Making.School.Asignment.app/lib/common/utils/utils.dart

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:school_asignment_app/common/job/homework_details.dart';
import 'package:school_asignment_app/page/home_page/children/quick_data_check/quick_data_check_state.dart';

class Utils{
  Utils._internal();

  /// 关闭键盘
  static void hideKeyboard() {
    FocusScopeNode? currentFocus = Get.focusScope?.nearestScope;
    if (currentFocus == null) {
      return;
    }
    if (!currentFocus.hasPrimaryFocus && currentFocus.focusedChild != null) {
      FocusManager.instance.primaryFocus?.unfocus();
    }
  }

  // 是否是平板
  static bool isPad([double mobilePhoneScale = 1.2]) {
    return ScreenUtil().scaleWidth > mobilePhoneScale;
  }

  static String getDoubleRemoveZero(double? val, [String? defaultVal]) {
    try {
      if (val == null) throw Exception('数据为空');
      List<String> _valArr = val.toString().split('.');
      if (_valArr.length >= 2) {
        if (int.parse(_valArr[1]) == 0) {
          return val.toInt().toString();
        }
        return val.toString();
      }
      return val.toInt().toString();
    } catch (e) {
      return defaultVal ?? '';
    }
  }

  /// 去除小数点
  static String doubleToStringAsFixed(double val, {int fractionDigits = 2}) {
    return val.toStringAsFixed(fractionDigits).replaceAll(RegExp(r'\.0*$'), '');
  }

  static calcRate (int divisor, int dividend) {
    if(dividend != 0){
      return ((100 * divisor) / dividend);
      // return ((100 * divisor) / dividend).toStringAsFixed(0);
    }else{
      return 0;
    }

  }

  static getHomeworkData(HomeworkDetails data){

    CountData dataCount = CountData();
    List<Dtls> kgt = data.dtls.where((w) => w.questionType == 1).toList();
    dataCount.kgtAnswerCount = kgt.where((w) => w.state != 0).length;
    dataCount.kgtOkCount = kgt.where((w) => w.state == 4).length;
    dataCount.kgtDtlCount = kgt.length;
    dataCount.kgtAnswerRate = Utils.calcRate(dataCount.kgtAnswerCount!,  dataCount.kgtDtlCount!);
    dataCount.kgtOkRate = Utils.calcRate(dataCount.kgtOkCount!,  dataCount.kgtDtlCount!);
    dataCount.kgtCount = data.questions.where((w) => w.questionType == 1).length;

    List<Dtls> zgt = data.dtls.where((w) => w.questionType == 2).toList();
    dataCount.zgtAnswerCount = zgt.where((w) => w.state != 0).length;
    dataCount.zgtOkCount = zgt.where((w) => w.state == 4).length;
    dataCount.zgtDtlCount = zgt.length;
    dataCount.zgtAnswerRate = Utils.calcRate(dataCount.zgtAnswerCount!,  dataCount.zgtDtlCount!);
    dataCount.zgtOkRate = Utils.calcRate(dataCount.zgtOkCount!,  dataCount.zgtDtlCount!);
    dataCount.zgtCount = data.questions.where((w) => w.questionType == 2).length;
    dataCount.studentCount = data.students.length;
    dataCount.priorityStudents = data.students.where((w) => w.priorityAnnotate).toList();


    for(var que in data.questions){
      List<Dtls> ques = data.dtls.where((w) => w.templateId == que.templateId && w.questionNo == que.questionNo).toList();
      que.answerCount = ques.where((w) => w.state != 0).length;
      que.answerRate = Utils.calcRate(que.answerCount!, dataCount.studentCount!);
      int okCount = ques.where((w) => w.state == 4).length;
      que.okRate = Utils.calcRate(okCount, dataCount.studentCount!) ;
      que.priorityInfo = ques.where((w) {
        return dataCount.priorityStudents!.indexWhere((s) {
          w.studentName = s.studentName;
          return s.studentId == w.studentId;
        }) > -1 && w.state != 4;
      }).toList();

      que.answerNgStudents = ques.where((w) {
        w.studentName =  data.students.firstWhere((s) => s.studentId == w.studentId).studentName;
        return w.state == 2;
      }).toList();

      que.noAnswerStudents = ques.where((w) {
        return  w.state == 0;
      }).toList();
      que.answerOkStudents = ques.where((w) {
        return w.state == 4;
      }).toList();

    }




    dataCount.studentSubmitCount = data.students.where((s) => s.state != 0).length;

    for(var stu in data.students){
      stu.kgtStu = kgt.where((w) => w.studentId == stu.studentId).toList();
      stu.kgtStu!.sort((a, b) => a.questionNo.compareTo(b.questionNo));
      stu.kgtOkCount = stu.kgtStu!.where((w) => w.state == 4).length;
      stu.kgtErrorCount = stu.kgtStu!.where((w) => w.state == 2).length;
      stu.kgtAnswerCount = stu.kgtStu!.where((w) => w.state != 0).length;

      stu.zgtStu = zgt.where((w) => w.studentId == stu.studentId).toList();
      stu.zgtStu!.sort((a, b) => a.questionNo.compareTo(b.questionNo));
      stu.zgtOkCount = stu.zgtStu!.where((w) => w.state == 4).length;
      stu.zgtErrorCount = stu.zgtStu!.where((w) => w.state == 2).length;
      stu.zgtUnrated = stu.zgtStu!.where((w) => w.state == 1).length;
      stu.zgtAnswerCount = stu.zgtStu!.where((w) => w.state != 0).length;
      stu.allOk = data.dtls.where((w) => w.studentId == stu.studentId && w.state != 4).length??0;
      if( (stu.kgtStu!.length - stu.kgtAnswerCount!) + (stu.zgtStu!.length-stu.zgtAnswerCount!) == (stu.kgtStu!.length + stu.zgtStu!.length)){
        stu.allNotDone = true;
      }else{
        stu.allNotDone = false;
      }
    }

    data.students.sort((a, b) {
      int num1 = a.state;
      int num2 = b.state;
      return num2.compareTo(num1);
    });

    for(var know in data.knows){
      List<Questions> ques = data.questions.where((w) => w.knows.indexWhere((k) => k.knowledgeId == know.knowledgeId) > -1).toList();
      List<Dtls> queDtls = data.dtls.where((w) => ques.indexWhere((q) => w.templateId == q.templateId && w.questionNo == q.questionNo) > -1).toList();
      know.okCount = queDtls.where((w) => w.state == 4).length;
      know.ttlCount = queDtls.length;
      know.okRate = Utils.calcRate(know.okCount!, know.ttlCount!);
    }

    return dataCount;
  }
}