def post_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
post = instance
if created:
# The user sending the notifications.
author = instance.author
# Get all subscriptions for the post.
subs = Subscription.objects.get_subs(post).exclude(user=author)
# Generate the message from the template.
content = html.render(name=POST_CREATED_HTML_TEMPLATE, post=post, user=author)
# Generate the email message body.
site = Site.objects.get_current()
email_text = html.render(name=POST_CREATED_TEXT_TEMPLATE, post=post, user=author, site=site)
# Create the message body.
body = MessageBody.objects.create(author=author, subject=post.title,
text=content, sent_at=post.creation_date)
# Collects the emails for bulk sending.
emails = []
# This generator will produce the messages.
def messages():
for sub in subs:
message = Message(user=sub.user, body=body, sent_at=body.sent_at)
# collect to a bulk email if the subscription is by email:
if sub.type == EMAIL_MESSAGE:
emails.append(
(body.subject, email_text, settings.DEFAULT_FROM_EMAIL, [sub.user.email])
)
yield message
# Generate an email to everyone that has a profile with all messages
users = User.objects.filter(profile__message_prefs=ALL_MESSAGES)
for user in users:
emails.append(
(body.subject, email_text, settings.DEFAULT_FROM_EMAIL, [user.email])
)
# Bulk insert of all messages. Bypasses the Django ORM!
Message.objects.bulk_create(messages(), batch_size=100)
try:
# Bulk sending email messages.
results = mail.send_mass_mail(emails)
except Exception, exc:
logger.error("email error %s" % exc)
def award_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
award = instance
if created:
# The user sending the notifications.
user = award.user
# Generate the message from the template.
content = html.render(name=AWARD_CREATED_HTML_TEMPLATE, award=award, user=user)
subject = "Congratulations: you won %s" % award.badge.name
# Create the message body.
body = MessageBody.objects.create(author=user, subject=subject, text=content)
message = Message.objects.create(user=user, body=body, sent_at=body.sent_at)
def award_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
award = instance
if created:
# The user sending the notifications.
user = award.user
# Generate the message from the template.
content = html.render(name=AWARD_CREATED_HTML_TEMPLATE, award=award, user=user)
subject = "Congratulations: you won %s" % award.badge.name
# Create the message body.
body = MessageBody.objects.create(author=user, subject=subject, text=content)
message = Message.objects.create(user=user, body=body, sent_at=body.sent_at)
def user_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
from biostar.apps.messages.models import Message, MessageBody
from biostar.apps.util import html
from biostar.const import now
user = instance
if created:
# Create a welcome message to a user
# We do this so that tests pass, there is no admin user there
authors = User.objects.filter(is_admin=True) or [user]
author = authors[0]
title = "Welcome!"
content = html.render(name=NEW_USER_WELCOME_TEMPLATE, user=user)
body = MessageBody.objects.create(author=author, subject=title, text=content, sent_at=now())
message = Message(user=user, body=body, sent_at=body.sent_at)
message.save()
def user_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
from biostar.apps.messages.models import Message, MessageBody
from biostar.apps.util import html
from biostar.const import now
user = instance
if created:
# Create a welcome message to a user
# We do this so that tests pass, there is no admin user there
authors = User.objects.filter(is_admin=True) or [ user ]
author = authors[0]
title = "Welcome!"
content = html.render(name=NEW_USER_WELCOME_TEMPLATE, user=user)
body = MessageBody.objects.create(author=author, subject=title,
text=content, sent_at=now())
message = Message(user=user, body=body, sent_at=body.sent_at)
message.save()
def post(self, request=None, *args, **kwargs):
if not request.user.is_authenticated:
return HttpResponseForbidden()
form = self.form_class(request.POST, user=request.user)
if form.is_valid():
f = form.cleaned_data
consumption = ManualEnergyConsumption(concept=f['concept'],
consumption=f['consumption'],
user=request.user)
consumption.save()
messages.success(request, "Reading added successfully")
#return HttpResponseRedirect(self.get_success_url())
#print request.META.HTTP_REFERER
#return HttpResponseRedirect(self.success_url)
return HttpResponseRedirect(
request.META.get('HTTP_REFERER', self.success_url))
