Files
ALwrity/backend/models/youtube_task_models.py

63 lines
2.2 KiB
Python

"""
YouTube Video Task Models
Database models for persistent tracking of YouTube video render,
combine, and publish tasks. Replaces the in-memory dict approach
so tasks survive server restarts.
"""
import enum
from datetime import datetime, timezone
from sqlalchemy import Column, Integer, String, DateTime, JSON, Text, Float, Enum, Index
from models.subscription_models import Base
class YouTubeTaskType(enum.Enum):
RENDER = "render"
SCENE_RENDER = "scene_render"
COMBINE = "combine"
PUBLISH = "publish"
IMAGE_GENERATION = "image_generation"
AUDIO_GENERATION = "audio_generation"
class YouTubeTaskStatus(enum.Enum):
PENDING = "pending"
PROCESSING = "processing"
COMPLETED = "completed"
FAILED = "failed"
class YouTubeVideoTask(Base):
"""
Persistent task tracking for YouTube Creator operations.
Stores task state in PostgreSQL so that in-progress renders,
combines, and publishes survive server restarts. The frontend
can resume polling after a restart and recover results.
"""
__tablename__ = "youtube_video_tasks"
id = Column(Integer, primary_key=True, autoincrement=True)
task_id = Column(String(36), unique=True, nullable=False, index=True)
user_id = Column(String(255), nullable=False, index=True)
task_type = Column(Enum(YouTubeTaskType), nullable=False, default=YouTubeTaskType.RENDER)
status = Column(Enum(YouTubeTaskStatus), nullable=False, default=YouTubeTaskStatus.PENDING)
progress = Column(Float, default=0.0)
message = Column(String(500), nullable=True)
request_data = Column(JSON, nullable=True)
result = Column(JSON, nullable=True)
error = Column(Text, nullable=True)
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), nullable=False)
updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc), nullable=False)
completed_at = Column(DateTime, nullable=True)
__table_args__ = (
Index('idx_youtube_task_user_status', 'user_id', 'status'),
Index('idx_youtube_task_user_type', 'user_id', 'task_type'),
Index('idx_youtube_task_created', 'created_at'),
)