生成记录接口兼容图片类型|CHAT对话生成视频/图片任务API+celery异步模块完成

2026-05-27 13:11:55 +08:00
parent d61dcdc8db
commit b8eda53c0b
30 changed files with 3392 additions and 45 deletions
@@ -0,0 +1,64 @@
+from datetime import datetime
+
+from sqlalchemy import DateTime, Float, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.models.base import Base, TimestampMixin
+
+
+class ChatGenerationTask(Base, TimestampMixin):
+    """Project-independent AI chat/image/video generation task.
+
+    This table is intentionally NOT linked to projects.  It is used by the
+    /generation-ai Celery pipeline so chat-style generation does not touch the
+    legacy generation_records -> projects foreign-key chain.
+    """
+
+    __tablename__ = "chat_generation_tasks"
+
+    id: Mapped[str] = mapped_column(String(32), primary_key=True)
+    user_id: Mapped[str] = mapped_column(
+        String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True, nullable=False
+    )
+
+    original_prompt: Mapped[str] = mapped_column(Text, nullable=False)
+    optimized_prompt: Mapped[str | None] = mapped_column(Text, nullable=True)
+    gen_type: Mapped[str] = mapped_column(String(16), default="video", index=True)
+
+    duration: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    aspect_ratio: Mapped[str | None] = mapped_column(String(8), nullable=True)
+    resolution: Mapped[str | None] = mapped_column(String(8), nullable=True)
+    image_size: Mapped[str | None] = mapped_column(String(16), nullable=True)
+    image_proportion: Mapped[str | None] = mapped_column(String(8), nullable=True)
+    image_px: Mapped[str | None] = mapped_column(String(16), nullable=True)
+
+    status: Mapped[str] = mapped_column(String(32), default="generating", index=True)
+    pipeline_stage: Mapped[str | None] = mapped_column(String(32), nullable=True, index=True)
+    generation_mode: Mapped[str] = mapped_column(String(32), default="chatapi_async", index=True)
+
+    media_references: Mapped[str | None] = mapped_column(Text, nullable=True)
+    provider_task_id: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+    # Kept as alias-compatible storage for existing frontend/service naming.
+    seedance_task_id: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+
+    remote_result_url: Mapped[str | None] = mapped_column(Text, nullable=True)
+    image_url: Mapped[str | None] = mapped_column(String(512), nullable=True)
+    video_url: Mapped[str | None] = mapped_column(String(512), nullable=True)
+
+    engine_id: Mapped[str | None] = mapped_column(String(32), nullable=True, index=True)
+    engine_snapshot_json: Mapped[str | None] = mapped_column(Text, nullable=True)
+    provider_response_json: Mapped[str | None] = mapped_column(Text, nullable=True)
+
+    credits_cost: Mapped[float] = mapped_column(Float, default=0.0)
+    text_credits_cost: Mapped[float] = mapped_column(Float, default=0.0)
+    text_tokens_used: Mapped[int] = mapped_column(Integer, default=0)
+    video_tokens_used: Mapped[int] = mapped_column(Integer, default=0)
+    image_tokens_used: Mapped[int] = mapped_column(Integer, default=0)
+
+    retry_count: Mapped[int] = mapped_column(Integer, default=0)
+    poll_count: Mapped[int] = mapped_column(Integer, default=0)
+    last_poll_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    deadline_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    generated_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
+    idempotency_key: Mapped[str | None] = mapped_column(String(64), nullable=True, index=True)