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xiaoxia-saas/apps/api/app/services/edit_template_service.py
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xiaoxia 09d2b12ea8
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feat(ci): P1-1 Phase2 后端启用F401+F841并修复存量 (#470)
Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>
2026-07-17 14:06:50 +08:00

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"""EditTemplateService — 模板管理业务逻辑.
封装 EditTemplate 和 TemplateClipConfig 的 CRUD 操作,
提供统一的业务接口供 API 路由层调用。
"""
from __future__ import annotations
import logging
from typing import Any, List, Optional
from sqlalchemy.orm import Session
from packages.adapters.sqlalchemy_impl import (
SQLAlchemyEditPlanClipRepository,
SQLAlchemyEditPlanRepository,
SQLAlchemyEditTemplateRepository,
SQLAlchemyTemplateClipConfigRepository,
)
from packages.domain.edit_template import EditTemplate, EditTemplateStatus
from packages.domain.template_clip_config import (
ClipType,
TemplateClipConfig,
TransitionEffect,
)
logger = logging.getLogger(__name__)
class EditTemplateService:
"""模板管理服务
职责:
- 模板 CRUD(创建、查询、更新、软删除)
- 模板片段配置管理(增删改查)
- 业务校验(名称去重、状态合法性等)
"""
def __init__(self, db: Session) -> None:
self._template_repo = SQLAlchemyEditTemplateRepository(db)
self._clip_config_repo = SQLAlchemyTemplateClipConfigRepository(db)
self._plan_repo = SQLAlchemyEditPlanRepository(db)
self._plan_clip_repo = SQLAlchemyEditPlanClipRepository(db)
self._db = db
# ── 模板 CRUD ──────────────────────────────────────────────────────────
def list_templates(
self,
*,
template_type: Optional[str] = None,
status: Optional[EditTemplateStatus] = None,
active_only: bool = False,
skip: int = 0,
limit: int = 50,
) -> List[EditTemplate]:
"""列出模板
Args:
template_type: 按类型筛选
status: 按状态筛选
active_only: 仅返回激活模板
skip: 分页偏移
limit: 每页数量
"""
if active_only:
return self._template_repo.list_active(
template_type=template_type,
skip=skip,
limit=limit,
)
return self._template_repo.list_all(
template_type=template_type,
status=status,
skip=skip,
limit=limit,
)
def count_templates(
self,
*,
template_type: Optional[str] = None,
status: Optional[EditTemplateStatus] = None,
) -> int:
"""统计模板数量"""
return self._template_repo.count(
template_type=template_type,
status=status,
)
def get_template(self, template_id: str) -> Optional[EditTemplate]:
"""获取模板详情"""
return self._template_repo.get(template_id)
def get_template_or_raise(self, template_id: str) -> EditTemplate:
"""获取模板,不存在则抛出 ValueError"""
template = self._template_repo.get(template_id)
if template is None:
raise ValueError(f"模板不存在: {template_id}")
return template
def create_template(
self,
name: str,
*,
description: str = "",
template_type: str = "default",
editing_mode: str = "one_take",
config: Optional[dict[str, Any]] = None,
preview_url: str = "",
sort_weight: int = 0,
) -> EditTemplate:
"""创建模板
Raises:
ValueError: 名称为空或重复
"""
# 名称校验
clean_name = name.strip()
if not clean_name:
raise ValueError("模板名称不能为空")
# 名称重复检查
existing = self._template_repo.list_all(skip=0, limit=1000)
for t in existing:
if t.name == clean_name and t.status == EditTemplateStatus.ACTIVE:
raise ValueError(f"模板名称已存在: {clean_name}")
template = EditTemplate.create(
name=clean_name,
description=description,
template_type=template_type,
editing_mode=editing_mode,
config=config,
preview_url=preview_url,
sort_weight=sort_weight,
)
created = self._template_repo.create(template)
