Add slug to drafts because uploading media needs slug

database.go

@@ -627,7 +627,12 @@ func (db *datastore) CreatePost(userID, collID int64, post *SubmittedPost) (*Pos
 	ownerCollID := sql.NullInt64{
 		Valid: false,
 	}
-	slug := sql.NullString{"", false}
+	slugString := *post.Slug
+	slugValid := true
+	if slugString == "" {
+		slugValid = false
+	}
+	slug := sql.NullString{slugString, slugValid}
 
 	// If an alias was supplied, we'll add this to the collection as well.
 	if userID > 0 {

posts.go

@@ -635,6 +635,8 @@ func newPost(app *App, w http.ResponseWriter, r *http.Request) error {
 			}
 			collID = coll.ID
 		}
+		slug := getSlugFromPost(*p.Title, *p.Content, p.Language.String)
+		p.Slug = &slug
 		// TODO: return PublicPost from createPost
 		newPost.Post, err = app.db.CreatePost(userID, collID, p)
 	}