# There is an error in the form.
return render(request, self.template_name, {'form': form})
def post_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
from biostar.apps.users.models import User
post = instance
if created:
# The user sending the notifications.
author = instance.author
# Insert email subscriptions to users that watch these posts
if post.is_toplevel:
cond1 = Q(profile__message_prefs=ALL_MESSAGES)
cond2 = Q(profile__tags__name__in=post.parse_tags())
cond = cond1 | cond2
for watcher in User.objects.filter(cond).exclude(id=author.id):
sub, flag = Subscription.objects.get_or_create(post=post, user=watcher, type=EMAIL_MESSAGE)
# Get all subscriptions for the post.
subs = Subscription.objects.get_subs(post)
# Generate the message from the template.
content = html.render(name=POST_CREATED_SHORT, post=post, user=author)
# Generate the email message body.
site = Site.objects.get_current()
email_text = html.render(name=POST_CREATED_TEXT, post=post, user=author, site=site)
# Generate the html message
email_html = html.render(name=POST_CREATED_HTML, post=post, user=author, site=site)
# Create the message body.
body = MessageBody.objects.create(author=author, subject=post.title,
text=content, sent_at=post.creation_date)
# Collects the emails for bulk sending.
emails, tokens = [], []
# This generator will produce the messages.
def messages():
for sub in subs:
message = Message(user=sub.user, body=body, sent_at=body.sent_at)
# collect to a bulk email if the subscription is by email:
if sub.type == EMAIL_MESSAGE or sub.type == ALL_MESSAGES:
try:
token = ReplyToken(user=sub.user, post=post, token=make_uuid(8), date=now())
from_email = settings.EMAIL_FROM_PATTERN % (author.name, settings.DEFAULT_FROM_EMAIL)
from_email = from_email.encode("utf-8")
reply_to = settings.EMAIL_REPLY_PATTERN % token.token
subject = settings.EMAIL_REPLY_SUBJECT % body.subject
# create the email message
email = mail.EmailMultiAlternatives(
subject=subject,
body=email_text,
from_email=from_email,
to=[sub.user.email],
headers={'Reply-To': reply_to},
)
email.attach_alternative(email_html, "text/html")
emails.append(email)
tokens.append(token)
except Exception, exc:
# This here can crash the post submission hence the catchall
logger.error(exc)
yield message
# Bulk insert of all messages. Bypasses the Django ORM!
Message.objects.bulk_create(messages(), batch_size=100)
ReplyToken.objects.bulk_create(tokens, batch_size=100)
try:
# Bulk sending email messages.
conn = mail.get_connection()
conn.send_messages(emails)
except Exception, exc:
logger.error("email error %s" % exc)
def post(self, request, *args, **kwargs):
user = request.user
post = self.get_obj()
post = post_permissions(request, post)
# The default return url
response = HttpResponseRedirect(post.root.get_absolute_url())
if not post.is_editable:
messages.warning(request, "You may not moderate this post")
return response
# Initialize the form class.
form = self.form_class(request.POST, pk=post.id)
# Bail out on errors.
if not form.is_valid():
messages.error(request, "%s" % form.errors)
return response
# A shortcut to the clean form data.
get = form.cleaned_data.get
# These will be used in updates, will bypasses signals.
query = Post.objects.filter(pk=post.id)
root = Post.objects.filter(pk=post.root_id)
action = get('action')
if action == (OPEN, TOGGLE_ACCEPT) and not user.is_moderator:
messages.error(request, "Only a moderator may open or toggle a post")
return response
if action == TOGGLE_ACCEPT and post.type == Post.ANSWER:
# Toggle post acceptance.
post.has_accepted=not post.has_accepted
post.save()
has_accepted = Post.objects.filter(root=post.root, type=Post.ANSWER, has_accepted=True).count()
root.update(has_accepted=has_accepted)
return response
if action == MOVE_TO_ANSWER and post.type == Post.COMMENT:
# This is a valid action only for comments.
messages.success(request, "Moved post to answer")
query.update(type=Post.ANSWER, parent=post.root)
root.update(reply_count=F("reply_count") + 1)
return response
if action == MOVE_TO_COMMENT and post.type == Post.ANSWER:
