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import logging
from datetime import datetime, timedelta
from celery import current_app
from celery.schedules import crontab
from backend.services.content_service import ContentService
from backend.services.linkedin_service import LinkedInService
# Use relative import for the Config class to work with Hugging Face Spaces
from backend.config import Config
# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
def get_supabase_config():
"""Get Supabase configuration from environment."""
return {
'SUPABASE_URL': Config.SUPABASE_URL,
'SUPABASE_KEY': Config.SUPABASE_KEY
}
def init_scheduler(supabase_client):
"""
Initialize the Celery-based task scheduler.
Args:
supabase_client: Supabase client instance
"""
logger.info("Initializing Celery scheduler")
# In a Celery-based approach, we don't need to initialize a scheduler here
# Tasks will be scheduled through Celery Beat or called directly
def parse_schedule_time(schedule_time):
"""
Parse schedule time string into crontab format.
Args:
schedule_time (str): Schedule time in format "Day HH:MM"
Returns:
dict: Crontab parameters
"""
try:
day_name, time_str = schedule_time.split()
hour, minute = map(int, time_str.split(':'))
# Map day names to crontab format
day_map = {
'Monday': 1,
'Tuesday': 2,
'Wednesday': 3,
'Thursday': 4,
'Friday': 5,
'Saturday': 6,
'Sunday': 0
}
day_of_week = day_map.get(day_name, '*')
return {
'minute': minute,
'hour': hour,
'day_of_week': day_of_week
}
except Exception as e:
logger.error(f"Error parsing schedule time {schedule_time}: {str(e)}")
# Default to every minute for error cases
return {
'minute': '*',
'hour': '*',
'day_of_week': '*'
}
def load_schedules(supabase_client):
"""
Load schedules from the database and create periodic tasks.
This function is called by the Celery Beat scheduler.
Args:
supabase_client: Supabase client instance
"""
try:
logger.info("Loading schedules from database...")
# Get Supabase configuration
supabase_config = get_supabase_config()
# Fetch all schedules from Supabase
response = (
supabase_client
.table("Scheduling")
.select("*, Social_network(id_utilisateur, token, sub)")
.execute()
)
schedules = response.data if response.data else []
logger.info(f"Found {len(schedules)} schedules")
# Get current beat schedule
current_schedule = current_app.conf.beat_schedule
# Remove existing scheduled jobs (except the loader job)
# In a production environment, you might want to be more selective about this
loader_job = current_schedule.get('load-schedules', {})
new_schedule = {'load-schedules': loader_job}
# Create jobs for each schedule
for schedule in schedules:
try:
schedule_id = schedule.get('id')
schedule_time = schedule.get('schedule_time')
adjusted_time = schedule.get('adjusted_time')
if not schedule_time or not adjusted_time:
logger.warning(f"Invalid schedule format for schedule {schedule_id}")
continue
# Parse schedule times
content_gen_time = parse_schedule_time(adjusted_time)
publish_time = parse_schedule_time(schedule_time)
# Create content generation job (5 minutes before publishing)
gen_job_id = f"gen_{schedule_id}"
new_schedule[gen_job_id] = {
'task': 'celery_tasks.content_tasks.generate_content_task',
'schedule': crontab(
minute=content_gen_time['minute'],
hour=content_gen_time['hour'],
day_of_week=content_gen_time['day_of_week']
),
'args': (
schedule.get('Social_network', {}).get('id_utilisateur'),
schedule_id,
supabase_config
)
}
logger.info(f"Created content generation job: {gen_job_id}")
# Create publishing job
pub_job_id = f"pub_{schedule_id}"
new_schedule[pub_job_id] = {
'task': 'celery_tasks.content_tasks.publish_post_task',
'schedule': crontab(
minute=publish_time['minute'],
hour=publish_time['hour'],
day_of_week=publish_time['day_of_week']
),
'args': (
schedule_id,
supabase_config
)
}
logger.info(f"Created publishing job: {pub_job_id}")
except Exception as e:
logger.error(f"Error creating jobs for schedule {schedule.get('id')}: {str(e)}")
# Update the beat schedule
current_app.conf.beat_schedule = new_schedule
logger.info("Updated Celery Beat schedule")
except Exception as e:
logger.error(f"Error loading schedules: {str(e)}")
def generate_content_job(schedule: dict, supabase_client):
"""
Job to generate content for a scheduled post.
This function is kept for backward compatibility but should be replaced with Celery tasks.
Args:
schedule (dict): Schedule data
supabase_client: Supabase client instance
"""
try:
schedule_id = schedule.get('id')
user_id = schedule.get('Social_network', {}).get('id_utilisateur')
if not user_id:
logger.warning(f"No user ID found for schedule {schedule_id}")
return
logger.info(f"Generating content for schedule {schedule_id}")
# Generate content using content service
content_service = ContentService()
generated_content = content_service.generate_post_content(user_id)
# Store generated content in database
social_account_id = schedule.get('id_social')
response = (
supabase_client
.table("Post_content")
.insert({
"social_account_id": social_account_id,
"Text_content": generated_content,
"is_published": False,
"sched": schedule_id
})
.execute()
)
if response.data:
logger.info(f"Content generated and stored for schedule {schedule_id}")
else:
logger.error(f"Failed to store generated content for schedule {schedule_id}")
except Exception as e:
logger.error(f"Error in content generation job for schedule {schedule.get('id')}: {str(e)}")
def publish_post_job(schedule: dict, supabase_client):
"""
Job to publish a scheduled post.
This function is kept for backward compatibility but should be replaced with Celery tasks.
Args:
schedule (dict): Schedule data
supabase_client: Supabase client instance
"""
try:
schedule_id = schedule.get('id')
logger.info(f"Publishing post for schedule {schedule_id}")
# Fetch the post to publish
response = (
supabase_client
.table("Post_content")
.select("*")
.eq("sched", schedule_id)
.eq("is_published", False)
.order("created_at", desc=True)
.limit(1)
.execute()
)
if not response.data:
logger.info(f"No unpublished posts found for schedule {schedule_id}")
return
post = response.data[0]
post_id = post.get('id')
text_content = post.get('Text_content')
image_url = post.get('image_content_url')
# Get social network credentials
access_token = schedule.get('Social_network', {}).get('token')
user_sub = schedule.get('Social_network', {}).get('sub')
if not access_token or not user_sub:
logger.error(f"Missing social network credentials for schedule {schedule_id}")
return
# Publish to LinkedIn
linkedin_service = LinkedInService()
publish_response = linkedin_service.publish_post(
access_token, user_sub, text_content, image_url
)
# Update post status in database
update_response = (
supabase_client
.table("Post_content")
.update({"is_published": True})
.eq("id", post_id)
.execute()
)
logger.info(f"Post published successfully for schedule {schedule_id}")
except Exception as e:
logger.error(f"Error in publishing job for schedule {schedule.get('id')}: {str(e)}") |