51 lines
1.4 KiB
C#
51 lines
1.4 KiB
C#
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using data.DAO;
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using Microsoft.EntityFrameworkCore;
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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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namespace data.Repository
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{
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public class SQLGroupRepository : IGroupRepository
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{
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private readonly RemoteDatabaseContext _dbContext;
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public SQLGroupRepository(RemoteDatabaseContext remoteDatabaseContext) {
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_dbContext = remoteDatabaseContext;
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}
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public bool addGroup(GroupDAO group)
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{
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_dbContext.groups.Add(group);
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return _dbContext.SaveChanges() > 1;
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}
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public bool addGroupWithStudents(GroupDAO groupDAO, IEnumerable<UserDAO> userDAOs)
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{
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using var transaction = _dbContext.Database.BeginTransaction();
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try {
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_dbContext.groups.Add(groupDAO);
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_dbContext.SaveChanges();
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foreach (var item in userDAOs)
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{
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item.Group = groupDAO;
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_dbContext.users.Add(item);
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}
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_dbContext.SaveChanges();
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transaction.Commit();
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return true;
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}
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catch (Exception ex) {
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transaction.Rollback();
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}
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return false;
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}
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public IEnumerable<GroupDAO> getAllGroup()
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{
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return _dbContext.groups.Include(group => group.Users).ToList();
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}
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}
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}
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