486 lines
18 KiB
Python
486 lines
18 KiB
Python
"""
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Shot Soft Deletion Service
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This service handles the soft deletion of shots and all related data including:
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- Tasks associated with the shot
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- Submissions for those tasks
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- Production notes for those tasks
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- Task attachments for those tasks
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- Reviews for those submissions
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All operations are performed within database transactions to ensure atomicity.
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"""
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from datetime import datetime
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from typing import List, Dict, Any, Optional
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from sqlalchemy.orm import Session
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy import func
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import sys
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import os
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from models.shot import Shot
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from models.task import Task, Submission, Review, ProductionNote, TaskAttachment
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from models.user import User
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from models.activity import Activity, ActivityType
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from utils.activity import ActivityService
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class DeletionInfo:
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"""Information about what will be deleted when a shot is soft deleted."""
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def __init__(self):
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self.shot_id: int = 0
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self.shot_name: str = ""
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self.episode_name: str = ""
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self.project_id: int = 0
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self.project_name: str = ""
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# Counts of items that will be marked as deleted
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self.task_count: int = 0
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self.submission_count: int = 0
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self.attachment_count: int = 0
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self.note_count: int = 0
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self.review_count: int = 0
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# File information (preserved, not deleted)
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self.total_file_size: int = 0
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self.file_count: int = 0
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# Affected users
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self.affected_users: List[Dict[str, Any]] = []
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# Timestamps
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self.last_activity_date: Optional[str] = None
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self.created_at: str = ""
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class DeletionResult:
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"""Result of a shot soft deletion operation."""
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def __init__(self):
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self.success: bool = False
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self.shot_id: int = 0
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self.shot_name: str = ""
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# Database update results
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self.marked_deleted_tasks: int = 0
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self.marked_deleted_submissions: int = 0
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self.marked_deleted_attachments: int = 0
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self.marked_deleted_notes: int = 0
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self.marked_deleted_reviews: int = 0
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# Timing
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self.operation_duration: float = 0.0
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self.deleted_at: str = ""
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self.deleted_by: int = 0
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# Errors
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self.errors: List[str] = []
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self.warnings: List[str] = []
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class ShotSoftDeletionService:
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"""Service for handling shot soft deletion operations."""
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def __init__(self):
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self.activity_service = ActivityService()
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def get_deletion_info(self, shot_id: int, db: Session) -> Optional[DeletionInfo]:
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"""
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Get information about what will be deleted when a shot is soft deleted.
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Args:
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shot_id: ID of the shot to analyze
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db: Database session
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Returns:
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DeletionInfo object with counts and affected users, or None if shot not found
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"""
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try:
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# Get the shot (only if not already deleted)
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shot = db.query(Shot).filter(
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Shot.id == shot_id,
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Shot.deleted_at.is_(None)
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).first()
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if not shot:
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return None
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info = DeletionInfo()
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info.shot_id = shot.id
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info.shot_name = shot.name
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info.episode_name = shot.episode.name if shot.episode else ""
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info.project_id = shot.project_id
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info.project_name = shot.project.name if shot.project else ""
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info.created_at = shot.created_at.isoformat() if shot.created_at else ""
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# Get all active tasks for this shot
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tasks = db.query(Task).filter(
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Task.shot_id == shot_id,
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Task.deleted_at.is_(None)
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).all()
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info.task_count = len(tasks)
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if not tasks:
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return info
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task_ids = [task.id for task in tasks]
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# Count submissions
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submissions = db.query(Submission).filter(
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Submission.task_id.in_(task_ids),
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Submission.deleted_at.is_(None)
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).all()
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info.submission_count = len(submissions)
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# Count attachments and calculate file sizes
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attachments = db.query(TaskAttachment).filter(
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TaskAttachment.task_id.in_(task_ids),
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TaskAttachment.deleted_at.is_(None)
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).all()
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info.attachment_count = len(attachments)
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info.file_count = len(attachments) + len(submissions)
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info.total_file_size = sum(att.file_size for att in attachments if att.file_size)
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# Count production notes
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notes = db.query(ProductionNote).filter(
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ProductionNote.task_id.in_(task_ids),
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ProductionNote.deleted_at.is_(None)
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).all()
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info.note_count = len(notes)
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# Count reviews
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if submissions:
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submission_ids = [sub.id for sub in submissions]
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reviews = db.query(Review).filter(
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Review.submission_id.in_(submission_ids),
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Review.deleted_at.is_(None)
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).all()
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info.review_count = len(reviews)
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# Get affected users
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info.affected_users = self._get_affected_users(tasks, submissions, notes, db)
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# Get last activity date
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info.last_activity_date = self._get_last_activity_date(shot_id, task_ids, db)
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return info
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except SQLAlchemyError as e:
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raise Exception(f"Database error while getting deletion info: {str(e)}")
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def soft_delete_shot_cascade(self, shot_id: int, db: Session, current_user: User) -> DeletionResult:
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"""
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Perform cascading soft deletion of a shot and all related data.
