606 lines
27 KiB
Python
606 lines
27 KiB
Python
"""自动角色引入服务 - 在续写大纲时根据剧情推进自动引入新角色"""
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from typing import List, Dict, Any, Optional, Callable, Awaitable
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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import json
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from app.models.character import Character
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from app.models.relationship import CharacterRelationship, Organization, OrganizationMember, RelationshipType
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from app.models.project import Project
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from app.services.ai_service import AIService
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from app.services.prompt_service import PromptService
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from app.logger import get_logger
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logger = get_logger(__name__)
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class AutoCharacterService:
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"""自动角色引入服务"""
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def __init__(self, ai_service: AIService):
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self.ai_service = ai_service
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async def analyze_and_create_characters(
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self,
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project_id: str,
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outline_content: str,
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existing_characters: List[Character],
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db: AsyncSession,
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user_id: str = None,
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enable_mcp: bool = True,
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all_chapters_brief: str = "",
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start_chapter: int = 1,
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chapter_count: int = 3,
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plot_stage: str = "发展",
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story_direction: str = "继续推进主线剧情",
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preview_only: bool = False,
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progress_callback: Optional[Callable[[str], Awaitable[None]]] = None
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) -> Dict[str, Any]:
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"""
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预测性分析并创建需要的新角色(方案A:先角色后大纲)
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Args:
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project_id: 项目ID
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outline_content: 当前批次大纲内容(用于向后兼容,实际不使用)
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existing_characters: 现有角色列表
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db: 数据库会话
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user_id: 用户ID(用于MCP和自定义提示词)
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enable_mcp: 是否启用MCP增强
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all_chapters_brief: 已有章节概览
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start_chapter: 起始章节号
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chapter_count: 续写章节数
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plot_stage: 剧情阶段
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story_direction: 故事发展方向
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preview_only: 仅预测不创建(用于角色确认机制)
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Returns:
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{
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"new_characters": [角色对象列表], # preview_only=True时为空
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"relationships_created": [关系对象列表], # preview_only=True时为空
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"character_count": 新增角色数量,
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"analysis_result": AI分析结果,
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"predicted_characters": [预测的角色数据] # 仅preview_only=True时返回
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"needs_new_characters": bool,
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"reason": str
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}
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"""
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logger.info(f"🎭 【方案A】预测性分析:检测是否需要引入新角色...")
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logger.info(f" - 项目ID: {project_id}")
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logger.info(f" - 续写计划: 第{start_chapter}章起,共{chapter_count}章")
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logger.info(f" - 剧情阶段: {plot_stage}")
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logger.info(f" - 发展方向: {story_direction}")
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logger.info(f" - 现有角色数: {len(existing_characters)}")
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# 1. 获取项目信息
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project_result = await db.execute(
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select(Project).where(Project.id == project_id)
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)
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project = project_result.scalar_one_or_none()
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if not project:
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raise ValueError("项目不存在")
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# 2. 构建现有角色信息摘要
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existing_chars_summary = self._build_character_summary(existing_characters)
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# 3. AI预测性分析是否需要新角色
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analysis_result = await self._analyze_character_needs(
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project=project,
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outline_content=outline_content, # 保留参数向后兼容
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existing_chars_summary=existing_chars_summary,
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db=db,
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user_id=user_id,
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enable_mcp=enable_mcp,
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all_chapters_brief=all_chapters_brief,
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start_chapter=start_chapter,
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chapter_count=chapter_count,
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plot_stage=plot_stage,
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story_direction=story_direction
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)
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# 4. 判断是否需要创建角色
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if not analysis_result or not analysis_result.get("needs_new_characters"):
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logger.info("✅ AI判断:当前剧情不需要引入新角色")
