Лабораторная работа 4

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Discipline.cs

@@ -1,12 +1,19 @@
 using SessionResults_Kudyaeva.Entities.Enums;
+using System.ComponentModel;
 
 namespace SessionResults_Kudyaeva.Entities;
 
 public class Discipline
 {
     public int ID { get; private set; }
+
+    [DisplayName("Название")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Описание")]
     public string Description { get; private set; } = string.Empty;
+
+    [DisplayName("На каких курсах")]
     public Course Courses { get; private set; }
 
     public static Discipline Create(int id, string name, string description, Course courses)

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Group.cs

@@ -1,16 +1,16 @@
 using SessionResults_Kudyaeva.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.ComponentModel;
 
 namespace SessionResults_Kudyaeva.Entities;
 
 public class Group
 {
     public int ID { get; private set; }
+
+    [DisplayName("Название")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Тип")]
     public GroupType Type { get; private set; }
 
     public static Group Create(int id, string name, GroupType type)

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Retake.cs

@@ -1,9 +1,5 @@
 using SessionResults_Kudyaeva.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.ComponentModel;
 
 namespace SessionResults_Kudyaeva.Entities;
 
@@ -11,14 +7,46 @@ public class Retake
 {
     public int Id { get; private set; }
 
+    [Browsable(false)]
     public int StudentId { get; private set; }
 
+    [Browsable(false)]
     public int TeacherId { get; private set; }
 
+    [Browsable(false)]
     public int DisciplineId { get; private set; }
 
+    [Browsable(false)]
+    public string TeacherSurname { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string TeacherName { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string TeacherMiddleName { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string StudentSurname { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string StudentName { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string StudentMiddleName { get; private set; } = string.Empty;
+
+    [DisplayName("Студент")]
+    public string StudentDisplayName => $"{StudentSurname} {StudentName[0]}. {StudentMiddleName[0]}.";
+
+    [DisplayName("Преподаватель")]
+    public string TeacherDisplayName => $"{TeacherSurname} {TeacherName[0]}. {TeacherMiddleName[0]}.";
+
+    [DisplayName("Предмет")]
+    public string DisciplineName { get; private set; } = string.Empty;
+
+    [DisplayName("Оценка")]
     public Mark Mark { get; private set; }
 
+    [DisplayName("Дата перезачета")]
     public DateTime Date { get; private set; }
 
     public static Retake CreateOperation(int id, int studentId, int teacherId, int disciplineId, Mark mark, DateTime date)

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Statement.cs

@@ -1,11 +1,41 @@
-namespace SessionResults_Kudyaeva.Entities;
+using System.ComponentModel;
+
+namespace SessionResults_Kudyaeva.Entities;
 
 public class Statement
 {
     public int Id { get; private set; }
+
+    [Browsable(false)]
     public int TeacherId { get; private set; }
+
+    [Browsable(false)]
     public int DisciplineId { get; private set; }
+
+    [Browsable(false)]
+    public string TeacherSurname { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string TeacherName { get; private set; } = string.Empty;
+
+    [Browsable(false)]
+    public string TeacherMiddleName { get; private set; } = string.Empty;
+
+    [DisplayName("Преподаватель")]
+    public string TeacherDisplayName => $"{TeacherSurname} {TeacherName[0]}. {TeacherMiddleName[0]}.";
+
+    [DisplayName("Предмет")]
+    public string DisciplineName { get; private set; } = string.Empty;
+
+    [DisplayName("Дата")]
     public DateTime Date { get; private set; }
+
+    [DisplayName("Оценки")]
+    public string Fuel => StatementStudents != null ?
+        string.Join(", ", StatementStudents.Select(x => $"{x.StudentDisplayName} {(int)x.Mark}")) :
+        string.Empty;
+
+    [Browsable(false)]
     public IEnumerable<StatementStudent> StatementStudents { get; private set; } = [];
 
     public static Statement CreateOperation(int id, int teacherId, int disciplineId, DateTime date, IEnumerable<StatementStudent> statementStudents)
@@ -20,15 +50,11 @@ public class Statement
         };
     }
 
