39 lines
1.6 KiB
Python
39 lines
1.6 KiB
Python
"""修改范围及后续能力需求，由需求按规则推导，不调用模型"""
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from typing import Literal, Self
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from pydantic import Field
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from app.schemas.base import ExtensibleModel, NonBlankString
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from app.schemas.operations import is_screen_wide, requires_planning
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from app.schemas.requirement import Requirement
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class ChangeScope(ExtensibleModel):
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scope: Literal["local", "screen"] = Field(
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description="local=只能改动 target_ids 中的已有组件；screen=整体调整，可涉及任意已有组件"
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)
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target_ids: list[NonBlankString] = Field(
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default_factory=list, description="需求明确指定的已有组件 ID，新增内容和画布属性可为空"
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)
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needs_planning: bool = Field(description="是否需要布局、组件组合或设计规划")
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@classmethod
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def from_requirement(cls, requirement: Requirement) -> Self:
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"""范围和是否规划都由需求变更决定，规则集中在 operations"""
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changes = requirement.changes
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return cls(
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scope=(
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"screen"
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if any(is_screen_wide(c.target_scope, c.operation) for c in changes)
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else "local"
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),
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# 保持需求中的出现顺序并去重
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target_ids=list(
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dict.fromkeys(node_id for c in changes for node_id in c.target_ids)
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),
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# 新建大屏总是先规划；修改大屏时按操作能力判断
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needs_planning=requirement.intent == "create_screen"
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or any(requires_planning(c.target_scope, c.operation) for c in changes),
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)
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