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return {
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"new_characters": [],
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"relationships_created": [],
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"character_count": 0,
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"analysis_result": analysis_result,
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"predicted_characters": [],
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"needs_new_characters": False,
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"reason": analysis_result.get("reason", "当前剧情不需要新角色")
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}
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# 5. 如果是预览模式,仅返回预测结果,不创建角色
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if preview_only:
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character_specs = analysis_result.get("character_specifications", [])
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logger.info(f"🔮 预览模式:预测到 {len(character_specs)} 个角色,不创建数据库记录")
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return {
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"new_characters": [],
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"relationships_created": [],
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"character_count": 0,
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"analysis_result": analysis_result,
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"predicted_characters": character_specs,
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"needs_new_characters": True,
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"reason": analysis_result.get("reason", "预测需要新角色")
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}
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# 6. 批量生成新角色(非预览模式)
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new_characters = []
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relationships_created = []
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character_specs = analysis_result.get("character_specifications", [])
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logger.info(f"🎯 AI建议引入 {len(character_specs)} 个新角色")
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for idx, spec in enumerate(character_specs):
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try:
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spec_name = spec.get('name', spec.get('role_description', '未命名'))
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logger.info(f" [{idx+1}/{len(character_specs)}] 生成角色规格: {spec_name}")
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logger.debug(f" 角色规格内容: {json.dumps(spec, ensure_ascii=False)}")
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if progress_callback:
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await progress_callback(f"🎨 [{idx+1}/{len(character_specs)}] 生成角色详情: {spec_name}")
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# 生成角色详细信息
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character_data = await self._generate_character_details(
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spec=spec,
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project=project,
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existing_characters=existing_characters + new_characters, # 包含新创建的
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db=db,
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user_id=user_id,
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enable_mcp=enable_mcp
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)
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logger.debug(f" AI生成的角色数据: {json.dumps(character_data, ensure_ascii=False)[:200]}")
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if progress_callback:
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await progress_callback(f"💾 [{idx+1}/{len(character_specs)}] 保存角色: {character_data.get('name', spec_name)}")
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# 创建角色记录
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character = await self._create_character_record(
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project_id=project_id,
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character_data=character_data,
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db=db
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)
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new_characters.append(character)
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logger.info(f" ✅ 创建新角色: {character.name} ({character.role_type}), ID: {character.id}")
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if progress_callback:
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await progress_callback(f"✅ [{idx+1}/{len(character_specs)}] 角色创建成功: {character.name}")
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# 建立关系(兼容两种字段名)
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relationships_data = character_data.get("relationships") or character_data.get("relationships_array", [])
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logger.info(f" 🔍 检查关系数据:")
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logger.info(f" - relationships字段: {character_data.get('relationships')}")
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logger.info(f" - relationships_array字段: {character_data.get('relationships_array')}")
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logger.info(f" - 最终使用的数据: {relationships_data}")
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logger.info(f" - 关系数量: {len(relationships_data) if relationships_data else 0}")
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if relationships_data:
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logger.info(f" 🔗 开始创建 {len(relationships_data)} 条关系...")
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for idx, rel in enumerate(relationships_data):
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logger.info(f" [{idx+1}] {rel.get('target_character_name')} - {rel.get('relationship_type')}")
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if progress_callback:
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await progress_callback(f"🔗 [{idx+1}/{len(character_specs)}] 建立 {len(relationships_data)} 个关系")
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else:
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logger.warning(f" ⚠️ AI返回的角色数据中没有关系信息!")
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logger.warning(f" 完整的character_data keys: {list(character_data.keys())}")
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rels = await self._create_relationships(
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new_character=character,
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relationship_specs=relationships_data,
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existing_characters=existing_characters + new_characters,
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project_id=project_id,
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db=db
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)
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relationships_created.extend(rels)
