From 5f9bd7da3eead7ae9166015b0cf7bed5399d106b Mon Sep 17 00:00:00 2001
From: xiaji <rembme@163.com>
Date: Wed, 21 Jan 2026 22:25:59 +0800
Subject: [PATCH] =?UTF-8?q?feat(=E6=8A=A5=E5=91=8A):=20=E6=B7=BB=E5=8A=A0P?=
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新增预览PDF报告功能，允许用户在生成正式PDF前查看HTML格式的预览，样式与PDF保持一致。该功能使用与PDF相同的模板渲染，方便用户确认报告内容无误后再生成正式文件。
---
 core/urls.py  |  1 +
 core/views.py | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/core/urls.py b/core/urls.py
index 46a83a4..8068c73 100644
--- a/core/urls.py
+++ b/core/urls.py
@@ -40,6 +40,7 @@ urlpatterns = [
     path('report/', views.generate_report, name='generate_report'),
     path('report/<str:date>/', views.view_report, name='view_report'),
     path('report/<str:date>/pdf/', views.generate_pdf_report, name='generate_pdf_report'),
+    path('report/<str:date>/preview/', views.preview_pdf_report, name='preview_pdf_report'),
     
     # 系统配置
     path('settings/', views.system_settings, name='system_settings'),
diff --git a/core/views.py b/core/views.py
index 596271e..b87c1fe 100644
--- a/core/views.py
+++ b/core/views.py
@@ -560,6 +560,38 @@ def generate_pdf_report(request, date):
         logger.error(f"生成PDF报告失败: {str(e)}")
         return HttpResponse(f"生成PDF报告失败: {str(e)}", status=500)
 
+# 预览PDF报告
+def preview_pdf_report(request, date):
+    """预览PDF报告（HTML格式，样式与PDF一致）"""
+    logger.info(f"用户预览PDF报告: {date}")
+    
+    try:
+        report_date = datetime.strptime(date, '%Y-%m-%d').date()
+        yesterday = report_date - timedelta(days=1)
+        
+        # 获取指定日期的记录
+        yesterday_reading = ReadingRecord.objects.filter(date=yesterday)
+        yesterday_insight = InsightRecord.objects.filter(date=yesterday)
+        today_plan = TodayPlan.objects.filter(date=report_date)
+        
+        # 获取家庭事项统计
+        family_task_stats = FamilyTask.objects.values('type').annotate(count=Count('id'))
+        
+        context = {
+            'today': report_date,
+            'yesterday': yesterday,
+            'yesterday_reading': yesterday_reading,
+            'yesterday_insight': yesterday_insight,
+            'today_plan': today_plan,
+            'family_task_stats': family_task_stats,
+        }
+        
+        # 渲染HTML模板（与PDF使用相同的模板）
+        return render(request, 'core/report_pdf.html', context)
+    except Exception as e:
+        logger.error(f"预览PDF报告失败: {str(e)}")
+        return HttpResponse(f"预览PDF报告失败: {str(e)}", status=500)
+
 # 系统配置
 def system_settings(request):
     """系统配置"""