filtering based on date, also exporting mail text

work_helpers/ics2table.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, timedelta
 from typing import Iterable
 
 import click
@@ -12,8 +12,44 @@ ICAL_URL = "https://bwsyncandshare.kit.edu/remote.php/dav/public-calendars/69o9H
 ICS_DATE_FORMAT = "%Y%m%dT%H%M%S"
 GERMAN_DATE_FORMAT = "%d.%m.%Y %H:%M"
 
+EARLIEST = datetime.now() - timedelta(days=30 * 3)
+LATEST =   datetime.now() + timedelta(days=30 * 6)
+
 TABLE_COLUMN_ORDER = ("date", "location", "presenter")
 
+
+MAIL_RECIPIENTS = ",".join([
+    "cpistaff@imtek.de",
+    "andrea.paola.layedra.almeida@uniklinik-freiburg.de",
+    "jaro.homburger@biologie.uni-freiburg.de",
+    "kubilay.acar@continental.com", 
+    "Mario.diehlmann@basf.com",
+    "paul.fernandez@fmf.uni-freiburg.de",
+    "sunil.shetty@uniklinik-freiburg.de",
+    "sofia.genoves94@gmail.com", "sofia.genoves@yahoo.com.ar"
+])
+MAIL_SUBJECT = "Updated Group Meeting Schedule"
+MAIL_START = """
+Dear All,
+
+There is an updated group-seminar schedule available: 
+"""
+MAIL_END = """
+If (and only if) you can't make it in person, you can join the presentations via zoom: https://uni-freiburg.zoom-x.de/j/62063730956?pwd=6poraREYWvuHkStuYDRvYhO4vhmTbt.1
+
+Meeting-ID: 620 6373 0956
+Code: Lm5xaDXPH 
+
+You can have a look in our group meeting calendar at: https://bwsyncandshare.kit.edu/apps/calendar/p/69o9HEM9aeZnER8S
+
+Or on our wiki: https://wiki.cpi.imtek.uni-freiburg.de/SeminarSchedule
+
+If you want to add the schedule to your calendar app of choice, please use this subscribe link: https://bwsyncandshare.kit.edu/remote.php/dav/public-calendars/69o9HEM9aeZnER8S/?export
+
+Best,
+Holgi
+"""
+
 # parsers
 
 def _parse_text(ics_text:str) -> str:
@@ -56,8 +92,13 @@ def get_ics(url:str) -> str:
 
 
 def extract_event_info(response:str) -> Events:
-    events = sorted(list(_extract_event_info(response)), key=lambda d: d["date"])
-    for event in events:
+    
+    events = (
+        event for event in 
+        _extract_event_info(response)
+        if EARLIEST < event["date"][0] < LATEST
+    )
+    for event in sorted(events, key=lambda d: d["date"]):
         yield {key: values[1] for key, values in event.items()}
 
 def _extract_event_info(response:str) -> Events:
@@ -80,7 +121,7 @@ def extract_vevent(handle:Iterable[str]) -> dict[str:str]:
     return event
 
 
-def create_table(events:Events) -> str:
+def create_wiki_table(events:Events) -> str:
     table_meta_data = _get_table_meta_data(events)
     headers = {key: f"'''{key.capitalize()}'''" for key in TABLE_COLUMN_ORDER}
     lines = [
@@ -105,12 +146,37 @@ def _get_table_meta_data(events:Events) -> dict[str:int]:
     return meta
 
 
+def create_email_table(events:Events) -> str:
+    table_meta_data = _get_table_meta_data(events)
+    date_key, _, name_key = TABLE_COLUMN_ORDER
+    pad_date = table_meta_data[date_key]
+    lines = [
+        (event[date_key].ljust(pad_date) + " | " + event[name_key]) for event in events
+    ]
+    return "\n".join(lines)
+
 
 @click.command()
 def group_schedule():
     ics_file = get_ics(ICAL_URL)
     events = list(extract_event_info(ics_file))
 
-    table = create_table(events)
-    print(table)
-    pyperclip.copy(table)
+    wiki_table = create_wiki_table(events)
+    email_table = create_email_table(events)
+    
+    components = [
+        wiki_table,
+        "",
+        "",
+        "",
+        MAIL_RECIPIENTS,
+        "",
+        MAIL_SUBJECT,
+        MAIL_START,
+        email_table,
+        MAIL_END
+    ]
+    
+    text = "\n".join(components)
+    print(text)
+    pyperclip.copy(text)