public async Task <ChangedInformationResultModel> DeleteСommunicationAsync(string username, string interectedUserName)
{
if ((await _userManager.FindByNameAsync(username) == null) || (await _userManager.FindByNameAsync(interectedUserName) == null))
{
return(new ChangedInformationResultModel {
Success = false, ErrorsMessages = new[] { "User does not exist" }
});
}
var pk1 = username + interectedUserName; //костыль!
var pk2 = interectedUserName + username; //костыль!
var isContain = await _dataContext.interectedUsers.AsNoTracking().SingleOrDefaultAsync(x => x.EntryHash == pk1);
if (isContain != null)
{
var model1 = new InterectedUserModel {
UserName = username, InterectedUserName = interectedUserName, EntryHash = pk1
};
var model2 = new InterectedUserModel {
UserName = interectedUserName, InterectedUserName = username, EntryHash = pk2
};
_dataContext.interectedUsers.Remove(model1);
_dataContext.interectedUsers.Remove(model2);
}
else
{
return(new ChangedInformationResultModel {
Success = false, ErrorsMessages = new[] { "Сommunication does not exist" }
});
}
await _dataContext.SaveChangesAsync();
return(new ChangedInformationResultModel {
Success = true
});
}
public async Task <ChangedInformationResultModel> AddСommunicationsBtwUsersAsync(string username, string[] interectedUsersName)
{
if (await _userManager.FindByNameAsync(username) == null)
{
return(new ChangedInformationResultModel {
Success = false, ErrorsMessages = new[] { $"User '{username}' does not exist" }
});
}
List <InterectedUserModel> models = new List <InterectedUserModel>();
List <string> errors = new List <string>();
foreach (var element in interectedUsersName)
{
var existUser = await _userManager.FindByNameAsync(element);
//To do: add cheking element !=null
if (existUser != null && element != username)
{
var pk1 = element + username; //костыль!
var pk2 = username + element; //костыль!
var isContain = await _dataContext.interectedUsers.SingleOrDefaultAsync(x => x.EntryHash == pk1);
if (isContain == null)
{
var newCommunication1 = new InterectedUserModel {
UserName = username, InterectedUserName = element, EntryHash = pk1
};
var newCommunication2 = new InterectedUserModel {
UserName = element, InterectedUserName = username, EntryHash = pk2
};
models.Add(newCommunication1);
models.Add(newCommunication2);
}
else
{
errors.Add($"Pair {username}:{element} / {element}:{username} already exist");
}
}
else
{
if (existUser == null)
{
errors.Add($"User '{element}' does not exist");
}
else
{
errors.Add($"The specified user names {username}:{element} match");
}
}
}
if (models.Count > 0)
{
await _dataContext.interectedUsers.AddRangeAsync(models);
await _dataContext.SaveChangesAsync();
}
if (models.Count == 0)
{
return(new ChangedInformationResultModel {
ErrorsMessages = errors, Success = false
});
}
if (models.Count > 0 && models.Count < interectedUsersName.Length)
{
return(new ChangedInformationResultModel {
ErrorsMessages = errors, Success = true
});
}
return(new ChangedInformationResultModel {
Success = true
});
}