# This is a valid action only for answers.
messages.success(request, "Moved post to answer")
query.update(type=Post.COMMENT, parent=post.root)
root.update(reply_count=F("reply_count") - 1)
return response
# Some actions are valid on top level posts only.
if action in (CLOSE_OFFTOPIC, DUPLICATE) and not post.is_toplevel:
messages.warning(request, "You can only close or open a top level post")
return response
if action == OPEN:
query.update(status=Post.OPEN)
messages.success(request, "Opened post: %s" % post.title)
return response
if action in CLOSE_OFFTOPIC:
query.update(status=Post.CLOSED)
messages.success(request, "Closed post: %s" % post.title)
content = html.render(name="messages/offtopic_posts.html", user=post.author, comment=get("comment"), post=post)
comment = Post(content=content, type=Post.COMMENT, parent=post, author=user)
comment.save()
return response
if action == CROSSPOST:
content = html.render(name="messages/crossposted.html", user=post.author, comment=get("comment"), post=post)
comment = Post(content=content, type=Post.COMMENT, parent=post, author=user)
comment.save()
return response
if action == DUPLICATE:
query.update(status=Post.CLOSED)
posts = Post.objects.filter(id__in=get("dupe"))
content = html.render(name="messages/duplicate_posts.html", user=post.author, comment=get("comment"), posts=posts)
comment = Post(content=content, type=Post.COMMENT, parent=post, author=user)
comment.save()
return response
if action == DELETE:
# Delete marks a post deleted but does not remove it.
# Remove means to delete the post from the database with no trace.
# Posts with children or older than some value can only be deleted not removed
# The children of a post.
children = Post.objects.filter(parent_id=post.id).exclude(pk=post.id)
# The condition where post can only be deleted.
delete_only = children or post.age_in_days > 7 or post.vote_count > 1 or (post.author != user)
if delete_only:
# Deleted posts can be undeleted by re-opening them.
query.update(status=Post.DELETED)
messages.success(request, "Deleted post: %s" % post.title)
response = HttpResponseRedirect(post.root.get_absolute_url())
else:
# This will remove the post. Redirect depends on the level of the post.
url = "/" if post.is_toplevel else post.parent.get_absolute_url()
post.delete()
messages.success(request, "Removed post: %s" % post.title)
response = HttpResponseRedirect(url)
# Recompute post reply count
post.update_reply_count()
return response
# By this time all actions should have been performed
messages.warning(request, "That seems to be an invalid action for that post. \
It is probably ok! Actions may be shown even when not valid.")
return response
def post_create_messages(sender, instance, created, *args, **kwargs):
"The actions to undertake when creating a new post"
from biostar.apps.users.models import User
post = instance
if created:
# The user sending the notifications.
author = instance.author
# Insert email subscriptions to users that watch these posts
if post.is_toplevel:
cond1 = Q(profile__message_prefs=ALL_MESSAGES)
cond2 = Q(profile__tags__name__in=post.parse_tags())
cond = cond1 | cond2
for watcher in User.objects.filter(cond).exclude(id=author.id):
sub, flag = Subscription.objects.get_or_create(
post=post, user=watcher, type=EMAIL_MESSAGE)
# Get all subscriptions for the post.
subs = Subscription.objects.get_subs(post)
# Generate the message from the template.
content = html.render(name=POST_CREATED_SHORT, post=post, user=author)
# Generate the email message body.
site = Site.objects.get_current()
tags = ", ".join(post.root.tag_val.split(","))
email_text = html.render(name=POST_CREATED_TEXT,
post=post,
user=author,
site=site,
tags=tags)
# Generate the html message
email_html = html.render(name=POST_CREATED_HTML,
post=post,
user=author,
site=site,
tags=tags)
# Create the message body.
body = MessageBody.objects.create(author=author,
subject=post.title,
text=content,
sent_at=post.creation_date)
# Collects the emails for bulk sending.
emails, tokens = [], []