-    public static Statement CreateOperation(TempStatementStudent tempStatementStudent, IEnumerable<StatementStudent> statementStudents)
+    public void SetStatementStudents(IEnumerable<StatementStudent> statementStudents)
     {
-        return new Statement
+        if (statementStudents != null && statementStudents.Any())
         {
-            Id = tempStatementStudent.Id,
-            TeacherId = tempStatementStudent.TeacherId,
-            DisciplineId = tempStatementStudent.DisciplineId,
-            Date = tempStatementStudent.Date,
-            StatementStudents = statementStudents
-        };
+            StatementStudents = statementStudents;
+        }
     }
 }

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/StatementStudent.cs

@@ -1,6 +1,7 @@
 using SessionResults_Kudyaeva.Entities.Enums;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -11,6 +12,10 @@ public class StatementStudent
 {
     public int Id { get; private set; }
     public int StudentId { get; private set; }
+    public string StudentSurname { get; private set; } = string.Empty;
+    public string StudentName { get; private set; } = string.Empty;
+    public string StudentMiddleName { get; private set; } = string.Empty;
+    public string StudentDisplayName => $"{StudentSurname} {StudentName[0]}. {StudentMiddleName[0]}.";
     public Mark Mark { get; private set; }
 
     public static StatementStudent CreateOperation(int id, int studentId, Mark mark)

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Student.cs

@@ -1,6 +1,7 @@
 using SessionResults_Kudyaeva.Entities.Enums;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -11,10 +12,21 @@ namespace SessionResults_Kudyaeva.Entities;
 public class Student
 {
     public int ID { get; private set; }
+
+    [DisplayName("Фамилия")]
     public string Surname { get; private set; } = string.Empty;
+
+    [DisplayName("Имя")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Отчество")]
     public string MiddleName { get; private set; } = string.Empty;
+
     public int GroupID { get; private set; }
+
+    [DisplayName("Группа")]
+    public string GroupName { get; private set; } = string.Empty;
+
     public string DisplayName => $"{Surname} {Name[0]}. {MiddleName[0]}.";
 
     public static Student Create(int id, string surname, string name, string middleName, int groupID)

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Teacher.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -9,9 +10,16 @@ namespace SessionResults_Kudyaeva.Entities;
 public class Teacher
 {
     public int ID { get; private set; }
+    
+    [DisplayName("Фамилия")]
     public string Surname { get; private set; } = string.Empty;
+
+    [DisplayName("Имя")]
     public string Name { get; private set; } = string.Empty;
+
+    [DisplayName("Отчество")]
     public string MiddleName { get; private set; } = string.Empty;
+
     public string DisplayName => $"{Surname} {Name[0]}. {MiddleName[0]}.";
 
     public static Teacher Create(int id, string surname, string name, string middleName)

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/TempStatementStudent.cs

@@ -1,18 +0,0 @@
-using SessionResults_Kudyaeva.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SessionResults_Kudyaeva.Entities;
-
-public class TempStatementStudent
-{
-    public int Id { get; private set; }
-    public int TeacherId { get; private set; }
-    public int DisciplineId { get; private set; }
-    public DateTime Date { get; private set; }
-    public int StudentId { get; private set; }
-    public Mark Mark { get; private set; }
-}

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineListForm.cs

@@ -91,7 +91,11 @@ public partial class DisciplineListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewDisciplines.DataSource = _disciplineRepository.GetAllDisciplines();
+    private void LoadList()
+    {
+        dataGridViewDisciplines.DataSource = _disciplineRepository.GetAllDisciplines();
+        dataGridViewDisciplines.Columns["Id"].Visible = false;
+    }
 
