package com.pgmmers.radar.service.impl.engine;
import com.pgmmers.radar.enums.AggregateType;
import com.pgmmers.radar.enums.FieldType;
import com.pgmmers.radar.enums.Operator;
import com.pgmmers.radar.enums.StatusType;
import com.pgmmers.radar.service.dnn.Estimator;
import com.pgmmers.radar.service.engine.AggregateCommand;
import com.pgmmers.radar.service.engine.AntiFraudEngine;
import com.pgmmers.radar.service.engine.vo.AbstractionResult;
import com.pgmmers.radar.service.engine.vo.ActivationResult;
import com.pgmmers.radar.service.engine.vo.AdaptationResult;
import com.pgmmers.radar.service.engine.vo.HitObject;
import com.pgmmers.radar.service.engine.vo.RiskObject;
import com.pgmmers.radar.service.impl.dnn.EstimatorContainer;
import com.pgmmers.radar.service.impl.util.JsonParserUtil;
import com.pgmmers.radar.service.model.AbstractionService;
import com.pgmmers.radar.service.model.ActivationService;
import com.pgmmers.radar.service.model.DataListsService;
import com.pgmmers.radar.service.model.EntityService;
import com.pgmmers.radar.service.model.FieldService;
import com.pgmmers.radar.service.model.ModelService;
import com.pgmmers.radar.service.model.RuleService;
import com.pgmmers.radar.util.DateUtils;
import com.pgmmers.radar.util.GroovyScriptUtil;
import com.pgmmers.radar.vo.model.AbstractionVO;
import com.pgmmers.radar.vo.model.ActivationVO;
import com.pgmmers.radar.vo.model.DataListRecordVO;
import com.pgmmers.radar.vo.model.DataListsVO;
import com.pgmmers.radar.vo.model.FieldVO;
import com.pgmmers.radar.vo.model.ModelVO;
import com.pgmmers.radar.vo.model.RuleVO;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
@Service
public class AntiFraudEngineImpl implements AntiFraudEngine {
private static Logger logger = LoggerFactory.getLogger(AntiFraudEngineImpl.class);
private static Map<Long, Map<String, Object>> dataListCacheMap = new HashMap<>();
@Value("${sys.conf.machine-learning: true}")
private boolean machineLearning;
@Autowired
private EntityService entityService;
@Autowired
private AbstractionService abstractionService;
@Autowired
private ActivationService activationService;
@Autowired
private FieldService fieldService;
@Autowired
private ModelService modelService;
@Autowired
private DataListsService dataListsService;
@Autowired
private AggregateCommand aggregateCommand;
@Autowired
private RuleService ruleService;
@Autowired
private EstimatorContainer estimatorContainer;
@Override
public AbstractionResult executeAbstraction(Long modelId, Map<String, Map<String, ?>> data) {
AbstractionResult result = new AbstractionResult();
// 1. 解析 参数信息
//JSONObject entity = (JSONObject) data.get("entity");
// 2. list abstraction
List<AbstractionVO> abstractions = abstractionService.listAbstraction(modelId);
// 排除没有的定义 abstraction 的情况。
if (abstractions == null || abstractions.size() == 0) {
data.put("abstractions", result.getAbstractionMap());
result.setSuccess(true);
return result;
}
// 3. 按 script 的条件, 分别统计 abstraction
for (AbstractionVO abs : abstractions) {
if (!abs.getStatus().equals(StatusType.ACTIVE.getKey())) {
continue;
}
// abs get aggregate type
String searchField = abs.getSearchField();
searchField = searchField.replace("fields.", "").replace("preItems.", "");
Integer aggregateType = abs.getAggregateType();
Integer dateType = abs.getSearchIntervalType();
Integer interval = abs.getSearchIntervalValue();
String funcionField = abs.getFunctionField();
funcionField = funcionField.replace("fields.", "").replace("preItems.", "");
FieldType functionFieldType = null;
String ruleScript = abs.getRuleScript();
// 获取预加载的黑/白名单集合
Map<String, Object> dataCollectionMap = dataListsService.getDataListMap(modelId);
boolean matched = checkAbstractionScript(ruleScript, data, dataCollectionMap);
if (!matched) {
// 脚本检查不通过,过滤该 abstraction
//data.put(abs.getName(), 0);
result.getAbstractionMap().put(abs.getName(), -1);
continue;
}
ModelVO model = modelService.getModelById(modelId);
String refDateFieldName = model.getReferenceDate();
Date refDate;
try {
Long refDatetimeMills = (Long) data.get("fields").get(refDateFieldName);
Calendar c = Calendar.getInstance();
c.setTimeInMillis(refDatetimeMills);
refDate = c.getTime();
} catch (Exception e) {
e.printStackTrace();
result.setMsg("时间不正确");
return result;
}
if (refDate == null) {
result.setMsg("时间不正确");
return result;
}
Date beginDate = DateUtils.addDate(refDate, dateType, interval * -1).getTime();
Object calResult = null;
Object searchFieldVal = data.get("fields").get(searchField);
if (searchFieldVal == null) {
searchFieldVal = data.get("preItems").get(searchField);
if (searchFieldVal == null) {
searchFieldVal = JsonParserUtil.value(data.get("preItems"), searchField, null);
}
}
if (searchFieldVal == null) {
result.setMsg("search field value eq null!");
return result;
}
if (!StringUtils.isEmpty(funcionField)) {
List<FieldVO> fields = fieldService.listField(modelId);
if (fields == null || fields.size() == 0) {
result.setMsg("no field found!");
return result;
}
for (FieldVO field : fields) {
if (field.getFieldName().equals(funcionField)) {
functionFieldType = FieldType.valueOf(field.getFieldType());
break;
}
}
if (functionFieldType == null) {
// 因为预处理字段没有字段类型,暂时设置为String
// TODO: 目前只有高级函数使用了 functionFieldType。
//result.setMsg("function field type is null");
//return result;
functionFieldType = FieldType.valueOf("STRING");
}
}
switch (aggregateType) {
case AggregateType.COUNT:
calResult = aggregateCommand.count(modelId.toString(), searchField, searchFieldVal, refDateFieldName,
beginDate, refDate);
break;
case AggregateType.DISTINCT_COUNT:
calResult = aggregateCommand.distinctCount(modelId.toString(), searchField, searchFieldVal,
refDateFieldName, beginDate, refDate, funcionField);
break;
case AggregateType.SUM:
calResult = aggregateCommand.sum(modelId.toString(), searchField, searchFieldVal, refDateFieldName,
beginDate, refDate, funcionField);
break;
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