diff options
Diffstat (limited to 'website/send_mails.py')
| -rw-r--r-- | website/send_mails.py | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/website/send_mails.py b/website/send_mails.py new file mode 100644 index 0000000..3f83c78 --- /dev/null +++ b/website/send_mails.py @@ -0,0 +1,435 @@ +__author__ = "Akshen Doke" + +import hashlib +import logging +import logging.config +import yaml +import re +from django.core.mail import send_mail +from textwrap import dedent +from random import randint +from smtplib import SMTP +from django.utils.crypto import get_random_string +from string import punctuation, digits +try: + from string import letters +except ImportError: + from string import ascii_letters as letters +from nccps2018.config import ( + EMAIL_HOST, + EMAIL_PORT, + EMAIL_HOST_USER, + EMAIL_HOST_PASSWORD, + EMAIL_USE_TLS, + PRODUCTION_URL, + SENDER_EMAIL, + ADMIN_EMAIL +) +from django.core.mail import EmailMultiAlternatives +from django.conf import settings +from os import listdir, path +from email.mime.multipart import MIMEMultipart +from email.mime.text import MIMEText +from email.mime.base import MIMEBase +from email import encoders +from time import sleep +from nccps2018.settings import LOG_FOLDER + + +def validateEmail(email): + if len(email) > 7: + if re.match("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$", + email) != None: + return 1 + return 0 + + +def generate_activation_key(username): + """Generates hashed secret key for email activation""" + chars = letters + digits + punctuation + secret_key = get_random_string(randint(10, 40), chars) + return hashlib.sha256((secret_key + username).encode('utf-8')).hexdigest() + + +def send_smtp_email(request=None, subject=None, message=None, + user_position=None, workshop_date=None, + workshop_title=None, user_name=None, + other_email=None, phone_number=None, + institute=None, attachment=None): + ''' + Send email using SMTPLIB + ''' + + msg = MIMEMultipart() + msg['From'] = EMAIL_HOST_USER + msg['To'] = other_email + msg['Subject'] = subject + body = message + msg.attach(MIMEText(body, 'plain')) + + if attachment: + from django.conf import settings + from os import listdir, path + files = listdir(settings.MEDIA_ROOT) + for f in files: + attachment = open(path.join(settings.MEDIA_ROOT, f), 'rb') + part = MIMEBase('application', 'octet-stream') + part.set_payload((attachment).read()) + encoders.encode_base64(part) + part.add_header('Content-Disposition', + "attachment; filename= %s " % f) + msg.attach(part) + + server = SMTP(EMAIL_HOST, EMAIL_PORT) + server.ehlo() + server.starttls() + server.ehlo() + server.esmtp_features['auth'] = 'LOGIN DIGEST-MD5 PLAIN' + server.login(EMAIL_HOST_USER, EMAIL_HOST_PASSWORD) + text = msg.as_string() + server.sendmail(EMAIL_HOST_USER, other_email, text) + server.close() + + +def send_email(request, call_on, + user_position=None, workshop_date=None, + new_workshop_date=None, + workshop_title=None, user_name=None, + other_email=None, phone_number=None, + institute=None, key=None + ): + ''' + Email sending function while registration and + booking confirmation. + ''' + try: + with open(path.join(LOG_FOLDER, 'emailconfig.yaml'), 'r') as configfile: + config_dict = yaml.load(configfile) + logging.config.dictConfig(config_dict) + except: + print('File Not Found and Configuration Error') + print(LOG_FOLDER) + if call_on == "Registration": + message = dedent("""\ + Thank you for registering with us. + + Please click on the below link to + activate your account + {0}/activate_user/{1} + + After activation you can proceed to book your ticket for + the conference/ propose a paper. + + In case of queries regarding ticket booking and proposing a paper, + revert to this email.""".format(PRODUCTION_URL, key)) + + logging.info("New Registration from: %s", request.user.email) + try: + send_mail( + "NCCPS-2018 Registration at FOSSEE, IIT Bombay", message, SENDER_EMAIL, + [request.user.email], fail_silently=True + ) + + except Exception: + send_smtp_email(request=request, + subject="NCCPS-2018 Registration - FOSSEE, IIT Bombay", + message=message, other_email=request.user.email, + ) + + elif