| """LPR Admin配置. |
| |
| 提供LPR利率数据的管理界面，包含： |
| - LPR数据列表和编辑 |
| - 手动同步按钮 |
| - 计算器入口 |
| """ |
|
|
| from __future__ import annotations |
|
|
| import logging |
| from typing import TYPE_CHECKING |
|
|
| from django.contrib import admin |
| from django.http import HttpRequest, HttpResponse, HttpResponseRedirect |
| from django.shortcuts import render |
| from django.template.response import TemplateResponse |
| from django.urls import URLPattern, path |
| from django.utils.translation import gettext_lazy as _ |
|
|
| from apps.cases.admin.base_admin import BaseModelAdmin |
| from apps.finance.models.lpr_rate import LPRRate |
|
|
| if TYPE_CHECKING: |
| from apps.users.models import User |
|
|
| logger = logging.getLogger(__name__) |
|
|
|
|
| @admin.register(LPRRate) |
| class LPRRateAdmin(BaseModelAdmin): |
| """LPR利率Admin配置. |
| |
| LPR数据只能通过同步获取，不允许手动添加/修改/删除。 |
| """ |
|
|
| list_display = ( |
| "effective_date", |
| "rate_1y", |
| "rate_5y", |
| "is_auto_synced", |
| "source", |
| "updated_at", |
| ) |
| list_filter = ( |
| "effective_date", |
| "is_auto_synced", |
| ) |
| search_fields = ( |
| "effective_date", |
| "source", |
| ) |
| ordering = ("-effective_date",) |
| readonly_fields = ( |
| "effective_date", |
| "rate_1y", |
| "rate_5y", |
| "source", |
| "is_auto_synced", |
| "created_at", |
| "updated_at", |
| ) |
|
|
| def has_add_permission(self, request: HttpRequest) -> bool: |
| """禁止手动添加LPR数据.""" |
| return False |
|
|
| def has_change_permission(self, request: HttpRequest, obj=None) -> bool: |
| """禁止修改LPR数据.""" |
| return False |
|
|
| def has_delete_permission(self, request: HttpRequest, obj=None) -> bool: |
| """禁止删除LPR数据.""" |
| return False |
|
|
| fieldsets = ( |
| ( |
| None, |
| { |
| "fields": ( |
| "effective_date", |
| "rate_1y", |
| "rate_5y", |
| ) |
| }, |
| ), |
| ( |
| _("元数据"), |
| { |
| "fields": ( |
| "source", |
| "is_auto_synced", |
| "created_at", |
| "updated_at", |
| ), |
| "classes": ("collapse",), |
| }, |
| ), |
| ) |
|
|
| def get_urls(self) -> list[URLPattern]: |
| """添加自定义URL路由.""" |
| urls = super().get_urls() |
| custom_urls = [ |
| path( |
| "sync/", |
| self.admin_site.admin_view(self.sync_view), |
| name="finance_lprrate_sync", |
| ), |
| path( |
| "calculator/", |
| self.admin_site.admin_view(self.calculator_view), |
| name="finance_lprrate_calculator", |
| ), |
| ] |
| return custom_urls + urls |
|
|
| def changelist_view(self, request: HttpRequest, extra_context: dict | None = None) -> TemplateResponse: |
| """列表页面视图，添加快捷操作按钮.""" |
| extra_context = extra_context or {} |
| extra_context["sync_url"] = "sync/" |
| extra_context["calculator_url"] = "calculator/" |
|
|
| |
| try: |
| from apps.finance.services.lpr import LPRSyncService |
|
|
| service = LPRSyncService() |
| status = service.get_sync_status() |
| extra_context["sync_status"] = status |
| except Exception as e: |
| logger.warning(f"[LPRAdmin] Failed to get sync status: {e}") |
| extra_context["sync_status"] = None |
|
|
| return super().changelist_view(request, extra_context=extra_context) |
|
|
| def sync_view(self, request: HttpRequest) -> HttpResponse: |
| """同步LPR数据视图 - 直接执行同步.""" |
| from apps.core.exceptions import BusinessException |
| from apps.finance.services.lpr import LPRSyncService |
|
|
| user: User = request.user |
| logger.info(f"[LPRAdmin] User {user.id} triggered sync from admin") |
|
|
| try: |
| service = LPRSyncService() |
| result = service.sync_latest() |
|
|
| self.message_user( |
| request, |
| _("LPR数据同步成功：新增 %(created)s 条，更新 %(updated)s 条，跳过 %(skipped)s 条") % result, |
| ) |
| except BusinessException as e: |
| logger.error(f"[LPRAdmin] Sync failed: {e}") |
| self.message_user(request, f"同步失败: {e}", level="error") |
| except Exception as e: |
| logger.error(f"[LPRAdmin] Unexpected error during sync: {e}") |
| self.message_user(request, f"同步失败: {e!s}", level="error") |
|
|
| return HttpResponseRedirect("../") |
|
|
| def calculator_view(self, request: HttpRequest) -> TemplateResponse: |
| """LPR计算器视图.""" |
| from apps.finance.models.lpr_rate import LPRRate |
|
|
| |
| recent_rates = LPRRate.objects.all()[:10] |
|
|
| context = { |
| **self.admin_site.each_context(request), |
| "title": _("LPR利息计算器"), |
| "opts": self.model._meta, |
| "recent_rates": recent_rates, |
| } |
| return render(request, "admin/finance/lpr/calculator.html", context) |
|
|