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/GroupsListForm.cs

@@ -93,7 +93,11 @@ public partial class GroupsListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewGroups.DataSource = _groupRepository.GetAllGroups();
+    private void LoadList()
+    {
+        dataGridViewGroups.DataSource = _groupRepository.GetAllGroups();
+        dataGridViewGroups.Columns["Id"].Visible = false;
+    }
 
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/RetakeListForm.cs

@@ -28,7 +28,11 @@ public partial class RetakeListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewData.DataSource = _retakeRepository.GetAllRetakes();
+    private void LoadList()
+    {
+        dataGridViewData.DataSource = _retakeRepository.GetAllRetakes();
+        dataGridViewData.Columns["Id"].Visible = false;
+    }
 
     private void RetakeListForm_Load(object sender, EventArgs e)
     {

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.cs

@@ -40,6 +40,9 @@ public partial class StatementListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewData.DataSource = _statementRepository.GetAllStatements();
-
+    private void LoadList()
+    {
+        dataGridViewData.DataSource = _statementRepository.GetAllStatements();
+        dataGridViewData.Columns["Id"].Visible = false;
+    }
 }

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StudentsList.cs

@@ -92,7 +92,13 @@ public partial class StudentsList : Form
         }
     }
 
-    private void LoadList() => dataGridViewStudents.DataSource = _studentRepository.GetAllStudents();
+    private void LoadList() 
+    { 
+        dataGridViewStudents.DataSource = _studentRepository.GetAllStudents();
+        dataGridViewStudents.Columns["Id"].Visible = false;
+        dataGridViewStudents.Columns["DisplayName"].Visible = false;
+        //dataGridViewStudents.Columns["GroupId"].Visible = false;
+    }
 
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeachersList.cs

@@ -90,7 +90,12 @@ public partial class TeachersList : Form
         }
     }
 
-    private void LoadList() => dataGridViewTeachers.DataSource = _teacherRepository.GetAllTeachers();
+    private void LoadList() 
+    { 
+        dataGridViewTeachers.DataSource = _teacherRepository.GetAllTeachers();
+        dataGridViewTeachers.Columns["Id"].Visible = false;
+        dataGridViewTeachers.Columns["DisplayName"].Visible = false;
+    }
 
     private bool TryGetIdentifierFromSelectedRow(out int id)
     {

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Reports/ChartReport.cs

@@ -20,7 +20,7 @@ internal class ChartReport
         {
             new PdfBuilder(filePath)
                 .AddHeader("Выставленные оценки по предметам")
-                .AddPieChart("Предметы", GetData(dateTime))
+                .AddPieChart($"Выставлено оценок за предметы на {dateTime:dd.MM.yyyy}", GetData(dateTime))
                 .Build();
             return true;
         }
@@ -33,13 +33,12 @@ internal class ChartReport
     private List<(string Caption, double Value)> GetData(DateTime dateTime)
     {
         return _statementRepository
-                .GetAllStatements()
-                .Where(x => x.Date.Date == dateTime.Date)
-                .GroupBy(x => x.DisciplineId, (key, group) => new {
-                    Id = key,
+                .GetAllStatements(dateFrom: dateTime.Date, dateTo:dateTime.Date.AddDays(1))
+                .GroupBy(x => x.DisciplineName, (key, group) => new {
+                    DisciplineName = key,
                     Count = group.Sum(statement => statement.StatementStudents.Count())
                 })
-                .Select(x => (x.Id.ToString(), (double)x.Count))
+                .Select(x => (x.DisciplineName, (double)x.Count))
                 .ToList();
     }
 }

