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from __future__ import annotations
import logging
from typing import Any
from django.db import transaction
from django.utils.safestring import mark_safe
from apps.core.exceptions import NotFoundError
from apps.documents.models import FolderTemplate
from apps.documents.models.choices import FolderTemplateType, LegalStatusMatchMode
from ..folder_service import FolderTemplateService
logger = logging.getLogger("apps.documents.services.folder_template_admin_service")
class FolderTemplateAdminService:
"""文件夹模板Admin服务"""
def __init__(self, folder_template_service: FolderTemplateService | None = None) -> None:
self._folder_template_service = folder_template_service
@property
def folder_template_service(self) -> FolderTemplateService:
"""延迟加载文件夹模板服务"""
if self._folder_template_service is None:
from apps.core.dependencies.documents import build_folder_template_service
self._folder_template_service = build_folder_template_service() # type: ignore[assignment]
return self._folder_template_service
def validate_and_fix_template_form(self, form_data: dict[str, Any]) -> dict[str, Any]:
"""
验证并自动修复模板表单数据
Args:
request: HTTP请求
form_data: 表单数据
Returns:
验证和修复结果
"""
result: dict[str, Any] = {
"is_valid": True,
"is_fixed": False,
"fixed_structure": None,
"errors": [],
"warnings": [],
"fix_messages": [],
}
structure = form_data.get("structure")
template_id = form_data.get("id") # 更新时会有ID
if structure:
try:
# 尝试自动修复重复ID
is_fixed, fixed_structure, fix_messages = self.folder_template_service.validate_and_fix_structure_ids(
structure, template_id
)
if is_fixed:
result["is_fixed"] = True
result["fixed_structure"] = fixed_structure
result["fix_messages"] = fix_messages
result["warnings"].extend(fix_messages)
except Exception as e:
logger.exception(
"模板结构验证与修复失败",
extra={"template_id": template_id, "error": str(e)},
)
result["is_valid"] = False
result["errors"].append(f"结构验证失败: {e!s}")
return result
def validate_template_form(self, form_data: dict[str, Any]) -> dict[str, Any]:
"""
验证模板表单数据(保留原有方法用于向后兼容)
Args:
request: HTTP请求
form_data: 表单数据
Returns:
验证结果
"""
result: dict[str, Any] = {"is_valid": True, "errors": [], "warnings": []}
structure = form_data.get("structure")
template_id = form_data.get("id") # 更新时会有ID
if structure:
try:
is_valid, errors = self.folder_template_service.validate_structure_ids(structure, template_id)
if not is_valid:
result["is_valid"] = False
result["errors"].extend(errors)
except Exception as e:
logger.exception(
"模板结构验证失败",
extra={"template_id": template_id, "error": str(e)},
)
result["is_valid"] = False
result["errors"].append(f"结构验证失败: {e!s}")
return result
def validate_structure_ids(self, *, structure: Any, template_id: int | None = None) -> dict[str, Any]:
if not structure:
return {"success": False, "message": "缺少结构数据"}
try:
is_valid, errors = self.folder_template_service.validate_structure_ids(structure, template_id)
return {"success": True, "is_valid": is_valid, "errors": errors}
except Exception as e:
logger.exception(
"validate_structure_ids 失败",
extra={"template_id": template_id, "error": str(e)},
)
return {"success": False, "message": f"验证失败: {e!s}"}
def get_duplicate_report(self) -> dict[str, Any]:
try:
report = self.folder_template_service.get_duplicate_id_report()
return {"success": True, "report": report}
except Exception as e:
logger.exception("获取重复 ID 报告失败", extra={"error": str(e)})
return {"success": False, "error": str(e)}
@transaction.atomic
def initialize_default_templates(self) -> dict[str, Any]:
"""
初始化默认文件夹模板
Args:
request: HTTP请求
Returns:
初始化结果
"""
try:
from .folder_template.default_templates import get_default_folder_templates
default_templates = get_default_folder_templates()
existing_names = set(
FolderTemplate.objects.filter(name__in=[t["name"] for t in default_templates]).values_list(
"name", flat=True
)
)
to_create = [
FolderTemplate(**template_data)
for template_data in default_templates
if template_data["name"] not in existing_names
]
FolderTemplate.objects.bulk_create(to_create, ignore_conflicts=True)
created_count = len(to_create)
skipped_count = len(default_templates) - created_count
messages_out: list[dict[str, str]] = []
if created_count > 0:
messages_out.append({"level": "success", "message": f"✅ 成功初始化 {created_count} 个默认文件夹模板"})
if skipped_count > 0:
messages_out.append({"level": "info", "message": f"ℹ️ 跳过 {skipped_count} 个已存在的模板"})
if created_count == 0 and skipped_count == 0:
messages_out.append({"level": "warning", "message": "⚠️ 没有可初始化的模板"})
return {
"success": True,
"created_count": created_count,
"skipped_count": skipped_count,
"messages": messages_out,
}
except Exception as e:
logger.exception("初始化默认文件夹模板失败", extra={"error": str(e)})
return {
"success": False,
"error": str(e),
"messages": [{"level": "error", "message": f"❌ 初始化失败:{e!s}"}],
}
def prepare_save_data(
self,
template_type: str,
contract_types_field: list[str],
