private static string BuildIdentifier(Season season, string competition)
{
return($"{season.StartYear}/{season.EndYear} - {competition}");
}
/// <inheritdoc />
public Season ConstructSeason()
{
// parse website
var web = new HtmlWeb();
var doc = web.Load(Url);
// determine season
var tableHeader = doc.DocumentNode.SelectSingleNode("//header/h2").InnerText;
var seasonString = tableHeader.Substring(tableHeader.Length - 9, 9); // matches to '2018/2019'
var season = new Season(seasonString);
// get and iterate over table of games
var tbodyNode = doc.DocumentNode.SelectSingleNode("//tbody");
foreach (var tbodyChildNode in tbodyNode.ChildNodes)
{
// ensure a non-empty table
var trowChildNodes = tbodyChildNode.ChildNodes.Where(x => x.OriginalName == "td").ToList();
if (trowChildNodes.Count == 0)
{
continue;
}
// extract basic game facts
var date = trowChildNodes[0].InnerText.Split('-')[0].Split('.');
var day = Convert.ToInt32(date[0]);
var month = Convert.ToInt32(date[1]);
var year = Convert.ToInt32(date[2]);
var hour = Convert.ToInt32(trowChildNodes[1].InnerText.Substring(0, 2));
var minute = Convert.ToInt32(trowChildNodes[1].InnerText.Substring(3, 2));
// determine participating teams
var teamsString = "";
var gameString = "";
var teamFinder = trowChildNodes[2].ChildNodes.Where(x => x.OriginalName == "span" || x.OriginalName == "a").ToList();
if (teamFinder.Count == 2) // sometimes the root element directly contains two span-objects...
{
gameString = teamFinder[0].InnerText;
teamsString = teamFinder[1].InnerText;
}
else if (teamFinder.Count == 1) // and other times one a-object with two nested span-objects
{
gameString = teamFinder[0].ChildNodes[1].InnerText;
teamsString = teamFinder[0].ChildNodes[3].InnerText;
}
var teams = teamsString.Split('-'); // matches to 'Team A - Team B' => afterwards remove leading and trailing whitespaces
var homeTeam = teams[0].Remove(teams[0].Length - 1, 1);
var awayTeam = teams[1].Remove(0, 1);
// find out location of the game (home or away)
string location;
string opponent;
if (homeTeam.Contains("Dynamo Dresden"))
{
location = "Dresden";
opponent = awayTeam;
}
else
{
location = homeTeam;
opponent = homeTeam;
}
// ignore 'Testspiele'
if (gameString.Split('-')[0].StartsWith("Test"))
{
continue;
}
// each game gets it's unique identifier
var identifier = $"{season.StartYear}/{season.EndYear} - {gameString}";
season.Games.Add(new Game(new DateTime(year, month, day, hour, minute, 0), location, opponent, identifier));
}
return(season);
}