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Reports/TableReport.cs

@@ -24,7 +24,7 @@ internal class TableReport
         {
             new ExcelBuilder(filePath)
                 .AddHeader("Сводка по оценкам студента", 0, 3)
-                .AddParagraph("за период", 0)
+                .AddParagraph($"за период {startDate:dd.MM.yyyy} по {endDate:dd.MM.yyyy}", 0)
                 .AddTable([10, 15, 15, 15], GetData(studentId, startDate, endDate))
                 .Build();
             return true;
@@ -39,8 +39,7 @@ internal class TableReport
     private List<string[]> GetData(int studentId, DateTime startDate, DateTime endDate)
     {
         var statements = _statementRepository
-            .GetAllStatements()
-            .Where(x => x.Date >= startDate && x.Date <= endDate && x.StatementStudents.Any(y => y.StudentId == studentId))
+            .GetAllStatements(startDate, endDate, studentId)
             .Select(x => new {
                 Discipline = x.DisciplineId.ToString(),
                 x.Date,
@@ -49,8 +48,7 @@ internal class TableReport
             });
 
         var retakes = _retakeRepository
-            .GetAllRetakes()
-            .Where(x => x.Date >= startDate && x.Date <= endDate && x.StudentId == studentId)
+            .GetAllRetakes(startDate, endDate, studentId)
             .Select(x => new {
                 Discipline = x.DisciplineId.ToString(),
                 x.Date,

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IRetakeRepository.cs

@@ -10,5 +10,6 @@ namespace SessionResults_Kudyaeva.Repositories;
 public interface IRetakeRepository
 {
     void CreateRetake(Retake retake);
-    IEnumerable<Retake> GetAllRetakes();
+    IEnumerable<Retake> GetAllRetakes(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null);
 }

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IStatementRepository.cs

@@ -10,5 +10,5 @@ namespace SessionResults_Kudyaeva.Repositories;
 public interface IStatementRepository
 {
     void CreateStatement(Statement statement);
-    IEnumerable<Statement> GetAllStatements();
+    IEnumerable<Statement> GetAllStatements(DateTime? dateFrom = null, DateTime? dateTo = null, int? studentId = null);
 }

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/QueryBuilder.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SessionResults_Kudyaeva.Repositories.Implementations;
+
+internal class QueryBuilder
+{
+    private readonly StringBuilder _builder;
+    public QueryBuilder()
+    {
+        _builder = new();
+    }
+    public QueryBuilder AddCondition(string condition)
+    {
+        if (_builder.Length > 0)
+        {
+            _builder.Append(" AND ");
+        }
+        _builder.Append(condition);
+        return this;
+    }
+    public string Build()
+    {
+        if (_builder.Length == 0)
+        {
+            return string.Empty;
+        }
+        return $"WHERE {_builder}";
+    }
+}

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/RetakeRepository.cs

@@ -37,14 +37,41 @@ public class RetakeRepository : IRetakeRepository
         }
     }
 
-    public IEnumerable<Retake> GetAllRetakes()
+    public IEnumerable<Retake> GetAllRetakes(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null)
     {
         _logger.LogInformation("Получение всех объектов");
         try
         {
+            var builder = new QueryBuilder();
+            if (dateFrom.HasValue)
+            {
+                builder.AddCondition("re.Date >= @dateFrom");
+            }
+            if (dateTo.HasValue)
+            {
+                builder.AddCondition("re.Date <= @dateTo");
+            }
+            if (studentId.HasValue)
+            {
+                builder.AddCondition("re.StudentId = @studentId");
+            }
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = "SELECT * FROM Retake";
-            var retakes = connection.Query<Retake>(querySelect);
+            var querySelect = $@"SELECT 
+                                    re.*,
+                                    tc.Surname as TeacherSurname,
+                                    tc.Name as TeacherName,
+                                    tc.MiddleName as TeacherMiddleName,
+                                    ds.Name as DisciplineName,
+                                    stud.Surname as StudentSurname,
+                                    stud.Name as StudentName,
+                                    stud.MiddleName as StudentMiddleName
+                                FROM Retake re
+                                LEFT JOIN Teacher tc on tc.Id = re.TeacherId
+                                LEFT JOIN Discipline ds on ds.Id = re.DisciplineId
+                                LEFT JOIN Student stud on stud.Id = re.StudentId
+                                {builder.Build()}";
+            var retakes = connection.Query<Retake>(querySelect, new { dateFrom, dateTo, studentId });
             _logger.LogDebug("Полученные объекты: {json}",
             JsonConvert.SerializeObject(retakes));
             return retakes;

