extensions/models.py

@@ -682,18 +682,22 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
         elif len(files) == 0:
             return None
         else:
-            raise Exception('FIXME: multiple files accessed via .file property')
+            log.warning('FIXME: multiple files accessed via .file property')
+            return files[0]
 
     @property
     def can_upload_more_files(self):
+        return len(self.get_available_platforms()) > 0
+
+    def get_available_platforms(self):
         all_platforms = set(p.slug for p in Platform.objects.all())
         for file in self.files.all():
             platforms = file.platforms()
             if not platforms:
                 # no platforms means any platform
-                return False
+                return set()
             all_platforms -= set(platforms)
-        return len(all_platforms) > 0
+        return all_platforms
 
     @property
     def is_listed(self):
@@ -767,6 +771,16 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
             },
         )
 
+    def get_version_upload_url(self) -> str:
+        return reverse(
+            'extensions:version-upload',
+            kwargs={
+                'type_slug': self.extension.type_slug,
+                'slug': self.extension.slug,
+                'pk': self.pk,
+            },
+        )
+
     @property
     def update_url(self) -> str:
         return reverse(

extensions/templates/extensions/new_version_finalise.html

@@ -16,11 +16,7 @@
             {% csrf_token %}
             {% with form=form|add_form_classes %}
 
-            <h2>
-              {% blocktranslate with version=form.instance.version %}
-                v{{ version }}
-              {% endblocktranslate %}
-            </h2>
+            <h2>v{{ form.instance.version }}</h2>
 
             <section class="card p-3">
               <div class="row">
@@ -39,6 +35,24 @@
               </div>
               {% endif %}
             </section>
+            <section class="card p-3 mt-4">
+              {% with version_files=form.instance.files.all %}
+              {% trans 'Files' %}:
+              <ul>
+                {% for file in version_files %}
+                <li>{{ file }} {% trans 'for platforms:' %} {{ file.platforms|join:", " }}</li>
+                {% endfor %}
+              </ul>
+              {% endwith %}
+              {% if form.instance.can_upload_more_files %}
+              <div>
+                <a href="{{ form.instance.get_version_upload_url }}" class="btn btn-primary">
+                  <i class="i-upload"></i>
+                  {% trans 'Upload files for other platforms' %}
+                </a>
+              </div>
+            </section>
+            {% endif %}
           </div>
           <div class="col-md-4">
             <div class="is-sticky">

extensions/templates/extensions/submit.html

@@ -17,15 +17,19 @@
     <div class="col-md-10 mx-auto">
       <div class="card p-5">
         <h1>
-          {% if extension %}
+          {% if version %}
+          {% trans 'Upload New File for' %} {{ version }}
+          {% elif extension %}
           {% trans 'Upload New' %} {{ extension.get_type_display }} {% trans 'Version' %}
           {% else %}
           {% trans 'Upload Extension' %}
           {% endif %}
         </h1>
+        {% if extension %}
         <p>
           <a href="{{ extension.get_absolute_url }}"><strong>{{ extension.name }}</strong></a>
         </p>
+        {% endif %}
         <hr>
         {% if not extension and drafts %}
         <div>
@@ -75,7 +79,9 @@
                 <button type="submit" class="btn btn-block btn-primary js-agree-with-terms-btn-submit px-5 py-2" disabled>
                   <i class="i-upload"></i>
                   <span>
-                  {% if extension %}
+                  {% if version %}
+                  {% trans 'Upload New File' %}
+                  {% elif extension %}
                   {% trans 'Upload New Version' %}
                   {% else %}
                   {% trans 'Upload Extension' %}
@@ -91,7 +97,9 @@
                     <button type="submit" class="btn btn-block btn-primary mb-2 px-5 py-2">
                       <i class="i-upload"></i>
                       <span>
-                      {% if extension %}
+                      {% if version %}
+                      {% trans 'Upload New File' %}
+                      {% elif extension %}
                       {% trans 'Upload New Version' %}
                       {% else %}
                       {% trans 'Upload Extension' %}

extensions/urls.py

@@ -91,6 +91,11 @@ urlpatterns = [
                     public.extension_version_download,
                     name='version-download',
                 ),
+                path(
+                    '<slug:slug>/manage/versions/<int:pk>/upload/',
+                    manage.UploadVersionFileView.as_view(),
+                    name='version-upload',
+                ),
                 path('<slug:slug>/versions/', manage.VersionsView.as_view(), name='versions'),
             ],
         ),

extensions/views/manage.py

@@ -281,6 +281,46 @@ class UpdateVersionView(LoginRequiredMixin, UserPassesTestMixin, UpdateView):
         return self.get_object().extension.has_maintainer(self.request.user)
 
 
+class UploadVersionFileView(
+    LoginRequiredMixin,
+    MaintainedExtensionMixin,
+    CreateView,
+):
+    """Upload a new file for an existing version. Multi-OS support."""
+
+    form_class = FileForm
+    template_name = 'extensions/submit.html'
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['extension'] = self.extension
+        ctx['version'] = self.version
+        return ctx
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs['request'] = self.request
+        kwargs['extension'] = self.extension
+        kwargs['version'] = self.version
+        return kwargs
+
+    @transaction.atomic
+    def form_valid(self, form):
+        response = super().form_valid(form)
+        self.version.files.add(self.object)
+        return response
+
+    def get_success_url(self):
+        return reverse(
+            'extensions:new-version-finalise',
+            kwargs={
+                'type_slug': self.extension.type_slug,
+                'slug': self.extension.slug,
+                'pk': self.object.pk,
+            },
+        )
+
+
 class DraftExtensionView(
     LoginRequiredMixin,
     MaintainedExtensionMixin,

extensions/views/mixins.py

@@ -27,13 +27,18 @@ class ExtensionQuerysetMixin:
 
 
 class MaintainedExtensionMixin:
-    """Fetch an extension by slug if current user is a maintainer."""
+    """Fetch an extension by slug if current user is a maintainer.
+
+    If pk is present, also fetch a corresponding version.
+    """
 
     def dispatch(self, *args, **kwargs):
         self.extension = get_object_or_404(
             Extension.objects.authored_by(self.request.user),
             slug=self.kwargs['slug'],
         )
+        if 'pk' in self.kwargs:
+            self.version = get_object_or_404(self.extension.versions, pk=self.kwargs['pk'])
         return super().dispatch(*args, **kwargs)
 
