Send email when marked absent from house meeting

conditional/blueprints/attendance.py

@@ -1,4 +1,5 @@
 from datetime import datetime
+from threading import Thread
 
 import structlog
 from flask import Blueprint, jsonify, redirect, request
@@ -22,6 +23,7 @@
 from conditional.util.ldap import ldap_get_member
 from conditional.util.ldap import ldap_is_eboard
 from conditional.util.ldap import ldap_is_eval_director
+from conditional.util.email import send_absent_hm_attendance_emails, send_present_hm_attendance_email
 
 logger = structlog.get_logger()
 
@@ -261,7 +263,9 @@ def submit_house_attendance(user_dict=None):
     db.session.flush()
     db.session.refresh(meeting)
 
+    # logs whether a user was marked absent or present for attendance and sends an email to anyone marked absent
     if "members" in post_data:
+        absent_members = []
         for m in post_data['members']:
             log.info('Marked {} {} for House Meeting on {}'.format(
                 m['uid'],
@@ -272,6 +276,10 @@ def submit_house_attendance(user_dict=None):
                 meeting.id,
                 None,
                 m['status']))
+            if m['status'] == 'Absent':
+                absent_members.append(m['uid'])
+        thread = Thread(target=send_absent_hm_attendance_emails, name="HM Emails", args=(absent_members,))
+        thread.start()
 
     if "freshmen" in post_data:
         for f in post_data['freshmen']:
@@ -304,6 +312,8 @@ def alter_house_attendance(uid, hid, user_dict=None):
             MemberHouseMeetingAttendance.uid == uid,
             MemberHouseMeetingAttendance.meeting_id == hid
         ).first()
+        thread = Thread(target=send_present_hm_attendance_email, name="HM Emails", args=(uid,))
+        thread.start()
         member_meeting.attendance_status = "Attended"
         db.session.commit()
         return jsonify({"success": True}), 200

conditional/util/email.py

@@ -0,0 +1,43 @@
+import smtplib
+from email.mime.text import MIMEText
+from email.utils import formatdate
+from email.mime.multipart import MIMEMultipart
+from datetime import date
+from conditional import app
+
+def send_absent_hm_attendance_emails(absent_members):
+    today_date = date.today().strftime("%m/%d")
+    subject = "You were marked as absent for the {} House Meeting.".format(today_date)
+    body = subject + "\n\nIf this is a mistake please message the evaluations director and let them know."
+    # doing this uses the same connection for all emails sent to absent members
+    send_email(absent_members, subject, body)
+
+def send_present_hm_attendance_email(member):
+    today_date = date.today().strftime("%m/%d")
+    subject = "You were marked as present for the {} House Meeting.".format(today_date)
+    body = subject
+    send_email([member], subject, body)
+
+def send_email(members, subject, body):
+    """A function capable of sending one or many emails"""
+    debug_email = app.config['DEBUG_EMAIL']
+
+    if app.config['SEND_EMAIL']:
+        recipents = map("{}@csh.rit.edu".format, members)
+        conn = smtplib.SMTP(app.config['MAIL_SERVER'])
+        conn.starttls()
+        conn.login('conditional', app.config['EMAIL_PASSWORD'])
+        sender_addr = "[email protected]"
+        for member in recipents:
+            msg = MIMEMultipart()
+            if debug_email:
+                recipient_addr = debug_email
+            else:
+                recipient_addr = "{}@csh.rit.edu".format(member)
+            msg["To"] = recipient_addr
+            msg["From"] = sender_addr
+            msg["Subject"] = subject
+            msg["Date"] = formatdate(localtime=True)
+            msg.attach(MIMEText(body, 'plain'))
+            conn.sendmail(sender_addr, recipient_addr, msg.as_string())
+        conn.quit()

config.env.py

@@ -47,3 +47,9 @@
 
 # General config
 DUES_PER_SEMESTER = env.get("CONDITIONAL_DUES_PER_SEMESTER", 80)
+
+# Email
+SEND_EMAIL = env.get("CONDITIONAL_SEND_EMAIL", False) # When false, requests to send emails are ignored
+MAIL_SERVER = env.get("CONDITIONAL_MAIL_SERVER", "thoth.csh.rit.edu")
+DEBUG_EMAIL = env.get("CONDITIONAL_DEBUG_EMAIL", "") # when set all email is sent to the specified email
+EMAIL_PASSWORD = env.get("CONDITIONAL_MAIL_PASSWORD", "")