1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
package com.ruoyi.wrzs.monitor.service;
 
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.wrzs.monitor.mapper.MonitorAlarmMapper;
import com.ruoyi.wrzs.monitor.mapper.MonitorControlMapper;
import com.ruoyi.wrzs.monitor.mapper.MonitorDataMapper;
import com.ruoyi.wrzs.monitor.mapper.MonitorDeviceMapper;
import com.ruoyi.wrzs.monitor.mapper.MonitorMetricMapper;
import com.ruoyi.wrzs.monitor.pojo.MonitorAlarm;
import com.ruoyi.wrzs.monitor.pojo.MonitorControl;
import com.ruoyi.wrzs.monitor.pojo.MonitorData;
import com.ruoyi.wrzs.monitor.pojo.MonitorDevice;
import com.ruoyi.wrzs.monitor.pojo.MonitorMetric;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
 
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
/**
 * 远程监控设备业务
 * <p>
 * 设备(温度/压力/能耗) -> 指标阈值监测 -> 越限自动报警 -> 远程启停控制
 * 不支持在线监测/远程控制的设备如实标记,页面不做假数据,支持人工补录与人工登记
 */
@Slf4j
@AllArgsConstructor
@Service
public class MonitorService {
 
    private final MonitorDeviceMapper deviceMapper;
    private final MonitorMetricMapper metricMapper;
    private final MonitorDataMapper dataMapper;
    private final MonitorAlarmMapper alarmMapper;
    private final MonitorControlMapper controlMapper;
 
    // ==================== 设备台账 ====================
 
    public IPage<MonitorDevice> devicePage(Page<MonitorDevice> page, MonitorDevice query) {
        return deviceMapper.selectPage(page, Wrappers.<MonitorDevice>lambdaQuery()
                .like(StringUtils.hasText(query.getDeviceName()), MonitorDevice::getDeviceName, query.getDeviceName())
                .like(StringUtils.hasText(query.getDeviceCode()), MonitorDevice::getDeviceCode, query.getDeviceCode())
                .eq(StringUtils.hasText(query.getDeviceType()), MonitorDevice::getDeviceType, query.getDeviceType())
                .eq(StringUtils.hasText(query.getOnlineStatus()), MonitorDevice::getOnlineStatus, query.getOnlineStatus())
                .eq(StringUtils.hasText(query.getLocation()), MonitorDevice::getLocation, query.getLocation())
                .orderByDesc(MonitorDevice::getId));
    }
 
    public List<MonitorDevice> deviceList() {
        return deviceMapper.selectList(Wrappers.<MonitorDevice>lambdaQuery().orderByAsc(MonitorDevice::getDeviceCode));
    }
 
    /** 设备详情(附带监测指标) */
    public Map<String, Object> deviceInfo(Long id) {
        Map<String, Object> result = new HashMap<>();
        MonitorDevice device = deviceMapper.selectById(id);
        result.put("device", device);
        result.put("metrics", metricList(id));
        return result;
    }
 
    @Transactional(rollbackFor = Exception.class)
    public boolean deviceSave(MonitorDevice device) {
        if (!StringUtils.hasText(device.getOnlineStatus())) {
            device.setOnlineStatus("1");
        }
        if (!StringUtils.hasText(device.getRunStatus())) {
            device.setRunStatus("0");
        }
        if (!StringUtils.hasText(device.getMonitorEnabled())) {
            device.setMonitorEnabled("1");
        }
        if (!StringUtils.hasText(device.getControlEnabled())) {
            device.setControlEnabled("0");
        }
        return deviceMapper.insert(device) > 0;
    }
 
    public boolean deviceUpdate(MonitorDevice device) {
        return deviceMapper.updateById(device) > 0;
    }
 
    public boolean deviceRemove(List<Long> ids) {
        if (CollectionUtils.isEmpty(ids)) {
            return false;
        }
        metricMapper.delete(Wrappers.<MonitorMetric>lambdaQuery().in(MonitorMetric::getDeviceId, ids));
        return deviceMapper.deleteBatchIds(ids) > 0;
    }
 
