feat: storage, language rules and migration

test/article_slug_backfill_test.go

@@ -71,6 +71,11 @@ func openLegacyArticleDatabase(t *testing.T) *gorm.DB {
 
 func seedLegacyArticles(t *testing.T, db *gorm.DB, rows []entity.Article) {
 	t.Helper()
+	for index := range rows {
+		if rows[index].StoryID == 0 {
+			rows[index].StoryID = fixtureStory()
+		}
+	}
 	if err := db.CreateInBatches(&rows, 100).Error; err != nil {
 		t.Fatalf("seed: %v", err)
 	}
@@ -79,7 +84,7 @@ func seedLegacyArticles(t *testing.T, db *gorm.DB, rows []entity.Article) {
 func legacyArticles(count int) []entity.Article {
 	rows := make([]entity.Article, 0, count)
 	for i := 1; i <= count; i++ {
-		rows = append(rows, entity.Article{Title: fmt.Sprintf("Legacy %04d", i), SiteID: uint32(i%2 + 1)})
+		rows = append(rows, entity.Article{StoryID: fixtureStory(), Title: fmt.Sprintf("Legacy %04d", i), SiteID: uint32(i%2 + 1)})
 	}
 	return rows
 }
@@ -217,7 +222,7 @@ func TestBackfillArticleSlugs(t *testing.T) {
 
 	t.Run("Soft-deleted rows get their tombstone once and existing slugs are kept", func(t *testing.T) {
 		db := openLegacyArticleDatabase(t)
-		seedLegacyArticles(t, db, []entity.Article{{Title: "Gone one", SiteID: 1}, {Title: "Gone two", SiteID: 1}, {Title: "Owner set", Slug: "chosen-by-owner", SiteID: 1}})
+		seedLegacyArticles(t, db, []entity.Article{{StoryID: fixtureStory(), Title: "Gone one", SiteID: 1}, {StoryID: fixtureStory(), Title: "Gone two", SiteID: 1}, {StoryID: fixtureStory(), Title: "Owner set", Slug: "chosen-by-owner", SiteID: 1}})
 		if err := db.Where("id IN ?", []uint32{1, 2}).Delete(&entity.Article{}).Error; err != nil {
 			t.Fatalf("soft delete: %v", err)
 		}