31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
"""AI 教师：基于题目讲解与知识点状态生成即时反馈。
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当前为本地规则式实现，不依赖外部模型：能够给出“为什么对/为什么错”的
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讲解与后续建议；若配置了 OPENAI_API_KEY，可在此基础上扩展为真实模型调用。
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"""
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from __future__ import annotations
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from models import Question, UserKnowledge
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from services.mastery_engine import action_for
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def explain(
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question: Question,
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selected: int,
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correct: bool,
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knowledge: UserKnowledge | None,
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) -> str:
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head = "回答正确。" if correct else "回答错误。"
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base = question.explanation or "结合定义与图像性质重新判断。"
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mastery_hint = ""
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if knowledge is not None:
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mastery_hint = (
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f" 该知识点当前掌握度为 {knowledge.mastery}%，"
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f"建议{action_for(knowledge.mastery)}。"
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)
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if correct:
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return f"{head} 考点「{question.knowledge_name}」：{base}{mastery_hint}"
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return f"{head} 你选择了选项 {chr(65 + selected)}。正确思路：{base}{mastery_hint}"
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