Handle empty ttl in backend

This commit is contained in:
Devoalda 2023-10-23 15:58:15 +08:00
parent a6faf8720d
commit 4e72bcfe07
1 changed files with 62 additions and 60 deletions

View File

@ -4,83 +4,85 @@ import uuid
from django.core.cache import cache
from rest_framework.decorators import api_view
from rest_framework.response import Response
from django.conf import settings
@api_view(['POST'])
@api_view(['GET', 'POST'])
def manage_items(request, *args, **kwargs):
# Define a timeout value (in seconds)
timeout = 5
if request.method == 'POST':
# Define a timeout value (in seconds)
timeout = 5
# Get the list of files and the TTL value from the request data
files = request.FILES.getlist('file')
ttl = request.data.get('ttl')
if not ttl:
# Set ttl to 3 days
ttl = 259200 # 3 * 24 * 60 * 60
# Get the list of files and the TTL value from the request data
files = request.FILES.getlist('file')
ttl = request.data.get('ttl')
if not ttl:
# Set ttl to 3 days
ttl = 259200 # 3 * 24 * 60 * 60
try:
# Convert the TTL to an integer
ttl = int(ttl)
try:
# Convert the TTL to an integer
ttl = int(ttl)
if ttl <= 0:
return Response({'msg': 'TTL must be a positive integer'}, status=400)
except ValueError:
return Response({'msg': 'Invalid TTL format'}, status=400)
if ttl <= 0:
return Response({'msg': 'TTL must be a positive integer'}, status=400)
except ValueError:
return Response({'msg': 'Invalid TTL format'}, status=400)
# Define a function to save a single file in a thread
def save_file_to_redis(file):
key = uuid.uuid4().hex
# Define a function to save a single file in a thread
def save_file_to_redis(file):
key = uuid.uuid4().hex
# Get the filename
filename = file.name
# Get the filename
filename = file.name
# Convert file to bytes
file_content = file.read()
# Convert file to bytes
file_content = file.read()
# Set with the provided TTL
cache.set(key, file_content, timeout=ttl)
# Set with the provided TTL
cache.set(key, file_content, timeout=ttl)
response = {
'key': key,
'msg': f"{key} successfully set to {filename} with TTL {ttl} seconds"
}
response = {
'key': key,
'msg': f"{key} successfully set to {filename} with TTL {ttl} seconds"
}
# Append the response to the shared responses list
responses.append(response)
# Append the response to the shared responses list
responses.append(response)
# Create a list to store the responses for each file
responses = []
# Create a list to store the responses for each file
responses = []
# Create a thread for each file
file_threads = []
for file in files:
file_thread = threading.Thread(target=save_file_to_redis, args=(file,))
file_threads.append(file_thread)
# Create a thread for each file
file_threads = []
for file in files:
file_thread = threading.Thread(target=save_file_to_redis, args=(file,))
file_threads.append(file_thread)
# Start all file-saving threads
for file_thread in file_threads:
file_thread.start()
# Use a Timer to add a timeout
timeout_event = threading.Event()
timeout_timer = threading.Timer(timeout, lambda: timeout_event.set())
try:
# Start the timer
timeout_timer.start()
# Wait for all file-saving threads to complete
# Start all file-saving threads
for file_thread in file_threads:
file_thread.join()
file_thread.start()
# Check if the threads completed without a timeout
if not timeout_event.is_set():
return Response(responses, status=201)
else:
return Response({'msg': 'File saving timed out'}, status=500)
finally:
# Always cancel the timer to prevent it from firing after the threads complete
timeout_timer.cancel()
# Use a Timer to add a timeout
timeout_event = threading.Event()
timeout_timer = threading.Timer(timeout, lambda: timeout_event.set())
try:
# Start the timer
timeout_timer.start()
# Wait for all file-saving threads to complete
for file_thread in file_threads:
file_thread.join()
# Check if the threads completed without a timeout
if not timeout_event.is_set():
return Response(responses, status=201)
else:
return Response({'msg': 'File saving timed out'}, status=500)
finally:
# Always cancel the timer to prevent it from firing after the threads complete
timeout_timer.cancel()
@api_view(['GET', 'PUT', 'DELETE'])