95 lines
3.4 KiB
C#
95 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Zurnal.RemaDateBase.DateDao;
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public class GroupAttendanceService
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{
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private List<PresnceDao> attendances;
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public GroupAttendanceService(List<PresnceDao> records)
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{
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attendances = records;
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}
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public void DisplayGroupInfo(Guid userGuid, object GroupName, IEnumerable<UserDao> users)
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{
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Console.WriteLine($"Группа: {GroupName}");
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Console.WriteLine($"Количество студентов: {users.Count()}");
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var totalClasses = new AttendanceCounter(attendances).CountAttendances(userGuid);
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Console.WriteLine($"Количество проведенных занятий: {totalClasses}");
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var overallAttendancePercentage = CalculateAttendancePercentage(attendances, userGuid);
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Console.WriteLine($"Общий процент посещаемости: {overallAttendancePercentage:F2}%");
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Console.WriteLine("Список студентов:");
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foreach (var user in users)
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{
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var attendanceInfo = GetAttendanceInfo(user);
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Console.WriteLine($"{user.FIO}: Посещенные занятия: {attendanceInfo.AttendedClasses}, Пропущенные занятия: {attendanceInfo.MissedClasses}, Процент посещаемости: {attendanceInfo.AttendancePercentage:F2}%");
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}
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}
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public class AttendanceCounter
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{
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private List<PresnceDao> _attendances;
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public AttendanceCounter(List<PresnceDao> attendances)
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{
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_attendances = attendances;
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}
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public int CountAttendances(Guid userGuid)
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{
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return _attendances.Count(a => a.UserGuid == userGuid && a.IsAttendensy);
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}
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}
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public static double CalculateAttendancePercentage(List<PresnceDao> attendanceRecords, Guid userGuid)
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{
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var userRecords = attendanceRecords.Where(record => record.UserGuid == userGuid).ToList();
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if (userRecords.Count == 0) return 0;
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int totalLessons = userRecords.Count;
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int attendedLessons = userRecords.Count(record => record.IsAttendensy);
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return (double)attendedLessons / totalLessons * 100;
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}
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private (int AttendedClasses, int MissedClasses, double AttendancePercentage) GetAttendanceInfo(UserDao user)
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{
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var attendanceRecords = this.attendances.Where(record => record.UserGuid == user.UserGuid).ToList();
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int attendedClasses = attendanceRecords.Count(record => record.IsAttendensy);
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int missedClasses = attendanceRecords.Count - attendedClasses;
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double attendancePercentage = attendanceRecords.Count == 0 ? 0 : (double)attendedClasses / attendanceRecords.Count * 100;
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return (attendedClasses, missedClasses, attendancePercentage);
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}
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public List<PresnceDao> GetAttendanceByUser(Guid userGuid)
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{
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return attendances.Where(record => record.UserGuid == userGuid).ToList();
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}
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public Dictionary<DateOnly, int> GetAttendanceSummary(Guid userGuid)
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{
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var userAttendance = attendances.Where(record => record.UserGuid == userGuid);
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var summary = new Dictionary<DateOnly, int>();
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foreach (var record in userAttendance)
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{
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if (summary.ContainsKey(record.Date))
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{
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summary[record.Date]++;
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}
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else
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{
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summary[record.Date] = 1;
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}
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}
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return summary;
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}
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}
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