72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
"""
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MemoirImage 模型与 API 用 dict 的互转（与 schema.normalize_image_asset 字段一致）。
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"""
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from datetime import datetime
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from typing import Any
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from app.features.memoir.models import MemoirImage
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def _parse_optional_datetime(s: str | None):
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if not s:
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return None
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try:
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return datetime.fromisoformat(s.replace("Z", "+00:00"))
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except (ValueError, AttributeError):
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return None
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def memoir_image_to_dict(m: MemoirImage | None) -> dict[str, Any] | None:
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"""将 MemoirImage 转为前端/API 使用的单条图片 dict。"""
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if not m:
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return None
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d: dict[str, Any] = {
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"placeholder": m.placeholder or "",
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"description": m.description or "",
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"index": m.order_index,
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"status": m.status or "pending",
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"prompt": m.prompt,
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"url": m.url,
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"storage_key": m.storage_key,
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"provider": m.provider,
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"style": m.style,
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"size": m.size,
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"error": m.error,
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"retryable": m.retryable,
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"created_at": m.created_at.isoformat() if m.created_at else None,
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"updated_at": m.updated_at.isoformat() if m.updated_at else None,
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}
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return d
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def image_dict_to_row_kwargs(d: dict[str, Any] | None) -> dict[str, Any]:
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"""从单条图片 dict 提取可写入 MemoirImage 的字段（不含 id/chapter_id/order_index）。"""
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if not d or not isinstance(d, dict):
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return {}
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created = d.get("created_at")
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updated = d.get("updated_at")
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if isinstance(created, str):
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created = _parse_optional_datetime(created)
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elif not isinstance(created, datetime):
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created = None
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if isinstance(updated, str):
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updated = _parse_optional_datetime(updated)
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elif not isinstance(updated, datetime):
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updated = None
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return {
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"placeholder": d.get("placeholder") or None,
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"description": d.get("description") or None,
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"status": (d.get("status") or "pending").strip() or "pending",
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"prompt": d.get("prompt") or None,
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"url": d.get("url") or None,
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"storage_key": d.get("storage_key") or None,
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"provider": d.get("provider") or None,
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"style": d.get("style") or None,
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"size": d.get("size") or None,
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"error": d.get("error") or None,
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"retryable": d.get("retryable") if d.get("retryable") is not None else None,
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"created_at": created,
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"updated_at": updated,
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}
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