platform-bi-server/src/main/java/com/server/ShowLineService.java

package com.server;

import com.dao.ChartsConfigMapper;
import com.dao.ShowChartsMapper;
import com.model.bo.*;
import com.model.pojo.RepCode;
import com.model.pojo.RepEntity;
import com.model.vo.configVo.LineConfigInfo;
import com.model.vo.dataVo.ChartsDataInfo;
import com.util.BasesSource.DynamicDataSourceContextHolder;
import com.util.CalculationJudgeUtil;
import com.util.ScreenUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

@Service
public class ShowLineService {
    @Autowired
    ShowChartsMapper showChartsMapper;
    @Autowired
    TimeConverterUtil timeConverterUtil;
    @Autowired
    CalculationJudgeUtil calculationJudgeUtil;
    @Autowired
    ChartsConfigMapper chartsConfigMapper;
    @Autowired
    GetChartsDataUtilService getChartsDataUtilService;
    @Autowired
    ScreenUtil screenUtil;
    @Autowired
    ChartsUtilService chartsUtilService;

    /*
    Line数据展示
     */
    public RepEntity showLine(LineConfigInfo lineConfigInfo, String token){
        ChartsDataInfo chartsDataInfo = new ChartsDataInfo();
        TimeReture timeReture = new TimeReture();
        if (lineConfigInfo == null || "".equals(lineConfigInfo)){
            return new RepEntity(RepCode.Null);
        }
        int id = lineConfigInfo.getId();
        //获取列配置
        ChartsColumnConfig chartsColumn = chartsConfigMapper.getChartsColumn(id);
        if (chartsColumn == null || "".equals(chartsColumn)){
            return new RepEntity(RepCode.Null);
        }
        String style = chartsColumn.getChartStyle();
        String config = chartsColumn.getChartConfig();
        chartsDataInfo.setChartsColumnConfig(chartsColumn);


        String tableName = chartsUtilService.getSqlStr(token, id);
        if ("".equals(tableName)){
            return new RepEntity(RepCode.NoAuthority);
        }

        int baseId = getChartsDataUtilService.getBaseId(id);
        System.out.println("切换数据库"+String.valueOf(baseId));

        try{
            if (!DynamicDataSourceContextHolder.isContainsDataSource(String.valueOf(baseId))) {
                //joinPoint.getSignature() ：获取连接点的方法签名对象
                System.out.println("数据源 " + String.valueOf(baseId) + " 不存在使用默认的数据源 -> ");
            } else {
                System.out.println("使用数据源：" + String.valueOf(baseId));
                DynamicDataSourceContextHolder.setDataSourceType(String.valueOf(baseId));
            }

        String xColumn = lineConfigInfo.getxAxis().getColumnRename();
        String yColumn = lineConfigInfo.getyAxis().getColumnRename();

        String xAxisType = lineConfigInfo.getxAxis().getShowDataType();
        List<String> groupBy = lineConfigInfo.getGroups();

        if (xColumn == null || "".equals(xColumn) || yColumn == null || "".equals(yColumn)){
            return new RepEntity(RepCode.nullAxis);
        }

        String yType = lineConfigInfo.getyAxis().getShowDataType();
        String yAxisType = calculationJudgeUtil.Judge(yType);



        List<LineSeriesMap> value = new ArrayList<LineSeriesMap>();
        List<LineSeries> serieses = new ArrayList<LineSeries>();    //生成柱状图的系列
        List<String> xAxisData = new ArrayList<String>();  //X轴自己用

            //取筛选列表
            List<Screen> screens = lineConfigInfo.getFilters();
            ScreenStr scr = new ScreenStr();
            String screen = "";
            String screenToColumn = "";
            String screenStr = "";
            if ("".equals(screens) || screens == null || screens.size() == 0){
                screen = "";
            }else {
                scr = screenUtil.screensUtil(screens, xColumn, xAxisType);
                screen = scr.getRet();
                screenToColumn = scr.getWithColumnRet();
                StringBuilder sb = new StringBuilder(screenToColumn);
                if (screenToColumn != null && !("".equals(screenToColumn))){
                    screenToColumn = String.valueOf(sb .replace(1, 5, "where "));
                    screen = screenToColumn + " " + screen;
                    System.out.println("screen:" + screen);
                }else {
                    StringBuilder sb1 = new StringBuilder(screen);
                    screenStr = String.valueOf(sb1 .replace(1, 5, "where "));
                }
            }

