private static void CreateTeamIfNotExist(IEnumerable<XElement> teamNodes, League league, FootballEntities context)
{
foreach (var teamNode in teamNodes)
{
string teamName = teamNode.Attribute("name").Value;
var country = teamNode.Attribute("country");
string countryName = null;
if (country != null)
{
countryName = country.Value;
}
var team = context.Teams
.Include(t => t.Leagues)
.FirstOrDefault(t => t.TeamName == teamName && t.Country.CountryName == countryName);
if (team != null)
{
Console.WriteLine("Existing team: {0} ({1})", team.TeamName, countryName ?? "no country");
}
else
{
team = new Team()
{
TeamName = teamName,
Country = context.Countries.FirstOrDefault(c => c.CountryName == countryName)
};
context.Teams.Add(team);
context.SaveChanges();
Console.WriteLine("Created team: {0} ({1})", team.TeamName, countryName ?? "no country");
}
AddTeamToLeague(team, league, context);
}
}
private static League CreateLeagueIfNotExist(XElement leagueNode, FootballEntities context)
{
League league = null;
var leagueNameNode = leagueNode.Descendants("league-name").FirstOrDefault();
if (leagueNameNode != null)
{
string leagueName = leagueNameNode.Value;
league = context.Leagues.FirstOrDefault(l => l.LeagueName == leagueName);
if (league == null)
{
league = new League()
{
LeagueName = leagueName
};
context.Leagues.Add(league);
context.SaveChanges();
Console.WriteLine("Created league: {0}", league.LeagueName);
}
else
{
Console.WriteLine("Existing league: {0}", leagueName);
}
}
return league;
}
private static void AddTeamToLeague(Team team, League league, FootballEntities context)
{
if (league != null)
{
if (!team.Leagues.Contains(league))
{
team.Leagues.Add(league);
context.SaveChanges();
Console.WriteLine("Added team to league: {0} to league {1}", team.TeamName, league.LeagueName);
}
else
{
Console.WriteLine("Existing team in league: {0} belongs to {1}", team.TeamName, league.LeagueName);
}
}
}
private static void CreateTeamsIfNotExists(
FootballEntities context, IEnumerable<XElement> xTeams, League league)
{
foreach (var xTeam in xTeams)
{
// Find the team by team name and country name (if exists)
var teamName = xTeam.Attribute("name").Value;
var xCountry = xTeam.Attribute("country");
string countryName = null;
if (xCountry != null)
{
countryName = xCountry.Value;
}
var team = context.Teams
.Include(t => t.Leagues)
.FirstOrDefault(
t => t.TeamName == teamName &&
t.Country.CountryName == countryName);
// Create the team if it does not exists
if (team != null)
{
Console.WriteLine("Existing team: {0} ({1})",
team.TeamName, countryName ?? "no country");
}
else
{
// Create a new team in the DB
team = new Team()
{
TeamName = teamName,
Country = context.Countries.FirstOrDefault(
c => c.CountryName == countryName),
};
context.Teams.Add(team);
context.SaveChanges();
Console.WriteLine("Created team: {0} ({1})",
team.TeamName, countryName ?? "no country");
}
AddTeamToLeague(context, team, league);
}
}
private static League CreateLeagueIfNotExists(FootballEntities context, XElement xLeague)
{
League league = null;
var xElementLeagueName = xLeague.Element("league-name");
if (xElementLeagueName != null)
{
string leagueName = xElementLeagueName.Value;
league = context.Leagues.FirstOrDefault(l => l.LeagueName == leagueName);
if (league != null)
{
Console.WriteLine("Existing league: {0}", leagueName);
}
else
{
// Create a new league in the DB
league = new League() { LeagueName = leagueName };
context.Leagues.Add(league);
context.SaveChanges();
Console.WriteLine("Created league: {0}", leagueName);
}
}
return league;
}
static void Main(string[] args)
{
var context = new FootballEntities();
XDocument xmlDoc = XDocument.Load("../../leagues-and-teams.xml");
var leaguesAndTeams =
from league in xmlDoc.Descendants("league")
select new
{
LeagueName = league.Element("league-name") != null ? league.Element("league-name").Value : null,
Teams = league.Element("teams") != null ? league.Element("teams").Elements() : null
};
int countXmlLeagues = 0;
foreach (var league in leaguesAndTeams)
{
League leageToDb = null;
Console.WriteLine("Processing league #{0}", ++countXmlLeagues);
if(league.LeagueName != null)
{
leageToDb = context.Leagues.FirstOrDefault(l => l.LeagueName == league.LeagueName);
if (leageToDb != null)
{
Console.WriteLine("Existing league: {0}", league.LeagueName);
}
else
{
leageToDb = new League() { LeagueName = league.LeagueName };
context.Leagues.Add(leageToDb);
Console.WriteLine("Created league: {0}", league.LeagueName);
}
}
if(league.Teams != null)
{
foreach (var team in league.Teams)
{
string teamName = team.Attribute("name").Value;
string countryName = "";
if (team.Attribute("country") != null)
{
countryName = team.Attribute("country").Value;
}
Team teamToDb = context.Teams.FirstOrDefault(t => t.TeamName == teamName && t.Country.CountryName == countryName);
if(teamToDb == null)
{
teamToDb = context.Teams.FirstOrDefault(t => t.TeamName == teamName);
}
if(teamToDb != null)
{
Console.WriteLine("Existing team: {0} ({1})",
teamName, !string.IsNullOrEmpty(countryName) ? countryName : "no country");
}
else
{
Country country = context.Countries.FirstOrDefault(c => c.CountryName == countryName);
if(!string.IsNullOrEmpty(countryName))
{
if(country == null)
{
country = new Country()
{
CountryName = countryName
};
}
}
teamToDb = new Team()
{
TeamName = teamName,
Country = country
};
context.Teams.Add(teamToDb);
Console.WriteLine("Created team: {0} ({1})",
teamName, !string.IsNullOrEmpty(countryName) ? countryName : "no country");
}
if(leageToDb != null)
{
if(!leageToDb.Teams.Contains(teamToDb))
{
Console.WriteLine("Existing team in league: {0} belongs to {1}",
teamToDb.TeamName, leageToDb.LeagueName);
}
else
{
leageToDb.Teams.Add(teamToDb);
Console.WriteLine("Added team to league: {0} to league {1}",
teamToDb.TeamName, leageToDb.LeagueName);
}
}
}
}
Console.WriteLine();
context.SaveChanges();
}
}