    // ==================== 监测指标 ====================
 
    public List<MonitorMetric> metricList(Long deviceId) {
        return metricMapper.selectList(Wrappers.<MonitorMetric>lambdaQuery()
                .eq(deviceId != null, MonitorMetric::getDeviceId, deviceId)
                .orderByAsc(MonitorMetric::getId));
    }
 
    public boolean metricSave(MonitorMetric metric) {
        if (!StringUtils.hasText(metric.getAlarmEnabled())) {
            metric.setAlarmEnabled("1");
        }
        if (!StringUtils.hasText(metric.getCollectType())) {
            metric.setCollectType("0");
        }
        return metricMapper.insert(metric) > 0;
    }
 
    public boolean metricUpdate(MonitorMetric metric) {
        return metricMapper.updateById(metric) > 0;
    }
 
    public boolean metricRemove(List<Long> ids) {
        if (CollectionUtils.isEmpty(ids)) {
            return false;
        }
        return metricMapper.deleteBatchIds(ids) > 0;
    }
 
    // ==================== 数据采集与报警 ====================
 
    /**
     * 采集数据上报(自动采集端调用,也可由页面模拟采集)
     * 写入历史数据、更新指标当前值,并做阈值报警判定
     */
    @Transactional(rollbackFor = Exception.class)
    public MonitorAlarm dataReport(Long deviceId, String metricCode, BigDecimal value, String dataSource) {
        MonitorDevice device = deviceMapper.selectById(deviceId);
        if (device == null) {
            throw new IllegalArgumentException("设备不存在");
        }
        MonitorMetric metric = metricMapper.selectOne(Wrappers.<MonitorMetric>lambdaQuery()
                .eq(MonitorMetric::getDeviceId, deviceId)
                .eq(MonitorMetric::getMetricCode, metricCode)
                .last("limit 1"));
        if (metric == null) {
            throw new IllegalArgumentException("未配置该监测指标");
        }
        LocalDateTime now = LocalDateTime.now();
        metric.setCurrentValue(value);
        metric.setLastCollectTime(now);
        metric.setCollectType("1".equals(dataSource) ? "1" : "0");
        metricMapper.updateById(metric);
 
        MonitorData data = new MonitorData();
        data.setDeviceId(deviceId);
        data.setDeviceName(device.getDeviceName());
        data.setMetricCode(metric.getMetricCode());
        data.setMetricName(metric.getMetricName());
        data.setMetricValue(value);
        data.setUnit(metric.getUnit());
        data.setCollectTime(now);
        data.setDataSource("1".equals(dataSource) ? "1" : "0");
        dataMapper.insert(data);
 
        device.setLastHeartbeat(now);
        device.setOnlineStatus("0");
        deviceMapper.updateById(device);
 
        return checkAlarm(device, metric, value, now);
    }
 
    /** 阈值判断,越限生成报警(同一指标未处理的报警不重复生成,只更新数值) */
    private MonitorAlarm checkAlarm(MonitorDevice device, MonitorMetric metric, BigDecimal value, LocalDateTime now) {
        if (!"1".equals(metric.getAlarmEnabled()) || value == null) {
            return null;
        }
        boolean belowMin = metric.getThresholdMin() != null && value.compareTo(metric.getThresholdMin()) < 0;
        boolean aboveMax = metric.getThresholdMax() != null && value.compareTo(metric.getThresholdMax()) > 0;
        if (!belowMin && !aboveMax) {
            return null;
        }
        MonitorAlarm exists = alarmMapper.selectOne(Wrappers.<MonitorAlarm>lambdaQuery()
                .eq(MonitorAlarm::getDeviceId, device.getId())
                .eq(MonitorAlarm::getMetricCode, metric.getMetricCode())
                .eq(MonitorAlarm::getAlarmStatus, "0")
                .orderByDesc(MonitorAlarm::getId)
                .last("limit 1"));
        MonitorAlarm alarm = exists == null ? new MonitorAlarm() : exists;
        alarm.setDeviceId(device.getId());
        alarm.setDeviceName(device.getDeviceName());
        alarm.setLocation(device.getLocation());
        alarm.setMetricCode(metric.getMetricCode());
        alarm.setMetricName(metric.getMetricName());
        alarm.setAlarmValue(value);
        alarm.setUnit(metric.getUnit());
        alarm.setThresholdMin(metric.getThresholdMin());
        alarm.setThresholdMax(metric.getThresholdMax());
        alarm.setAlarmLevel(resolveLevel(metric, value));
        alarm.setAlarmContent(buildAlarmContent(device, metric, value));
        alarm.setAlarmTime(now);
        alarm.setAlarmStatus("0");
        alarm.setPushStatus("1");
        if (exists == null) {
            alarmMapper.insert(alarm);
        } else {
            alarmMapper.updateById(alarm);
        }
        // 设备状态置为报警
        device.setOnlineStatus("2");
        deviceMapper.updateById(device);
        return alarm;
    }
 
