118 lines
4.5 KiB
Kotlin
118 lines
4.5 KiB
Kotlin
package moe.kageru.kagebot
|
|
|
|
import moe.kageru.kagebot.Globals.api
|
|
import moe.kageru.kagebot.Globals.server
|
|
import moe.kageru.kagebot.Log.log
|
|
import org.javacord.api.entity.channel.TextChannel
|
|
import org.javacord.api.entity.message.MessageAuthor
|
|
import org.javacord.api.entity.message.embed.EmbedBuilder
|
|
import org.javacord.api.entity.permission.Role
|
|
import org.javacord.api.entity.user.User
|
|
import org.javacord.api.event.message.MessageCreateEvent
|
|
import java.awt.Color
|
|
import java.util.Optional
|
|
import java.util.concurrent.CompletableFuture
|
|
import java.util.concurrent.CompletionException
|
|
|
|
object Util {
|
|
inline fun <T> T.doIf(condition: (T) -> Boolean, op: (T) -> T): T {
|
|
return if (condition(this)) op(this) else this
|
|
}
|
|
|
|
/**
|
|
* Mimics the behavior of [Optional.ifPresent], but returns null if the optional is empty,
|
|
* allowing easier fallback behavior via Kotlin’s ?: operator.
|
|
*/
|
|
private inline fun <T, R> Optional<T>.ifNotEmpty(op: (T) -> R): R? {
|
|
if (this.isPresent) {
|
|
return op(this.get())
|
|
}
|
|
return null
|
|
}
|
|
|
|
fun hasOneOf(messageAuthor: MessageAuthor, roles: Set<Role>): Boolean {
|
|
return messageAuthor.asUser().ifNotEmpty { user ->
|
|
user.getRoles(server).toSet().intersect(roles).isNotEmpty()
|
|
} ?: false
|
|
}
|
|
|
|
private val channelIdRegex = Regex("\\d{18}")
|
|
private fun String.isEntityId() = channelIdRegex.matches(this)
|
|
|
|
@Throws(IllegalArgumentException::class)
|
|
fun findRole(idOrName: String): Role {
|
|
return when {
|
|
idOrName.isEntityId() -> server.getRoleById(idOrName).ifNotEmpty { it }
|
|
?: throw IllegalArgumentException("Role $idOrName not found.")
|
|
else -> server.getRolesByNameIgnoreCase(idOrName).let {
|
|
when (it.size) {
|
|
0 -> throw IllegalArgumentException("Role $idOrName not found.")
|
|
1 -> it[0]
|
|
else -> throw IllegalArgumentException("More than one role found with name $idOrName. Please specify the role ID instead")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fun <T> wasSuccessful(future: CompletableFuture<T>): Boolean {
|
|
try {
|
|
future.join()
|
|
} catch (e: CompletionException) {
|
|
// we don’t care about this error, but I don’t want to spam stdout
|
|
}
|
|
return !future.isCompletedExceptionally
|
|
}
|
|
|
|
@Throws(IllegalArgumentException::class)
|
|
fun findChannel(idOrName: String): TextChannel {
|
|
return when {
|
|
idOrName.isEntityId() -> server.getTextChannelById(idOrName).ifNotEmpty { it }
|
|
?: throw IllegalArgumentException("Channel ID $idOrName not found.")
|
|
else -> if (idOrName.startsWith('@')) {
|
|
api.getCachedUserByDiscriminatedName(idOrName.removePrefix("@")).ifNotEmpty { user ->
|
|
val channelFuture = user.openPrivateChannel()
|
|
val channel = channelFuture.join()
|
|
if (channelFuture.isCompletedExceptionally) {
|
|
throw IllegalArgumentException("Could not open private channel with user $idOrName for redirection.")
|
|
}
|
|
channel
|
|
}
|
|
?: throw IllegalArgumentException("Can’t find user $idOrName for redirection.")
|
|
} else {
|
|
server.getTextChannelsByName(idOrName).let {
|
|
when (it.size) {
|
|
0 -> throw IllegalArgumentException("Channel $idOrName not found.")
|
|
1 -> it[0]
|
|
else -> throw IllegalArgumentException("More than one channel found with name $idOrName. Please specify the channel ID instead")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
inline fun checked(op: (() -> Unit)) {
|
|
try {
|
|
op()
|
|
} catch (e: Exception) {
|
|
log.warning("An uncaught exception occurred.\n$e")
|
|
Globals.api.owner.get().sendMessage(
|
|
EmbedBuilder()
|
|
.setTimestampToNow()
|
|
.setColor(Color.RED)
|
|
.addField("Error", "kagebot has encountered an error")
|
|
.addField(
|
|
"$e", """```
|
|
${e.stackTrace.joinToString("\n")}
|
|
```""".trimIndent()
|
|
)
|
|
)
|
|
}
|
|
}
|
|
|
|
fun userFromMessage(message: MessageCreateEvent): User? {
|
|
return message.messageAuthor.id.let { id ->
|
|
Globals.server.getMemberById(id).orElse(null)
|
|
}
|
|
}
|
|
}
|