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278 lines
9.2 KiB
Python
278 lines
9.2 KiB
Python
"""SQLAlchemy implementation of TemplateRepository."""
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from __future__ import annotations
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from typing import List, Optional
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from sqlalchemy.orm import Session
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from packages.adapters.sqlalchemy_impl.models import (
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TemplateCategoryModel,
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TemplateModel,
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TemplateSegmentModel,
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)
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from packages.domain.template import Template, TemplateCategory, TemplateSegment
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class SQLAlchemyTemplateRepository:
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"""SQLAlchemy 剪辑计划模板仓储."""
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def __init__(self, session: Session) -> None:
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self.session = session
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# ── Template CRUD ──
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def list_by_user(
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self,
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user_id: str,
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*,
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skip: int = 0,
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limit: int = 50,
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) -> List[Template]:
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models = (
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self.session.query(TemplateModel)
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.filter(
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TemplateModel.user_id == user_id,
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TemplateModel.is_active.is_(True),
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)
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.order_by(TemplateModel.created_at.desc())
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.offset(skip)
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.limit(limit)
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.all()
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)
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templates = [self._model_to_entity(m) for m in models]
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# 批量加载所有 segments，避免 N+1 查询
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if templates:
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template_ids = [t.id for t in templates]
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seg_models = (
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self.session.query(TemplateSegmentModel)
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.filter(TemplateSegmentModel.template_id.in_(template_ids))
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.order_by(TemplateSegmentModel.segment_order)
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.all()
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)
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# 按 template_id 分组
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seg_map: dict[str, list] = {}
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for sm in seg_models:
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seg_map.setdefault(sm.template_id, []).append(
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self._segment_model_to_entity(sm),
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)
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for t in templates:
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t.segments = seg_map.get(t.id, [])
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return templates
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def get(self, template_id: str, user_id: str) -> Optional[Template]:
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model = (
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self.session.query(TemplateModel)
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.filter(
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TemplateModel.id == template_id,
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TemplateModel.user_id == user_id,
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)
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.first()
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)
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if model is None:
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return None
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template = self._model_to_entity(model)
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template.segments = self.list_segments(template.id)
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return template
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def create(self, template: Template) -> Template:
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model = TemplateModel(
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id=template.id,
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user_id=template.user_id,
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name=template.name,
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mode=template.mode,
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category=template.category,
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tags=template.tags,
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title_config=template.title_config,
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subtitle_config=template.subtitle_config,
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bgm_config=template.bgm_config,
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estimated_duration=template.estimated_duration,
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is_active=template.is_active,
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)
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self.session.add(model)
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# flush 而非 commit，让 create + create_segments 在同一事务中提交
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self.session.flush()
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self.session.refresh(model)
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result = self._model_to_entity(model)
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result.segments = template.segments
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return result
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def update(self, template: Template) -> Template:
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model = (
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self.session.query(TemplateModel)
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.filter(
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TemplateModel.id == template.id,
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TemplateModel.user_id == template.user_id,
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)
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.first()
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)
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if model is None:
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raise ValueError(f"Template {template.id} not found")
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model.name = template.name
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model.mode = template.mode
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model.category = template.category
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model.tags = template.tags
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model.title_config = template.title_config
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model.subtitle_config = template.subtitle_config
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model.bgm_config = template.bgm_config
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model.estimated_duration = template.estimated_duration
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model.is_active = template.is_active
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self.session.commit()
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self.session.refresh(model)
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result = self._model_to_entity(model)
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result.segments = template.segments
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return result
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def delete(self, template_id: str, user_id: str) -> bool:
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model = (
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self.session.query(TemplateModel)
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.filter(
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TemplateModel.id == template_id,
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TemplateModel.user_id == user_id,
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)
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.first()
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)
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if model is None:
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return False
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model.is_active = False
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# 级联清理关联的 segments，避免孤儿数据
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self.session.query(TemplateSegmentModel).filter(
