| author | Tero Marttila <terom@fixme.fi> |
| Sat, 07 Sep 2013 16:15:34 +0300 | |
| changeset 86 | 656c8ff72f77 |
| parent 84 | e5d8e17f307f |
| child 87 | 88d9c9974d6a |
| permissions | -rw-r--r-- |
|
80
3aaac91a6654
move URLItem lookup to models URLItem.search()
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
1 |
import calendar # timegm |
|
3aaac91a6654
move URLItem lookup to models URLItem.search()
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
2 |
import logging |
|
3aaac91a6654
move URLItem lookup to models URLItem.search()
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
3 |
|
| 2 | 4 |
from django.http import HttpResponse, HttpResponseRedirect, Http404 |
| 12 | 5 |
from django.shortcuts import render |
|
72
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
6 |
from django.utils import timezone, http |
| 2 | 7 |
|
8 |
from qrurls.models import URL, URLItem |
|
9 |
||
|
80
3aaac91a6654
move URLItem lookup to models URLItem.search()
Tero Marttila <terom@fixme.fi>
parents:
79
diff
changeset
|
10 |
log = logging.getLogger('qrurls.views')
|
|
72
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
11 |
|
| 54 | 12 |
""" |
13 |
Public frontend UI. |
|
14 |
""" |
|
15 |
||
|
72
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
16 |
def http_datetime (dt) : |
|
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
17 |
return http.http_date(calendar.timegm(dt.utctimetuple())) |
|
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
18 |
|
| 12 | 19 |
def index (request) : |
20 |
urls = URL.objects.all() |
|
21 |
return render(request, 'qrurls/index.html', dict( |
|
22 |
urls = urls, |
|
23 |
)) |
|
24 |
||
|
81
3a2fdc820c41
drop separate shorturl_id= lookup key, match shorturl.isdigit()
Tero Marttila <terom@fixme.fi>
parents:
80
diff
changeset
|
25 |
def shorturl (request, shorturl=None) : |
|
70
e8a8d490df2f
optimize shorturl() to use a single SELECT JOIN query
Tero Marttila <terom@fixme.fi>
parents:
54
diff
changeset
|
26 |
""" |
|
e8a8d490df2f
optimize shorturl() to use a single SELECT JOIN query
Tero Marttila <terom@fixme.fi>
parents:
54
diff
changeset
|
27 |
Primary frontend for redirecting based on current time. |
|
e8a8d490df2f
optimize shorturl() to use a single SELECT JOIN query
Tero Marttila <terom@fixme.fi>
parents:
54
diff
changeset
|
28 |
""" |
| 76 | 29 |
|
|
82
6442e5c97b48
move cache to models URLItem.get_url(), fix image view
Tero Marttila <terom@fixme.fi>
parents:
81
diff
changeset
|
30 |
try: |
|
6442e5c97b48
move cache to models URLItem.get_url(), fix image view
Tero Marttila <terom@fixme.fi>
parents:
81
diff
changeset
|
31 |
url, modified = URLItem.get_url(shorturl) |
|
6442e5c97b48
move cache to models URLItem.get_url(), fix image view
Tero Marttila <terom@fixme.fi>
parents:
81
diff
changeset
|
32 |
except URLItem.DoesNotExist: |
|
6442e5c97b48
move cache to models URLItem.get_url(), fix image view
Tero Marttila <terom@fixme.fi>
parents:
81
diff
changeset
|
33 |
raise Http404() |
|
33
b714115da724
use seprate frontend view for url_images in url_items
Tero Marttila <terom@fixme.fi>
parents:
19
diff
changeset
|
34 |
|
| 40 | 35 |
# redirect, either directly, or to image() |
|
73
66b572c06b0a
caching for shorturl redirect
Tero Marttila <terom@fixme.fi>
parents:
72
diff
changeset
|
36 |
response = HttpResponseRedirect(url) |
|
74
b8f1ae4247ad
override views to drop Vary header, as we don't care about the session
Tero Marttila <terom@fixme.fi>
parents:
73
diff
changeset
|
37 |
response['Vary'] = '' |
|
73
66b572c06b0a
caching for shorturl redirect
Tero Marttila <terom@fixme.fi>
parents:
72
diff
changeset
|
38 |
response['Last-Modified'] = http_datetime(modified) |
|
72
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
39 |
return response |
| 2 | 40 |
|
| 76 | 41 |
def item (request, shorturl, item_id) : |
|
71
04f4f312d4ad
optimize item view to JOIN across models, using common _get_url_item for both views
Tero Marttila <terom@fixme.fi>
parents:
70
diff
changeset
|
42 |
""" |
|
04f4f312d4ad
optimize item view to JOIN across models, using common _get_url_item for both views
Tero Marttila <terom@fixme.fi>
parents:
70
diff
changeset
|
43 |
Frontend for a specific item. |
|
04f4f312d4ad
optimize item view to JOIN across models, using common _get_url_item for both views
Tero Marttila <terom@fixme.fi>
parents:
70
diff
changeset
|
44 |
""" |
| 86 | 45 |
|
46 |
try: |
|
47 |
data = URLItem.get_item(shorturl, int(item_id)) |
|
|
82
6442e5c97b48
move cache to models URLItem.get_url(), fix image view
Tero Marttila <terom@fixme.fi>
parents:
81
diff
changeset
|
48 |
except URLItem.DoesNotExist: |
|
6442e5c97b48
move cache to models URLItem.get_url(), fix image view
Tero Marttila <terom@fixme.fi>
parents:
81
diff
changeset
|
49 |
raise Http404() |
|
71
04f4f312d4ad
optimize item view to JOIN across models, using common _get_url_item for both views
Tero Marttila <terom@fixme.fi>
parents:
70
diff
changeset
|
50 |
|
| 86 | 51 |
if data['url'] : |
52 |
response = HttpResponseRedirect(data['url']) |
|
53 |
elif data['image'] : |
|
54 |
response = render(request, 'qrurls/image.html', data) |
|
| 40 | 55 |
else : |
|
33
b714115da724
use seprate frontend view for url_images in url_items
Tero Marttila <terom@fixme.fi>
parents:
19
diff
changeset
|
56 |
raise Http404() |
|
72
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
57 |
|
|
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
58 |
# set cache |
|
74
b8f1ae4247ad
override views to drop Vary header, as we don't care about the session
Tero Marttila <terom@fixme.fi>
parents:
73
diff
changeset
|
59 |
response['Vary'] = '' |
| 86 | 60 |
response['Last-Modified'] = data['last_modified'] |
|
72
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
61 |
return response |
|
ea7a5a5ce7d4
add Last-Modified to urlitem responses (redirect and html)
Tero Marttila <terom@fixme.fi>
parents:
71
diff
changeset
|
62 |