ausglamr/blogs/management/commands/send_weekly_email.py

243 lines
8.4 KiB
Python

"""send the weekly email"""
from datetime import timedelta
import logging
import random
from django.conf import settings
from django.utils import timezone
from django.core.management.base import BaseCommand
from blogs import models
from blogs.utilities import send_email
from blogs.models.utils import GroupType
class Command(BaseCommand):
"""the announce command"""
# we could add arguments but we don't really need any
def handle(self, *args, **options):
"""find subscribers and send an update"""
subscribers = models.Subscriber.objects.filter(confirmed=True)
logging.info(
f"Sending weekly emails to {len(subscribers)} subscribers at {timezone.now()}"
)
cutoff = timezone.now() - timedelta(days=7)
blogs = models.Blog.objects.filter(
approved=True, active=True, added__gte=cutoff
)
articles = models.Article.objects.filter(pubdate__gte=cutoff)
events = models.Event.objects.filter(approved=True, pubdate__gte=cutoff)
cfps = models.CallForPapers.objects.filter(
event__approved=True, closing_date__gte=timezone.now().date()
)
newsletters = models.Newsletter.objects.filter(
approved=True, pubdate__gte=cutoff
)
editions = models.Edition.objects.filter(pubdate__gte=cutoff)
groups = models.Group.objects.filter(approved=True, pubdate__gte=cutoff)
new_blogs = ""
for blog in blogs:
title_string = f"<h4><a href='{blog.url}'>{blog.title}</a></h4>"
author_string = (
f"<p><em>{blog.author_name}</em></p>" if blog.author_name else ""
)
description_string = (
f"<p style='margin-bottom:24px;'>{blog.description}</p>"
)
string_list = [title_string, author_string, description_string]
string = "".join(string_list)
new_blogs = new_blogs + string
if new_blogs != "":
new_blogs = (
"<h3 style='margin-top:20px;'>New Blogs</h3>" + new_blogs + "<hr/>"
)
new_articles = ""
for post in articles:
title_string = f"<h4><a href='{post.url}'>{post.title}</a></h4>"
author_string = (
f"<p><em>{post.author_name}</em></p>" if post.author_name else ""
)
description_string = (
f"<p style='margin-bottom:24px;'>{post.description}</p>"
)
string_list = [title_string, author_string, description_string]
string = "".join(string_list)
new_articles = new_articles + string
if new_articles != "":
new_articles = (
"<h3 style='margin-top:20px;'>New Blog Posts</h3>"
+ new_articles
+ "<hr/>"
)
new_editions = ""
for edition in editions:
title_string = f"<h4><a href='{edition.url}'>{edition.title}</a></h4>"
author_string = (
f"<p><em>{edition.author_name}</em></p>" if edition.author_name else ""
)
description_string = (
f"<p style='margin-bottom:24px;'>{edition.description}</p>"
)
string_list = [title_string, author_string, description_string]
string = "".join(string_list)
new_editions = new_editions + string
if new_editions != "":
new_editions = (
"<h3 style='margin-top:20px;'>New Newsletter Editions</h3>"
+ new_editions
+ "<hr/>"
)
coming_events = ""
for event in events:
s_date = event.start_date
title_string = f"<h4><a href='{event.url}'>{event.name}</a></h4>"
date_string = (
f"<p><em>{s_date:%a} {s_date.day} {s_date:%B} {s_date:%Y}</em></p>"
)
description_string = (
f"<p style='margin-bottom:24px;'>{event.description}</p>"
)
string_list = [title_string, date_string, description_string]
string = "".join(string_list)
coming_events = coming_events + string
if coming_events != "":
coming_events = (
"<h3 style='margin-top:20px;'>Upcoming Events</h3>"
+ coming_events
+ "<hr/>"
)
open_cfps = ""
for instance in cfps:
c_date = instance.closing_date
title_string = (
f"<h4><a href='{instance.event.url}'>{instance.name}</a></h4>"
)
dates_string = f"<p><strong>Closes:</strong><em>{c_date:%a} {c_date.day} {c_date:%B}</em></p>"
description_string = (
f"<p style='margin-bottom:24px;'>{instance.details}</p>"
)
string_list = [title_string, dates_string, description_string]
string = "".join(string_list)
open_cfps = open_cfps + string
if open_cfps != "":
open_cfps = (
"<h3 style='margin-top:20px;'>Open Calls</h3>" + open_cfps + "<hr/>"
)
new_newsletters = ""
for instance in newsletters:
title_string = f"<h4><a href='{instance.url}'>{instance.name}</a></h4>"
author_string = (
f"<p><em>{instance.author}</em></p>" if instance.author else ""
)
description_string = (
f"<p style='margin-bottom:24px;'>{instance.description}</p>"
)
string_list = [title_string, author_string, description_string]
string = "".join(string_list)
new_newsletters = new_newsletters + string
if new_newsletters != "":
new_newsletters = (
"<h3 style='margin-top:20px;'>New Newsletters</h3>"
+ new_newsletters
+ "<hr/>"
)
new_groups = ""
for instance in groups:
group_type = GroupType(instance.type).label
title_string = f"<h4><a href='{instance.url}'>{instance.name}</a></h4>"
register_string = f"<p><em><a href='{instance.registration_url}'>Register</a> to join this {group_type}</em></p>"
description_string = (
f"<p style='margin-bottom:24px;'>{instance.description}</p>"
)
string_list = [title_string, register_string, description_string]
string = "".join(string_list)
new_groups = new_groups + string
if new_groups != "":
new_groups = (
"<h3 style='margin-top:20px;'>New Groups</h3>" + new_groups + "<hr/>"
)
# Now let's put it all together...
dt = timezone.now()
choices = [
"🍓",
"🍒",
"🍎",
"🍊",
"🍍",
"🍋",
"🍉",
"🥝",
"🥦",
"🥒",
"🥕",
"🍏",
"🍅",
"🥬",
"🫐",
"🍐",
"🥗",
"☕️",
"🚚",
"📬",
"🍣",
]
emoji = random.choice(choices)
subject = f"{emoji} Fresh Aus GLAMR updates for the week of {dt.day} {dt:%B} {dt.year}"
sections = [
new_articles,
new_editions,
new_blogs,
new_newsletters,
new_groups,
open_cfps,
coming_events,
]
body = "".join(sections)
if body == "":
body = "<p>No new updates this week.</p><p>Why not spend some time publishing your own blog post instead?</p>"
for subscriber in subscribers:
opt_out = f"https://{settings.DOMAIN}/unsubscribe-email/{subscriber.token}/{subscriber.id}"
start = "<html><body>"
footer = f"<div style='padding: 20px; width: 100vw; background-color:#eee; margin-top: 100px;text-align:center;'><em><p>This email was sent to <strong>{subscriber.email}</strong> because you subscribed to email updates from <a href='https://{settings.DOMAIN}'>Aus GLAMR</a>.</p><p>You can <a href='{opt_out}'>unsubscribe</a> at any time.</p></em></div>"
end = "</body></html>"
parts = [start, body, footer, end]
message = "".join(parts)
send_email(subject, message, subscriber.email)
logging.info(f"Weekly emails completed {timezone.now()}")