Implement an organizer customer account and fee system | Task management

[lcduong]

This PR is part of issue #383

Apply django-celery-beat to manage tasks, this PR implement:

• Migration file to init tasks for billing invoice which listed in this PR Implement schedule task to collect billing invoice #417 (instead of save in settings file, we use django-celery-beat to save in database)
• /control/admin/task_management for manage all tasks, Admin can view all scheduled tasks in the systems and able to enable/disable it.

• Move Event to non public after 30 days failed invoice retry

Summary by Sourcery

Implement a task management system for administrators and refactor billing tasks to use 'django-celery-beat' for better task scheduling and management.

New Features:

• Introduce a task management system for administrators to view and manage scheduled tasks, including enabling and disabling them.

Enhancements:

• Refactor billing-related tasks to use the 'scopes_disabled' context manager for database operations, improving error handling and task execution.

Build:

• Integrate 'django-celery-beat' for managing periodic tasks in the database instead of settings files.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR implements a task management system using django-celery-beat to handle scheduled tasks, particularly focusing on billing-related operations. The implementation moves task scheduling from static settings to a database-backed system and adds an admin interface for managing these tasks.

Class diagram for Task Management System

classDiagram
    class TaskList {
        +template_name
        +context_object_name
        +model
        +filter_form()
        +get_queryset()
        +process_task_data(task)
        +get_context_data(**kwargs)
        +post(request, *args, **kwargs)
    }
    class TaskFilterForm {
        +name
        +status
        +filter_qs(qs)
    }
    class PeriodicTask {
        +name
        +task
        +crontab
    }
    class CrontabSchedule {
        +day_of_month
        +hour
        +minute
    }
    TaskList --> TaskFilterForm
    TaskList --> PeriodicTask
    PeriodicTask --> CrontabSchedule

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File-Level Changes

Change	Details	Files
Refactored billing tasks to use database-backed scheduling with django-celery-beat	Removed static CELERY_BEAT_SCHEDULE configuration from settings Added migration to initialize billing-related scheduled tasks in the database Added django-celery-beat and cron-descriptor as project dependencies Wrapped database operations in billing tasks with scopes_disabled() for better performance	src/pretix/settings.py src/pretix/plugins/scheduledtasks/migrations/init_scheduled_tasks.py src/pretix/eventyay_common/tasks.py pyproject.toml
Implemented an admin interface for task management	Created a new TaskList view for managing scheduled tasks Added task filtering functionality by name and status Implemented UI for enabling/disabling tasks Added task management to admin navigation	src/pretix/control/views/admin.py src/pretix/control/forms/filter.py src/pretix/control/templates/pretixcontrol/admin/task_management/task_management.html src/pretix/static/task_management/js/task_management.js src/pretix/control/navigation.py src/pretix/control/urls.py

Possibly linked issues

• Implement an organizer customer account and fee system #383: PR implements billing tasks related to the issue's account and fee system requirements.
• Implement an organizer customer account and fee system #383: PR refactors billing tasks and introduces task management, aligning with invoice automation in the issue.

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[sourcery-ai]

Hey @lcduong - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sourcery-ai]

Hey @lcduong - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider scoping the use of scopes_disabled() more narrowly to just the specific database queries that need it, rather than wrapping entire functions. The current broad usage could impact performance at scale.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

---

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_{Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.}