From 693e8f195d90e6fd2afa7f5201363d102a2fbd3a Mon Sep 17 00:00:00 2001
From: Keith Edmunds <kae@tiger-computing.co.uk>
Date: Sun, 18 Dec 2022 21:03:45 +0000
Subject: [PATCH] Notify when issue #147 occurs

---
 .envrc           |  5 +++++
 app/config.py    |  1 +
 app/helpers.py   | 29 +++++++++++++++++++++++++++++
 app/playlists.py |  5 ++++-
 4 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/.envrc b/.envrc
index af5d92a..2f1f1fc 100644
--- a/.envrc
+++ b/.envrc
@@ -1,4 +1,9 @@
 layout poetry
+export MAIL_PASSWORD="ewacyay5seu2qske"
+export MAIL_PORT=587
+export MAIL_SERVER="smtp.fastmail.com"
+export MAIL_USERNAME="kae@midnighthax.com"
+export MAIL_USE_TLS=True
 branch=$(git branch --show-current)
 if on_git_branch master; then
         export MM_ENV="PRODUCTION"
diff --git a/app/config.py b/app/config.py
index ac8d4e4..bdf2966 100644
--- a/app/config.py
+++ b/app/config.py
@@ -54,6 +54,7 @@ class Config(object):
     DEFAULT_IMPORT_DIRECTORY = "/home/kae/Nextcloud/tmp"
     DEFAULT_OUTPUT_DIRECTORY = "/home/kae/music/Singles"
     DISPLAY_SQL = False
+    ERRORS_FROM = ['noreply@midnighthax.com']
     ERRORS_TO = ['kae@midnighthax.com']
     FADE_STEPS = 20
     FADE_TIME = 3000
diff --git a/app/helpers.py b/app/helpers.py
index b59a4db..7d5cf79 100644
--- a/app/helpers.py
+++ b/app/helpers.py
@@ -1,8 +1,11 @@
 import os
 import psutil
 import shutil
+import smtplib
+import ssl
 import tempfile
 
+from email.message import EmailMessage
 from mutagen.flac import FLAC               # type: ignore
 from mutagen.mp3 import MP3                 # type: ignore
 from pydub import effects
@@ -159,6 +162,32 @@ def leading_silence(
     return min(trim_ms, len(audio_segment))
 
 
+def send_mail(to_addr, from_addr, subj, body):
+    # From https://docs.python.org/3/library/email.examples.html
+
+    # Create a text/plain message
+    msg = EmailMessage()
+    msg.set_content(body)
+
+    msg['Subject'] = subj
+    msg['From'] = from_addr
+    msg['To'] = to_addr
+
+    # Send the message via SMTP server.
+    context = ssl.create_default_context()
+    try:
+        s = smtplib.SMTP(host=Config.MAIL_SERVER, port=Config.MAIL_PORT)
+        if Config.MAIL_USE_TLS:
+            s.starttls(context=context)
+        if Config.MAIL_USERNAME and Config.MAIL_PASSWORD:
+            s.login(Config.MAIL_USERNAME, Config.MAIL_PASSWORD)
+        s.send_message(msg)
+    except Exception as e:
+        print(e)
+    finally:
+        s.quit()
+
+
 def ms_to_mmss(ms: int, decimals: int = 0, negative: bool = False) -> str:
     """Convert milliseconds to mm:ss"""
 
diff --git a/app/playlists.py b/app/playlists.py
index c516472..fc719d9 100644
--- a/app/playlists.py
+++ b/app/playlists.py
@@ -45,6 +45,7 @@ from helpers import (
     get_relative_date,
     ms_to_mmss,
     open_in_audacity,
+    send_mail,
     set_track_metadata,
 )
 from log import log
@@ -1954,7 +1955,9 @@ class PlaylistTab(QTableWidget):
         try:
             self.item(playlist_row.row_number, column).setText(new_text)
         except AttributeError:
-            pass
+            msg = f"Issue 147 occurred. {playlist_row=}, {additional_text=}"
+            helpers.send_mail(Config.ERRORS_TO, Confit.ERRORS_FROM,
+                              "Issue #147 from musicmuster", msg)
 
     def _update_row(self, session, row: int, track: Tracks) -> None:
         """