logger.info("创建模板: id=%s name=%s", created.id, created.name)
return created
def update_template(
self,
template_id: str,
*,
name: Optional[str] = None,
description: Optional[str] = None,
template_type: Optional[str] = None,
editing_mode: Optional[str] = None,
config: Optional[dict[str, Any]] = None,
preview_url: Optional[str] = None,
sort_weight: Optional[int] = None,
status: Optional[EditTemplateStatus] = None,
) -> EditTemplate:
"""更新模板
Raises:
ValueError: 模板不存在或名称重复
"""
existing = self.get_template_or_raise(template_id)
# 名称重复检查(排除自身)
new_name = name.strip() if name is not None else existing.name
if name is not None and new_name != existing.name:
all_templates = self._template_repo.list_all(skip=0, limit=1000)
for t in all_templates:
if t.id != template_id and t.name == new_name and t.status == EditTemplateStatus.ACTIVE:
raise ValueError(f"模板名称已存在: {new_name}")
# 构建更新后的实体
updated = EditTemplate(
id=existing.id,
name=new_name,
description=description.strip() if description is not None else existing.description,
template_type=template_type.strip() if template_type is not None else existing.template_type,
editing_mode=editing_mode.strip() if editing_mode is not None else existing.editing_mode,
config=config if config is not None else existing.config,
preview_url=preview_url.strip() if preview_url is not None else existing.preview_url,
sort_weight=sort_weight if sort_weight is not None else existing.sort_weight,
status=status if status is not None else existing.status,
created_at=existing.created_at,
updated_at=existing.updated_at,
)
result = self._template_repo.update(updated)
logger.info("更新模板: id=%s", template_id)
return result
def deactivate_template(self, template_id: str) -> EditTemplate:
"""软删除模板(设为 inactive
Raises:
ValueError: 模板不存在
"""
existing = self.get_template_or_raise(template_id)
existing.deactivate()
result = self._template_repo.update(existing)
logger.info("停用模板: id=%s", template_id)
return result
# ── 模板片段配置管理 ────────────────────────────────────────────────────
def list_clip_configs(
self,
template_id: str,
*,
clip_type: Optional[ClipType] = None,
skip: int = 0,
limit: int = 100,
) -> List[TemplateClipConfig]:
"""列出模板的片段配置"""
# 确保模板存在
self.get_template_or_raise(template_id)
return self._clip_config_repo.list_by_template(
template_id,
clip_type=clip_type,
skip=skip,
limit=limit,
)
def get_clip_config(self, config_id: str) -> Optional[TemplateClipConfig]:
"""获取片段配置详情"""
return self._clip_config_repo.get(config_id)
def get_clip_config_or_raise(self, config_id: str) -> TemplateClipConfig:
"""获取片段配置,不存在则抛出 ValueError"""
config = self._clip_config_repo.get(config_id)
if config is None:
raise ValueError(f"片段配置不存在: {config_id}")
return config
def create_clip_config(
self,
template_id: str,
clip_type: ClipType | str,
order: int,
*,
min_duration: float = 0.0,
max_duration: float = 0.0,
text_template: str = "",
material_requirements: Optional[dict[str, Any]] = None,
transition_effect: TransitionEffect | str = TransitionEffect.CUT,
config: Optional[dict[str, Any]] = None,
) -> TemplateClipConfig:
"""创建片段配置
Raises:
ValueError: 模板不存在或参数校验失败
"""
# 确保模板存在
self.get_template_or_raise(template_id)
clip_config = TemplateClipConfig.create(
template_id=template_id,
clip_type=clip_type,
order=order,
min_duration=min_duration,
max_duration=max_duration,
text_template=text_template,
