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package io.dico.parcels2
import io.dico.parcels2.Privilege.*
import io.dico.parcels2.PrivilegeChangeResult.*
import io.dico.parcels2.util.ext.PERM_ADMIN_MANAGE
import io.dico.parcels2.util.ext.PERM_BAN_BYPASS
import io.dico.parcels2.util.ext.PERM_BUILD_ANYWHERE
import org.bukkit.OfflinePlayer
import org.bukkit.entity.Player
enum class Privilege(
val number: Int,
val transient: Boolean = false
) {
BANNED(1),
DEFAULT(2),
CAN_BUILD(3),
CAN_MANAGE(4),
OWNER(-1, transient = true),
ADMIN(-1, transient = true);
fun isDistanceGrEq(other: Privilege): Boolean =
when { // used for example when disallowBuild is called and CAN_MANAGE is the privilege.
other > DEFAULT -> this >= other
other == DEFAULT -> this == other
else -> this <= other
}
fun isChangeInDirection(positiveDirection: Boolean, update: Privilege): Boolean =
if (positiveDirection) update > this
else update < this
fun requireNonTransient(): Privilege {
if (transient) {
throw IllegalArgumentException("Transient privilege $this is invalid")
}
return this
}
/*
fun canEnter() = this >= BANNED
fun canBuild() = this >= CAN_BUILD
fun canManage() = this >= CAN_MANAGE
*/
companion object {
fun getByNumber(id: Int) =
when (id) {
1 -> BANNED
2 -> DEFAULT
3 -> CAN_BUILD
4 -> CAN_MANAGE
else -> null
}
}
}
typealias PrivilegeKey = PlayerProfile.Real
typealias MutablePrivilegeMap = MutableMap<PrivilegeKey, Privilege>
typealias PrivilegeMap = Map<PrivilegeKey, Privilege>
@Suppress("FunctionName")
fun MutablePrivilegeMap(): MutablePrivilegeMap = hashMapOf()
interface PrivilegesMinimal {
val map: PrivilegeMap
var privilegeOfStar: Privilege
fun getStoredPrivilege(key: PrivilegeKey): Privilege
fun setStoredPrivilege(key: PrivilegeKey, privilege: Privilege): Boolean
}
interface Privileges : PrivilegesMinimal {
val keyOfOwner: PlayerProfile.Real?
fun privilege(player: OfflinePlayer, adminPerm: String): Privilege =
if (player is Player && player.hasPermission(adminPerm)) ADMIN
else {
val key = player.privilegeKey
if (key == keyOfOwner) OWNER
else getStoredPrivilege(key)
}
fun changePrivilege(key: PrivilegeKey, positive: Boolean, update: Privilege): PrivilegeChangeResult =
if (key != keyOfOwner) FAIL_OWNER
else if (getStoredPrivilege(key).isChangeInDirection(positive, update)
&& setStoredPrivilege(key, update)
) SUCCESS
else FAIL
fun canManage(player: OfflinePlayer) = privilege(player, PERM_ADMIN_MANAGE) >= CAN_MANAGE
fun allowManage(player: OfflinePlayer) = changePrivilege(player.privilegeKey, true, CAN_MANAGE)
fun disallowManage(player: OfflinePlayer) = changePrivilege(player.privilegeKey, false, CAN_BUILD)
fun canBuild(player: OfflinePlayer) = privilege(player, PERM_BUILD_ANYWHERE) >= CAN_BUILD
fun allowBuild(player: OfflinePlayer) = changePrivilege(player.privilegeKey, true, CAN_BUILD)
fun disallowBuild(player: OfflinePlayer) = changePrivilege(player.privilegeKey, false, DEFAULT)
fun canEnter(player: OfflinePlayer) = privilege(player, PERM_BAN_BYPASS) >= DEFAULT
fun ban(player: OfflinePlayer) = changePrivilege(player.privilegeKey, false, BANNED)
fun unban(player: OfflinePlayer) = changePrivilege(player.privilegeKey, true, DEFAULT)
/**
* same as [canBuild] but doesn't perform a permission check for admin perms
*/
fun canBuildFast(player: OfflinePlayer) = player.privilegeKey.let { if (it == keyOfOwner) OWNER else getStoredPrivilege(it)} >= CAN_BUILD
}
enum class PrivilegeChangeResult {
SUCCESS, FAIL, FAIL_OWNER
}
val OfflinePlayer.privilegeKey: PrivilegeKey
inline get() = PlayerProfile.nameless(this)
open class PrivilegesHolder(override var map: MutablePrivilegeMap = MutablePrivilegeMap()) : PrivilegesMinimal {
override var privilegeOfStar: Privilege = DEFAULT
set(value) = run { field = value.requireNonTransient() }
override fun getStoredPrivilege(key: PrivilegeKey) =
if (key.isStar) privilegeOfStar
else map.getOrDefault(key, privilegeOfStar)
override fun setStoredPrivilege(key: PrivilegeKey, privilege: Privilege): Boolean {
privilege.requireNonTransient()
if (key.isStar) {
if (privilegeOfStar == privilege) return false
privilegeOfStar = privilege
return true
}
return if (privilege == DEFAULT) map.remove(key) != null
else map.put(key, privilege) != privilege
}
}
interface GlobalPrivileges : Privileges {
override val keyOfOwner: PlayerProfile.Real
}
interface GlobalPrivilegesManager {
operator fun get(owner: PlayerProfile.Real): GlobalPrivileges
operator fun get(owner: OfflinePlayer): GlobalPrivileges = get(owner.privilegeKey)
}
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