Purge CDN caches for modified files

I'm pretty sure it used to happend automatically on files sync before,
but apparently it's no longer the case.

Fixes #18

Signed-off-by: Michal Čihař <michal@cihar.com>

files/management/commands/import_files.py

@@ -29,6 +29,7 @@
 from bs4 import BeautifulSoup
 from files.utils import read_sum
 import codecs
+from pmaweb.cdn import purge_files_cdn
 
 
 def glob_downloads(prefix=''):
@@ -131,6 +132,8 @@ def process_snapshots(self, path):
                 prefix='phpMyAdmin-' + version,
                 force=True,
             )
+            if modified:
+                purge_files_cdn([d.__unicode__() for d in release.download_set.all()])
 
     def handle(self, *args, **options):
         self.process_releases(os.path.join(settings.FILES_PATH, 'phpMyAdmin'))

pmaweb/cdn.py

@@ -55,6 +55,20 @@ def purge_cdn(*pages):
     return perform(URL, data)
 
 
+def purge_files_cdn(*pages):
+    """Purges page on CDN"""
+    if not settings.CDN_PASSWORD:
+        return
+    data = [
+        ('login', settings.CDN_LOGIN),
+        ('passwd', settings.CDN_PASSWORD),
+        ('cdn_id', settings.FILES_CDN_ID),
+    ]
+    for page in pages:
+        data.append(('url[]', page))
+    return perform(URL, data)
+
+
 def purge_all_cdn():
     """Purges all pages on CDN"""
     if not settings.CDN_PASSWORD:

pmaweb/settings.py

@@ -167,6 +167,7 @@
 CDN_LOGIN = 'admins@phpmyadmin.net'
 CDN_PASSWORD = ''
 CDN_ID = '41205'
+FILES_CDN_ID = '40483'
 
 DOCKERHUB_TOKEN = None