        //X轴
        //判断是否为日期类型
            timeReture = timeConverterUtil.timeConverter(xColumn, tableName, xAxisType, screen, 366);
            xAxisData = timeReture.getValues();
            chartsDataInfo.setTooMany(timeReture.isOverdose());

        if ("".equals(xAxisData) || xAxisData == null || xAxisData.size() == 0){
            return new RepEntity(RepCode.Null);
        }

        //无分组时Y值
        Iterator itX = xAxisData.iterator();
        while (itX.hasNext()){
            String xdata = (String)itX.next();
            if (xdata == null || "".equals(xdata)){
                continue;
            }
            double valueOne = 0;
            String valueOnes = null;
//                System.out.println("Y:"+ yColumn + "........x:" + xColumn + "........yAxistype:" + yAxisType + "...xtpye:+"+yAxisType+ "   xdata:"+xdata);
                valueOnes = timeConverterUtil.getTimeValueConverter(yColumn, xColumn, tableName, yAxisType, xAxisType, xdata, screen);
//                System.out.println("value:"+valueOnes);
            if (valueOnes == null || "".equals(valueOnes)){
                valueOne = 0;
            }else {
                valueOne = Double.parseDouble(valueOnes);
            }
            LineSeriesMap lineSeriesMap = new LineSeriesMap();
            lineSeriesMap.setValue(valueOne);
            lineSeriesMap.setDate(xdata);
            value.add(lineSeriesMap);
        }
        LineSeries series = new LineSeries();
//        series.setName(yColumn);
        series.setMdata(value);

        serieses.add(series);

        //有分组
        if (groupBy.size() != 0){
            serieses.remove(0);
            Iterator itGroup = groupBy.iterator();  //分组数

            //便利分组
            while (itGroup.hasNext()){
                String groupByName = (String) itGroup.next();
                int counts = showChartsMapper.getGroupsCount(groupByName,tableName, screen);
                if (counts > 366){
                    chartsDataInfo.setTooMany(true);
                }
                List<String> groupsData = showChartsMapper.getGroups(groupByName,tableName, screen, 366); //查询每个分组系列
                Iterator itGroupsData = groupsData.iterator();

                //每个分组得到得每个系列
                while(itGroupsData.hasNext()){
                    String groupsName = (String)itGroupsData.next();
                    if ("".equals(groupsName) || groupsName == null){
                        continue;
                    }
                    List<LineSeriesMap> groupsValue = new ArrayList<LineSeriesMap>();
                    Iterator itXAxisData = xAxisData.iterator();

                    //每个系列对应X轴上的值
                    while (itXAxisData.hasNext()){
                        String xAxisDataOne = (String) itXAxisData.next();
                        if ("".equals(xAxisDataOne) || xAxisDataOne == null){
                            continue;
                        }
                        double groupsValueOne = 0;
                        String groupsValueOnes = null;
                        groupsValueOnes = timeConverterUtil.getGroupTimeConverter(yAxisType, yColumn, tableName, groupByName, xAxisType,
                                    groupsName, xColumn, xAxisDataOne, screen);
                        if ("".equals(groupsValueOnes) || groupsValueOnes == null){
                            groupsValueOne = 0;
                        }else{
                            groupsValueOne = Double.parseDouble(groupsValueOnes);
                        }
                        LineSeriesMap lineSeriesMap = new LineSeriesMap();
                        lineSeriesMap.setDate(xAxisDataOne);
                        lineSeriesMap.setValue(groupsValueOne);
                        groupsValue.add(lineSeriesMap);
                    }

                    LineSeries lineSeries = new LineSeries();
                    lineSeries.setMdata(groupsValue);
                    lineSeries.setName(groupsName);
                    serieses.add(lineSeries);
                }
            }
        }

        chartsDataInfo.setSerieses(serieses);

        }catch (Exception e){
            e.printStackTrace();
            System.out.println("异常");
            return new RepEntity(RepCode.erro);
        }finally {
            DynamicDataSourceContextHolder.clearDataSourceType();
        }

        return new RepEntity(RepCode.success, chartsDataInfo);
    }


}