120 lines
3.8 KiB
C#
120 lines
3.8 KiB
C#
using LearningOfficer.OA.Common.Enums;
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using LearningOfficer.OA.Common.Exceptions;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using UserCenter.Model.Common;
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using UserCenter.Model.Enum;
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namespace LearningOfficer.OA.Common.Helpers
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{
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/// <summary>
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/// 解决方案工具年级转换帮助类
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/// </summary>
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public class SolutionToolGradeHelper
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{
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public static SolutionSemesterEnum ConvertToSolutionToolGradeEnum(string gradeLevel, int graduationYear)
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{
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var grade = GradeHelper.GetGradeByStudentGradeBase(gradeLevel, graduationYear);
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if (string.IsNullOrWhiteSpace(grade) || grade.Contains("届") || gradeLevel == GradeLevelEnum.小.ToString())
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{
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return SolutionSemesterEnum.None;
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}
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var gradeValue = GetGradeValue(gradeLevel, graduationYear);
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if (gradeValue == 0)
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{
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return SolutionSemesterEnum.None;
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}
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var semesterValue = GetSemesterValue();
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return (SolutionSemesterEnum)(gradeValue + semesterValue);
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}
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/// <summary>
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/// 获取年级的基础值
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/// </summary>
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/// <param name="gradeLevel"></param>
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/// <param name="graduationYear"></param>
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/// <returns></returns>
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/// <exception cref="BusinessException"></exception>
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private static int GetGradeValue(string gradeLevel, int graduationYear)
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{
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var now = DateTime.Now;
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// 获取当前年份与毕业年份的差值
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var diffYear = graduationYear - now.Year;
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if (diffYear < 0 || (diffYear == 0 && now.Date > new DateTime(now.Year, 8, 1)))
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{
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// 如果毕业年份小于当前年份，或者毕业年份为当前年份但当前日期在8月1日之后，代表已毕业，则返回0
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return 0;
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}
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// 取绝对值
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diffYear = Math.Abs(diffYear);
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if (now.Date > new DateTime(now.Year, 8, 1))
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{
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// 如果当前日期在8月31日之后，说明已经进入新学年
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diffYear--;
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}
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diffYear = diffYear * 10;
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var baseYearValue = 0;
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switch (gradeLevel)
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{
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case "初":
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baseYearValue = 90;
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break;
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case "高":
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baseYearValue = 120;
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break;
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default:
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throw new BusinessException("未知年级值，年级转换值失败");
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}
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// 获取年级值
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return baseYearValue - diffYear;
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}
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/// <summary>
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/// 获取学期阶段基础值
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/// </summary>
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/// <returns></returns>
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private static int GetSemesterValue()
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{
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DateTime now = DateTime.Today;
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int month = now.Month;
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int day = now.Day;
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// 1月直接返回4
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if (month == 1)
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{
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return 2;
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}
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// 2月、3月 或 4月1-25日 返回1
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else if ((month == 2 || month == 3) || (month == 4 && day <= 25))
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{
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return 3;
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}
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// 4月26日-7月31日 返回2
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else if ((month == 4 && day >= 26) || (month >= 5 && month <= 7))
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{
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return 4;
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}
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// 8月、 9月、10月 或 11月1-8日 返回3
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else if ((month == 8 || month == 9 || month == 10) || (month == 11 && day <= 8))
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{
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return 1;
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}
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// 剩余情况（11月9日-12月31日）返回4
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else
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{
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return 2;
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}
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}
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}
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}
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