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TemplateSegmentModel.template_id == template_id,
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).delete(synchronize_session=False)
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self.session.commit()
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return True
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def count_by_user(self, user_id: str) -> int:
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return (
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self.session.query(TemplateModel)
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.filter(
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TemplateModel.user_id == user_id,
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TemplateModel.is_active.is_(True),
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)
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.count()
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)
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# ── Segments ──
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def list_segments(self, template_id: str) -> List[TemplateSegment]:
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models = (
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self.session.query(TemplateSegmentModel)
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.filter(TemplateSegmentModel.template_id == template_id)
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.order_by(TemplateSegmentModel.segment_order)
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.all()
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)
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return [self._segment_model_to_entity(m) for m in models]
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def create_segments(self, segments: List[TemplateSegment]) -> List[TemplateSegment]:
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for seg in segments:
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model = TemplateSegmentModel(
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id=seg.id,
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template_id=seg.template_id,
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segment_order=seg.segment_order,
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duration_min=seg.duration_min,
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duration_max=seg.duration_max,
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material_type=seg.material_type,
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)
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self.session.add(model)
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self.session.commit()
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return segments
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def delete_segments_by_template(self, template_id: str) -> int:
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count = (
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self.session.query(TemplateSegmentModel).filter(TemplateSegmentModel.template_id == template_id).delete()
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)
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self.session.commit()
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return count
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# ── Categories ──
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def list_categories(self, user_id: str) -> List[TemplateCategory]:
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models = (
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self.session.query(TemplateCategoryModel)
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.filter(TemplateCategoryModel.user_id == user_id)
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.order_by(TemplateCategoryModel.created_at)
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.all()
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)
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return [self._category_model_to_entity(m) for m in models]
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def create_category(self, category: TemplateCategory) -> TemplateCategory:
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model = TemplateCategoryModel(
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id=category.id,
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user_id=category.user_id,
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name=category.name,
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)
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self.session.add(model)
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self.session.commit()
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self.session.refresh(model)
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return self._category_model_to_entity(model)
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def get_category(self, category_id: str, user_id: str) -> Optional[TemplateCategory]:
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model = (
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self.session.query(TemplateCategoryModel)
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.filter(
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TemplateCategoryModel.id == category_id,
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TemplateCategoryModel.user_id == user_id,
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)
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.first()
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)
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if model is None:
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return None
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return self._category_model_to_entity(model)
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def delete_category(self, category_id: str, user_id: str) -> bool:
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model = (
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self.session.query(TemplateCategoryModel)
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.filter(
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TemplateCategoryModel.id == category_id,
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TemplateCategoryModel.user_id == user_id,
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)
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.first()
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)
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if model is None:
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return False
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self.session.delete(model)
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self.session.commit()
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return True
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# ── Mapping helpers ──
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@staticmethod
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def _model_to_entity(model: TemplateModel) -> Template:
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return Template(
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id=model.id,
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user_id=model.user_id,
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name=model.name,
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mode=model.mode,
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category=model.category or "",
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tags=model.tags or [],
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title_config=model.title_config or {},
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subtitle_config=model.subtitle_config or {},
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bgm_config=model.bgm_config or {},
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estimated_duration=model.estimated_duration or 0.0,
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is_active=model.is_active,
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created_at=model.created_at,
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updated_at=model.updated_at,
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)
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@staticmethod
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def _segment_model_to_entity(model: TemplateSegmentModel) -> TemplateSegment:
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return TemplateSegment(
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id=model.id,
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template_id=model.template_id,
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segment_order=model.segment_order,
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duration_min=model.duration_min,
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duration_max=model.duration_max,
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material_type=model.material_type,
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created_at=model.created_at,
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updated_at=model.updated_at,
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)
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@staticmethod
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def _category_model_to_entity(model: TemplateCategoryModel) -> TemplateCategory:
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return TemplateCategory(
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id=model.id,
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user_id=model.user_id,
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name=model.name,
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created_at=model.created_at,
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)
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