def delete_note(username):
# find if there is a note with the given name
# if it exists, then delete the file
# if it does not exist, then error
# inputs: note_name, username
#check if user is present
if not utils.user_exists(username):
return make_response(
jsonify(error=f"Username {username} doesn't exist."), 400)
request_body = request.get_json()
if 'note_name' not in request_body:
return make_response(
jsonify(
error="Body should contain 'note_name' for delete request"),
400)
note_name = request_body['note_name']
file_path = f'notes/{username}/{note_name}.txt'
try:
os.remove(file_path)
return make_response(jsonify(message='success'), 200)
except FileNotFoundError:
return make_response(jsonify(error=f"No note named {note_name}"), 400)
def modify_note(username):
# check if user is present
if not utils.user_exists(username):
return make_response(
jsonify(error=f"Username {username} doesn't exist."), 400)
# take new text as input
request_body = request.get_json()
if 'text' not in request_body or 'note_name' not in request_body:
return make_response(
jsonify(
error=
"The body must contain 'note_name' and 'text' for modify note."
), 400)
user_notes_folder = f'notes/{username}'
note_name = request['note_name']
text = request_body['text']
# update the file stored locally
try:
stored_file = open(f'{user_notes_folder}/{note_name}.txt', 'w')
stored_file.write(text)
stored_file.close()
return make_response(jsonify(message='ok'), 200)
except Exception as e:
print(f'error: {str(e)}')
return make_response(jsonify(error=str(e)), 500)
def sign_up():
request_body = request.get_json()
# check inputs: format should be correct and user should not already exist
if 'username' not in request_body:
return make_response(
jsonify(error="The body must contain 'username' for sign up."),
400)
username = request_body['username']
if utils.user_exists(username):
return make_response(
jsonify(error=f"Username {username} already exists."), 400)
# create a new directory for the user
user_notes_folder = f'notes/{username}'
try:
os.makedirs(user_notes_folder)
return make_response(jsonify(message='ok'), 200)
except Exception as e:
print(f'error: {str(e)}')
return make_response(jsonify(error=str(e)), 500)
def create_note(username):
# inputs: username, note_name, text
# check if user is present
user_notes_folder = f'notes/{username}'
if not utils.user_exists(username):
return make_response(
jsonify(error=f"Username {username} doesn't exist."), 400)
# check input format
request_body = request.get_json()
if 'note_name' not in request_body or 'text' not in request_body:
return make_response(
jsonify(
error=
"The body must contain 'note_name' and 'text' for create note."
), 400)
# if user present, create a new file
note_name = request_body['note_name']
text = request_body['text']
with open(f'{user_notes_folder}/{note_name}.txt', 'w') as notes_file:
notes_file.write(text)
return make_response(jsonify(message='ok'), 200)
def get_note(username):
# check if user is present
if not utils.user_exists(username):
return make_response(
jsonify(error=f"Username {username} doesn't exist."), 400)
# check input format
request_body = request.get_json()
if 'note_name' not in request_body:
return make_response(
jsonify(
error="The body must contain 'note_name' for delete note."),
400)
user_notes_folder = f'notes/{username}'
note_name = request['note_name']
try:
stored_file = open(f'{user_notes_folder}/{note_name}.txt', 'r')
note_content = stored_file.read()
stored_file.close()
return make_response(jsonify(text=note_content), 200)
except Exception as e:
print(f'error: {str(e)}')
return make_response(jsonify(error=str(e)), 500)