1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
from django.conf import settings
from django.template import Context
from django.template.loader import render_to_string
from django.contrib.sites.models import Site
class BaseBackend(object):
"""
The base backend.
"""
def __init__(self, medium_id, spam_sensitivity=None):
self.medium_id = medium_id
if spam_sensitivity is not None:
self.spam_sensitivity = spam_sensitivity
def can_send(self, user, notice_type):
"""
Determines whether this backend is allowed to send a notification to
the given user and notice_type.
"""
from notification.models import NoticeSetting
return NoticeSetting.for_user(user, notice_type, self.medium_id).send
def deliver(self, recipient, sender, notice_type, extra_context):
"""
Deliver a notification to the given recipient.
"""
raise NotImplementedError()
def get_formatted_messages(self, formats, label, context):
"""
Returns a dictionary with the format identifier as the key. The values are
are fully rendered templates with the given context.
"""
format_templates = {}
for fmt in formats:
# conditionally turn off autoescaping for .txt extensions in format
if fmt.endswith(".txt"):
context.autoescape = False
format_templates[fmt] = render_to_string((
"notification/%s/%s" % (label, fmt),
"notification/%s" % fmt), context_instance=context)
return format_templates
def default_context(self):
default_http_protocol = getattr(settings, "DEFAULT_HTTP_PROTOCOL", "http")
current_site = Site.objects.get_current()
base_url = "%s://%s" % (default_http_protocol, current_site.domain)
return Context({
"default_http_protocol": default_http_protocol,
"current_site": current_site,
"base_url": base_url
})
|
