From dc64a28efb75df0b1d9c290c4209ddba8594b944 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Sat, 20 Dec 2025 02:26:34 -0800
Subject: [PATCH] =?UTF-8?q?refactor(reporting-service):=20=E7=A7=BB?=
 =?UTF-8?q?=E9=99=A4=E4=BB=AA=E8=A1=A8=E6=9D=BF=E5=8C=BA=E5=9F=9F=E5=88=86?=
 =?UTF-8?q?=E5=B8=83=E5=92=8C=E8=B6=8B=E5=8A=BF=E7=9A=84=E6=A8=A1=E6=8B=9F?=
 =?UTF-8?q?=E6=95=B0=E6=8D=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 区域分布无真实数据源时返回空数组
- 趋势数据无数据时返回空数组
- 删除 generateTrendData 模拟方法

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../services/dashboard-application.service.ts | 40 ++++---------------
 1 file changed, 7 insertions(+), 33 deletions(-)

diff --git a/backend/services/reporting-service/src/application/services/dashboard-application.service.ts b/backend/services/reporting-service/src/application/services/dashboard-application.service.ts
index 8e082d68..230eda41 100644
--- a/backend/services/reporting-service/src/application/services/dashboard-application.service.ts
+++ b/backend/services/reporting-service/src/application/services/dashboard-application.service.ts
@@ -159,7 +159,7 @@ export class DashboardApplicationService {
 
   /**
    * 获取趋势图表数据
-   * 从 RealtimeStats 表读取每日统计数据
+   * 从 RealtimeStats 表读取每日统计数据，无数据时返回空数组
    */
   async getTrendData(period: DashboardPeriod): Promise<DashboardTrendResponseDto> {
     this.logger.debug(`Fetching dashboard trend data for period: ${period}`);
@@ -186,9 +186,8 @@ export class DashboardApplicationService {
           value: item.plantingCount,
         }));
       } else {
-        // 如果没有数据，生成模拟数据
-        this.logger.debug('No trend data found, generating mock data');
-        data = this.generateTrendData(days);
+        // 无数据时返回空数组
+        data = [];
       }
     }
 
@@ -254,43 +253,18 @@ export class DashboardApplicationService {
 
   /**
    * 获取区域分布数据
+   * 无数据时返回空数组
    */
   async getRegionDistribution(): Promise<DashboardRegionResponseDto> {
     this.logger.debug('Fetching region distribution');
 
-    // TODO: 从 planting-service 获取真实区域分布
-    // 目前返回模拟数据
-    const regions: RegionDistributionItemDto[] = [
-      { region: '华东地区', percentage: 35, color: '#1565C0' },
-      { region: '华南地区', percentage: 25, color: '#4CAF50' },
-      { region: '华北地区', percentage: 20, color: '#F5A623' },
-      { region: '华中地区', percentage: 12, color: '#9C27B0' },
-      { region: '其他地区', percentage: 8, color: '#607D8B' },
-    ];
+    // TODO: 从 planting-service 获取真实区域分布数据
+    // 目前无真实数据源，返回空数组
+    const regions: RegionDistributionItemDto[] = [];
 
     return { regions };
   }
 
-  /**
-   * 生成趋势数据（模拟）
-   */
-  private generateTrendData(days: number): TrendDataPointDto[] {
-    const data: TrendDataPointDto[] = [];
-    const now = new Date();
-
-    for (let i = days - 1; i >= 0; i--) {
-      const date = new Date(now);
-      date.setDate(date.getDate() - i);
-
-      data.push({
-        date: this.formatDate(date),
-        value: Math.floor(Math.random() * 300) + 100, // 100-400随机值
-      });
-    }
-
-    return data;
-  }
-
   /**
    * 格式化日期为 MM-DD 格式
    */