entity-model.puml

@startuml

skinparam dpi 200
skinparam classAttributeFontSize 8
skinparam classArrowFontSize 9
skinparam classFontSize 10
skinparam nodesep 90
skinparam ranksep 40
hide stereotype
skinparam class {
	BackgroundColor White
	BackgroundColor<<Tournament>> LightPink
	BackgroundColor<<User>> LightBlue
	BackgroundColor<<Team>> LightGreen
	BackgroundColor<<Match>> LightYellow
}

abstract class User <<User>> {
    String username, password, email
}

class TournamentMaster <<User>> extends User {
}

class Player <<User>> extends User {
}

class Team <<Team>> {
    String name, game, level
    Integer maxPlayers
}

Team "1..*" -- "*" Player: joins <
Team "*" -- "1" Player: leads <

class TeamInvitation <<Team>> {
    String message
}

Player "1" -left- "*" TeamInvitation: creates >
Player "*" -- "*" TeamInvitation: invites <
TeamInvitation "*" -- "1" Team: invitesTo >

class Tournament <<Tournament>> {
    String name, level, game, type, description
    Integer minParticipants, maxParticipants,
    Integer minTeamPlayers, maxTeamPlayers
    Date limitDate
}

Tournament "*" -- "1" TournamentMaster: creates <
Tournament "*" -- "*" Team: participates <

class TournamentInvitation <<Tournament>> {
    String message
}

TournamentInvitation "*" -- "1" User: creates <
TournamentInvitation "*" -- "1" Tournament: invitesTo >
TournamentInvitation "*" -- "*" Team: invites >

class Classification <<Tournament>> {
}

Classification "1" -- "1" Tournament: forA >
Classification "*" -- "*" Team: classifies >

class Round <<Round>> {
    Integer bestOf
    Integer numTeams

}

Round "*" -- "0..1" Round: nextRound
Round "1" -- "1..*" Match: matchesToPlay
Round "1" -- "0..1" Match: currentMatch
Round "1..*" -- "1" Tournament: partOf >
Round "*" -- "2..*" Team: faces >
Round "*" -- "1" Team: wins <


class Match <<Match>> {
    String description
}

Match "*" -- "1" Team: wins <



class MatchResult <<Match>> {
    String result
}

MatchResult "*" -up- "0..1" Match: of >
MatchResult "*" -- "1" Player: indicates <
MatchResult "*" -- "1" Team: setsWinner >


@enduml