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Args:
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shot_id: ID of the shot to soft delete
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db: Database session
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current_user: User performing the deletion
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Returns:
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DeletionResult with operation details
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"""
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start_time = datetime.utcnow()
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result = DeletionResult()
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result.shot_id = shot_id
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result.deleted_by = current_user.id
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try:
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# Get the shot (only if not already deleted)
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shot = db.query(Shot).filter(
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Shot.id == shot_id,
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Shot.deleted_at.is_(None)
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).first()
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if not shot:
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result.errors.append("Shot not found or already deleted")
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return result
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result.shot_name = shot.name
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deleted_at = datetime.utcnow()
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result.deleted_at = deleted_at.isoformat()
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# Get deletion info for logging
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deletion_info = self.get_deletion_info(shot_id, db)
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# Mark related data as deleted
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self._mark_related_data_deleted(shot_id, db, current_user, deleted_at, result)
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# Mark the shot as deleted
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shot.deleted_at = deleted_at
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shot.deleted_by = current_user.id
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db.flush()
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# Log the deletion activity
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self._log_shot_deletion(shot, current_user, deletion_info, db)
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result.success = True
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except SQLAlchemyError as e:
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result.errors.append(f"Database error during deletion: {str(e)}")
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except Exception as e:
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result.errors.append(f"Unexpected error during deletion: {str(e)}")
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# Calculate operation duration
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end_time = datetime.utcnow()
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result.operation_duration = (end_time - start_time).total_seconds()
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return result
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def _mark_related_data_deleted(self, shot_id: int, db: Session, current_user: User,
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deleted_at: datetime, result: DeletionResult) -> None:
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"""
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Mark all data related to a shot as deleted.
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Args:
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shot_id: ID of the shot
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db: Database session
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current_user: User performing the deletion
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deleted_at: Timestamp for deletion
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result: DeletionResult to update with counts
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"""
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# Get all active tasks for this shot
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tasks = db.query(Task).filter(
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Task.shot_id == shot_id,
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Task.deleted_at.is_(None)
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).all()
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if not tasks:
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return
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task_ids = [task.id for task in tasks]
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# Mark tasks as deleted
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task_update_count = db.query(Task).filter(
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Task.shot_id == shot_id,
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Task.deleted_at.is_(None)
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).update({
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Task.deleted_at: deleted_at,
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Task.deleted_by: current_user.id
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}, synchronize_session=False)
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result.marked_deleted_tasks = task_update_count
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# Mark submissions as deleted
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submission_update_count = db.query(Submission).filter(
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Submission.task_id.in_(task_ids),
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Submission.deleted_at.is_(None)
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).update({
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Submission.deleted_at: deleted_at,
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Submission.deleted_by: current_user.id
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}, synchronize_session=False)
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result.marked_deleted_submissions = submission_update_count
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# Mark attachments as deleted
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attachment_update_count = db.query(TaskAttachment).filter(
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TaskAttachment.task_id.in_(task_ids),
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TaskAttachment.deleted_at.is_(None)
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).update({
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TaskAttachment.deleted_at: deleted_at,
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TaskAttachment.deleted_by: current_user.id
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}, synchronize_session=False)
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result.marked_deleted_attachments = attachment_update_count
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# Mark production notes as deleted
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note_update_count = db.query(ProductionNote).filter(
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ProductionNote.task_id.in_(task_ids),
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ProductionNote.deleted_at.is_(None)
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).update({
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ProductionNote.deleted_at: deleted_at,
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ProductionNote.deleted_by: current_user.id
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}, synchronize_session=False)
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result.marked_deleted_notes = note_update_count
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# Mark reviews as deleted (for submissions that belong to these tasks)
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# First get submission IDs
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submission_ids = [sub.id for sub in db.query(Submission.id).filter(
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Submission.task_id.in_(task_ids)
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).all()]
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if submission_ids:
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review_update_count = db.query(Review).filter(
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Review.submission_id.in_(submission_ids),
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Review.deleted_at.is_(None)
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).update({
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Review.deleted_at: deleted_at,
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Review.deleted_by: current_user.id
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}, synchronize_session=False)
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result.marked_deleted_reviews = review_update_count
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db.flush()
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def _get_affected_users(self, tasks: List[Task], submissions: List[Submission],
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notes: List[ProductionNote], db: Session) -> List[Dict[str, Any]]:
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"""
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Get list of users affected by the shot deletion.
