ausglamr/blogs/management/commands/send_weekly_email.py

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"""send the weekly email"""
from datetime import timedelta
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import logging
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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)
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logging.info(
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f"Sending weekly emails to {len(subscribers)} subscribers at {timezone.now()}"
)
cutoff = timezone.now() - timedelta(days=7)
blogs = models.Blog.objects.filter(approved=True, updateddate__gte=cutoff)
articles = models.Article.objects.filter(pubdate__gte=cutoff)
events = models.Event.objects.filter(approved=True, pub_date__gte=cutoff)
cfps = models.CallForPapers.objects.filter(
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event__approved=True, closing_date__gte=timezone.now().date()
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)
newsletters = models.Newsletter.objects.filter(
approved=True, pub_date__gte=cutoff
)
groups = models.Group.objects.filter(approved=True, pub_date__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 Articles</h3>"
+ new_articles
+ "<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_blogs,
new_newsletters,
new_groups,
open_cfps,
coming_events,
]
body = "".join(sections)
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if body == "":
body = "<p>No new updates this week.</p><p>Why not spend the time you would have been reading, publishing your own blog post instead?</p>"
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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)
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logging.info(f"Weekly emails completed {timezone.now()}")