extensions/models.py

@@ -773,36 +773,22 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
             permissions.append({'slug': slug, 'reason': reason, 'name': all_permission_names[slug]})
         return permissions
 
-    def _get_download_name(self, platform=None) -> str:
+    def _get_download_name(self, file) -> str:
         """Return a file name for downloads."""
         parts = [self.extension.type_slug_singular, self.extension.slug, f'v{self.version}']
-        if platform:
-            parts.append(platform)
+        if platforms := file.get_platforms():
+            parts.extend(platforms)
         return f'{"-".join(parts)}.zip'
 
-    def get_download_url(self, platform=None, append_repository_and_compatibility=True) -> str:
-        filename = self._get_download_name(platform=platform)
-        if platform:
-            download_url = reverse(
-                'extensions:version-platform-download',
-                kwargs={
-                    'type_slug': self.extension.type_slug,
-                    'slug': self.extension.slug,
-                    'version': self.version,
-                    'platform': platform,
-                    'filename': filename,
-                },
-            )
-        else:
-            download_url = reverse(
-                'extensions:version-download',
-                kwargs={
-                    'type_slug': self.extension.type_slug,
-                    'slug': self.extension.slug,
-                    'version': self.version,
-                    'filename': filename,
-                },
-            )
+    def get_download_url(self, file, append_repository_and_compatibility=True) -> str:
+        filename = self._get_download_name(file)
+        download_url = reverse(
+            'extensions:download',
+            kwargs={
+                'filehash': file.hash,
+                'filename': filename,
+            },
+        )
         if append_repository_and_compatibility:
             params = {
                 'repository': '/api/v1/extensions/',
@@ -810,10 +796,8 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
             }
             if self.blender_version_max:
                 params['blender_version_max'] = self.blender_version_max
-            if platform:
-                params['platforms'] = platform
-            elif platforms := self.platforms.all():
-                params['platforms'] = ','.join([p.slug for p in platforms])
+            if platforms := file.get_platforms():
+                params['platforms'] = ','.join(platforms)
             query_string = urlencode(params)
             download_url += f'?{query_string}'
         return download_url
@@ -824,9 +808,9 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
             file = files[0]
             return [
                 {
-                    'name': self._get_download_name(platform=None),
+                    'name': self._get_download_name(file),
                     'size': file.size_bytes,
-                    'url': self.get_download_url(platform=None),
+                    'url': self.get_download_url(file),
                 }
             ]
         platform2file = {}
@@ -841,10 +825,10 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
                 platform2file[platform] = file
         return [
             {
-                'name': self._get_download_name(platform=p),
+                'name': self._get_download_name(file),
                 'platform': p,
                 'size': file.size_bytes,
-                'url': self.get_download_url(platform=p),
+                'url': self.get_download_url(file),
             }
             for p, file in platform2file.items()
         ]
@@ -853,15 +837,12 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
         build_list = []
         for file in self.files.all():
             platforms = file.get_platforms() or []
-            platform = len(platforms) and platforms[0] or None
-            # if file has multiple platforms, picking the first one should still produce a correct
-            # download_url
             build_list.append(
                 {
-                    'name': self._get_download_name(platform=platform),
+                    'name': self._get_download_name(file),
                     'platforms': platforms,
                     'size': file.size_bytes,
-                    'url': self.get_download_url(platform=platform),
+                    'url': self.get_download_url(file),
                 }
             )
         return build_list

extensions/urls.py

@@ -28,6 +28,7 @@ urlpatterns = [
     path('search/', public.SearchView.as_view(), name='search'),
     path('tag/<slug:tag_slug>/', public.SearchView.as_view(), name='by-tag'),
     path('team/<slug:team_slug>/', public.SearchView.as_view(), name='by-team'),
+    path('download/<filehash>/<filename>', public.file_download, name='download'),
     re_path(
         rf'^(?P<type_slug>{EXTENSION_SLUGS_PATH})/',
         include(
@@ -91,11 +92,6 @@ urlpatterns = [
                     public.extension_version_download,
                     name='version-download',
                 ),
-                path(
-                    '<slug:slug>/<version>/<platform>/download/<filename>',
-                    public.extension_version_platform_download,
-                    name='version-platform-download',
-                ),
                 path('<slug:slug>/versions/', manage.VersionsView.as_view(), name='versions'),
             ],
         ),

extensions/views/api.py

@@ -93,7 +93,7 @@ class ListedExtensionsSerializer(serializers.ModelSerializer):
                 'archive_size': file.size_bytes,
                 'archive_url': self.request.build_absolute_uri(
                     matching_version.get_download_url(
-                        platform=self.platform,
+                        file,
                         append_repository_and_compatibility=False,
                     )
                 ),

extensions/views/public.py

@@ -4,21 +4,19 @@ import logging
 from django.contrib.auth import get_user_model
 from django.db import connection
 from django.db.models import Count, Q
-from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect
 from django.utils.translation import gettext_lazy as _
 from django.views.generic import DetailView, ListView
 
-from extensions.models import Extension, Version, Tag
 from constants.base import (
     EXTENSION_TYPE_SLUGS,
     EXTENSION_TYPE_PLURAL,
     EXTENSION_TYPE_CHOICES,
 )
-from stats.models import ExtensionView
+from extensions.models import Extension, Version, Tag
+from files.models import File
+from stats.models import ExtensionDownload, ExtensionView, VersionDownload
 import ratings.models
-
-from stats.models import ExtensionDownload, VersionDownload
 import teams.models
 
 User = get_user_model()
@@ -53,14 +51,16 @@ class HomeView(ListedExtensionsView):
 
 
 def extension_version_download(request, type_slug, slug, version, filename):
-    """A backward-compatible shortcut for the method below.
+    """A backward-compatible url for downloads.
 
-    No platform is specified, assuming only a single file for a given version.
+    Assuming only a single file for a given version.
     """
-    return extension_version_platform_download(request, type_slug, slug, version, None, filename)
+    extension_version = get_object_or_404(Version, extension__slug=slug, version=version)
+    file = extension_version.files.first()
+    return file_download(request, file.hash, filename)
 
 
-def extension_version_platform_download(request, type_slug, slug, version, platform, filename):
+def file_download(request, filehash, filename):
     """Download an extension version and count downloads.
 
     This method processes urls constructed by Version.get_download_list.
@@ -70,13 +70,13 @@ def extension_version_platform_download(request, type_slug, slug, version, platf
     drag&drop.
     Also see $arg_filename usage in playbooks/templates/nginx/http.conf
     """
-    extension_version = get_object_or_404(Version, extension__slug=slug, version=version)
+    # TODO check file status
+    file = get_object_or_404(File, hash=filehash, version__isnull=False)
+    extension_version = file.version.first()
     ExtensionDownload.create_from_request(request, object_id=extension_version.extension_id)
     VersionDownload.create_from_request(request, object_id=extension_version.pk)
-    if file := extension_version.get_file_for_platform(platform):
-        url = file.source.url
-        return redirect(f'{url}?filename={filename}')
-    raise Http404()
+    url = file.source.url
+    return redirect(f'{url}?filename={filename}')
 
 
 class SearchView(ListedExtensionsView):

users/tests/test_tasks.py

@@ -82,7 +82,7 @@ class TestTasks(TestCase):
         self.assertEqual(response.status_code, 200)
         response = self.client.get(version.extension.get_versions_url())
         self.assertEqual(response.status_code, 200)
-        response = self.client.get(version.get_download_url())
+        response = self.client.get(version.get_download_url(version.files.first()))
         self.assertEqual(response.status_code, 302)
         self.assertEqual(
             response['Location'],