public async Task <JsonResult> DiscardFromGroup(int groupId)
{
try
{
await groups.OpenConnectionAsync();
var group = await groups.GetAsync(groupId);
if (group == null)
{
return(Json(new { Error = "noGroup" }));
}
if (group.TeacherId != GetCurrentTeacherId())
{
return(Json(new { Error = "notYourGroup" }));
}
try
{
await groups.RemoveTeacherFormGroup(group.Id);
return(Json(new { Error = "ok" }));
}
catch (SqlException ex)
{
if (ex.Number == 50_005)
{
return(Json("noGroup"));
}
throw ex;
}
}
finally
{
groups.CloseConnection();
}
}
public async Task <JsonResult> All()
{
try
{
await groups.OpenConnectionAsync();
var groupsInfo = await groups.GetGroupsInfoAsync();
return(Json(groupsInfo));
}
finally
{
groups.CloseConnection();
}
}
