Add a moverole command

src/main/kotlin/nl/voidcorp/discord/commands/roles/MoveRoleCommand.kt

@@ -0,0 +1,45 @@
+package nl.voidcorp.discord.commands.roles
+
+import nl.voidcorp.discord.command.*
+import nl.voidcorp.discord.storage.GuildStore
+import org.springframework.stereotype.Service
+
+@Service
+class MoveRoleCommand : Command(
+    "moverole",
+    commandLevel = CommandLevel.MODERATOR,
+    usage = "moverole [from] [to]",
+    location = CommandSource.GUILD,
+    group = CommandGroup.ROLES
+) {
+    override fun handle(event: CommandMessage): CommandResult {
+        if (event.params.drop(2).isEmpty() || event.params.toSet().size != event.params.size) return CommandResult.PARAMETERS
+        val guild = repo.findByGuildId(event.guild!!.idLong) ?: GuildStore(event.guild.idLong)
+        val from = guild.roleMap[event.params[1]]
+        val to = guild.roleMap[event.params[2]]
+        if (from == null || to == null) {
+            event.reply("One of those roles does not exist...")
+            return CommandResult.PARAMETERS
+        }
+        val r1 = event.guild.getRoleById(from)
+        val r2 = event.guild.getRoleById(to)
+        val who = event.guild.members.filter { it.roles.contains(r1) }
+        who.forEach {
+            if (r1 != null)
+                event.guild.controller.removeSingleRoleFromMember(it, r1).reason("Swap roles").queue()
+            if (r2 != null) {
+                event.guild.controller.addSingleRoleToMember(it, r2).reason("Swap roles").queue()
+            }
+        }
+
+//        val toRemove = guild.roleMap.filterKeys { it in event.params.drop(1) }
+//
+//        val roleLongs =
+//            event.member!!.roles.map { it.idLong }.intersect(toRemove.values)
+//        val remove = roleLongs.map { event.guild.getRoleById(it) }.filter { it != null }
+//        val remmed = toRemove.filterValues { it in roleLongs }.keys
+//        event.guild.controller.removeRolesFromMember(event.member, remove).queue()
+//        event.reply("Removed the roles ${remmed.joinToString { "`$it`" }}")
+        return CommandResult.SUCCESS
+    }
+}