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logger.info(f" ✅ 实际创建了 {len(rels)} 条关系记录")
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except Exception as e:
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logger.error(f" ❌ 创建角色失败: {e}", exc_info=True)
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continue
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# 7. 提交事务(注意:这里只flush,让调用方commit)
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await db.flush()
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logger.info(f"🎉 自动角色引入完成: 新增{len(new_characters)}个角色, {len(relationships_created)}条关系")
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return {
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"new_characters": new_characters,
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"relationships_created": relationships_created,
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"character_count": len(new_characters),
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"analysis_result": analysis_result
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}
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def _build_character_summary(self, characters: List[Character]) -> str:
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"""构建现有角色摘要"""
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if not characters:
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return "暂无角色"
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summary = []
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for char in characters:
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char_type = "组织" if char.is_organization else "角色"
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role_desc = char.role_type or "未知"
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personality = (char.personality or "")[:50]
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summary.append(f"- {char.name} ({char_type}, {role_desc}): {personality}")
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return "\n".join(summary[:20]) # 最多显示20个
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async def _analyze_character_needs(
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self,
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project: Project,
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outline_content: str,
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existing_chars_summary: str,
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db: AsyncSession,
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user_id: str,
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enable_mcp: bool,
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all_chapters_brief: str = "",
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start_chapter: int = 1,
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chapter_count: int = 3,
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plot_stage: str = "发展",
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story_direction: str = "继续推进主线剧情"
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) -> Dict[str, Any]:
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"""AI预测性分析是否需要新角色(方案A)"""
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# 构建分析提示词
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template = await PromptService.get_template(
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"AUTO_CHARACTER_ANALYSIS",
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user_id,
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db
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)
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# 使用新的预测性分析参数
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prompt = PromptService.format_prompt(
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template,
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title=project.title,
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theme=project.theme or "未设定",
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genre=project.genre or "未设定",
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time_period=project.world_time_period or "未设定",
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location=project.world_location or "未设定",
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atmosphere=project.world_atmosphere or "未设定",
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existing_characters=existing_chars_summary,
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all_chapters_brief=all_chapters_brief,
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start_chapter=start_chapter,
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chapter_count=chapter_count,
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plot_stage=plot_stage,
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story_direction=story_direction
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)
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try:
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# 使用统一的JSON调用方法(支持自动MCP工具加载)
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analysis = await self.ai_service.call_with_json_retry(
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prompt=prompt,
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max_retries=3,
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)
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logger.info(f" ✅ AI分析完成: needs_new_characters={analysis.get('needs_new_characters')}")
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return analysis
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except json.JSONDecodeError as e:
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logger.error(f" ❌ 角色需求分析JSON解析失败: {e}")
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return {"needs_new_characters": False}
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except Exception as e:
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logger.error(f" ❌ 角色需求分析失败: {e}")
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return {"needs_new_characters": False}
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async def _generate_character_details(
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self,
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spec: Dict[str, Any],
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project: Project,
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existing_characters: List[Character],
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db: AsyncSession,
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user_id: str,
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enable_mcp: bool
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) -> Dict[str, Any]:
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"""生成角色详细信息"""
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# 🎯 获取项目职业列表
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from app.models.career import Career
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careers_result = await db.execute(
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select(Career)
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.where(Career.project_id == project.id)
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.order_by(Career.type, Career.name)
