(Updated) groups source creation.

tui_rsync/models/models.py

@@ -135,10 +135,8 @@ class Group(BaseModel):
             label=label,
             sources=[],
         )
-        for source_label in source_labels:
-            # continue:
-            src = Source.get(label=source_label)
-            group_src, _ = GroupSource.get_or_create(group=group, source=src)
+
+        GroupSource.create_group_sources(group, source_labels)
         group.save()
         return group
 
@@ -158,6 +156,21 @@ class GroupSource(BaseModel):
     group = ForeignKeyField(Group, backref='sources')
     source = ForeignKeyField(Source)
 
+    @staticmethod
+    def create_group_source(group:Group, source_label:str) -> bool:
+        """
+        Return group-source created status
+        """
+        src = Source.get(label=source_label)
+        group_src, created = GroupSource.get_or_create(group=group, source=src)
+        group_src.save()
+        return created
+
+    @staticmethod
+    def create_group_sources(group:Group, source_labels:list[str]):
+        for source_label in source_labels:
+            GroupSource.create_group_source(group, source_label)
+
 def create_tables():
     with db:
         tables = [
@@ -179,6 +192,10 @@ def all_labels():
         return Source.select(Source.label)
 
 def all_labels_except(labels):
+    if labels == None:
+        return all_labels()
+    if len(labels) == 0:
+        return all_labels()
     with db:
         return Source.select(Source.label).where(Source.label.not_in(labels))