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- 新增 EditTemplateService：模板 CRUD、名称去重、片段配置管理、重排序 - 新增 EditPlanService：计划 CRUD、状态机流转、片段管理、素材分配、生成流程 - 重构 edit_templates 路由：使用 EditTemplateService 封装业务逻辑 - 重构 edit_plans 路由：使用 EditPlanService 封装业务逻辑 - 新增 77 个单元测试（33 EditTemplateService + 44 EditPlanService） - 使用 stub 仓储注入，不依赖数据库
397 lines
14 KiB
Python
397 lines
14 KiB
Python
"""EditTemplateService — 模板管理业务逻辑.
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封装 EditTemplate 和 TemplateClipConfig 的 CRUD 操作，
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提供统一的业务接口供 API 路由层调用。
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"""
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from __future__ import annotations
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import logging
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from typing import Any, List, Optional
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from sqlalchemy.orm import Session
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from packages.adapters.sqlalchemy_impl import (
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SQLAlchemyEditTemplateRepository,
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SQLAlchemyTemplateClipConfigRepository,
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)
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from packages.domain.edit_template import EditTemplate, EditTemplateStatus
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from packages.domain.template_clip_config import (
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ClipType,
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TemplateClipConfig,
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TransitionEffect,
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)
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logger = logging.getLogger(__name__)
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class EditTemplateService:
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"""模板管理服务
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职责:
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- 模板 CRUD（创建、查询、更新、软删除）
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- 模板片段配置管理（增删改查）
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- 业务校验（名称去重、状态合法性等）
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"""
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def __init__(self, db: Session) -> None:
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self._template_repo = SQLAlchemyEditTemplateRepository(db)
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self._clip_config_repo = SQLAlchemyTemplateClipConfigRepository(db)
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# ── 模板 CRUD ──────────────────────────────────────────────────────────
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def list_templates(
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self,
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*,
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template_type: Optional[str] = None,
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status: Optional[EditTemplateStatus] = None,
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active_only: bool = False,
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skip: int = 0,
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limit: int = 50,
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) -> List[EditTemplate]:
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"""列出模板
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Args:
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template_type: 按类型筛选
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status: 按状态筛选
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active_only: 仅返回激活模板
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skip: 分页偏移
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limit: 每页数量
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"""
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if active_only:
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return self._template_repo.list_active(
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template_type=template_type,
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skip=skip,
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limit=limit,
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)
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return self._template_repo.list_all(
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template_type=template_type,
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status=status,
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skip=skip,
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limit=limit,
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)
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def count_templates(
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self,
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*,
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template_type: Optional[str] = None,
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status: Optional[EditTemplateStatus] = None,
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) -> int:
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"""统计模板数量"""
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return self._template_repo.count(
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template_type=template_type,
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status=status,
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)
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def get_template(self, template_id: str) -> Optional[EditTemplate]:
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"""获取模板详情"""
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return self._template_repo.get(template_id)
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def get_template_or_raise(self, template_id: str) -> EditTemplate:
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"""获取模板，不存在则抛出 ValueError"""
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template = self._template_repo.get(template_id)
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if template is None:
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raise ValueError(f"模板不存在: {template_id}")
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return template
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def create_template(
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self,
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name: str,
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*,
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description: str = "",
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template_type: str = "default",
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config: Optional[dict[str, Any]] = None,
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preview_url: str = "",
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sort_weight: int = 0,
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) -> EditTemplate:
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"""创建模板
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Raises:
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ValueError: 名称为空或重复
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"""
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# 名称校验
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clean_name = name.strip()
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if not clean_name:
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raise ValueError("模板名称不能为空")
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# 名称重复检查
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existing = self._template_repo.list_all(skip=0, limit=1000)
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for t in existing:
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if t.name == clean_name and t.status == EditTemplateStatus.ACTIVE:
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raise ValueError(f"模板名称已存在: {clean_name}")
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template = EditTemplate.create(
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name=clean_name,
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description=description,
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template_type=template_type,
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config=config,
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preview_url=preview_url,
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sort_weight=sort_weight,
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)
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created = self._template_repo.create(template)
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logger.info("创建模板: id=%s name=%s", created.id, created.name)
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return created
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def update_template(
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self,
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template_id: str,
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*,
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name: Optional[str] = None,
