/// <summary>
/// Updates binding source
/// </summary>
public async void UpdateGridView()
{
Application.UseWaitCursor = true;
currUser = Globals.CurrentUser;
var repo = new HttpGroupsRepository();
groupsBindingSource.Clear();
foreach (var groupDetail in currUser.GroupDetails)
{
var group = await repo.GetOne(groupDetail.group_id);
groupsBindingSource.Add(group);
}
groupsGridView.Update();
Application.UseWaitCursor = false;
}
/// <summary>
/// Saves and validates provided data.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void SaveChangesClick(object sender, EventArgs e)
{
IStringValidator validator = new Validator();
if (!validator.IsNotEmpty(tbTitle.Text))
{
MessageBox.Show("Title can not be empty!");
return;
}
HttpGroupsRepository groupRepo = new HttpGroupsRepository();
currGroup.description = tbDesc.Text;
if (!validator.IsNotEmpty(tbTitle.Text))
{
MessageBox.Show("Group name can't be empty!","Error!",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
return;
}
currGroup.name = tbTitle.Text;
if (edit)
{
await UpdateUsers();
await groupRepo.EditOne(currGroup);
await Globals.UpdateCurrentUser();
this.Close();
}
else
{
var detailRepo = new HttpGroupDetailsRepository();
var newGroup = new GroupsViewModel()
{
created_at = DateTime.Now,
GroupDetails = currGroup.GroupDetails,
name = currGroup.name,
owner_id = Globals.CurrentUser.id,
description = currGroup.description
};
GroupsViewModel retGroup = await groupRepo.AddOne(newGroup); //we need it to get created id
currGroup.id = retGroup.id;
//adding users
await UpdateUsers();
await Globals.UpdateCurrentUser();
this.Close();
}
}
/// <summary>
/// Updates added members added to the database.
/// </summary>
/// <returns></returns>
private async Task UpdateUsers()
{
HttpGroupDetailsRepository repo = new HttpGroupDetailsRepository();
ICollection<GroupDetailsViewModel> listOfDetails = new List<GroupDetailsViewModel>();
var users = usersBindingSource.List.Cast<UsersViewModel>();
var isUser = users.Count(u => u.id == Globals.CurrentUser.id) == 0;
//checking if creator is added to the group
if (isUser) //if not add him and proper communicate
{
usersBindingSource.Add(Globals.CurrentUser);
MessageBox.Show("You removed yourself from the group, you were added to it automatically!","Warning",
MessageBoxButtons.OK,MessageBoxIcon.Information);
}
//adding new users
foreach (UsersViewModel user in usersBindingSource)
{
var newDetail = new GroupDetailsViewModel()
{
user_id = user.id,
group_id = currGroup.id
};
listOfDetails.Add(newDetail);
if (!(await repo.DetailExists(newDetail))) //if given connection does not exist then add it
{
var detailRepo = new HttpGroupDetailsRepository();
await detailRepo.AddOne(newDetail);
// currGroup.GroupDetails.Add(newDetail); //synchronize current group with db
}
}
HttpGroupsRepository groupsRepo = new HttpGroupsRepository();
var actualGroup = await groupsRepo.GetOne(currGroup.id); //actual group to synchronize from db
foreach (var detail in actualGroup.GroupDetails)
{
if (listOfDetails.Count(d => d.group_id == detail.group_id && d.user_id == detail.user_id) == 0) //if currGroup does not contain any of detail then delete it from db
{
await repo.DeleteOne(detail);
}
}
}
/// <summary>
/// Synchronizes current group with actual group from database.
/// </summary>
/// <returns></returns>
public async Task SyncGroup()
{
HttpGroupsRepository repo = new HttpGroupsRepository();
currGroup = await repo.GetOne(currGroup.id);
}
/// <summary>
/// Deletes current group.
/// </summary>
/// <returns></returns>
private async Task DeleteGroup()
{
var repo = new HttpGroupsRepository();
await repo.DeleteOne(currGroup);
}
/*-----------------------------UPDATING FUNCTIONS-----------------------------*/
/// <summary>
/// Updates repositories.
/// </summary>
private void UpdateRepositories() {
years = new HttpYearsRepository();
subjects = new HttpSubjectsRepository();
grades = new HttpSubjectDetailsRepository();
users = new HttpUsersRepository();
groups = new HttpGroupsRepository();
groupDetails = new HttpGroupDetailsRepository();
}