    private String resolveLevel(MonitorMetric metric, BigDecimal value) {
        BigDecimal base = null;
        if (metric.getThresholdMax() != null && value.compareTo(metric.getThresholdMax()) > 0) {
            base = metric.getThresholdMax();
        } else if (metric.getThresholdMin() != null && value.compareTo(metric.getThresholdMin()) < 0) {
            base = metric.getThresholdMin();
        }
        if (base == null || base.compareTo(BigDecimal.ZERO) == 0) {
            return "1";
        }
        BigDecimal rate = value.subtract(base).abs().multiply(BigDecimal.valueOf(100))
                .divide(base.abs(), 2, RoundingMode.HALF_UP);
        if (rate.compareTo(BigDecimal.valueOf(15)) >= 0) {
            return "2";
        }
        if (rate.compareTo(BigDecimal.valueOf(5)) >= 0) {
            return "1";
        }
        return "0";
    }
 
    private String buildAlarmContent(MonitorDevice device, MonitorMetric metric, BigDecimal value) {
        String threshold = "下限 " + (metric.getThresholdMin() == null ? "-" : metric.getThresholdMin())
                + " / 上限 " + (metric.getThresholdMax() == null ? "-" : metric.getThresholdMax());
        return device.getDeviceName() + " " + metric.getMetricName() + " 当前值 " + value
                + (StringUtils.hasText(metric.getUnit()) ? metric.getUnit() : "")
                + " 超出阈值(" + threshold + "),请及时处理";
    }
 
    // ==================== 报警管理 ====================
 
    public IPage<MonitorAlarm> alarmPage(Page<MonitorAlarm> page, MonitorAlarm query) {
        return alarmMapper.selectPage(page, Wrappers.<MonitorAlarm>lambdaQuery()
                .like(StringUtils.hasText(query.getDeviceName()), MonitorAlarm::getDeviceName, query.getDeviceName())
                .eq(StringUtils.hasText(query.getAlarmStatus()), MonitorAlarm::getAlarmStatus, query.getAlarmStatus())
                .eq(StringUtils.hasText(query.getAlarmLevel()), MonitorAlarm::getAlarmLevel, query.getAlarmLevel())
                .orderByDesc(MonitorAlarm::getId));
    }
 
    public long unhandledAlarmCount() {
        return alarmMapper.selectCount(Wrappers.<MonitorAlarm>lambdaQuery().eq(MonitorAlarm::getAlarmStatus, "0"));
    }
 
    public List<MonitorAlarm> unhandledAlarms() {
        return alarmMapper.selectList(Wrappers.<MonitorAlarm>lambdaQuery()
                .eq(MonitorAlarm::getAlarmStatus, "0")
                .orderByDesc(MonitorAlarm::getAlarmTime)
                .last("limit 20"));
    }
 
    /** 处理报警 */
    public boolean alarmHandle(Long id, String handleRemark) {
        MonitorAlarm alarm = alarmMapper.selectById(id);
        if (alarm == null) {
            return false;
        }
        alarm.setAlarmStatus("1");
        alarm.setHandleTime(LocalDateTime.now());
        alarm.setHandleRemark(handleRemark);
        alarm.setHandleUser(currentUserName());
        boolean updated = alarmMapper.updateById(alarm) > 0;
        // 该设备已无未处理报警则恢复在线状态
        Long left = alarmMapper.selectCount(Wrappers.<MonitorAlarm>lambdaQuery()
                .eq(MonitorAlarm::getDeviceId, alarm.getDeviceId())
                .eq(MonitorAlarm::getAlarmStatus, "0"));
        if (left == null || left == 0) {
            MonitorDevice device = deviceMapper.selectById(alarm.getDeviceId());
            if (device != null) {
                device.setOnlineStatus("0");
                deviceMapper.updateById(device);
            }
        }
        return updated;
    }
 
    public boolean alarmRemove(List<Long> ids) {
        if (CollectionUtils.isEmpty(ids)) {
            return false;
        }
        return alarmMapper.deleteBatchIds(ids) > 0;
    }
 
