/// <summary>
/// Creates an event on the server.
/// </summary>
/// <param name="e">Event to create.</param>
public bool CreateEvent(Event e)
{
var request = buildRequest("host", Method.POST);
//And the body containing event-informatinon
var body = new
{
Date = e.Date,
Location = e.Location,
Title = e.Title,
Description = e.Description,
SlotsTaken = 0,
SlotsTotal = e.SlotsTotal
};
request.AddBody(body);
var response = client.Execute(request);
if (response.StatusCode == HttpStatusCode.OK)
{
JsonValue jVal = System.Json.JsonValue.Parse(response.Content);
e.Id = jVal["Id"];
return true;
}
else
{
parseErrorMessage(response);
return false;
}
}
/// <summary>
/// Cancels the registration to the specified event.
/// </summary>
public void CancelReg(Event e)
{
var request = buildRequest(string.Format("event/{0}", e.Id), Method.DELETE);
//Add body to request
var cancelBody = new { eventId = e.Id,
userToken = userToken };
request.AddBody(cancelBody);
executeAndParseResponse(request);
}
/// <summary>
/// A method for updating data when the finish button is pressed.
/// </summary>
protected override void UpdateData()
{
// Get all the info saved in the activity.
var type = Activity.Intent.GetStringExtra("type");
var title = Activity.Intent.GetStringExtra("title");
var description = Activity.Intent.GetStringExtra("description");
var year = Activity.Intent.GetIntExtra("date year", 0);
var month = Activity.Intent.GetIntExtra("date month", 0);
var day = Activity.Intent.GetIntExtra("date day", 0);
var hour = Activity.Intent.GetIntExtra("date hour", 0);
var minut = Activity.Intent.GetIntExtra("date minutte", 0);
var place = Activity.Intent.GetStringExtra("place");
var max = Activity.Intent.GetIntExtra("maxslots", 0);
var taken = Activity.Intent.GetIntExtra("slotstaken", 0);
var id = Activity.Intent.GetStringExtra("id");
// Creat the event based on the information.
var @event = new Event()
{
Location = place,
Date = new DateTimeOffset(year, month, day, hour, minut, 0, new TimeSpan(0)),
Description = description,
Id = id,
SlotsTaken = taken,
SlotsTotal = max,
Title = title
};
bool completed = false;
// Check whether this is editing an allready existing event, or making a new one.
if (type == "edit")
completed = MainActivity.CIF.UpdateEvent(@event);
else if (type == "new")
completed = MainActivity.CIF.CreateEvent(@event);
else
throw new ArgumentException("type has to be either edit or new");
if (completed)
{
Back();
}
else
{
// If an error occured, show message.
var dialog = new Android.Support.V7.App.AlertDialog.Builder(Activity);
dialog.SetMessage(Activity.Resources.GetString(Resource.String.message_error_event_update_event) + "\n" + MainActivity.CIF.LatestError);
dialog.SetNegativeButton(Resource.String.ok, (s, earg) => { });
dialog.Show();
}
}
/// <summary>
/// Updates the event.
/// </summary>
/// <param name="e">Event to update</param>
public bool UpdateEvent(Event e)
{
var request = buildRequest("host", Method.PUT);
request.AddBody(new {
Id = e.Id,
Date = e.Date,
Location = e.Location,
Title = e.Title,
Description = e.Description,
SlotsTaken = e.SlotsTotal - e.SlotsTaken,
SlotsTotal = e.SlotsTotal
});
return executeAndParseResponse(request);
}
/// <summary>
/// Replies the offer.
/// </summary>
/// <param name="answer">If set to <c>true</c> the user wants to join.</param>
/// <param name="e">Event which is being replied to.</param>
public void ReplyOffer(bool answer, Event e)
{
RestRequest request;
var str = string.Format("offer/{0}", e.Id);
if (answer)
{
request = buildRequest(str, Method.POST);
}
else
{
request = buildRequest(str, Method.DELETE);
}
executeAndParseResponse(request);
}
/// <summary>
/// Deletes the given event.