# This generator will produce the messages.
def messages():
for sub in subs:
message = Message(user=sub.user,
body=body,
sent_at=body.sent_at)
# collect to a bulk email if the subscription is by email:
if sub.type == EMAIL_MESSAGE or sub.type == ALL_MESSAGES:
try:
token = ReplyToken(user=sub.user,
post=post,
token=make_uuid(8),
date=now())
from_email = settings.EMAIL_FROM_PATTERN % (
author.name, settings.DEFAULT_FROM_EMAIL)
from_email = from_email.encode("utf-8")
reply_to = settings.EMAIL_REPLY_PATTERN % token.token
subject = settings.EMAIL_REPLY_SUBJECT % body.subject
# create the email message
email = mail.EmailMultiAlternatives(
subject=subject,
body=email_text,
from_email=from_email,
to=[sub.user.email],
headers={'Reply-To': reply_to},
)
email.attach_alternative(email_html, "text/html")
emails.append(email)
tokens.append(token)
except Exception, exc:
# This here can crash the post submission hence the catchall
logger.error(exc)
yield message
# Bulk insert of all messages. Bypasses the Django ORM!
Message.objects.bulk_create(messages(), batch_size=100)
ReplyToken.objects.bulk_create(tokens, batch_size=100)
try:
# Bulk sending email messages.
conn = mail.get_connection()
conn.send_messages(emails)
except Exception, exc:
logger.error("email error %s" % exc)
def render_digest(days, text_tmpl, html_tmpl, send, options, limit=10, verbosity=1):
from_email = settings.DEFAULT_FROM_EMAIL
from biostar.apps.posts.models import Post
from biostar.apps.users.models import User
site = site = Site.objects.get_current()
start = (now() - timedelta(days=days))
# Posts created since the start date.
top_posts = Post.objects.filter(status=Post.OPEN, type__in=Post.TOP_LEVEL,
creation_date__gt=start).select_related('author')
top_posts = top_posts.order_by('-view_count')[:limit]
# Updated post created before the start date.
upd_posts = Post.objects.filter(status=Post.OPEN,
lastedit_date__gt=start)
upd_posts = upd_posts.exclude(creation_date__gt=start, type__in=Post.TOP_LEVEL).select_related("author")
upd_posts = upd_posts.order_by('-vote_count')[:limit]
# Blog posts created since the start date.
blogs = Post.objects.filter(status=Post.OPEN, type=Post.BLOG,
creation_date__gt=start).select_related('author')
blogs = blogs[:limit]
# Total post count
total_post_count = Post.objects.filter(status=Post.OPEN).count()
# Total user count
total_user_count = User.objects.filter().count()
hard_worker = User.objects.filter(post__status=Post.OPEN, post__lastedit_date__gt=start) \
.annotate(total=Count("post")).order_by('-total').select_related("profile")
hard_worker = hard_worker[:limit]
params = dict(
site=site,
top_posts=top_posts,
upd_posts=upd_posts,
blogs=blogs,
total_post_count=total_post_count,
total_user_count=total_user_count,
start=start.strftime("%b %d, %Y"),
hard_worker=hard_worker,
days=days,
)
text_body = html_body = ''
if text_tmpl:
text_body = html.render(text_tmpl, **params)
if html_tmpl:
html_body = html.render(html_tmpl, **params)
if verbosity > 0:
extras = dict(
digest_manage=reverse("digest_manage"),
digest_unsubscribe=reverse("digest_unsubscribe", kwargs=dict(uuid=1))
)
print text_body % extras
print html_body % extras
if send:
logger.info('sending emails')
emails = map(string.strip, open(send))
def chunks(data, size):
"Break into chunks of 100"
for i in xrange(0, len(data), size):
yield data[i:i+size]
for chunk in chunks(emails, 100):
users = User.objects.filter(email__in=chunk).select_related('profile')
for user in users:
try:
extras = dict(
digest_manage=reverse("digest_manage"),
digest_unsubscribe=reverse("digest_unsubscribe", kwargs=dict(uuid=user.profile.uuid))
)
text_content = text_body % extras
html_content = html_body % extras
subject = options['subject']
msg = EmailMultiAlternatives(subject, text_content, from_email, [user.email])
msg.attach_alternative(html_content, "text/html")
msg.send()
time.sleep(0.3) # Throttle on Amazon.
except Exception, exc:
logger.error('error %s sending email to %s' % (exc, user.email))
