Some notes on things that will eventually become DBus calls in GTG:

Calls on GTG.core objects from within the GTK UI

• GTG/gtk/
  • dbuswrapper.py:
    • Requester.
      • delete_task()
      • get_task()
      • has_task()
      • new_task()
    • Task.
      • add_child()
      • add_tag()
      • get_children()
      • get_closed_date()
      • get_due_date()
      • get_start_date()
      • get_id()
      • get_parents()
      • get_status()
      • get_tags_name()
      • get_text()
      • get_title()
      • set_due_date()
      • set_start_date()
      • set_status()
      • set_text()
      • set_title()
  • delete_dialog.py:
    • Requester.
      • delete_task()
      • get_task()
    • Task.
      • get_subtasks()
  • manager.py:
    • Requester.get_task()
  • browser/
    • browser.py:
      • Requester.
        • apply_filter()
        • connect()
        • get_all_tags()
        • get_custom_tasks_tree()
        • get_main_n_tasks()
        • get_new_task()
        • get_task()
        • has_task()
        • reset_tag_filters()
        • unapply_filter()
      • Tag.
        • get_attribute()
        • set_attribute()
        • del_attribute()
      • Task.
        • STA_ACTIVE
        • STA_DISMISSED
        • STA_DONE
        • add_child()
        • add_tag()
        • get_id()
        • get_self_and_all_subtasks()
        • get_status()
        • get_tags()
        • get_tags_name()
        • get_title()
        • set_due_date()
        • set_start_date()
        • set_status()
        • set_title()
        • set_to_keep()
        • set_tooltip_text()
        • sync()
    • tagtree.py:
      • Requester.
        • get_main_tasks_tree()
        • get_tag()
        • get_tag_tree()
        • get_task()
        • rename_tag()
      • Tag.
        • get_attribute()
        • get_name()
      • Task.
        • add_tag()
        • get_tags_name()
        • remove_tag()
        • sync()
    • tasktree.py: imports GTG.core.tree.Tree and .TreeNode but doesn’t use them.
      • Requester
        • get_task()
      • Task.
        • STA_ACTIVE
        • STA_DISMISSED
        • add_parent()
        • get_closed_date()
        • get_days_left()
        • get_due_date()
        • get_id()
        • get_parents()
        • get_start_date()
        • get_status()
        • get_tags()
        • remove_parent()
  • editor/
    • editor.py:
      • Requester.
        • connect()
        • delete_task()
        • get_used_tags()
        • new_task()
      • Tag.
        • get_name()
      • Task.
        • STA_DISMISSED
        • STA_DONE
        • add_child()
        • add_tag()
        • get_children()
        • get_closed_date()
        • get_days_late()
        • get_days_left()
        • get_due_date()
        • get_id()
        • get_start_date()
        • get_status()
        • get_subtasks()
        • get_tags()
        • get_tags_name()
        • get_text()
        • get_title()
        • has_tags()
        • is_new()
        • remove_child()
        • remove_tag()
        • set_closed_date()
        • set_due_date()
        • set_start_date()
        • set_status()
        • set_text()
        • set_title()
        • set_to_keep()
        • sync()
    • taskview.py:
      • Requester.
        • get_task()
        • has_task()
      • Task.
        • get_status() — compares with a string!
        • get_title()
        • set_title()

Changes

• Requester becomes the main DBus interface of the server.
• String representation of Task and Tag should be their most commonly-used property.
  • Task.get_id() → Task.__str__()
  • Tag.get_name() → Tag.__str__()
• Simple attribute access for DBus clients: Use decorators, __getattr__ and __setattr__ in DBus Tag and Task proxy objects for properties like closed_date, due_date, start_date, status, text, title, etc.:
  • d = task.get_closed_date() → d = task.closed_date
  • task.set_closed_date(d) → task.closed_date = d
  • This will involve subclassing dbus.proxies.ProxyObject, which already has a custom __getattr__.
• Simple collections as attributes for children, tags
  • task.has_tag('t') → 't' in task.tags or similar
• Eliminate duplication of concepts: subtasks of a Task are sometimes addressed using the TreeNode idiom of “children”.
• Modify objects directly. The server knows when the tree needs to be groomed/other objects updated:
  • Requester.delete_task() → task.delete()
  • Requester.rename_tag() → tag.name = 'newname'
• Examine calls to Requester.connect(): Requester is a subclass of gobject.GObject. Is it kosher to connect GObject signals across DBus? I can’t imagine it is…
• Replace unneeded functions: Task.is_new(), Task.set_to_keep() seem to be here to support UI behaviours. Don’t do these things at the level of the data model.
• Eliminate object getters…like Requester.get_tag() and Requester.get_task(). With canonical DBus paths, the client can just use bus.get_object() with the object ID to get the object directly, e.g. at:
  • /org/gnome/GTG/Store/Task/da7b144d-db6d-471d-97e8-d13a22c089e
  • /org/gnome/GTG/Store/Tag/todo