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Add atBot DSL

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This commit is contained in:
Him188 2020-04-12 00:54:47 +08:00
parent c5df5fa122
commit e279e79b63
1 changed files with 14 additions and 0 deletions
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14
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/subscribeMessages.kt
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@ -24,8 +24,10 @@ import net.mamoe.mirai.message.ContactMessage
import net.mamoe.mirai.message.FriendMessage
import net.mamoe.mirai.message.GroupMessage
import net.mamoe.mirai.message.TempMessage
import net.mamoe.mirai.message.data.At
import net.mamoe.mirai.message.data.Message
import net.mamoe.mirai.message.data.firstIsInstance
import net.mamoe.mirai.message.data.firstIsInstanceOrNull
import net.mamoe.mirai.utils.SinceMirai
import kotlin.contracts.ExperimentalContracts
import kotlin.contracts.InvocationKind
@ -677,6 +679,18 @@ open class MessageSubscribersBuilder<M : ContactMessage, out Ret, R : RR, RR>(
fun sentFrom(groupId: Long, onEvent: MessageListener<GroupMessage, R>): Ret =
content({ this is GroupMessage && this.group.id == groupId }) { onEvent(this as GroupMessage, it) }
/** 如果消息内容包含目标为 [Bot] 的 [At] */
@MessageDsl
fun atBot(): ListeningFilter =
content { message.firstIsInstanceOrNull<At>()?.target == bot.id }
/** 如果消息内容包含目标为 [Bot] 的 [At], 就执行 [onEvent] */
@MessageDsl
@SinceMirai("0.30.0")
fun atBot(onEvent: @MessageDsl suspend M.(String) -> R): Ret =
content({ message.firstIsInstanceOrNull<At>()?.target == bot.id },
{ onEvent.invoke(this, message.contentToString()) })
/** 如果消息内容包含 [N] 类型的 [Message] */
@MessageDsl
inline fun <reified N : Message> has(): ListeningFilter = content { message.any { it is N } }