64 lines
3.0 KiB
C#
64 lines
3.0 KiB
C#
using CoreDatabase;
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using CoreDatabase.Models.Department;
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using DepartmentContract.BindingModels;
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using DepartmentContract.Services.IGenericEntityService;
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using DepartmentContract.ViewModels;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Linq;
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using ToolsModule.Enums;
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using ToolsModule.Models;
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namespace DepartmentDatabaseImplementation.Implementations.AbstractGenerticEntityService
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{
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/// <summary>
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/// Реализация IStudentGroupService
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/// </summary>
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public class StudentGroupService :
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AbstractGenerticEntityService<StudentGroupGetBindingModel, StudentGroupSetBindingModel, StudentGroup, StudentGroupListViewModel, StudentGroupViewModel>,
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IStudentGroupService
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{
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protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, StudentGroupSetBindingModel model) => OperationResultModel.Success(null);
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protected override OperationResultModel AdditionalCheckingWhenDeleting(DbContext context, StudentGroup entity, StudentGroupGetBindingModel model)
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{
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if (context.Set<Student>().Any(x => x.StudentGroupId == model.Id && !x.IsDeleted))
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{
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return OperationResultModel.Error("Error:", "Есть студенты, относящиеся к этой группе", ResultServiceStatusCode.ExsistItem);
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}
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return OperationResultModel.Success(null);
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}
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protected override IQueryable<StudentGroup> AdditionalCheckingWhenReadingList(IQueryable<StudentGroup> query, StudentGroupGetBindingModel model)
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{
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if (model.EducationDirectionId.HasValue)
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{
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query = query.Where(x => x.EducationDirectionId == model.EducationDirectionId.Value);
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}
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if (model.LecturerId.HasValue)
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{
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query = query.Where(x => x.LecturerId == model.LecturerId.Value);
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}
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return query;
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}
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protected override OperationResultModel AdditionalCheckingWhenUpdateing(DbContext context, StudentGroupSetBindingModel model) => OperationResultModel.Success(null);
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protected override void AdditionalDeleting(DbContext context, StudentGroup entity, StudentGroupGetBindingModel model)
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{
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var orders = context.Set<OrderStudentRecord>().Where(x => x.StudentGroupFromId == model.Id || x.StudentGroupToId == model.Id);
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foreach (var o in orders)
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{
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o.IsDeleted = true;
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o.DateDelete = DateTime.Now;
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}
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context.SaveChanges();
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}
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protected override StudentGroup GetUniqueEntity(StudentGroupSetBindingModel model, DbContext context) => context.Set<StudentGroup>().FirstOrDefault(x => x.EducationDirectionId == model.EducationDirectionId && x.AcademicCourse == model.AcademicCourse && x.GroupNumber == model.GroupNumber && x.Id != model.Id);
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protected override IQueryable<StudentGroup> IncludingWhenReading(IQueryable<StudentGroup> query) => query.Include(x => x.EducationDirection).Include(x => x.Lecturer).Include(x => x.Students);
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protected override IQueryable<StudentGroup> OrderingWhenReading(IQueryable<StudentGroup> query) => query.OrderBy(x => x.EducationDirection.Cipher).ThenBy(x => x.AcademicCourse).ThenBy(x => x.GroupNumber);
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}
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} |