api: add series versioning fields

For projects with the series versioning enabled, we will show all series
that are superseded or supersedes a series.

Signed-off-by: Victor Accarini <victor.accarini@profusion.mobi>

Author: victor-accarini

patchwork/api/project.py

@@ -40,6 +40,7 @@ class Meta:
             'list_archive_url_format',
             'commit_url_format',
             'show_dependencies',
+            'show_series_versions',
         )
         read_only_fields = (
             'name',
@@ -56,7 +57,7 @@ class Meta:
                 'list_archive_url_format',
                 'commit_url_format',
             ),
-            '1.4': ('show_dependencies',),
+            '1.4': ('show_dependencies', 'show_series_versions'),
         }
         extra_kwargs = {
             'url': {'view_name': 'api-project-detail'},

patchwork/api/series.py

@@ -33,6 +33,16 @@ class SeriesSerializer(BaseHyperlinkedModelSerializer):
     dependents = HyperlinkedRelatedField(
         read_only=True, view_name='api-series-detail', many=True
     )
+    supersedes = HyperlinkedRelatedField(
+        read_only=True,
+        view_name='api-series-detail',
+        many=True,
+    )
+    superseded = HyperlinkedRelatedField(
+        read_only=True,
+        view_name='api-series-detail',
+        many=True,
+    )
 
     def get_web_url(self, instance):
         request = self.context.get('request')
@@ -48,6 +58,11 @@ def to_representation(self, instance):
                 if field in self.fields:
                     del self.fields[field]
 
+        if not instance.project.show_series_versions:
+            for field in ('supersedes', 'superseded'):
+                if field in self.fields:
+                    del self.fields[field]
+
         data = super().to_representation(instance)
 
         return data
@@ -71,6 +86,8 @@ class Meta:
             'patches',
             'dependencies',
             'dependents',
+            'supersedes',
+            'superseded',
         )
         read_only_fields = (
             'date',
@@ -83,10 +100,12 @@ class Meta:
             'patches',
             'dependencies',
             'dependents',
+            'supersedes',
+            'superseded',
         )
         versioned_fields = {
             '1.1': ('web_url',),
-            '1.4': ('dependencies', 'dependents'),
+            '1.4': ('dependencies', 'dependents', 'supersedes', 'superseded'),
         }
         extra_kwargs = {
             'url': {'view_name': 'api-series-detail'},
@@ -105,6 +124,8 @@ def get_queryset(self):
                 'cover_letter__project',
                 'dependencies',
                 'dependents',
+                'supersedes',
+                'superseded',
             )
             .select_related('submitter', 'project')
         )