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remove explicit code markers for reqs

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Sebastian Sucker
2025-12-22 14:15:41 +01:00
parent ce281d7952
commit 4f6cb1b26b
1 changed files with 16 additions and 43 deletions
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59
app.py
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@@ -5,7 +5,6 @@ Simple Todo Application
This application implements a command-line todo list manager that persists
data to JSON and provides full CRUD operations with validation.
Implements requirements: REQ-001 through REQ-010
"""
import json
@@ -17,21 +16,6 @@ from datetime import datetime
class TodoApp:
"""
Simple Todo Application with persistent storage.
Implements all 10 requirements:
- REQ-001: Create todo items
- REQ-002: List todo items
- REQ-003: Mark complete/incomplete
- REQ-004: Delete todo items
- REQ-005: Edit todo items
- REQ-006: Data persistence (JSON)
- REQ-007: Input validation
- REQ-008: Performance optimization
- REQ-009: Error handling
- REQ-010: CLI user interface
"""
DATA_FILE = "todos.json"
MAX_TITLE_LENGTH = 200
@@ -42,7 +26,7 @@ class TodoApp:
self._load_todos()
def _load_todos(self) -> None:
"""Load todos from JSON file if it exists. REQ-006: Data Persistence."""
try:
if Path(self.DATA_FILE).exists():
with open(self.DATA_FILE, 'r') as f:
@@ -52,16 +36,16 @@ class TodoApp:
self.todos = []
def _save_todos(self) -> None:
"""Save todos to JSON file. REQ-006: Data Persistence."""
try:
with open(self.DATA_FILE, 'w') as f:
json.dump(self.todos, f, indent=2)
except IOError as e:
raise RuntimeError(f"Failed to save todos: {e}") # REQ-009: Error handling
raise RuntimeError(f"Failed to save todos: {e}")
def _validate_title(self, title: str) -> bool:
"""
Validate todo title. REQ-007: Input Validation.
Validate todo title.
Args:
title: The title to validate
@@ -81,9 +65,8 @@ class TodoApp:
def create_todo(self, title: str, description: str = "") -> bool:
"""
Create a new todo item. REQ-001: Create Todo Items.
REQ-007: Input Validation. REQ-009: Error handling.
Create a new todo item.
Args:
title: The todo title
description: Optional todo description
@@ -108,13 +91,12 @@ class TodoApp:
print(f"✅ Todo created: '{title}'")
return True
except Exception as e:
print(f"❌ Error creating todo: {e}") # REQ-009: Error handling
print(f"❌ Error creating todo: {e}")
return False
def list_todos(self) -> None:
"""
Display all todos in a formatted list. REQ-002: List Todo Items.
REQ-010: CLI user interface.
Display all todos in a formatted list.
"""
if not self.todos:
print("\n📋 No todos yet. Create one to get started!")
@@ -139,7 +121,6 @@ class TodoApp:
def mark_complete(self, todo_id: int) -> bool:
"""
Mark a todo as complete or toggle completion status.
REQ-003: Mark Todo as Complete. REQ-009: Error handling.
Args:
todo_id: The ID of the todo to mark complete
@@ -161,14 +142,13 @@ class TodoApp:
print(f"❌ Error: Todo with ID {todo_id} not found")
return False
except Exception as e:
print(f"❌ Error marking todo: {e}") # REQ-009: Error handling
print(f"❌ Error marking todo: {e}")
return False
def delete_todo(self, todo_id: int) -> bool:
"""
Delete a todo item. REQ-004: Delete Todo Items.
REQ-009: Error handling.
Delete a todo item.
Args:
todo_id: The ID of the todo to delete
@@ -187,14 +167,13 @@ class TodoApp:
print(f"❌ Error: Todo with ID {todo_id} not found")
return False
except Exception as e:
print(f"❌ Error deleting todo: {e}") # REQ-009: Error handling
print(f"❌ Error deleting todo: {e}")
return False
def edit_todo(self, todo_id: int, title: Optional[str] = None,
description: Optional[str] = None) -> bool:
"""
Edit an existing todo item. REQ-005: Edit Todo Items.
REQ-007: Input Validation. REQ-009: Error handling.
Edit an existing todo item.
Args:
todo_id: The ID of the todo to edit
@@ -223,11 +202,11 @@ class TodoApp:
print(f"❌ Error: Todo with ID {todo_id} not found")
return False
except Exception as e:
print(f"❌ Error editing todo: {e}") # REQ-009: Error handling
print(f"❌ Error editing todo: {e}")
return False
def show_menu(self) -> None:
"""Display the main menu. REQ-010: CLI user interface."""
"""Display the main menu."""
print("\n" + "=" * 70)
print("📝 Todo Application")
print("=" * 70)
@@ -240,7 +219,7 @@ class TodoApp:
print("=" * 70)
def run(self) -> None:
"""Main application loop. REQ-010: CLI user interface."""
"""Main application loop."""
print("\n🚀 Welcome to the Simple Todo Application!")
while True:
@@ -248,17 +227,14 @@ class TodoApp:
choice = input("Enter your choice (1-6): ").strip()
if choice == "1":
# REQ-001: Create Todo Items
title = input("Enter todo title: ").strip()
description = input("Enter description (optional): ").strip()
self.create_todo(title, description)
elif choice == "2":
# REQ-002: List Todo Items
self.list_todos()
elif choice == "3":
# REQ-003: Mark Todo as Complete
self.list_todos()
try:
todo_id = int(input("Enter todo ID to toggle: "))
@@ -267,7 +243,6 @@ class TodoApp:
print("❌ Error: Please enter a valid ID number")
elif choice == "4":
# REQ-005: Edit Todo Items
self.list_todos()
try:
todo_id = int(input("Enter todo ID to edit: "))
@@ -282,7 +257,6 @@ class TodoApp:
print("❌ Error: Please enter a valid ID number")
elif choice == "5":
# REQ-004: Delete Todo Items
self.list_todos()
try:
todo_id = int(input("Enter todo ID to delete: "))
@@ -293,7 +267,6 @@ class TodoApp:
print("❌ Error: Please enter a valid ID number")
elif choice == "6":
# REQ-010: CLI user interface - graceful exit
print("\n👋 Goodbye! Your todos have been saved.")
break