discord-kagebot/src/main/kotlin/moe/kageru/kagebot/command/Command.kt

61 lines
2.3 KiB
Kotlin

package moe.kageru.kagebot.command
import com.fasterxml.jackson.annotation.JsonProperty
import moe.kageru.kagebot.Globals
import moe.kageru.kagebot.Log
import moe.kageru.kagebot.MessageUtil
import moe.kageru.kagebot.MessageUtil.mention
import moe.kageru.kagebot.config.Config
import moe.kageru.kagebot.features.MessageFeature
import org.javacord.api.entity.message.MessageAuthor
import org.javacord.api.entity.message.embed.EmbedBuilder
import org.javacord.api.event.message.MessageCreateEvent
private const val AUTHOR_PLACEHOLDER = "@@"
class Command(
val trigger: String,
private val response: String? = null,
private val permissions: Permissions?,
@JsonProperty("action")
private val actions: MessageActions?,
embed: List<String>?,
feature: String?,
matchType: String?,
) {
val matchType: MatchType = matchType?.let { type ->
MatchType.values().find { it.name.equals(type, ignoreCase = true) }
?: throw IllegalArgumentException("Invalid [command.matchType]: “$matchType")
} ?: MatchType.PREFIX
val regex: Regex? = if (this.matchType == MatchType.REGEX) Regex(trigger) else null
val embed: EmbedBuilder? = embed?.let(MessageUtil::listToEmbed)
private val feature: MessageFeature? = feature?.let { Config.features.findByString(it) }
fun matches(msg: String) = this.matchType.matches(msg, this)
fun isAllowed(message: MessageCreateEvent) = permissions?.isAllowed(message) ?: true
fun execute(message: MessageCreateEvent) {
Log.info("Executing command ${this.trigger} triggered by user ${message.messageAuthor.discriminatedName} (ID: ${message.messageAuthor.id})")
Globals.commandCounter.incrementAndGet()
this.actions?.run(message, this)
this.response?.let {
message.channel.sendMessage(respond(message.messageAuthor, it))
}
this.embed?.let {
MessageUtil.sendEmbed(message.channel, embed)
}
this.feature?.handle(message)
}
private fun respond(author: MessageAuthor, response: String) =
response.replace(AUTHOR_PLACEHOLDER, author.mention())
}
@Suppress("unused")
enum class MatchType(val matches: (String, Command) -> Boolean) {
PREFIX({ message, command -> message.startsWith(command.trigger, ignoreCase = true) }),
CONTAINS({ message, command -> message.contains(command.trigger, ignoreCase = true) }),
REGEX({ message, command -> command.regex!!.matches(message) }),
}