/// </summary>
/// <param name="e">Event to delete.</param>
public void DeleteEvent(Event e)
{
var request = buildRequest("host/" + e.Id, Method.DELETE);
executeAndParseResponse(request);
}
protected override void OnCreate(Bundle bundle)
{
Position = 3;
base.OnCreate (bundle);
var content = new LinearLayout(this);
content.Orientation = Orientation.Vertical;
var scroll = new ScrollView(this);
scroll.AddView(content);
Content.AddView(scroll);
// Create all visible elements required to create event
var titleTitle = new TextView(this);
titleTitle.Text = "Event name";
var title = new EditText(this);
title.Hint = "Title";
title.Id = 0x0001;
var descriptionTitle = new TextView(this);
descriptionTitle.Text = "Event Description";
var description = new EditText(this);
description.Hint = "Description!";
description.Id = 0x0002;
var locationTitle = new TextView(this);
locationTitle.Text = "Location/Address";
var location = new EditText(this);
location.Hint = "Location/Address";
location.Id = 0x0003;
var guestsTitle = new TextView(this);
guestsTitle.Text = "Guests";
var guests = new EditText(this);
guests.Hint = "Number of guests";
guests.InputType = global::Android.Text.InputTypes.ClassNumber;
guests.Id = 0x0004;
var dateTitle = new TextView(this);
dateTitle.Text = "Date";
var date = new DatePicker(this);
date.DateTime = DateTime.Now;
date.Id = 0x0005;
var timeTitle = new TextView(this);
timeTitle.Text = "Time";
var timePicker = new TimePicker(this);
timePicker.Id = 0x0006;
// Buttons for creating a new event or cancel.
var createEventButton = new Button(this);
createEventButton.Text = "Host Event";
createEventButton.Id = 0x0007;
createEventButton.Click += (object sender, EventArgs e) =>
{
// Check if all forms have been filled.
if(String.IsNullOrEmpty(title.Text) ||
String.IsNullOrEmpty(description.Text) ||
String.IsNullOrEmpty(location.Text) ||
String.IsNullOrEmpty(guests.Text))
{
AlertDialog.Builder builder = new AlertDialog.Builder(this);
AlertDialog alertDialog = builder.Create();
alertDialog.SetTitle("Empty fields");
alertDialog.SetMessage(String.Format("The following fields are empty:\n{0}{1}{2}{3}",
String.IsNullOrEmpty(title.Text) ? "- No title\n" : "",
String.IsNullOrEmpty(description.Text) ? "- No description\n" : "",
String.IsNullOrEmpty(location.Text) ? "- No address\n" : "",
String.IsNullOrEmpty(guests.Text) ? "- No guest limit" : ""));
alertDialog.SetButton("OK", (s, ev) => alertDialog.Dismiss());
alertDialog.Show();
}
else
{
DateTime @dateTime = new DateTime(date.DateTime.Year, date.DateTime.Month, date.DateTime.Day, (int) timePicker.CurrentHour, (int) timePicker.CurrentMinute, 0);
Event @event = new Event(title.Text, @dateTime, location.Text, description.Text, int.Parse(guests.Text), 0);
bool completed = MainActivity.CIF.CreateEvent(@event);
if(completed)
Finish();
else {
var dialog = new AlertDialog.Builder(this);
dialog.SetMessage("Sorry, could not create event:\n" + MainActivity.CIF.LatestError);
dialog.Show();
}
}
};
var cancelButton = new Button(this);
cancelButton.Text = "Cancel";
cancelButton.Id = 0x0008;
cancelButton.Click += (object sender, EventArgs e) => Finish();
var buttonKeeper = new LinearLayout(this);
buttonKeeper.Orientation = Orientation.Horizontal;
buttonKeeper.AddView(cancelButton);
buttonKeeper.AddView(createEventButton);
// Build Activity Content
content.AddView(titleTitle);
content.AddView(title);
content.AddView(descriptionTitle);
content.AddView(description);
content.AddView(locationTitle);
content.AddView(location);
content.AddView(guestsTitle);
content.AddView(guests);
content.AddView(dateTitle);
content.AddView(date);
content.AddView(timeTitle);
content.AddView(timePicker);
content.AddView(buttonKeeper);
// Create your application here
}