None
+        recurrence = None,
         location = None,
+        id = None
     ):
-        self.start = start,
-        self.end = end,
-        self.summary = summary,
-        self.description = description,
+        self.start = start
+        self.end = end
+        self.summary = name
+        self.description = description
         self.location = location
-    def add_reminder(self,minutes_until,method = 'popup'):
-        pass
-    def add_weekly_recurrence(self,*days):
-        pass
-    def json(self):
+        self.id = id
+        self.reminders = {'useDefault':True}
+
+    def add_reminder(self,until,method = 'popup'):
+        self.recurrence['useDefault'] = False
+        if isinstance(until,datetime.timedelta):
+            minutes_until = until.days * 24 * 60
+            minutes_until += until.seconds//60
+        else:
+            minutes_until = until
+        self.recurrence['overrides'] = {
+            'method':minutes_until,
+            'method':method,
+        }
+
+    def add_weekly_recurrence(self,until,*days):
+            ret = rrule.rrule(freq=rrule.WEEKLY,dtstart=self.start,wkst=SUN,until=until,byweekday=days)
+            ret_str = str(ret).split('\n')[-1]
+            ret_str=re.sub(r'(UNTIL=[^;]+)',r'\1Z',ret_str)
+            try:
+                self.recurrence
+            except AttributeError:
+                self.recurrence = []
+            self.recurrence.append(ret_str)
+
+    def to_json(self):
+        keys = ('attendees', 'description',  'location', 'recurrence', 'reminders', 'summary')
+        ret = {
+            'start': to_dateTime(self.start),
+            'end': to_dateTime(self.end),
+            }
+        for key in keys:
+            try:
+                value = self.__getattribute__(key)
+                if value:
+                    ret[key] = value
+            except AttributeError:
+                pass
+        return ret
+
+    def add_attendees(self):
         pass
 
+    @classmethod
+    def from_json(cls,body):
+        args = {}
+        args['name'] = body.get('summary','unamed')
+        args['start'] = from_dateTime(body['start'])
+        args['end'] = from_dateTime(body['end'])
+        instance = cls(**args)
+        keys = ('attendees', 'description',  'location', 'recurrence', 'reminders', 'summary')
+        for key in keys:
+            try:
+                args[key] = body[key]
+            except KeyError:
+                pass
+
 class calendar_api(API):
     def __init__(self,
             app_name,
@@ -117,4 +175,17 @@ class calendar_api(API):
                 break
         return ret
 if __name__ == "__main__":
-     my_api = calendar_api(APPLICATION_NAME,r'..\test\calendar\client_secret.json',r'..\test\calendar')
+    example = {'attendees': [{'email': 'lpage@example.com'},
+                               {'email': 'sbrin@example.com'}],
+                 'description': "A chance to hear more about Google's developer products.",
+                 'end': {'dateTime': '2015-05-28T17:00:00-07:00',
+                         'timeZone': 'America/Los_Angeles'},
+                 'location': '800 Howard St., San Francisco, CA 94103',
+                 'recurrence': ['RRULE:FREQ=DAILY;COUNT=2'],
+                 'reminders': {'overrides': [{'method': 'email', 'minutes': 1440},
+                                             {'method': 'popup', 'minutes': 10}],
+                               'useDefault': False},
+                 'start': {'dateTime': '2015-05-28T09:00:00-07:00',
+                           'timeZone': 'America/Los_Angeles'},
+                 'summary': 'Google I/O 2015'}
+    e = event.from_json(example)
\ No newline at end of file