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Extract generation of help message as HelpCommand.generateDefaultHelp, helps #416

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Him188 2021-11-09 21:43:55 +00:00
parent b45ca8df81
commit ae4ab2acca
1 changed files with 19 additions and 10 deletions
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21
backend/mirai-console/src/command/BuiltInCommands.kt
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@ -93,18 +93,27 @@ public object BuiltInCommands {
ConsoleCommandOwner, "help",
description = "查看指令帮助",
), BuiltInCommandInternal {
@Handler
public suspend fun CommandSender.handle() {
sendMessage(
allRegisteredCommands
.filter { hasPermission(it.permission) }
/**
* @since 2.8.0-RC
*/
// for https://github.com/mamoe/mirai-console/issues/416
@JvmStatic
public fun generateDefaultHelp(permitteeId: PermitteeId): String {
return allRegisteredCommands
.asSequence()
.filter { permitteeId.hasPermission(it.permission) }
.joinToString("\n\n") { command ->
val lines = command.usage.lines()
if (lines.isEmpty()) "/${command.primaryName} ${command.description}"
else
"◆ " + lines.first() + "\n" + lines.drop(1).joinToString("\n") { " $it" }
}.lines().filterNot(String::isBlank).joinToString("\n")
)
}
@Handler
public suspend fun CommandSender.handle() {
sendMessage(generateDefaultHelp(this.permitteeId))
}
}