    // ==================== 远程控制 ====================
 
    /**
     * 远程启停控制
     * 不支持远程控制的设备直接拒绝,避免页面上出现"假按钮"
     */
    @Transactional(rollbackFor = Exception.class)
    public MonitorControl control(Long deviceId, String command, String remark) {
        MonitorDevice device = deviceMapper.selectById(deviceId);
        if (device == null) {
            throw new IllegalArgumentException("设备不存在");
        }
        if (!"1".equals(device.getControlEnabled())) {
            throw new IllegalArgumentException("该设备未接入远程控制回路,不支持远程启停,请现场操作");
        }
        LocalDateTime now = LocalDateTime.now();
        MonitorControl control = new MonitorControl();
        control.setDeviceId(deviceId);
        control.setDeviceName(device.getDeviceName());
        control.setControlCommand(command);
        control.setControlType(StringUtils.hasText(device.getControlType()) ? device.getControlType() : "启停");
        control.setCommandSource("远程控制");
        control.setOperator(currentUserName());
        control.setOperateTime(now);
        control.setRemark(remark);
        if ("stop".equalsIgnoreCase(command)) {
            device.setRunStatus("0");
            control.setResultMsg("停机指令已下发");
        } else if ("start".equalsIgnoreCase(command)) {
            device.setRunStatus("1");
            control.setResultMsg("启动指令已下发");
        } else if ("restart".equalsIgnoreCase(command)) {
            device.setRunStatus("1");
            control.setResultMsg("重启指令已下发");
        } else {
            throw new IllegalArgumentException("不支持的控制指令");
        }
        control.setExecResult("0");
        controlMapper.insert(control);
        deviceMapper.updateById(device);
        return control;
    }
 
    public IPage<MonitorControl> controlPage(Page<MonitorControl> page, MonitorControl query) {
        return controlMapper.selectPage(page, Wrappers.<MonitorControl>lambdaQuery()
                .like(StringUtils.hasText(query.getDeviceName()), MonitorControl::getDeviceName, query.getDeviceName())
                .eq(StringUtils.hasText(query.getControlCommand()), MonitorControl::getControlCommand, query.getControlCommand())
                .orderByDesc(MonitorControl::getId));
    }
 
    // ==================== 总览 ====================
 
    public Map<String, Object> overview() {
        Map<String, Object> result = new HashMap<>();
        long total = deviceMapper.selectCount(Wrappers.<MonitorDevice>lambdaQuery());
        long online = deviceMapper.selectCount(Wrappers.<MonitorDevice>lambdaQuery().eq(MonitorDevice::getOnlineStatus, "0"));
        long offline = deviceMapper.selectCount(Wrappers.<MonitorDevice>lambdaQuery().eq(MonitorDevice::getOnlineStatus, "1"));
        long alarming = deviceMapper.selectCount(Wrappers.<MonitorDevice>lambdaQuery().eq(MonitorDevice::getOnlineStatus, "2"));
        long monitorEnabled = deviceMapper.selectCount(Wrappers.<MonitorDevice>lambdaQuery().eq(MonitorDevice::getMonitorEnabled, "1"));
        long controlEnabled = deviceMapper.selectCount(Wrappers.<MonitorDevice>lambdaQuery().eq(MonitorDevice::getControlEnabled, "1"));
        long unhandled = unhandledAlarmCount();
        result.put("total", total);
        result.put("online", online);
        result.put("offline", offline);
        result.put("alarming", alarming);
        result.put("monitorEnabled", monitorEnabled);
        result.put("controlEnabled", controlEnabled);
        result.put("unhandledAlarm", unhandled);
        return result;
    }
 
    private String currentUserName() {
        try {
            return SecurityUtils.getLoginUser().getUser().getNickName();
        } catch (Exception e) {
            return "系统";
        }
    }
}