调整趋势图功能，加入了查询数据库，分析群聊聊天数量的功能

db/message_storage.py

@@ -85,3 +85,26 @@ class MessageStorageDB(BaseDBOperator):
         """
         params = (group_id, wx_id, date, count)
         return self.execute_update(sql, params)
+    
+    
+    def get_message_trend(self, group_id: str, days: int = 7) -> List[Dict]:
+        """获取指定群组的消息趋势数据
+        
+        Args:
+            group_id: 群组ID
+            days: 获取最近几天的数据，默认7天
+            
+        Returns:
+            包含日期和消息数量的列表
+        """
+        sql = """
+        SELECT 
+            DATE(timestamp) as date,
+            COUNT(*) as message_count
+        FROM messages
+        WHERE group_id = %s
+        AND timestamp >= DATE_SUB(CURDATE(), INTERVAL %s DAY)
+        GROUP BY DATE(timestamp)
+        ORDER BY date
+        """
+        return self.execute_query(sql, (group_id, days)) or []

plugins/stats_dashboard/dashboard_server.py

@@ -1,11 +1,13 @@
 import logging
-from typing import Dict, Any, Optional
 import threading
 import time
 import os
+from datetime import datetime
+
 from flask import Flask, render_template, request, jsonify, redirect, url_for, session, send_from_directory
 
 from db.connection import DBConnectionManager
+from db.message_storage import MessageStorageDB
 from db.stats_db import StatsDBOperator
 from utils.wechat.contact_manager import ContactManager
 from robot_cmd.robot_command import GroupBotManager, Feature, PermissionStatus
@@ -24,6 +26,7 @@ class DashboardServer:
         # 修正：使用单例模式获取数据库连接
         self.db_manager = DBConnectionManager.get_instance()
         self.stats_db = StatsDBOperator(self.db_manager)
+        self.message_storage = MessageStorageDB(self.db_manager)
         # 获取联系人管理器实例
         self.contact_manager = ContactManager.get_instance()
         self.app = self._create_app()
@@ -286,6 +289,40 @@ class DashboardServer:
             self.logger.info(f"看板主页/api/plugin_trend: {trend}")
             return jsonify({"success": True, "data": trend})
 
+        @app.route('/api/robot/group/<group_id>/message_trend', methods=['GET'])
+        def get_group_message_trend(group_id):
+            """获取群组消息趋势数据"""
+            try:
+                days = request.args.get('days', default=7, type=int)
+                # 获取消息存储实例
+                trend_data = self.message_storage.get_message_trend(group_id, days)
+                
+                # 格式化数据为前端需要的格式
+                dates = []
+                counts = []
+                for item in trend_data:
+                    # 将日期转换为字符串
+                    if isinstance(item['date'], datetime):
+                        date_str = item['date'].strftime('%Y-%m-%d')
+                    else:
+                        date_str = str(item['date'])
+                    
+                    dates.append(date_str)
+                    counts.append(item['message_count'])
+                
+                return jsonify({
+                    'success': True,
+                    'data': {
+                        'dates': dates,
+                        'counts': counts
+                    }
+                })
+            except Exception as e:
+                return jsonify({
+                    'success': False,
+                    'error': str(e)
+                })
+
         return app
 
     def run(self) -> None:

plugins/stats_dashboard/templates/robot_management.html

@@ -45,7 +45,7 @@
                             </el-tag>
                         </template>
                     </el-table-column>
-                    <el-table-column label="操作" width="200">
+                    <el-table-column label="操作" width="280">
                         <template slot-scope="scope">
                             <el-button 
                                 size="mini" 
@@ -59,6 +59,12 @@
                                 @click="toggleRobotStatus(scope.row)">
                                 {% raw %}{{ scope.row.robot_status === 'enabled' ? '关闭' : '启用' }}{% endraw %}
                             </el-button>
+                            <el-button 
+                                size="mini" 
+                                type="info" 
+                                @click="viewMessageTrend(scope.row)">
+                                消息趋势
+                            </el-button>
                         </template>
                     </el-table-column>
                 </el-table>
@@ -130,6 +136,27 @@
             <el-button type="primary" @click="submitAddGroup">确定</el-button>
         </span>
     </el-dialog>
+    
+    <!-- 群组消息趋势图对话框 -->
+    <el-dialog 
+        :title="currentGroupName + ' 消息趋势'" 
+        :visible.sync="trendDialogVisible"
+        width="70%">
+        <div v-if="trendLoading" style="text-align: center; padding: 20px;">
+            <i class="el-icon-loading"></i>
+            <p>加载中...</p>
+        </div>
+        <div v-else>
+            <canvas id="messageTrendChart" style="width: 100%; height: 400px;"></canvas>
+            <div style="margin-top: 20px; text-align: center;">
+                <el-radio-group v-model="trendDays" @change="loadMessageTrend">
+                    <el-radio-button :label="7">最近7天</el-radio-button>
+                    <el-radio-button :label="14">最近14天</el-radio-button>
+                    <el-radio-button :label="30">最近30天</el-radio-button>
+                </el-radio-group>
+            </div>
+        </div>
+    </el-dialog>
 </div>
 {% endblock %}
 
@@ -157,7 +184,12 @@
                         { required: true, message: '请输入群组ID', trigger: 'blur' },
                         { pattern: /^\S+$/, message: '群组ID不能包含空格', trigger: 'blur' }
                     ]
-                }
+                },
+                // 趋势图相关数据
+                trendDialogVisible: false,
+                trendLoading: false,
+                trendDays: 7,
+                trendChart: null
             }
         },
         computed: {
@@ -481,6 +513,94 @@
                         this.$message.error('批量移除失败: ' + error.message);
                     });
                 }).catch(() => {});
+            },
+            // 查看消息趋势
+            viewMessageTrend(group) {
+                this.currentGroupId = group.group_id;
+                this.currentGroupName = group.group_name || group.group_id;
+                this.trendDialogVisible = true;
+                this.loadMessageTrend();
+            },
+            
+            loadMessageTrend() {
+                this.trendLoading = true;
+                
+                axios.get(`/api/robot/group/${this.currentGroupId}/message_trend?days=${this.trendDays}`)
+                    .then(response => {
+                        if (response.data.success) {
+                            this.renderTrendChart(response.data.data);
+                        } else {
+                            this.$message.error('加载消息趋势失败');
+                        }
+                        this.trendLoading = false;
+                    })
+                    .catch(error => {
+                        console.error('加载消息趋势失败:', error);
+                        this.$message.error('加载消息趋势失败: ' + error.message);
+                        this.trendLoading = false;
+                    });
+            },
+            
+            renderTrendChart(data) {
+                // 确保DOM元素已经渲染
+                this.$nextTick(() => {
+                    // 如果已有图表，先销毁
+                    if (this.trendChart) {
+                        this.trendChart.destroy();
+                    }
+                    
+                    // 获取canvas元素
+                    const ctx = document.getElementById('messageTrendChart').getContext('2d');
+                    
+                    // 创建新图表
+                    this.trendChart = new Chart(ctx, {
+                        type: 'line',
+                        data: {
+                            labels: data.dates,
+                            datasets: [{
+                                label: '消息数量',
+                                data: data.counts,
+                                backgroundColor: 'rgba(75, 192, 192, 0.2)',
+                                borderColor: 'rgba(75, 192, 192, 1)',
+                                borderWidth: 2,
+                                tension: 0.3,
+                                fill: true
+                            }]
+                        },
+                        options: {
+                            responsive: true,
+                            maintainAspectRatio: false,
+                            plugins: {
+                                title: {
+                                    display: true,
+                                    text: '群聊消息数量趋势'
+                                },
+                                tooltip: {
+                                    mode: 'index',
+                                    intersect: false
+                                },
+                                legend: {
+                                    position: 'top',
+                                }
+                            },
+                            scales: {
+                                y: {
+                                    beginAtZero: true,
+                                    title: {
+                                        display: true,
+                                        text: '消息数量'
+                                    }
+                                },
+                                x: {
+                                    ticks: {
+                                        maxRotation: 45,
+                                        minRotation: 45
+                                    }
+                                }
+                            }
+                        }
+                    });
+                });
             }
         }
     });