material_requirements=material_requirements,
transition_effect=transition_effect,
config=config,
)
created = self._clip_config_repo.create(clip_config)
logger.info(
"创建片段配置: id=%s template_id=%s clip_type=%s order=%d",
created.id,
template_id,
created.clip_type,
created.order,
)
return created
def update_clip_config(
self,
config_id: str,
*,
clip_type: Optional[ClipType | str] = None,
order: Optional[int] = None,
min_duration: Optional[float] = None,
max_duration: Optional[float] = None,
text_template: Optional[str] = None,
material_requirements: Optional[dict[str, Any]] = None,
transition_effect: Optional[TransitionEffect | str] = None,
config: Optional[dict[str, Any]] = None,
) -> TemplateClipConfig:
"""更新片段配置
Raises:
ValueError: 配置不存在或参数校验失败
"""
existing = self.get_clip_config_or_raise(config_id)
# 解析枚举类型
new_clip_type = ClipType(clip_type) if clip_type is not None else existing.clip_type
new_transition = (
TransitionEffect(transition_effect) if transition_effect is not None else existing.transition_effect
)
updated = TemplateClipConfig(
id=existing.id,
template_id=existing.template_id,
clip_type=new_clip_type,
order=order if order is not None else existing.order,
min_duration=min_duration if min_duration is not None else existing.min_duration,
max_duration=max_duration if max_duration is not None else existing.max_duration,
text_template=text_template.strip() if text_template is not None else existing.text_template,
material_requirements=(
material_requirements if material_requirements is not None else existing.material_requirements
),
transition_effect=new_transition,
config=config if config is not None else existing.config,
created_at=existing.created_at,
updated_at=existing.updated_at,
)
result = self._clip_config_repo.update(updated)
logger.info("更新片段配置: id=%s", config_id)
return result
def delete_clip_config(self, config_id: str) -> bool:
"""删除片段配置
Returns:
bool: 是否删除成功
"""
deleted = self._clip_config_repo.delete(config_id)
if deleted:
logger.info("删除片段配置: id=%s", config_id)
return deleted
def reorder_clip_configs(
self,
template_id: str,
config_ids: List[str],
) -> List[TemplateClipConfig]:
"""重新排序片段配置
Args:
template_id: 模板 ID
config_ids: 按新顺序排列的配置 ID 列表
Returns:
更新后的配置列表
Raises:
ValueError: 模板不存在或配置 ID 不匹配
"""
# 确保模板存在
self.get_template_or_raise(template_id)
# 获取当前配置
current_configs = self._clip_config_repo.list_by_template(template_id)
current_ids = {c.id for c in current_configs}
# 校验 ID 列表
if set(config_ids) != current_ids:
raise ValueError("配置 ID 列表与模板下的配置不匹配")
# 更新 order
results = []
for new_order, config_id in enumerate(config_ids):
config = self._clip_config_repo.get(config_id)
if config is None:
continue
updated = TemplateClipConfig(
id=config.id,
template_id=config.template_id,
clip_type=config.clip_type,
order=new_order,
min_duration=config.min_duration,
max_duration=config.max_duration,
text_template=config.text_template,
material_requirements=config.material_requirements,
transition_effect=config.transition_effect,
config=config.config,
created_at=config.created_at,
updated_at=config.updated_at,
)
results.append(self._clip_config_repo.update(updated))
logger.info(
"重排序片段配置: template_id=%s count=%d",
template_id,
len(config_ids),
)
return results
def get_template_with_configs(
self,
template_id: str,
) -> dict:
"""获取模板及其所有片段配置
Returns:
dict: {"template": EditTemplate, "clip_configs": List[TemplateClipConfig]}
