diff options
Diffstat (limited to 'workshop_app/send_mails.py')
| -rw-r--r-- | workshop_app/send_mails.py | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/workshop_app/send_mails.py b/workshop_app/send_mails.py new file mode 100644 index 0000000..a8ada76 --- /dev/null +++ b/workshop_app/send_mails.py @@ -0,0 +1,334 @@ +__author__ = "Akshen Doke" + +from django.core.mail import send_mail +from textwrap import dedent +from random import randint +import hashlib +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 workshop_portal.settings import ( + EMAIL_HOST, + EMAIL_PORT, + EMAIL_HOST_USER, + EMAIL_HOST_PASSWORD, + EMAIL_USE_TLS, + PRODUCTION_URL + ) + +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 + ''' + + from smtplib import SMTP + from email.mime.multipart import MIMEMultipart + from email.mime.text import MIMEText + from email.mime.base import MIMEBase + from email import encoders + + 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: + print(path.join(settings.MEDIA_ROOT,f)) + 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, + workshop_title=None, user_name=None, + other_email=None, phone_number=None, + institute=None, key=None + ): + ''' + Email sending function while registration and + booking confirmation. + ''' + + if call_on == "Registration": + if user_position == "instructor": + message = dedent("""\ + Your request as an Instructor at FOSSEE, IIT Bombay + has been received. Please click on the below link to + activate your account + {0}/activate_user/{1} + + You will be notified via email on + approval of your instructor account + within 3 working days. + + In case of queries regarding the same revert to this + email.""".format(PRODUCTION_URL, key)) + + try: + send_mail( + "Instructor Registration - FOSSEE, IIT Bombay", message, + EMAIL_HOST_USER, [request.user.email], fail_silently=False + ) + except Exception: + send_smtp_email(request=request, + subject="Instructor Registration - FOSSEE, IIT Bombay", + message=message, other_email=request.user.email, + ) + + + #Send a mail to admin as well. + message = dedent("""\ + A new instructor request has been received. + + Instructor name: {0} + Instructor email: {1} + + Please verify the profile and mail the user within 2 + working days.""".format(request.user, request.user.email)) + + try: + send_mail("New Instructor Registration - FOSSEE, IIT Bombay", + message, EMAIL_HOST_USER, ['workshops@fossee.in'], + fail_silently=False) + except Exception: + send_smtp_email(request=request, + subject="Instructor Registration - FOSSEE, IIT Bombay", + message=message, other_email='workshops@fossee.in', + ) + + else: + message = dedent("""\ + Thank you for registering as a coordinator with us. + + Your request as a coordinator has been accepted. + Please click on the below link to + activate your account + {0}/activate_user/{1} + + After activation you can proceed to book your dates for + the workshop(s). + + In case of queries regarding workshop booking(s), + revert to this email.""".format(PRODUCTION_URL, key)) + + try: + send_mail( + "Coordinator Registration at FOSSEE, IIT Bombay", message, EMAIL_HOST_USER, + [request.user.email], fail_silently=False + ) + except Exception: + send_smtp_email(request=request, + subject="Coordinator 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 + workshop.fossee.in .""".format( + user_name, request.user.email, + request.user.profile.phone_number, + request.user.profile.institute, + workshop_date, workshop_title + )) + + try: + send_mail( + "New FOSSEE Workshop booking on {0}".format(workshop_date), + message, EMAIL_HOST_USER, [other_email], + fail_silently=False + ) + 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 your workshops.fossee.in + + In case of queries regarding workshop booking(s), revert + to this email.""".format( + workshop_date, workshop_title + )) + + try: + send_mail( + "Pending Request for New FOSSEE Workshop booking on {0}" + .format(workshop_date), message, EMAIL_HOST_USER, + [request.user.email], fail_silently=False + ) + 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. """.format(user_name, other_email, + phone_number, institute, workshop_date, workshop_title)) + + send_smtp_email(request=request, + subject="FOSSEE Workshop booking confirmation on {0}". + format(workshop_date), message=message, + other_email=request.user.email, attachment=1 + ) + 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 + )) + + send_smtp_email(request=request, + subject="FOSSEE Workshop booking confirmation on {0}". + format(workshop_date), message=message, + other_email=other_email, attachment=1 + ) + + 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:{4} + + You have rejected this booking. The coordinator has + been notified.""".format(user_name, other_email, + phone_number, institute, + workshop_date, workshop_title)) + + try: + send_mail("FOSSEE Workshop booking rejected for {0}" + .format(workshop_date), message, EMAIL_HOST_USER, + [request.user.email], fail_silently=False) + 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 workshops.fossee.in """ + .format(workshop_date, workshop_title)) + + try: + send_mail("FOSSEE Workshop booking rejected for {0}". + format(workshop_date), message, EMAIL_HOST_USER, + [other_email], fail_silently=False) + 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}""" + .format(workshop_date, workshop_title)) + try: + send_mail("FOSSEE workshop deleted for {0}".format(workshop_date), + message, EMAIL_HOST_USER, [request.user.email], + fail_silently=False) + except Exception: + send_smtp_email(request=request, + subject="FOSSEE Workshop deleted for {0}". + format(workshop_date), message=message, + other_email=request.user.email + ) + + else: + message = "Issue at Workshop Booking App please check" + try: + send_mail("Issue At Workshop Booking App Mailing", message, EMAIL_HOST_USER, + ['doke.akshen@gmail.com', 'mahesh.p.gudi@gmail.com', 'aditya94palaparthy@gmail.com'], fail_silently=False) + except Exception: + send_smtp_email(request=request, + subject="Issue at Workshop Booking App please check", + message=message, other_email='doke.akshen@gmail.com' + ) |