82 lines
3.2 KiB
Kotlin
82 lines
3.2 KiB
Kotlin
package moe.kageru.kagebot.command
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import moe.kageru.kagebot.Globals
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import moe.kageru.kagebot.Log.log
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import moe.kageru.kagebot.MessageUtil
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import moe.kageru.kagebot.Util.doIf
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import moe.kageru.kagebot.config.Config
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import moe.kageru.kagebot.config.RawCommand
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import moe.kageru.kagebot.features.MessageFeature
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import org.javacord.api.entity.message.MessageAuthor
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import org.javacord.api.entity.message.embed.EmbedBuilder
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import org.javacord.api.event.message.MessageCreateEvent
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private const val AUTHOR_PLACEHOLDER = "@@"
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class Command(cmd: RawCommand) {
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val trigger: String
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private val response: String?
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val matchType: MatchType
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private val permissions: Permissions?
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private val actions: MessageActions?
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val regex: Regex?
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val embed: EmbedBuilder?
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val feature: MessageFeature?
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init {
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trigger = cmd.trigger ?: throw IllegalArgumentException("Every command must have a trigger.")
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response = cmd.response
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matchType = cmd.matchType?.let { type ->
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MatchType.values().find { it.name.equals(type, ignoreCase = true) }
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?: throw IllegalArgumentException("Invalid [command.matchType]: “${cmd.matchType}”")
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} ?: MatchType.PREFIX
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permissions = cmd.permissions?.let { Permissions(it) }
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actions = cmd.actions?.let { MessageActions(it) }
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regex = if (matchType == MatchType.REGEX) Regex(trigger) else null
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embed = cmd.embed?.let(MessageUtil::listToEmbed)
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feature = cmd.feature?.let { Config.features.findByString(it) }
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}
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fun isAllowed(message: MessageCreateEvent) = permissions?.isAllowed(message) ?: true
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fun execute(message: MessageCreateEvent) {
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if (permissions?.isAllowed(message) == false) {
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if (Config.localization.permissionDenied.isNotBlank()) {
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message.channel.sendMessage(Config.localization.permissionDenied)
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}
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log.info("Denying command ${this.trigger} to user ${message.messageAuthor.discriminatedName} (ID: ${message.messageAuthor.id})")
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return
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}
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log.info("Executing command ${this.trigger} triggered by user ${message.messageAuthor.discriminatedName} (ID: ${message.messageAuthor.id})")
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Globals.commandCounter.incrementAndGet()
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this.actions?.run(message, this)
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this.response?.let {
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message.channel.sendMessage(respond(message.messageAuthor, it))
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}
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this.embed?.let {
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MessageUtil.sendEmbed(message.channel, embed)
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}
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this.feature?.handle(message)
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}
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fun matches(msg: String) = this.matchType.matches(msg, this)
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private fun respond(author: MessageAuthor, response: String) = response.doIf({ it.contains(AUTHOR_PLACEHOLDER) }) {
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it.replace(AUTHOR_PLACEHOLDER, MessageUtil.mention(author))
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}
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}
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enum class MatchType {
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PREFIX {
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override fun matches(message: String, command: Command) = message.startsWith(command.trigger)
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},
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CONTAINS {
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override fun matches(message: String, command: Command) = message.contains(command.trigger)
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},
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REGEX {
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override fun matches(message: String, command: Command) = command.regex!!.matches(message)
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};
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abstract fun matches(message: String, command: Command): Boolean
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}
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