From ca22545542d82301f4ef89e073f56c13650aa344 Mon Sep 17 00:00:00 2001
From: Lukas Winkler <git@lw1.at>
Date: Sun, 28 Apr 2019 19:26:31 +0200
Subject: [PATCH] refresh notifications and use telegram instead of mail

---
 guess.py         | 15 +++++++--------
 import.py        |  3 +--
 main.py          | 42 ++++++++++++++++++++++++++----------------
 requirements.txt | 17 +++++++++++++----
 sendmail.py      | 15 ---------------
 5 files changed, 47 insertions(+), 45 deletions(-)
 delete mode 100644 sendmail.py

diff --git a/guess.py b/guess.py
index 86b826a..0ccac72 100644
--- a/guess.py
+++ b/guess.py
@@ -1,15 +1,15 @@
 from datetime import datetime, timedelta, time
 
-from pytz import timezone
-
-midday = time(12)
-
 import astropy.coordinates as coord
 from astropy.time import Time
+from pytz import timezone
 
 import config
 
-tz=timezone(config.tz)
+midday = time(12)
+
+tz = timezone(config.tz)
+
 
 def time2altitude(time: datetime) -> float:
     astro_time = Time(tz.localize(time))
@@ -18,17 +18,16 @@ def time2altitude(time: datetime) -> float:
     return sun.transform_to(altaz).alt.degree
 
 
-def get_time(altitude, time=False):
+def get_time(altitude):
     lower = datetime.combine(datetime.now().date(), midday)
     upper = lower + timedelta(hours=12)
 
-    while upper - lower > timedelta(seconds=30):
+    while upper - lower > timedelta(seconds=1):
         middle = lower + (upper - lower) / 2
         if time2altitude(middle) > altitude:
             lower = middle
         else:
             upper = middle
-        # print(upper, lower)
 
     return lower + (upper - lower) / 2
 
diff --git a/import.py b/import.py
index 1730c73..b8d85c3 100644
--- a/import.py
+++ b/import.py
@@ -18,8 +18,7 @@ with open("sonnenuntergang.txt") as f:
 angles = []
 
 for line in lines:
-    if "#" in line:
-        print("skipped")
+    if "#" in line or not line:
         continue
     parsetime = tz.localize(datetime.strptime("2018 " + line, "%Y %d.%m %H:%M"))
     print(parsetime.isoformat())
diff --git a/main.py b/main.py
index a857ec2..638cf0a 100644
--- a/main.py
+++ b/main.py
@@ -1,17 +1,26 @@
 import time
-from datetime import datetime, date
+from datetime import timedelta, datetime
 
 import schedule
+import telegram
 
 import guess
-from sendmail import sendmail
+from config import telegram_token, telegram_chat_id
 
 
-def send_notification(time, future=False):
-    subject = "☀️ at {time}".format(time=time)
+def timedelta_to_string(delta: timedelta):
+    minutes, seconds = divmod(delta.seconds, 60)
+    return ":".join(map(str, [minutes, seconds]))
+
+
+def send_notification(time, accuracy, future=False):
+    subject = "☀️ at {time} (±{acc})".format(time=time.strftime("%H:%M:%S"), acc=timedelta_to_string(accuracy))
     if future:
-        subject += " - {min} minutes left".format(min=future)
-    sendmail(subject, subject)
+        subject += " - 10 minutes left"
+    bot = telegram.Bot(token=telegram_token)
+
+    bot.sendMessage(chat_id=telegram_chat_id, text=subject)
+    # sendmail(subject, subject)
     return schedule.CancelJob
 
 
@@ -22,23 +31,24 @@ def create_schedule():
         standard_derivation = float(lines[1].strip())
     print(altitude, standard_derivation)
 
-    sunset_time = guess.get_time(altitude).time()
-    print(sunset_time)
+    sunset = guess.get_time(altitude)
+    accuracy = guess.get_time(altitude - standard_derivation) - sunset
+    print(accuracy)
+    print(sunset)
     s = schedule.every().day
-    s.at_time = sunset_time
-    s.do(send_notification, sunset_time)
+    s.at_time = sunset.time()
+    s.do(send_notification, sunset, accuracy)
 
-    prewarn_time = guess.get_time(altitude + standard_derivation * 3).time()
-    print(prewarn_time)
-    s = schedule.every().day
-    s.at_time = prewarn_time
-    diff = datetime.combine(date.today(), sunset_time) - datetime.combine(date.today(), prewarn_time)
-    s.do(send_notification, sunset_time, future=diff)
+    p = schedule.every().day
+    p.at_time = (sunset - timedelta(minutes=10)).time()
+    p.do(send_notification, sunset, accuracy, True)
 
 
 create_schedule()
 
 schedule.every().day.at("12:00").do(create_schedule)
+if datetime.now().hour > 12:
+    create_schedule()
 
 while True:
     schedule.run_pending()
diff --git a/requirements.txt b/requirements.txt
index 97c72a5..f780168 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,13 @@
-astropy==3.0.2
-numpy==1.14.3
-pytz==2018.4
-schedule==0.5.0
+asn1crypto==0.24.0
+astropy==3.1.2
+certifi==2019.3.9
+cffi==1.12.3
+cryptography==2.6.1
+future==0.17.1
+numpy==1.16.3
+pycparser==2.19
+python-telegram-bot==12.0.0b1
+pytz==2019.1
+schedule==0.6.0
+six==1.12.0
+tornado==6.0.2
diff --git a/sendmail.py b/sendmail.py
deleted file mode 100644
index 898b138..0000000
--- a/sendmail.py
+++ /dev/null
@@ -1,15 +0,0 @@
-import smtplib
-from email.mime.text import MIMEText
-
-from config import by, to
-
-
-def sendmail(subject, text):
-    msg = MIMEText(text)
-
-    msg['Subject'] = subject
-    msg['From'] = by
-    msg['To'] = to
-
-    s = smtplib.SMTP('localhost')
-    s.sendmail(by, [to], msg.as_string())