Archive

resources/data_api_design/20260606123307.mmd

@@ -0,0 +1,50 @@
+classDiagram
+    class TodoItem {
+        -int id
+        -str title
+        -str description
+        -str due_date
+        -bool completed
+        -str created_at
+        +__init__(id: int, title: str, description: str = "", due_date: str = "", completed: bool = False, created_at: str = "")
+        +to_dict() dict
+        +from_dict(data: dict) TodoItem
+    }
+    class Storage {
+        -str file_path
+        +__init__(file_path: str)
+        +load() list[dict]
+        +save(data: list[dict]) None
+    }
+    class TodoManager {
+        -list[TodoItem] items
+        -Storage storage
+        -int next_id
+        +__init__(storage: Storage)
+        +add(title: str, description: str = "", due_date: str = "") TodoItem
+        +list_all() list[TodoItem]
+        +list_by_status(completed: bool) list[TodoItem]
+        +mark_done(item_id: int) bool
+        +mark_undone(item_id: int) bool
+        +delete(item_id: int) bool
+        +edit(item_id: int, title: str = None, description: str = None, due_date: str = None, completed: bool = None) bool
+        +_load() None
+        +_save() None
+        +_find_by_id(item_id: int) TodoItem | None
+    }
+    class TodoCLI {
+        -TodoManager manager
+        -argparse.ArgumentParser parser
+        +__init__(manager: TodoManager)
+        +run(args: list[str] = None) None
+        +_setup_parser() None
+        +_handle_add(args) None
+        +_handle_list(args) None
+        +_handle_done(args) None
+        +_handle_delete(args) None
+        +_handle_edit(args) None
+    }
+    TodoCLI --> TodoManager
+    TodoManager --> Storage
+    TodoManager --> TodoItem
+    Storage ..> TodoItem : uses to_dict/from_dict