celery_tasks.py

        
            
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            import time
        
            
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            from celery import shared_task
        
            
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            from app import db
        
            
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            from models import *
        
            
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            from smtplib import SMTP
        
            
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            import config
        
            
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            @shared_task(ignore_result=False)
        
            
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            def send_notification(notification_id, users, level):
        
            
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                notification = db.session.get(Notification, notification_id)
        
            
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                for user in users:
        
            
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                    db.session.add(UserNotification(db.session.get(User, user), notification, level))
        
            
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                db.session.commit()
        
            
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                return 0                    # notification sent successfully
        
            
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