call_on == "Booking": + if user_position == "instructor": + message = dedent("""\ + Coordinator name:{0} + Coordinator email: {1} + Contact number:{2} + Institute:{3} + Workshop date:{4} + Workshop title:{5} + + You may accept or reject this booking + {6}/my_workshops/ .""".format( + user_name, request.user.email, + request.user.profile.phone_number, + request.user.profile.institute, + workshop_date, workshop_title, + PRODUCTION_URL + )) + + logging.info("Booking Done by{0} for {1} ".format(request.user.email, + other_email)) + try: + send_mail( + "New FOSSEE Workshop booking on {0}".format(workshop_date), + message, SENDER_EMAIL, [other_email], + fail_silently=True + ) + except Exception: + send_smtp_email(request=request, + subject="New FOSSEE Workshop booking on {0}" + .format(workshop_date), + message=message, other_email=other_email, + ) + else: + message = dedent("""\ + Thank You for New FOSSEE Workshop booking. + + Workshop date:{0} + Workshop title:{1} + + Your request has been received and is awaiting instructor + approval/disapproval. You will be notified about the status + via email and on {2}/my_workshops/ + + Please Note: Unless you get a confirmation email for this workshop with + the list of instructions, your workshop shall be in the waiting list. + + In case of queries regarding workshop booking(s), revert + to this email.""".format( + workshop_date, workshop_title, PRODUCTION_URL + )) + + try: + send_mail( + "Pending Request for New FOSSEE Workshop booking on {0}" + .format(workshop_date), message, SENDER_EMAIL, + [request.user.email], fail_silently=True + ) + except Exception: + send_smtp_email(request=request, + subject="Pending Request for New FOSSEE Workshop booking \ + on {0}".format(workshop_date), + message=message, other_email=request.user.email, + ) + + elif call_on == "Booking Confirmed": + if user_position == "instructor": + message = dedent("""\ + Coordinator name:{0} + Coordinator email: {1} + Contact number:{2} + Institute:{3} + Workshop date:{4} + Workshop title:{5} + + You have accepted this booking. Detailed instructions have + been sent to the coordinator. + + This is a auto-generated mail. + """.format(user_name, other_email, + phone_number, institute, workshop_date, workshop_title)) + + logging.info("Booking Confirmed by {0} for {1} ".format(request.user.email, + other_email)) + + subject = "FOSSEE Workshop booking confirmation on {0}".\ + format(workshop_date) + msg = EmailMultiAlternatives( + subject, message, SENDER_EMAIL, [request.user.email]) + attachment_paths = path.join( + settings.MEDIA_ROOT, workshop_title.replace(" ", "_")) + files = listdir(attachment_paths) + for f in files: + attachment = open(path.join(attachment_paths, f), 'rb') + part = MIMEBase('application', 'octet-stream') + part.set_payload((attachment).read()) + encoders.encode_base64(part) + part.add_header('Content-Disposition', + "attachment; filename= %s " % f) + msg.attach(part) + sleep(1) + msg.send() + + else: + message = dedent("""\ + Instructor name:{0} + Instructor email: {1} + Contact number:{2} + Workshop date:{3} + Workshop title:{4} + + Your workshop booking has been accepted. Detailed + instructions are attached below. + + In case of queries regarding the workshop + instructions/schedule revert to this email.""".format( + request.user.username, request.user.email, + phone_number, workshop_date, workshop_title + )) + + subject = "FOSSEE Workshop booking confirmation on {0}".\ + format(workshop_date) + msg = EmailMultiAlternatives( + subject, message, SENDER_EMAIL, [other_email]) + attachment_paths = path.join( + settings.MEDIA_ROOT, workshop_title.replace(" ", "_")) + files = listdir(attachment_paths) + for f in files: + attachment = open(path.join(attachment_paths, f), 'rb') + part = MIMEBase('application', 'octet-stream') + part.set_payload((attachment).read()) + encoders.encode_base64(part) + part.add_header('Content-Disposition', + "attachment; filename= %s " % f) + msg.attach(part) + msg.send() + + elif call_on == "Booking Request Rejected": + if user_position == "instructor": + message = dedent("""\ + Coordinator name: {0} + Coordinator email: {1} + Contact number: {2} + Institute: {3} + Workshop date: {4} + Workshop title: {5} + + You have rejected this booking. The coordinator has + been notified. + + This is a auto-generated mail. + """.format(user_name, other_email, + phone_number, institute, + workshop_date, workshop_title)) + + logging.info("Booking Rejected by {0} for {1} ".format(request.user.email, + other_email)) + + try: + send_mail("FOSSEE Workshop booking rejected for {0}" + .format(workshop_date), message, SENDER_EMAIL, + [request.user.email], fail_silently=True) + except Exception: + send_smtp_email(request=request, + subject="FOSSEE Workshop booking rejected for {0}". + format(workshop_date), message=message, + other_email=request.user.email + ) + else: + message = dedent("""\ + Workshop date:{0} + Workshop title:{1} + + We regret to inform you that your workshop booking + has been rejected due to unavailability of the + instructor. You may try booking other available + slots {2}/book/ or you can also Propose a workshop + based on your available date. + + This is a auto-generated mail. + """ + .format(workshop_date, workshop_title, PRODUCTION_URL)) + + try: + send_mail("FOSSEE Workshop booking rejected for {0}". + format(workshop_date), message, SENDER_EMAIL, + [other_email], fail_silently=True) + except Exception: + send_smtp_email(request=request, + subject="FOSSEE Workshop booking rejected for {0}". + format(workshop_date), message=message, + other_email=other_email + ) + + elif call_on == 'Workshop Deleted': + message = dedent("""\ + You have deleted a Workshop. + + Workshop date:{0} + Workshop title:{1} + + This is a auto-generated mail. + """ + .format(workshop_date, workshop_title)) + + logging.info("Workshop Deleted by {0} for {1} ".format(request.user.email, + workshop_date)) + try: + send_mail("FOSSEE workshop deleted for {0}".format(workshop_date), + message, SENDER_EMAIL, [request.user.email], + fail_silently=True) + except Exception: + send_smtp_email(request=request, + subject="FOSSEE Workshop deleted for {0}". + format(workshop_date), message=message, + other_email=request.user.email + ) + + elif call_on == 'Proposed Workshop': + if user_position == "instructor": + message = dedent("""\ + A coordinator has proposed a workshop. The details are + given below: + + Coordinator name: {0} + Coordinator email: {1} + Contact number: {2} + Institute: {3} + Workshop date: {4} + Workshop title: {5} + + Please Accept only if you are willing to take the workshop. + {6}/my_workshops/ + + This is a auto-generated mail. + """ + .format(user_name, request.user.email, + phone_number, institute, + workshop_date, workshop_title, + PRODUCTION_URL)) + + logging.info("Workshop Proposed by {0} for {1} ".format(request.user.email, + workshop_date)) + + send_mail("Proposed Workshop on {0}". + format(workshop_date), message, SENDER_EMAIL, + [other_email], fail_silently=False) + + elif call_on == 'Change Date': + if user_position == "instructor": + message = dedent("""\ + Dear Instructor, + + Your workshop date has been changed from {0} to {1}. + + This is a auto-generated mail. + """ + .format( + workshop_date, new_workshop_date)) + + logging.info("Workshop Date Changed Done by {0} from {1} to {2}" + .format(request.user.email, + new_workshop_date, workshop_date)) + try: + send_mail( + "FOSSEE Python Workshop Date Changed", + message, SENDER_EMAIL, [request.user.email], + fail_silently=True + ) + except Exception: + send_smtp_email(request=request, + subject="FOSSEE Python Workshop Date Changed", + message=message, other_email=other_email, + ) + else: + message = dedent("""\ + Dear Coordinator, + + Your workshop has been rescheduled from {0} to {1}. + + This is a auto-generated mail. + """ + .format( + workshop_date, new_workshop_date + )) + + try: + send_mail( + "FOSSEE Python Workshop Date Changed", + message, SENDER_EMAIL, + [other_email], fail_silently=True + ) + except Exception: + send_smtp_email(request=request, + subject="FOSSEE Python Workshop Date Changed", + message=message, other_email=request.user.email, + ) |