81 lines
3.5 KiB
Kotlin
81 lines
3.5 KiB
Kotlin
package moe.kageru.kagebot.features
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import arrow.core.*
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import arrow.core.extensions.either.applicative.applicative
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import arrow.core.extensions.either.monad.flatMap
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import arrow.core.extensions.list.monad.map
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import arrow.core.extensions.listk.functorFilter.filter
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import arrow.core.extensions.option.applicative.applicative
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import arrow.syntax.collections.destructured
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import com.fasterxml.jackson.annotation.JsonProperty
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import moe.kageru.kagebot.Log
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import moe.kageru.kagebot.MessageUtil.sendEmbed
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import moe.kageru.kagebot.Util.findRole
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import moe.kageru.kagebot.Util.findUser
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import moe.kageru.kagebot.config.Config
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import moe.kageru.kagebot.config.LocalizationSpec
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import moe.kageru.kagebot.extensions.*
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import moe.kageru.kagebot.persistence.Dao
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import org.javacord.api.entity.permission.Role
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import org.javacord.api.entity.user.User
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import org.javacord.api.event.message.MessageCreateEvent
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import java.time.Duration
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import java.time.Instant
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class TimeoutFeature(@JsonProperty("role") role: String) : MessageFeature {
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private val timeoutRole: Role = findRole(role).unwrap()
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override fun handle(message: MessageCreateEvent) {
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message.readableMessageContent.split(' ', limit = 4).let { args ->
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Either.cond(
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args.size >= 3,
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{ Tuple3(args[1], args[2], args.getOrNull(3)) },
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{ "Error: expected “<command> <user> <time> [<reason>]”. If the name contains spaces, please use the user ID instead." }
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).flatMap {
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it.mapFirst(Option.applicative(), ::findUser).fix()
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.toEither { "Error: User ${it.a} not found, consider using the user ID" }
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}.flatMap {
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it.mapSecond(Either.applicative()) { time ->
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time.toLongOrNull().rightIfNotNull { "Error: malformed time “${it.b}”" }
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}.fix()
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}.on { (user, time, _) ->
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applyTimeout(user, time)
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}.fold(
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{ error -> message.channel.sendMessage(error) },
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{ (user, time, reason) ->
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user.sendEmbed {
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addField("Timeout", Config.localization[LocalizationSpec.timeout].replace("@@", "$time"))
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reason?.let { addField("Reason", it) }
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}
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}
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)
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}
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}
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private fun applyTimeout(user: User, time: Long) {
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val oldRoles = user.roles()
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.filter { !it.isManaged }
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.onEach { user.removeRole(it) }
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.map { it.id }
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user.addRole(timeoutRole)
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val releaseTime = Instant.now().plus(Duration.ofMinutes(time)).epochSecond
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Dao.saveTimeout(releaseTime, user.id, oldRoles)
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Log.info("Removed roles ${oldRoles.joinToString()} from user ${user.discriminatedName}")
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}
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fun checkAndRelease(): Unit = Dao.getAllTimeouts()
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.filter { releaseTime -> Instant.now().epochSecond > releaseTime }
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.map { Dao.deleteTimeout(it) }
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.map { it.destructured() }
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.forEach { (userId, roleIds) ->
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Config.server.memberById(userId).fold(
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{ Log.warn("Tried to free user $userId, but couldn’t find them on the server anymore") },
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{ user ->
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roleIds.forEach { findRole("$it").map(user::addRole) }
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user.removeRole(timeoutRole)
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Log.info("Lifted timeout from user ${user.discriminatedName}. Stored roles ${roleIds.joinToString()}")
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}
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)
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}
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}
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