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StatementRepository.cs

@@ -1,8 +1,10 @@
 using Dapper;
+using DocumentFormat.OpenXml.Spreadsheet;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using Npgsql;
 using SessionResults_Kudyaeva.Entities;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace SessionResults_Kudyaeva.Repositories.Implementations;
 
@@ -54,18 +56,65 @@ public class StatementRepository : IStatementRepository
         }
     }
 
-    public IEnumerable<Statement> GetAllStatements()
+    public IEnumerable<Statement> GetAllStatements(DateTime? dateFrom = null, DateTime? dateTo = null,
+        int? studentId = null)
     {
         _logger.LogInformation("Получение всех объектов");
         try
         {
+            var builder = new QueryBuilder();
+            if (dateFrom.HasValue)
+            {
+                builder.AddCondition("s.Date >= @dateFrom");
+            }
+            if (dateTo.HasValue)
+            {
+                builder.AddCondition("s.Date <= @dateTo");
+            }
+            if (studentId.HasValue)
+            {
+                builder.AddCondition("ss.StudentId = @studentId");
+            }
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = @"SELECT s.*, ss.StudentId, ss.Mark FROM Statement s
-                                INNER JOIN StatementStudent ss on ss.StatementId = s.Id";
-            var statements = connection.Query<TempStatementStudent>(querySelect);
+            var querySelect = $@"SELECT 
+                                    s.*, 
+                                    tc.Surname as TeacherSurname,
+                                    tc.Name as TeacherName,
+                                    tc.MiddleName as TeacherMiddleName,
+                                    ds.Name as DisciplineName,
+                                    ss.StudentId, 
+                                    ss.Mark,
+                                    stud.Surname as StudentSurname,
+                                    stud.Name as StudentName,
+                                    stud.MiddleName as StudentMiddleName
+                                FROM Statement s
+                                LEFT JOIN Teacher tc on tc.Id = s.TeacherId
+                                LEFT JOIN Discipline ds on ds.Id = s.DisciplineId
+                                INNER JOIN StatementStudent ss on ss.StatementId = s.Id
+                                LEFT JOIN Student stud on stud.Id = ss.StudentId
+                                {builder.Build()}";
+            var statementsDict = new Dictionary<int, List<StatementStudent>>();
+
+            var statements = connection.Query<Statement, StatementStudent, Statement>(querySelect,
+                (statement, statementStudent) =>
+                {
+                    if (!statementsDict.TryGetValue(statement.Id, out var sts))
+                    {
+                        sts = [];
+                        statementsDict.Add(statement.Id, sts);
+                    }
+
+                    sts.Add(statementStudent);
+                    return statement;
+                }, splitOn: "StudentId", param: new { dateFrom, dateTo, studentId });
             _logger.LogDebug("Полученные объекты: {json}",
             JsonConvert.SerializeObject(statements));
-            return statements.GroupBy(x => x.Id, y => y, (key, value) => Statement.CreateOperation(value.First(), value.Select(z => StatementStudent.CreateOperation(0, z.StudentId, z.Mark)))).ToList();
+            return statementsDict.Select(x =>
+            {
+                var s = statements.First(y => y.Id == x.Key);
+                s.SetStatementStudents(x.Value);
+                return s;
+            }).ToArray();
         }
         catch (Exception ex)
         {

SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StudentRepository.cs

@@ -62,7 +62,9 @@ public class StudentRepository : IStudentRepository
         try
         {
             using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-            var querySelect = "SELECT * FROM Student";
+            var querySelect = @"SELECT st.*, gr.Name as GroupName
+                            FROM Student st
+                            LEFT JOIN ""Group"" gr on gr.id = st.GroupID";
             var students = connection.Query<Student>(querySelect);
             _logger.LogDebug("Полученные объекты: {json}",
             JsonConvert.SerializeObject(students));