//Click handler method. This method in being called from CollectionCellViewController.
private void ClickHandler(CollectionCellViewController sender, CustomEventCellArgs args)
{
var cell = sender as CollectionCellViewController;
if (cell != null)
{
}
var cellArgs = args as CustomEventCellArgs;
if (cellArgs != null)
{
user_id = lst_employees[args.Position];
PerformSegue("EditSegue", this);
}
}
/// <summary>
/// Method that initialize all the buttons contained in the cell.
/// All the buttons work with anonymous functions or delegates.
/// </summary>
/// <param name="cell">Cell.</param>
public void initilizeButton(CollectionCellViewController cell)
{
//Event that delete an employee. It prompts an alert as confirmation to proceed with the delete.
cell.BtnDelete.TouchUpInside += delegate {
try
{
var alert = UIAlertController.Create("Delete employee", "Are you sure you want to delete this employee?", UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("Delete", UIAlertActionStyle.Destructive, delegate
{
//Looks for a user in the team_members node.
DatabaseReference userNode_temp = userNode.GetChild(cell.Id);
userNode_temp.RemoveValue();
//Sets the value to null.
userNode_temp.SetValue <NSObject>(null);
object[] nodes = { $"team_members/{cell.Id} " };
object[] nodesValues = { null };
var childUpdates = NSDictionary.FromObjectsAndKeys(nodesValues, nodes, nodes.Length);
//Updates the child to delete the information from the firebase database.
root.UpdateChildValues(childUpdates);
InitializeFirebase();
}));
alert.AddAction(UIAlertAction.Create("Cancel", UIAlertActionStyle.Cancel, null));
PresentViewController(alert, true, null);
}
catch (Exception ex) {}
};
//Method to check if the user is online or offline.
cell.BtnGoOnline.TouchUpInside += delegate {
try
{
if (cell.Status == "Online")
{
//If the user is online then it looks for the child related to the user id.
DatabaseReference onlineNode = tempNode.GetChild(cell.Id);
//Executes a single event to try to get the value from that node.
onlineNode.ObserveSingleEvent(DataEventType.Value, (snapshot) =>
{
string fecha = DateTime.Now.ToString();
if (snapshot.ChildrenCount > 0)
{
//Gets the value of the response from firebase.
var onlineUser = snapshot.GetValue <NSDictionary>();
//tt_values gets the values of the child node from onlineUser.
var tt_values = onlineUser.Values;
//Creates a node in timetracking with the following information /timetracking/{user.id}/{autogenkey}/
DatabaseReference tt_node = timetrackingNode.GetChild(cell.Id).GetChild(onlineUser.Keys[0].ToString());
//Create an object with the fields that the node must have.
object[] timetracking_key = { "end_date", "start_date", "status", "uid_worker" };
//Gets the information from the temp_entrance.
var start_date = tt_values[0].ValueForKey(new NSString("start_date"));
var status = tt_values[0].ValueForKey(new NSString("status"));
var uid_worker = tt_values[0].ValueForKey(new NSString("uid_worker"));
//Adds the information from temp_entrance to the object timetracking_value.
object[] timetracking_value = { fecha, start_date, 1, uid_worker };
//Create a dictonary containing the keys, values and the length of the object.
var data = NSDictionary.FromObjectsAndKeys(timetracking_value, timetracking_key, timetracking_key.Length);
//Adds the information to the timetracking node.
tt_node.SetValue <NSDictionary>(data);
//Deletes the information from the temp_entrance node.
tempNode.GetChild(cell.Id).SetValue <NSDictionary>(null);
int index = lst_employees.FindIndex(x => x.Id.Contains(cell.Id));
lst_employees[index].Status = "Offline";
CheckIfOnline();
}
else
{
int index = lst_employees.FindIndex(x => x.Id.Contains(cell.Id));
lst_employees[index].Status = "Offline";
CheckIfOnline();
}
});
}
if (cell.Status == "Offline")
{
string fecha = DateTime.Now.ToString();
//Create a key object containing the user_id as key.
object[] k = { cell.Id };
object[] vs = { null };
var da = NSDictionary.FromObjectsAndKeys(vs, k, k.Length);
//Adds the child node to the temp_entrance table.
tempNode.UpdateChildValues(da);
//Obtained the information from the created node.
DatabaseReference subNode = tempNode.GetChild(cell.Id);
//Generated an autoid as child of the node created with the user id.
DatabaseReference subNode2 = subNode.GetChildByAutoId();
//Created objects with the required fields, and information.
object[] keys = { "end_date", "start_date", "status", "uid_worker" };
object[] values = { "", new NSString(fecha), 0, cell.Id };
//Created a dictionary with the value, keys and its length.
var data = NSDictionary.FromObjectsAndKeys(values, keys, keys.Length);
//Adds the value to the child node.
subNode2.SetValue <NSDictionary>(data);
int index = lst_employees.FindIndex(x => x.Id.Contains(cell.Id));
lst_employees[index].Status = "Online";
CheckIfOnline();
}
}
catch (Exception ex)
{
}
};
}
