/// <summary>
/// Gets the timnetable from the time table website this is the brain of the App everything depends of on this fetching the data correctly.
/// </summary>
/// <param name="g"> String g is the student No passed in from the AddTimetable Page</tb>.</param>
public async Task GetTimetable(string g)
{
UserDialogs.Instance.ShowLoading("Fetching Timetable Please wait!", MaskType.Black);
var client = new HttpClient();
string URL = "https://scifac.ru.ac.za/timetable/personal/lookup.php";
var formContent = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("studentnumber", g)
});
IsBusy = true;
var myHttpClient = new HttpClient();
try
{
var responsefromserver = await myHttpClient.PostAsync(URL, formContent);
//byte[] responseBytes = webClient.UploadValues(URL, "POST", formData);
//string responsefromserver = Encoding.UTF8.GetString(responseBytes, 0, responseBytes.Length);
// textBox1.Text = responsefromserver;
client.Dispose();
var stringContent = await responsefromserver.Content.ReadAsStringAsync();
var html = new HtmlDocument();
html.LoadHtml(stringContent);
var root = html.DocumentNode;
var nodes = root.Descendants();
var totalNodes = nodes.Count();
//var Heading = root.Descendants("h1").ToArray()[1].InnerText;
object[] arr = root.Descendants("table").ToArray(); //check to see if the student is registered or not
if (arr.Length == 0)
{
UserDialogs.Instance.Alert("Time table is currently unavailable please try again in a few days or later on today");
UserDialogs.Instance.HideLoading();
return;
}
//If student used surname instead of Student Number
if (root.Descendants("table").ToArray().Length > 1)
{
UserDialogs.Instance.HideLoading();
UserDialogs.Instance.Alert("Please use your student number instead of your Surname");
return;
}
else
{
var table = root.Descendants("table").ToArray()[0].InnerText;
var Parser = new TimeTableParser(table);
Student student = new Student();
student = db.StoreTimetableToDataBase(Parser.GetSemester(1), 1, student);
db.StoreTimetableToDataBase(Parser.GetSemester(2), 2, student);
GetTimeTableWithVenues();
UserDialogs.Instance.HideLoading();
}
}
catch (Exception e)
{
UserDialogs.Instance.Alert("Something went wrong while fetching the timetable please ensure your connected to the internet", "Connection error!", "OK");
UserDialogs.Instance.HideLoading();
}
}
/// <summary>
/// Gets the time table with venues.
/// This will be used to supply data to the Google maps
/// </summary>
/// <returns>The time table with venues.</returns>
/// tp
public async void GetTimeTableWithVenues()
{
var client = new HttpClient();
string URL = "https://scifac.ru.ac.za/wwwtime/timetable.php";
var values = new List <KeyValuePair <string, string> >();
TimeTableParser temp = new TimeTableParser();
var acc = temp.GetAcronyms();
for (int i = 0; i < acc.Count; i++)
{
var formContent = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("mnemonic[]", acc.Count > 0?acc[i]:"")
});
var myHttpClient = new HttpClient();
var responsefromserver = await myHttpClient.PostAsync(URL, formContent);
client.Dispose();
var stringContent = await responsefromserver.Content.ReadAsStringAsync();
var html = new HtmlDocument();
html.LoadHtml(stringContent);
var root = html.DocumentNode;
var nodes = root.Descendants();
var totalNodes = nodes.Count();
var table = root.Descendants("table").ToArray();
// Check the format returned by the website
//Got no internet connection right now will check later
}
}