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)
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careers = careers_result.scalars().all()
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# 构建职业信息摘要(包含最高阶段信息)
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careers_info = ""
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if careers:
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main_careers = [c for c in careers if c.type == 'main']
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sub_careers = [c for c in careers if c.type == 'sub']
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if main_careers:
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careers_info += "\n\n可用主职业列表(请在career_info中填写职业名称和阶段):\n"
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for career in main_careers:
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careers_info += f"- 名称: {career.name}, 最高阶段: {career.max_stage}阶"
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if career.description:
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careers_info += f", 描述: {career.description[:50]}"
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careers_info += "\n"
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if sub_careers:
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careers_info += "\n可用副职业列表(请在career_info中填写职业名称和阶段):\n"
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for career in sub_careers[:5]:
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careers_info += f"- 名称: {career.name}, 最高阶段: {career.max_stage}阶"
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if career.description:
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careers_info += f", 描述: {career.description[:50]}"
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careers_info += "\n"
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careers_info += "\n⚠️ 重要提示:生成角色时,职业阶段不能超过该职业的最高阶段!\n"
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# 构建角色生成提示词
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template = await PromptService.get_template(
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"AUTO_CHARACTER_GENERATION",
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user_id,
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db
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)
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existing_chars_summary = self._build_character_summary(existing_characters)
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prompt = PromptService.format_prompt(
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template,
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title=project.title,
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genre=project.genre or "未设定",
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theme=project.theme or "未设定",
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time_period=project.world_time_period or "未设定",
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location=project.world_location or "未设定",
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atmosphere=project.world_atmosphere or "未设定",
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rules=project.world_rules or "未设定",
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existing_characters=existing_chars_summary + careers_info,
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plot_context="根据剧情需要引入的新角色",
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character_specification=json.dumps(spec, ensure_ascii=False, indent=2),
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mcp_references="" # MCP工具通过AI服务自动加载
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)
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logger.info(f"🔧 角色详情生成: enable_mcp={enable_mcp}")
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# 调用AI生成
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try:
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character_data = await self.ai_service.call_with_json_retry(
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prompt=prompt,
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max_retries=2, # 减少重试次数以加快速度
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)
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char_name = character_data.get('name', '未知')
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logger.info(f" ✅ 角色详情生成成功: {char_name}")
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logger.debug(f" 角色数据字段: {list(character_data.keys())}")
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# 确保关键字段存在
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if 'name' not in character_data or not character_data['name']:
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logger.warning(f" ⚠️ AI返回的角色数据缺少name字段,使用规格中的信息")
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character_data['name'] = spec.get('name', f"新角色{spec.get('role_description', '')[:10]}")
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return character_data
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except Exception as e:
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logger.error(f" ❌ 生成角色详情失败: {e}")
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raise
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async def _create_character_record(
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self,
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project_id: str,
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character_data: Dict[str, Any],
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db: AsyncSession
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) -> Character:
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"""创建角色数据库记录"""
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is_organization = character_data.get("is_organization", False)
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# 提取职业信息(支持通过名称匹配)
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career_info = character_data.get("career_info", {})
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raw_main_career_name = career_info.get("main_career_name") if career_info else None
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main_career_stage = career_info.get("main_career_stage", 1) if career_info else None
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raw_sub_careers_data = career_info.get("sub_careers", []) if career_info else []
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# 🔧 通过职业名称匹配数据库中的职业ID
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from app.models.career import Career, CharacterCareer
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main_career_id = None
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sub_careers_data = []
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# 匹配主职业名称
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if raw_main_career_name and not is_organization:
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career_check = await db.execute(
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select(Career).where(
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Career.name == raw_main_career_name,
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Career.project_id == project_id,