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Args:
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tasks: List of tasks that will be deleted
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submissions: List of submissions that will be deleted
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notes: List of production notes that will be deleted
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db: Database session
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Returns:
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List of affected user information
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"""
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user_data = {}
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# Collect user IDs and their involvement
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for task in tasks:
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if task.assigned_user_id:
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if task.assigned_user_id not in user_data:
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user_data[task.assigned_user_id] = {
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'task_count': 0,
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'submission_count': 0,
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'note_count': 0,
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'last_activity_date': None
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}
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user_data[task.assigned_user_id]['task_count'] += 1
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if task.updated_at:
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current_date = user_data[task.assigned_user_id]['last_activity_date']
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if not current_date or task.updated_at > current_date:
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user_data[task.assigned_user_id]['last_activity_date'] = task.updated_at
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for submission in submissions:
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if submission.user_id not in user_data:
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user_data[submission.user_id] = {
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'task_count': 0,
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'submission_count': 0,
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'note_count': 0,
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'last_activity_date': None
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}
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user_data[submission.user_id]['submission_count'] += 1
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if submission.submitted_at:
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current_date = user_data[submission.user_id]['last_activity_date']
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if not current_date or submission.submitted_at > current_date:
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user_data[submission.user_id]['last_activity_date'] = submission.submitted_at
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for note in notes:
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if note.user_id not in user_data:
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user_data[note.user_id] = {
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'task_count': 0,
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'submission_count': 0,
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'note_count': 0,
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'last_activity_date': None
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}
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user_data[note.user_id]['note_count'] += 1
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if note.updated_at:
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current_date = user_data[note.user_id]['last_activity_date']
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if not current_date or note.updated_at > current_date:
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user_data[note.user_id]['last_activity_date'] = note.updated_at
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# Get user details
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affected_users = []
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if user_data:
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users = db.query(User).filter(User.id.in_(user_data.keys())).all()
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for user in users:
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data = user_data[user.id]
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affected_users.append({
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'id': user.id,
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'name': f"{user.first_name} {user.last_name}",
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'email': user.email,
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'role': user.role,
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'task_count': data['task_count'],
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'submission_count': data['submission_count'],
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'note_count': data['note_count'],
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'last_activity_date': data['last_activity_date'].isoformat() if data['last_activity_date'] else None
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})
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return affected_users
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def _get_last_activity_date(self, shot_id: int, task_ids: List[int], db: Session) -> Optional[str]:
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"""
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Get the most recent activity date for the shot and its tasks.
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Args:
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shot_id: ID of the shot
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task_ids: List of task IDs
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db: Database session
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Returns:
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ISO formatted date string of last activity, or None
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"""
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try:
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# Get the most recent activity from various sources
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dates = []
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# Shot updated_at
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shot = db.query(Shot.updated_at).filter(Shot.id == shot_id).first()
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if shot and shot.updated_at:
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dates.append(shot.updated_at)
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if task_ids:
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# Task updated_at
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task_dates = db.query(func.max(Task.updated_at)).filter(
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Task.id.in_(task_ids)
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).scalar()
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if task_dates:
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dates.append(task_dates)
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# Submission submitted_at
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submission_dates = db.query(func.max(Submission.submitted_at)).filter(
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Submission.task_id.in_(task_ids)
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).scalar()
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if submission_dates:
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dates.append(submission_dates)
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# Production note updated_at
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note_dates = db.query(func.max(ProductionNote.updated_at)).filter(
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ProductionNote.task_id.in_(task_ids)
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).scalar()
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if note_dates:
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dates.append(note_dates)
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if dates:
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return max(dates).isoformat()
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return None
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except SQLAlchemyError:
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return None
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def _log_shot_deletion(self, shot: Shot, current_user: User, deletion_info: Optional[DeletionInfo], db: Session) -> None:
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"""
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Log the shot deletion activity.
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Args:
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shot: The shot that was deleted
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current_user: User who performed the deletion
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deletion_info: Information about what was deleted
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db: Database session
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"""
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try:
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# Create activity record
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activity = Activity(
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type=ActivityType.SHOT_UPDATED, # We'll use SHOT_UPDATED for now, could add SHOT_DELETED later
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user_id=current_user.id,
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project_id=shot.project_id,
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shot_id=shot.id,
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description=f"Shot '{shot.name}' was deleted by {current_user.first_name} {current_user.last_name}",
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activity_metadata={
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'action': 'soft_delete',
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'shot_name': shot.name,
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'episode_name': shot.episode.name if shot.episode else None,
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'project_id': shot.project_id,
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'project_name': shot.project.name if shot.project else None,
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'deleted_counts': {
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'tasks': deletion_info.task_count if deletion_info else 0,
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'submissions': deletion_info.submission_count if deletion_info else 0,
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'attachments': deletion_info.attachment_count if deletion_info else 0,
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'notes': deletion_info.note_count if deletion_info else 0,
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'reviews': deletion_info.review_count if deletion_info else 0
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},
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'affected_users_count': len(deletion_info.affected_users) if deletion_info else 0
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}
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)
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db.add(activity)
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db.flush()
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except SQLAlchemyError as e:
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# Don't fail the deletion if logging fails, just add a warning
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pass |