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description: Optional[str] = None,
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template_type: Optional[str] = None,
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config: Optional[dict[str, Any]] = None,
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preview_url: Optional[str] = None,
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sort_weight: Optional[int] = None,
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status: Optional[EditTemplateStatus] = None,
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) -> EditTemplate:
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"""更新模板
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Raises:
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ValueError: 模板不存在或名称重复
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"""
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existing = self.get_template_or_raise(template_id)
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# 名称重复检查（排除自身）
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new_name = name.strip() if name is not None else existing.name
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if name is not None and new_name != existing.name:
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all_templates = self._template_repo.list_all(skip=0, limit=1000)
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for t in all_templates:
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if (
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t.id != template_id
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and t.name == new_name
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and t.status == EditTemplateStatus.ACTIVE
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):
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raise ValueError(f"模板名称已存在: {new_name}")
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# 构建更新后的实体
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updated = EditTemplate(
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id=existing.id,
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name=new_name,
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description=description.strip() if description is not None else existing.description,
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template_type=template_type.strip() if template_type is not None else existing.template_type,
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config=config if config is not None else existing.config,
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preview_url=preview_url.strip() if preview_url is not None else existing.preview_url,
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sort_weight=sort_weight if sort_weight is not None else existing.sort_weight,
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status=status if status is not None else existing.status,
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created_at=existing.created_at,
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updated_at=existing.updated_at,
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)
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result = self._template_repo.update(updated)
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logger.info("更新模板: id=%s", template_id)
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return result
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def deactivate_template(self, template_id: str) -> EditTemplate:
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"""软删除模板（设为 inactive）
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Raises:
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ValueError: 模板不存在
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"""
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existing = self.get_template_or_raise(template_id)
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existing.deactivate()
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result = self._template_repo.update(existing)
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logger.info("停用模板: id=%s", template_id)
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return result
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# ── 模板片段配置管理 ────────────────────────────────────────────────────
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def list_clip_configs(
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self,
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template_id: str,
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*,
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clip_type: Optional[ClipType] = None,
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skip: int = 0,
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limit: int = 100,
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) -> List[TemplateClipConfig]:
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"""列出模板的片段配置"""
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# 确保模板存在
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self.get_template_or_raise(template_id)
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return self._clip_config_repo.list_by_template(
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template_id,
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clip_type=clip_type,
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skip=skip,
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limit=limit,
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)
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def get_clip_config(self, config_id: str) -> Optional[TemplateClipConfig]:
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"""获取片段配置详情"""
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return self._clip_config_repo.get(config_id)
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def get_clip_config_or_raise(self, config_id: str) -> TemplateClipConfig:
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"""获取片段配置，不存在则抛出 ValueError"""
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config = self._clip_config_repo.get(config_id)
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if config is None:
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raise ValueError(f"片段配置不存在: {config_id}")
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return config
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def create_clip_config(
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self,
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template_id: str,
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clip_type: ClipType | str,
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order: int,
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*,
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min_duration: float = 0.0,
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max_duration: float = 0.0,
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text_template: str = "",
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material_requirements: Optional[dict[str, Any]] = None,
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transition_effect: TransitionEffect | str = TransitionEffect.CUT,
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config: Optional[dict[str, Any]] = None,
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) -> TemplateClipConfig:
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"""创建片段配置
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Raises:
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ValueError: 模板不存在或参数校验失败
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"""
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# 确保模板存在
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self.get_template_or_raise(template_id)
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clip_config = TemplateClipConfig.create(
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template_id=template_id,
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clip_type=clip_type,
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order=order,
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min_duration=min_duration,
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max_duration=max_duration,
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text_template=text_template,
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material_requirements=material_requirements,
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transition_effect=transition_effect,
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config=config,
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)
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created = self._clip_config_repo.create(clip_config)
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logger.info(
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"创建片段配置: id=%s template_id=%s clip_type=%s order=%d",
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created.id,
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template_id,
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created.clip_type,
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created.order,
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)
