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7de8fc8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | import uuid
from datetime import datetime, date
def create_todo(text, priority="Medium", due_date=None):
"""Create a new todo item"""
if due_date is None:
due_date = date.today().strftime('%Y-%m-%d')
return {
'id': str(uuid.uuid4()),
'text': text,
'completed': False,
'priority': priority,
'due_date': due_date,
'created_at': datetime.now().strftime('%Y-%m-%d %H:%M:%S')
}
def toggle_todo(todos, todo_id):
"""Toggle the completion status of a todo"""
for todo in todos:
if todo['id'] == todo_id:
todo['completed'] = not todo['completed']
break
return todos
def delete_todo(todos, todo_id):
"""Delete a todo item"""
return [todo for todo in todos if todo['id'] != todo_id]
def update_todo(todos, todo_id, new_text, new_priority, new_due_date):
"""Update an existing todo"""
for todo in todos:
if todo['id'] == todo_id:
todo['text'] = new_text
todo['priority'] = new_priority
todo['due_date'] = new_due_date
break
return todos
def clear_completed_todos(todos):
"""Remove all completed todos"""
return [todo for todo in todos if not todo['completed']]
def filter_todos(todos, filter_type='all', search_query='', priorities=None):
"""Filter todos based on completion status and search query"""
if priorities is None:
priorities = ['High', 'Medium', 'Low']
filtered = todos
# Filter by completion status
if filter_type == 'active':
filtered = [todo for todo in filtered if not todo['completed']]
elif filter_type == 'completed':
filtered = [todo for todo in filtered if todo['completed']]
# Filter by priority
filtered = [todo for todo in filtered if todo['priority'] in priorities]
# Filter by search query
if search_query:
search_query = search_query.lower()
filtered = [todo for todo in filtered if search_query in todo['text'].lower()]
# Sort by priority and due date
priority_order = {'High': 0, 'Medium': 1, 'Low': 2}
filtered.sort(key=lambda x: (x['completed'], priority_order[x['priority']], x['due_date']))
return filtered
def get_todo_stats(todos):
"""Get statistics about todos"""
total = len(todos)
completed = len([todo for todo in todos if todo['completed']])
pending = total - completed
return {
'total': total,
'completed': completed,
'pending': pending
}
def get_priority_stats(todos):
"""Get statistics by priority"""
stats = {'High': 0, 'Medium': 0, 'Low': 0}
for todo in todos:
if not todo['completed']:
stats[todo['priority']] += 1
return stats
def export_todos(todos):
"""Export todos to JSON format"""
return json.dumps(todos, indent=2)
def import_todos(json_data):
"""Import todos from JSON data"""
try:
return json.loads(json_data)
except json.JSONDecodeError:
return None |