lib/services/notify.py

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2024-02-18 09:50:18 +00:00
import json
from services.rediscache import redis
async def notify_reaction(reaction, action: str = 'create'):
channel_name = 'reaction'
data = {'payload': reaction, 'action': action}
try:
await redis.publish(channel_name, json.dumps(data))
except Exception as e:
print(f'[services.notify] Failed to publish to channel {channel_name}: {e}')
async def notify_shout(shout, action: str = 'update'):
channel_name = 'shout'
data = {'payload': shout, 'action': action}
try:
await redis.publish(channel_name, json.dumps(data))
except Exception as e:
print(f'[services.notify] Failed to publish to channel {channel_name}: {e}')
async def notify_follower(follower: dict, author_id: int, action: str = 'follow'):
channel_name = f'follower:{author_id}'
try:
# Simplify dictionary before publishing
simplified_follower = {k: follower[k] for k in ['id', 'name', 'slug', 'pic']}
data = {'payload': simplified_follower, 'action': action}
# Convert data to JSON string
json_data = json.dumps(data)
# Ensure the data is not empty before publishing
if not json_data:
raise ValueError('Empty data to publish.')
# Use the 'await' keyword when publishing
await redis.publish(channel_name, json_data)
except Exception as e:
# Log the error and re-raise it
print(f'[services.notify] Failed to publish to channel {channel_name}: {e}')
raise