 

files/forms.py

@@ -10,6 +10,7 @@ from django.utils.translation import gettext_lazy as _
 from .validators import (
     ExtensionIDManifestValidator,
     ExtensionNameManifestValidator,
+    ExtensionVersionManifestValidator,
     FileMIMETypeValidator,
     ManifestValidator,
 )
@@ -36,11 +37,15 @@ class FileForm(forms.ModelForm):
         # TODO: surface TOML parsing errors?
         'invalid_manifest_toml': _('Manifest file contains invalid code.'),
         'invalid_missing_init': mark_safe(_('Add-on file missing: <strong>__init__.py</strong>.')),
-        'missing_or_multiple_theme_xml': mark_safe(_('Themes can only contain <strong>one XML file</strong>.')),
+        'missing_or_multiple_theme_xml': mark_safe(
+            _('Themes can only contain <strong>one XML file</strong>.')
+        ),
         'invalid_zip_archive': msg_only_zip_files,
         'missing_manifest_toml': _('The manifest file is missing.'),
-        'missing_wheel': _('Python wheel missing: %(path)s'), # TODO <strong>%(path)s</strong>
-        'forbidden_filepaths': _('Archive contains forbidden files or directories: %(paths)s'), #TODO <strong>%(paths)s</strong>
+        'missing_wheel': _('Python wheel missing: %(path)s'),  # TODO <strong>%(path)s</strong>
+        'forbidden_filepaths': _(
+            'Archive contains forbidden files or directories: %(paths)s'
+        ),  # TODO <strong>%(paths)s</strong>
     }
 
     class Meta:
@@ -71,6 +76,7 @@ class FileForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         self.request = kwargs.pop('request')
         self.extension = kwargs.pop('extension', None)
+        self.version = kwargs.pop('version', None)
         for field in self.base_fields:
             if field not in {'source', 'agreed_with_terms'}:
                 self.base_fields[field].required = False
@@ -160,6 +166,7 @@ class FileForm(forms.ModelForm):
                 ManifestValidator(manifest)
                 ExtensionIDManifestValidator(manifest, self.extension)
                 ExtensionNameManifestValidator(manifest, self.extension)
+                ExtensionVersionManifestValidator(manifest, self.extension, self.version)
 
                 self.cleaned_data['metadata'] = manifest
                 self.cleaned_data['type'] = EXTENSION_SLUG_TYPES[manifest['type']]

files/validators.py

@@ -164,6 +164,44 @@ class ExtensionNameManifestValidator:
                 )
 
 
+class ExtensionVersionManifestValidator:
+    """Validates version."""
+
+    def __init__(self, manifest, extension_to_be_updated, version_to_be_updated):
+
+        # If the extension wasn't created yet, any version is valid
+        if not extension_to_be_updated:
+            return
+
+        # check for duplicates in database
+        if not version_to_be_updated:
+            version = manifest.get('version')
+            if extension_to_be_updated.versions.filter(version=version).first():
+                raise ValidationError(
+                    {
+                        'source': [
+                            f'The version {escape(version)} was already uploaded for this '
+                            f'extension ({extension_to_be_updated.name})'
+                        ],
+                    },
+                    code='invalid',
+                )
+            return
+
+        # check for platforms
+        if platforms := manifest.get('platforms', None):
+            available_platforms = version_to_be_updated.get_available_platforms()
+            if diff := set(platforms) - available_platforms:
+                raise ValidationError(
+                    {
+                        'source': [
+                            f'{version_to_be_updated} already has files for {", ".join(diff)}'
+                        ],
+                    },
+                    code='invalid',
+                )
+
+
 class ManifestFieldValidator:
     @classmethod
     def validate(cls, *, name: str, value: object, manifest: dict) -> str:
@@ -495,30 +533,6 @@ class SchemaVersionValidator(VersionValidator):
             )
 
 
-class VersionVersionValidator(VersionValidator):
-    example = '1.0.0'
-
-    @classmethod
-    def validate(cls, *, name: str, value: str, manifest: dict) -> str:
-        """Return error message if cannot validate, otherwise returns nothing"""
-        if err_message := super().validate(name=name, value=value, manifest=manifest):
-            return err_message
-
-        extension = Extension.objects.filter(extension_id=manifest.get("id")).first()
-
-        # If the extension wasn't created yet, any version is valid
-        if not extension:
-            return
-
-        version = extension.versions.filter(version=value).first()
-
-        if version:
-            return mark_safe(
-                f'The version {value} was already uploaded for this extension '
-                f'({extension.name})'
-            )
-
-
 class VersionMinValidator(VersionValidator):
     example = '4.2.0'
 
@@ -608,7 +622,7 @@ class ManifestValidator:
         'schema_version': SchemaVersionValidator,
         'tagline': TaglineValidator,
         'type': TypeValidator,
-        'version': VersionVersionValidator,
+        'version': VersionValidator,
     }
     optional_fields = {
         'blender_version_max': VersionMaxValidator,