| """ |
| 文书模板文件夹绑定 Admin 配置 |
| """ |
|
|
| from __future__ import annotations |
|
|
| from typing import Any, ClassVar |
|
|
| from django import forms |
| from django.contrib import admin |
| from django.http import HttpRequest |
| from django.utils.html import format_html |
| from django.utils.translation import gettext_lazy as _ |
|
|
| from apps.core.exceptions import NotFoundError |
| from apps.documents.models import DocumentTemplateFolderBinding, FolderTemplate |
|
|
|
|
| def _get_folder_template_admin_service() -> Any: |
| from ..services import FolderTemplateAdminService |
|
|
| return FolderTemplateAdminService() |
|
|
|
|
| class FolderNodeChoiceField(forms.ChoiceField): |
| """动态加载文件夹节点的选择字段""" |
|
|
| def __init__(self, *args: Any, **kwargs: Any) -> None: |
| kwargs.setdefault("choices", [("", "---------")]) |
| super().__init__(*args, **kwargs) |
|
|
|
|
| class DocumentTemplateFolderBindingForm(forms.ModelForm[DocumentTemplateFolderBinding]): |
| """文书模板文件夹绑定表单""" |
|
|
| folder_node_id = FolderNodeChoiceField( |
| label=_("目标文件夹"), |
| help_text=_("选择文书生成后存放的文件夹位置"), |
| ) |
|
|
| class Meta: |
| model = DocumentTemplateFolderBinding |
| fields: str = "__all__" |
|
|
| def __init__(self, *args: Any, **kwargs: Any) -> None: |
| super().__init__(*args, **kwargs) |
|
|
| |
| folder_template_id: int | str | None = None |
| if self.instance and self.instance.pk: |
| folder_template_id = self.instance.folder_template_id |
| elif self.data.get("folder_template"): |
| folder_template_id = self.data.get("folder_template") |
|
|
| if folder_template_id: |
| try: |
| service = _get_folder_template_admin_service() |
| folder_template: FolderTemplate = service.get_folder_template_by_pk(folder_template_id) |
| choices = self._get_folder_choices(folder_template) |
| self.fields["folder_node_id"].choices = choices |
| except NotFoundError: |
| pass |
|
|
| def _get_folder_choices(self, folder_template: FolderTemplate) -> list[tuple[str, str]]: |
| """从文件夹模板结构中提取所有节点作为选项""" |
| choices: list[tuple[str, str]] = [("", "---------")] |
| structure = folder_template.structure |
| if structure: |
| self._extract_nodes(structure.get("children", []), choices, "") |
| return choices |
|
|
| def _extract_nodes(self, children: list[Any], choices: list[tuple[str, str]], prefix: str) -> None: |
| """递归提取节点""" |
| for child in children: |
| node_id = child.get("id", "") |
| node_name = child.get("name", "") |
| display_name = f"{prefix}{node_name}" if prefix else node_name |
| if node_id: |
| choices.append((node_id, display_name)) |
| |
| sub_children = child.get("children", []) |
| if sub_children: |
| new_prefix = f"{display_name} / " |
| self._extract_nodes(sub_children, choices, new_prefix) |
|
|
|
|
| @admin.register(DocumentTemplateFolderBinding) |
| class DocumentTemplateFolderBindingAdmin(admin.ModelAdmin[DocumentTemplateFolderBinding]): |
| """文书模板文件夹绑定管理""" |
|
|
| form = DocumentTemplateFolderBindingForm |
| change_form_template = "admin/documents/documenttemplatefolderbinding/change_form.html" |
| change_list_template = "admin/documents/documenttemplatefolderbinding/change_list.html" |
|
|
| list_display = ( |
| "document_template", |
| "folder_template", |
| "folder_path_display", |
| "is_active", |
| "updated_at", |
| ) |
|
|
| list_filter = ( |
| "folder_template", |
| "is_active", |
| "document_template__template_type", |
| ) |
|
|
| search_fields = ( |
| "document_template__name", |
| "folder_template__name", |
| "folder_node_path", |
| ) |
|
|
| autocomplete_fields: ClassVar[list[str]] = ["document_template", "folder_template"] |
| list_select_related: ClassVar[tuple[str, ...]] = ("document_template", "folder_template") |
|
|
| readonly_fields = ("folder_node_path", "created_at", "updated_at") |
|
|
| fieldsets = ( |
| (None, {"fields": ("document_template", "folder_template", "folder_node_id")}), |
| ( |
| _("位置信息"), |
| { |
| "fields": ("folder_node_path",), |
| "classes": ("collapse",), |
| }, |
| ), |
| (_("设置"), {"fields": ("is_active",)}), |
| ( |
| _("时间信息"), |
| { |
| "fields": ("created_at", "updated_at"), |
| "classes": ("collapse",), |
| }, |
| ), |
| ) |
|
|
| class Media: |
| js: ClassVar[tuple[str, ...]] = ("documents/js/folder_binding_admin.js",) |
|
|
| @admin.display(description=_("文件夹路径")) |
| def folder_path_display(self, obj: DocumentTemplateFolderBinding) -> Any: |
| """显示文件夹路径""" |
| if obj.folder_node_path: |
| return format_html('<span style="color: #666; font-family: monospace;">{}</span>', obj.folder_node_path) |
| return "-" |
|
|
| def save_model(self, request: HttpRequest, obj: DocumentTemplateFolderBinding, form: Any, change: bool) -> None: |
| """保存时自动计算路径""" |
| |
| super().save_model(request, obj, form, change) |
|
|