case_types_field: list[str],
case_stage_field: str,
legal_statuses_field: list[str] | None = None,
legal_status_match_mode: str | None = None,
) -> dict[str, Any]:
"""
准备保存数据
Args:
template_type: 模板类型
contract_types_field: 合同类型列表
case_types_field: 案件类型列表
case_stage_field: 案件阶段
legal_statuses_field: 诉讼地位列表
legal_status_match_mode: 诉讼地位匹配模式
Returns:
准备好的数据字典
"""
data = {
"template_type": template_type,
"contract_types": [],
"case_types": [],
"case_stages": [],
"legal_statuses": [],
"legal_status_match_mode": LegalStatusMatchMode.ANY,
}
if template_type == FolderTemplateType.CONTRACT:
data["contract_types"] = contract_types_field or []
# 合同模板清空诉讼地位字段
data["legal_statuses"] = []
data["legal_status_match_mode"] = LegalStatusMatchMode.ANY
elif template_type == FolderTemplateType.CASE:
data["case_types"] = case_types_field or []
data["case_stages"] = [case_stage_field] if case_stage_field else []
# 案件模板保存诉讼地位字段
data["legal_statuses"] = legal_statuses_field or []
data["legal_status_match_mode"] = legal_status_match_mode or LegalStatusMatchMode.ANY
else:
data["contract_types"] = contract_types_field or []
data["case_types"] = case_types_field or []
data["case_stages"] = [case_stage_field] if case_stage_field else []
data["legal_statuses"] = legal_statuses_field or []
data["legal_status_match_mode"] = legal_status_match_mode or LegalStatusMatchMode.ANY
return data
def render_structure_tree(self, structure: dict[str, Any], level: int = 0) -> str:
"""
递归渲染文件夹树HTML
Args:
structure: 文件夹结构
level: 当前层级
Returns:
HTML字符串
"""
if not structure:
return ""
children = structure.get("children", [])
if not children:
return ""
html_parts: list[Any] = []
if level == 0:
html_parts.append('<div style="font-family: monospace; line-height: 1.4; color: #333;">')
html_parts.append(f'<ul style="list-style: none; margin: 0; padding-left: {20 if level > 0 else 0}px;">')
for i, child in enumerate(children):
name = child.get("name", "未命名")
is_last = i == len(children) - 1
prefix = "└── " if is_last else "├── "
if level == 0:
prefix = "📁 "
html_parts.append('<li style="margin: 1px 0; white-space: nowrap;">')
html_parts.append(f'<span style="color: #666; font-weight: normal;">{prefix}</span>')
html_parts.append(f'<span style="color: #333; font-weight: 500;">{name}</span>')
sub_html = self.render_structure_tree(child, level + 1)
if sub_html:
html_parts.append(sub_html)
html_parts.append("</li>")
html_parts.append("</ul>")
if level == 0:
html_parts.append("</div>")
return "".join(html_parts)
def render_structure_preview(self, structure: dict[str, Any]) -> Any:
html = self.render_structure_tree(structure)
return mark_safe(f'<div class="folder-structure-preview">{html}</div>')
def duplicate_template(self, template: Any) -> Any:
"""
复制文件夹模板
Args:
template: 要复制的模板
Returns:
新创建的模板
"""
# 生成新名称
new_name = f"{template.name} (副本)"
suffix = 1
while FolderTemplate.objects.filter(name=new_name).exists():
new_name = f"{template.name} (副本 {suffix})"
suffix += 1
# 创建副本
return FolderTemplate.objects.create(
name=new_name,
template_type=template.template_type,
case_types=template.case_types.copy() if template.case_types else [],
case_stages=template.case_stages.copy() if template.case_stages else [],
contract_types=template.contract_types.copy() if template.contract_types else [],
legal_statuses=template.legal_statuses.copy() if template.legal_statuses else [],
legal_status_match_mode=template.legal_status_match_mode,
structure=template.structure.copy() if template.structure else {},
is_active=False,
)
def batch_duplicate_templates(self, queryset: Any) -> int:
"""
批量复制文件夹模板
Args:
queryset: 要复制的模板查询集
Returns:
复制的数量
"""
count = 0
for template in queryset:
self.duplicate_template(template)
count += 1
return count
def get_structure_json(self, pk: int) -> dict[str, Any]:
"""
查询 FolderTemplate 并返回结构 JSON
Args:
pk: 模板主键
Returns:
包含 success, structure, name 的字典
Raises:
NotFoundError: 模板不存在时抛出
"""
try:
template = FolderTemplate.objects.get(pk=pk)
except FolderTemplate.DoesNotExist:
raise NotFoundError(
message=_("模板不存在"),
code="FOLDER_TEMPLATE_NOT_FOUND",
errors={"pk": pk},
)
return {
"success": True,
"structure": template.structure,
"name": template.name,
}
def batch_activate(self, queryset: Any) -> int:
"""
批量启用模板
Args:
queryset: 要启用的模板查询集
Returns:
实际启用的数量
"""
return queryset.filter(is_active=False).update(is_active=True)
def batch_deactivate(self, queryset: Any) -> int:
"""
批量禁用模板
Args:
queryset: 要禁用的模板查询集
Returns:
实际禁用的数量
"""
return queryset.filter(is_active=True).update(is_active=False)
def get_folder_template_by_pk(self, pk: int | str) -> Any:
"""
根据主键获取 FolderTemplate，供 FolderBindingForm 使用
Args:
pk: 模板主键
Returns:
FolderTemplate 实例
Raises:
NotFoundError: 模板不存在时抛出
"""
try:
return FolderTemplate.objects.get(pk=pk)
except FolderTemplate.DoesNotExist:
raise NotFoundError(
message=_("模板不存在"),
code="FOLDER_TEMPLATE_NOT_FOUND",
errors={"pk": pk},
)
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