34 lines
1.3 KiB
Python
34 lines
1.3 KiB
Python
"""精确更新组件名称，或 props / style 下的一个字段"""
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from typing import Annotated, Literal, Self
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from pydantic import Field, JsonValue, model_validator
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from app.schemas.base import NonBlankString
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from .base import BaseAction
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PathSegment = NonBlankString | Annotated[int, Field(ge=0)]
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class UpdateAction(BaseAction):
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type: Literal["update"] = "update"
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section: Literal["name", "props", "style"] = Field(
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description="字段路径的第一段：name 为组件名称，props / style 为组件属性区域"
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)
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path: list[PathSegment] = Field(
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description="字段路径第一段之后的各段，字符串为对象键，整数为数组下标；name 没有后续路径，传空列表"
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)
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value: JsonValue = Field(description="替换该字段的值，必须符合字段定义的类型和取值")
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@model_validator(mode="after")
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def path_matches_section(self) -> Self:
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if (self.section == "name") != (not self.path):
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raise ValueError("section 为 name 时 path 为空，props / style 至少一段路径")
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return self
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@property
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def field_path(self) -> str:
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"""与物料字段定义一致的点路径，例如 props.option.title.text"""
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return ".".join([self.section, *map(str, self.path)])
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