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Career.type == 'main'
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)
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)
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matched_career = career_check.scalar_one_or_none()
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if matched_career:
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main_career_id = matched_career.id
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# ✅ 验证阶段不超过最高阶段
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if main_career_stage and main_career_stage > matched_career.max_stage:
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logger.warning(f" ⚠️ AI返回的主职业阶段({main_career_stage})超过最高阶段({matched_career.max_stage}),自动修正为最高阶段")
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main_career_stage = matched_career.max_stage
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logger.info(f" ✅ 主职业名称匹配成功: {raw_main_career_name} -> ID: {main_career_id}, 阶段: {main_career_stage}/{matched_career.max_stage}")
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else:
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logger.warning(f" ⚠️ AI返回的主职业名称未找到: {raw_main_career_name}")
|
||
|
||
# 匹配副职业名称
|
||
if raw_sub_careers_data and not is_organization and isinstance(raw_sub_careers_data, list):
|
||
for sub_data in raw_sub_careers_data[:2]:
|
||
if isinstance(sub_data, dict):
|
||
career_name = sub_data.get('career_name')
|
||
if career_name:
|
||
career_check = await db.execute(
|
||
select(Career).where(
|
||
Career.name == career_name,
|
||
Career.project_id == project_id,
|
||
Career.type == 'sub'
|
||
)
|
||
)
|
||
matched_career = career_check.scalar_one_or_none()
|
||
if matched_career:
|
||
sub_stage = sub_data.get('stage', 1)
|
||
# ✅ 验证阶段不超过最高阶段
|
||
if sub_stage > matched_career.max_stage:
|
||
logger.warning(f" ⚠️ AI返回的副职业阶段({sub_stage})超过最高阶段({matched_career.max_stage}),自动修正为最高阶段")
|
||
sub_stage = matched_career.max_stage
|
||
|
||
sub_careers_data.append({
|
||
'career_id': matched_career.id,
|
||
'stage': sub_stage
|
||
})
|
||
logger.info(f" ✅ 副职业名称匹配成功: {career_name} -> ID: {matched_career.id}, 阶段: {sub_stage}/{matched_career.max_stage}")
|
||
else:
|
||
logger.warning(f" ⚠️ AI返回的副职业名称未找到: {career_name}")
|
||
|
||
# 创建角色
|
||
character = Character(
|
||
project_id=project_id,
|
||
name=character_data.get("name", "未命名角色"),
|
||
age=str(character_data.get("age", "")),
|
||
gender=character_data.get("gender"),
|
||
is_organization=is_organization,
|
||
role_type=character_data.get("role_type", "supporting"),
|
||
personality=character_data.get("personality", ""),
|
||
background=character_data.get("background", ""),
|
||
appearance=character_data.get("appearance", ""),
|
||
relationships=character_data.get("relationships_text", ""),
|
||
organization_type=character_data.get("organization_type") if is_organization else None,
|
||
organization_purpose=character_data.get("organization_purpose") if is_organization else None,
|
||
traits=json.dumps(character_data.get("traits", []), ensure_ascii=False) if character_data.get("traits") else None,
|
||
main_career_id=main_career_id,
|
||
main_career_stage=main_career_stage if main_career_id else None,
|
||
sub_careers=json.dumps(sub_careers_data, ensure_ascii=False) if sub_careers_data else None
|
||
)
|
||
|
||
db.add(character)
|
||
await db.flush()
|
||
|
||
# 处理主职业关联
|
||
if main_career_id and not is_organization:
|
||
char_career = CharacterCareer(
|
||
character_id=character.id,
|
||
career_id=main_career_id,
|
||
career_type='main',
|
||
current_stage=main_career_stage,
|
||
stage_progress=0
|
||
)
|
||
db.add(char_career)
|
||
logger.info(f" ✅ 创建主职业关联: {character.name} -> {raw_main_career_name}")
|
||
|
||
# 处理副职业关联
|
||
if sub_careers_data and not is_organization:
|
||
for sub_data in sub_careers_data:
|
||
char_career = CharacterCareer(
|
||
character_id=character.id,
|
||
career_id=sub_data['career_id'],
|
||
career_type='sub',
|
||
current_stage=sub_data['stage'],
|
||
stage_progress=0
|
||
)
|
||
db.add(char_career)
|
||
logger.info(f" ✅ 创建副职业关联: {character.name}, 数量: {len(sub_careers_data)}")
|
||
|
||
# 如果是组织,创建Organization记录
|
||
if is_organization:
|
||
org = Organization(
|
||
character_id=character.id,
|
||
project_id=project_id,
|
||
member_count=0,
|
||
power_level=character_data.get("power_level", 50),
|
||
location=character_data.get("location"),
|
||
motto=character_data.get("motto"),
|
||
color=character_data.get("color")
|
||
)
|
||
db.add(org)
|
||
await db.flush()
|
||
logger.info(f" ✅ 创建组织详情: {character.name}")
|
||
|
||
return character
|
||
|
||
async def _create_relationships(
|
||
self,
|
||
new_character: Character,
|
||
relationship_specs: List[Dict[str, Any]],
|
||
existing_characters: List[Character],
|
||
project_id: str,
|
||
db: AsyncSession
|
||
) -> List[CharacterRelationship]:
|
||
"""创建角色关系"""
|
||
|
||
if not relationship_specs:
|
||
return []
|
||
|
||
relationships = []
|
||
|
||
for rel_spec in relationship_specs:
|
||
try:
|
||
target_name = rel_spec.get("target_character_name")
|
||
if not target_name:
|
||
continue
|
||
|
||
# 查找目标角色
|
||
target_char = next(
|
||
(c for c in existing_characters if c.name == target_name),
|
||
None
|
||
)
|
||
|
||
if not target_char:
|
||
logger.warning(f" ⚠️ 目标角色不存在: {target_name}")
|
||
continue
|
||
|
||
# 检查关系是否已存在
|
||
existing_rel = await db.execute(
|
||
select(CharacterRelationship).where(
|
||
CharacterRelationship.project_id == project_id,
|
||
CharacterRelationship.character_from_id == new_character.id,
|
||
CharacterRelationship.character_to_id == target_char.id
|
||
)
|
||
)
|
||
if existing_rel.scalar_one_or_none():
|
||
logger.debug(f" ℹ️ 关系已存在: {new_character.name} -> {target_name}")
|
||
continue
|
||
|
||
# 创建关系
|
||
relationship = CharacterRelationship(
|
||
project_id=project_id,
|
||
character_from_id=new_character.id,
|
||
character_to_id=target_char.id,
|
||
relationship_name=rel_spec.get("relationship_type", "未知关系"),
|
||
intimacy_level=rel_spec.get("intimacy_level", 50),
|
||
description=rel_spec.get("description", ""),
|
||
status=rel_spec.get("status", "active"),
|
||
source="auto" # 标记为自动生成
|
||
)
|
||
|
||
# 尝试匹配预定义关系类型
|
||
rel_type_name = rel_spec.get("relationship_type")
|
||
if rel_type_name:
|
||
rel_type_result = await db.execute(
|
||
select(RelationshipType).where(
|
||
RelationshipType.name == rel_type_name
|
||
)
|
||
)
|
||
rel_type = rel_type_result.scalar_one_or_none()
|
||
if rel_type:
|
||
relationship.relationship_type_id = rel_type.id
|
||
|
||
db.add(relationship)
|
||
relationships.append(relationship)
|
||
|
||
logger.info(
|
||
f" ✅ 创建关系: {new_character.name} -> {target_name} "
|
||
f"({rel_spec.get('relationship_type', '未知')})"
|
||
)
|
||
|
||
except Exception as e:
|
||
logger.warning(f" ❌ 创建关系失败: {e}")
|
||
continue
|
||
|
||
return relationships
|
||
|
||
|
||
# 全局实例缓存
|
||
_auto_character_service_instance: Optional[AutoCharacterService] = None
|
||
|
||
|
||
def get_auto_character_service(ai_service: AIService) -> AutoCharacterService:
|
||
"""获取自动角色服务实例(单例模式)"""
|
||
global _auto_character_service_instance
|
||
if _auto_character_service_instance is None:
|
||
_auto_character_service_instance = AutoCharacterService(ai_service)
|
||
return _auto_character_service_instance |