"""
template = self.get_template_or_raise(template_id)
clip_configs = self._clip_config_repo.list_by_template(template_id)
return {
"template": template,
"clip_configs": clip_configs,
}
# ── 从剪辑计划保存为模板 ──────────────────────────────────────────────
def save_plan_as_template(
self,
plan_id: str,
name: str,
*,
description: str = "",
template_type: str = "custom",
preview_url: str = "",
) -> dict[str, Any]:
"""将剪辑计划保存为模板
将指定剪辑计划的配置和片段结构另存为一个新模板,
方便后续基于该模板快速创建新的剪辑计划。
转换规则:
- 计划名称 → 模板名称(调用方传入,支持自定义)
- 计划 config → 模板 config(整体迁移)
- 计划 editing_mode 从 config 中提取,默认 one_take
- 每个片段转换为模板片段配置:
- clip_type 直接映射
- order 保持不变
- duration → min_duration = max_duration = duration(固定时长)
- text_content → text_template
- transition_effect 直接映射
- playback_speed 等播放参数存入 config
- 不保留 asset_id(模板不绑定具体素材)
Args:
plan_id: 源剪辑计划 ID
name: 新模板名称
description: 模板描述
template_type: 模板类型,默认 custom(用户自定义)
preview_url: 预览图 URL
Returns:
dict: {"template": EditTemplate, "clip_configs": List[TemplateClipConfig]}
Raises:
ValueError: 计划不存在或名称为空/重复
"""
# 1. 读取源计划
plan = self._plan_repo.get(plan_id)
if plan is None:
raise ValueError(f"剪辑计划不存在: {plan_id}")
# 2. 读取所有片段(按 order 排序)
clips = self._plan_clip_repo.list_by_plan(plan_id)
clips.sort(key=lambda c: c.order)
# 3. 提取 editing_mode
editing_mode = plan.config.get("editing_mode", "one_take") if plan.config else "one_take"
# 4. 创建模板(复用 create_template 的校验逻辑,但手动构建避免重复查询)
clean_name = name.strip()
if not clean_name:
raise ValueError("模板名称不能为空")
# 名称重复检查
existing = self._template_repo.list_all(skip=0, limit=1000)
for t in existing:
if t.name == clean_name and t.status == EditTemplateStatus.ACTIVE:
raise ValueError(f"模板名称已存在: {clean_name}")
# 从计划 config 中提取模板级配置,去掉运行时/素材相关字段
plan_config = plan.config or {}
template_config: dict[str, Any] = {}
for key, value in plan_config.items():
# 跳过明显的运行时/实例字段,保留风格/模式类配置
if key not in {"asset_ids", "source_edit_plan_id", "generation_task_id"}:
template_config[key] = value
template = EditTemplate.create(
name=clean_name,
description=description,
template_type=template_type,
editing_mode=editing_mode,
config=template_config,
preview_url=preview_url,
)
created_template = self._template_repo.create(template)
logger.info(
"从剪辑计划创建模板: plan_id=%s template_id=%s name=%s clip_count=%d",
plan_id,
created_template.id,
clean_name,
len(clips),
)
# 5. 转换每个片段为模板片段配置
created_configs: List[TemplateClipConfig] = []
for clip in clips:
clip_config: dict[str, Any] = {}
# 播放速度存入 config
if clip.playback_speed and clip.playback_speed != 1.0:
clip_config["playback_speed"] = clip.playback_speed
# 片段自有 config 合并(优先级:clip.config 覆盖上面的)
if clip.config:
clip_config.update(clip.config)
# 去掉素材相关字段
clip_config.pop("asset_info", None)
clip_config.pop("source_asset_id", None)
# 转场效果兼容校验
try:
transition = TransitionEffect(clip.transition_effect)
except ValueError:
transition = TransitionEffect.CUT
# 片段类型兼容校验
try:
clip_type = ClipType(clip.clip_type)
except ValueError:
clip_type = ClipType.MAIN
clip_config_obj = TemplateClipConfig.create(
template_id=created_template.id,
clip_type=clip_type,
order=clip.order,
min_duration=clip.duration,
max_duration=clip.duration,
text_template=clip.text_content or "",
transition_effect=transition,
config=clip_config,
)
created = self._clip_config_repo.create(clip_config_obj)
created_configs.append(created)
return {
"template": created_template,
"clip_configs": created_configs,
}