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return created
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def update_clip_config(
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self,
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config_id: str,
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*,
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clip_type: Optional[ClipType | str] = None,
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order: Optional[int] = None,
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min_duration: Optional[float] = None,
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max_duration: Optional[float] = None,
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text_template: Optional[str] = None,
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material_requirements: Optional[dict[str, Any]] = None,
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transition_effect: Optional[TransitionEffect | str] = None,
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config: Optional[dict[str, Any]] = None,
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) -> TemplateClipConfig:
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"""更新片段配置
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Raises:
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ValueError: 配置不存在或参数校验失败
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"""
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existing = self.get_clip_config_or_raise(config_id)
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# 解析枚举类型
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new_clip_type = ClipType(clip_type) if clip_type is not None else existing.clip_type
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new_transition = (
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TransitionEffect(transition_effect)
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if transition_effect is not None
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else existing.transition_effect
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)
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updated = TemplateClipConfig(
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id=existing.id,
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template_id=existing.template_id,
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clip_type=new_clip_type,
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order=order if order is not None else existing.order,
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min_duration=min_duration if min_duration is not None else existing.min_duration,
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max_duration=max_duration if max_duration is not None else existing.max_duration,
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text_template=text_template.strip() if text_template is not None else existing.text_template,
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material_requirements=material_requirements if material_requirements is not None else existing.material_requirements,
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transition_effect=new_transition,
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config=config if config is not None else existing.config,
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created_at=existing.created_at,
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updated_at=existing.updated_at,
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)
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result = self._clip_config_repo.update(updated)
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logger.info("更新片段配置: id=%s", config_id)
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return result
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def delete_clip_config(self, config_id: str) -> bool:
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"""删除片段配置
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Returns:
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bool: 是否删除成功
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"""
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deleted = self._clip_config_repo.delete(config_id)
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if deleted:
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logger.info("删除片段配置: id=%s", config_id)
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return deleted
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def reorder_clip_configs(
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self,
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template_id: str,
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config_ids: List[str],
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) -> List[TemplateClipConfig]:
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"""重新排序片段配置
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Args:
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template_id: 模板 ID
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config_ids: 按新顺序排列的配置 ID 列表
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Returns:
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更新后的配置列表
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Raises:
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ValueError: 模板不存在或配置 ID 不匹配
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"""
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# 确保模板存在
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self.get_template_or_raise(template_id)
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# 获取当前配置
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current_configs = self._clip_config_repo.list_by_template(template_id)
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current_ids = {c.id for c in current_configs}
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# 校验 ID 列表
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if set(config_ids) != current_ids:
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raise ValueError("配置 ID 列表与模板下的配置不匹配")
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# 更新 order
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results = []
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for new_order, config_id in enumerate(config_ids):
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config = self._clip_config_repo.get(config_id)
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if config is None:
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continue
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updated = TemplateClipConfig(
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id=config.id,
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template_id=config.template_id,
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clip_type=config.clip_type,
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order=new_order,
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min_duration=config.min_duration,
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max_duration=config.max_duration,
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text_template=config.text_template,
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material_requirements=config.material_requirements,
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transition_effect=config.transition_effect,
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config=config.config,
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created_at=config.created_at,
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updated_at=config.updated_at,
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)
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results.append(self._clip_config_repo.update(updated))
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logger.info(
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"重排序片段配置: template_id=%s count=%d",
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template_id,
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len(config_ids),
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)
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return results
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def get_template_with_configs(
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self,
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template_id: str,
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) -> dict:
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"""获取模板及其所有片段配置
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Returns:
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dict: {"template": EditTemplate, "clip_configs": List[TemplateClipConfig]}
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"""
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template = self.get_template_or_raise(template_id)
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clip_configs = self._clip_config_repo.list_by_template(template_id)
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return {
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"template": template,
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"clip_configs": clip_configs,
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}
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