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xiaoxia-saas/apps/api/app/api/routes/templates_editor/dependencies.py
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xiaoxia 352221f199
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fix(p0): #1922 from-assets 空 templateId 双斜杠 404 兜底 (#1926)
Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>
2026-09-15 11:54:06 +08:00

150 lines
5.1 KiB
Python
Executable File

"""模板编辑器依赖注入.
核心依赖:
- get_editor_services: 获取模板+计划服务
- get_draft_plan_id: Depends 形式的路径依赖(template_id 路径参数必填)
- resolve_draft_plan_id: 纯函数版本,供 clips_standalone 等非路径参数场景复用
(支持空 tid 时自动兜底创建默认模板)
"""
from __future__ import annotations
import logging
from app.api.routes._default_template import get_or_create_default_template_id
from app.auth import AuthenticatedUser, get_current_user
from app.dependencies import get_db_session
from app.services.edit_plan_service import EditPlanService
from app.services.edit_template_service import EditTemplateService
from fastapi import Depends, HTTPException, status
from sqlalchemy.orm import Session
from packages.adapters.sqlalchemy_impl.template_repository import (
SQLAlchemyTemplateRepository,
)
logger = logging.getLogger(__name__)
def get_editor_services(
db: Session = Depends(get_db_session),
) -> tuple[EditTemplateService, EditPlanService]:
"""获取模板编辑器所需的两个服务"""
return EditTemplateService(db), EditPlanService(db)
def resolve_draft_plan_id(
template_id: str,
services: tuple[EditTemplateService, EditPlanService],
current_user: AuthenticatedUser,
db: Session,
auto_create_default: bool = True,
) -> str:
"""根据 template_id 获取或创建草稿,返回 plan_id(纯函数,不带 Depends)。
当 auto_create_default=True 且 template_id 为空时,自动调用
get_or_create_default_template_id 创建默认模板(用于 clips_standalone
等非路径参数场景)。
"""
tpl_svc, plan_svc = services
user_id = str(current_user.user.id)
# 0. 空 tid 兜底
if not template_id:
if auto_create_default:
tid = get_or_create_default_template_id(db, user_id)
if not tid:
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="无法自动创建默认模板,请刷新页面重试",
)
template_id = tid
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="template_id 不能为空",
)
# 1. 门禁:校验模板存在且可访问
old_repo = SQLAlchemyTemplateRepository(db)
old_template = old_repo.get_active(template_id, user_id)
is_global_template = tpl_svc.get_template(template_id) is not None
if old_template is None and not is_global_template:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="模板不存在")
# 2. 草稿已存在 → 直接返回
draft = tpl_svc.get_template_draft(template_id)
if draft is not None:
return draft.id
# 3. 全局模板(新系统)→ 用新服务创建草稿
if is_global_template:
draft = tpl_svc.create_template_draft(template_id, user_id=user_id)
return draft.id
# 4. 旧模板(templates 表)→ 基于旧模板创建草稿计划
from app.services.plan_generator_service import PlanGeneratorService
from packages.domain.edit_template import EditTemplate, EditTemplateStatus
from packages.domain.template_clip_config import ClipType, TemplateClipConfig
pseudo_template = EditTemplate(
id=old_template.id,
name=old_template.name,
editing_mode=old_template.mode,
status=EditTemplateStatus.ACTIVE,
)
clip_configs: list[TemplateClipConfig] = []
for seg in old_template.segments or []:
clip_configs.append(
TemplateClipConfig(
id=f"seg_{seg.id}",
template_id=old_template.id,
clip_type=ClipType.MAIN,
order=seg.segment_order,
min_duration=seg.duration_min,
max_duration=seg.duration_max,
)
)
generator = PlanGeneratorService(db)
result = generator.generate_from_template(
template=pseudo_template,
clip_configs=clip_configs,
asset_ids=[],
created_by_user_id=user_id,
name=f"{old_template.name} - 草稿",
)
plan = result["plan"]
plan_svc.update_plan_config(plan.id, {"is_template_draft": True})
logger.info(
"旧模板自动创建草稿: template_id=%s draft_plan_id=%s user_id=%s",
template_id,
plan.id,
user_id,
)
return plan.id
def get_draft_plan_id(
template_id: str,
services: tuple[EditTemplateService, EditPlanService] = Depends(get_editor_services),
current_user: AuthenticatedUser = Depends(get_current_user),
db: Session = Depends(get_db_session),
) -> str:
"""路径依赖:根据 template_id 获取或创建草稿,返回 plan_id.
Depends 版本:路径参数 template_id 由 FastAPI 保证非空,不自动兜底。
兜底逻辑走 resolve_draft_plan_id(auto_create_default=False)。
"""
return resolve_draft_plan_id(
template_id=template_id,
services=services,
current_user=current_user,
db=db,
auto_create_default=False,
)