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CheckUtils.kt
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CheckUtils.kt
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
@file:OptIn(KordUnsafe::class, KordExperimental::class)
package com.kotlindiscord.kord.extensions.checks
import com.kotlindiscord.kord.extensions.checks.types.CheckContext
import com.kotlindiscord.kord.extensions.events.interfaces.*
import com.kotlindiscord.kord.extensions.utils.authorId
import dev.kord.common.annotation.KordExperimental
import dev.kord.common.annotation.KordUnsafe
import dev.kord.common.entity.Snowflake
import dev.kord.core.behavior.*
import dev.kord.core.behavior.channel.ChannelBehavior
import dev.kord.core.behavior.channel.threads.ThreadChannelBehavior
import dev.kord.core.cache.data.toData
import dev.kord.core.entity.Member
import dev.kord.core.entity.interaction.Interaction
import dev.kord.core.event.Event
import dev.kord.core.event.channel.*
import dev.kord.core.event.channel.thread.*
import dev.kord.core.event.guild.*
import dev.kord.core.event.interaction.InteractionCreateEvent
import dev.kord.core.event.message.*
import dev.kord.core.event.role.RoleCreateEvent
import dev.kord.core.event.role.RoleDeleteEvent
import dev.kord.core.event.role.RoleUpdateEvent
import dev.kord.core.event.user.PresenceUpdateEvent
import dev.kord.core.event.user.UserUpdateEvent
import dev.kord.core.event.user.VoiceStateUpdateEvent
import kotlinx.coroutines.flow.first
/**
* Retrieves a channel that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [ChannelBehavior] representing the channel, or null if there isn't one.
*/
public suspend fun channelFor(event: Event): ChannelBehavior? {
return when (event) {
is ChannelEvent -> event.channel
is ChannelCreateEvent -> event.channel
is ChannelDeleteEvent -> event.channel
is ChannelPinsUpdateEvent -> event.channel
is ChannelUpdateEvent -> event.channel
is InteractionCreateEvent -> event.interaction.channel
is InviteCreateEvent -> event.channel
is InviteDeleteEvent -> event.channel
is MessageBulkDeleteEvent -> event.channel
is MessageCreateEvent -> event.message.channel
is MessageDeleteEvent -> event.message?.channel
is MessageUpdateEvent -> event.channel
is ReactionAddEvent -> event.channel
is ReactionRemoveAllEvent -> event.channel
is ReactionRemoveEmojiEvent -> event.channel
is ReactionRemoveEvent -> event.channel
is TypingStartEvent -> event.channel
is VoiceStateUpdateEvent -> event.kord.unsafe.channel(event.state.channelId ?: return null)
is WebhookUpdateEvent -> event.channel
is ThreadChannelDeleteEvent -> event.old
// is ThreadListSyncEvent -> event.
is ThreadMemberUpdateEvent -> event.member.getThreadOrNull()
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a channel that is the subject of a given event, if possible, returning the
* parent if the channel is a thread.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [ChannelBehavior] representing the channel, or null if there isn't one.
*/
public suspend fun topChannelFor(event: Event): ChannelBehavior? {
val channel = channelFor(event)?.asChannelOrNull() ?: return null
return if (channel is ThreadChannelBehavior) {
channel.parent
} else {
channel
}
}
/**
* Retrieves a channel ID representing a channel that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [Long] representing the channel ID, or null if there isn't one.
*/
public suspend fun channelIdFor(event: Event): ULong? {
return when (event) {
is ChannelEvent -> event.channel?.id?.value
is ChannelCreateEvent -> event.channel.id.value
is ChannelDeleteEvent -> event.channel.id.value
is ChannelPinsUpdateEvent -> event.channel.id.value
is ChannelUpdateEvent -> event.channel.id.value
is InteractionCreateEvent -> event.interaction.channel.id.value
is InviteCreateEvent -> event.channel.id.value
is InviteDeleteEvent -> event.channel.id.value
is MessageBulkDeleteEvent -> event.channelId.value
is MessageCreateEvent -> event.message.channel.id.value
is MessageDeleteEvent -> event.channelId.value
is MessageUpdateEvent -> event.channel.id.value
is ReactionAddEvent -> event.channel.id.value
is ReactionRemoveAllEvent -> event.channel.id.value
is ReactionRemoveEmojiEvent -> event.channel.id.value
is ReactionRemoveEvent -> event.channel.id.value
is TypingStartEvent -> event.channel.id.value
is VoiceStateUpdateEvent -> event.state.channelId?.value
is WebhookUpdateEvent -> event.channel.id.value
is ThreadChannelDeleteEvent -> event.channel.id.value
// is ThreadListSyncEvent -> event.
is ThreadMemberUpdateEvent -> event.member.getThreadOrNull()?.id?.value
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a channel ID representing a channel that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [Snowflake] representing the channel ID, or null if there isn't one.
*/
public suspend fun channelSnowflakeFor(event: Event): Snowflake? {
return when (event) {
is ChannelEvent -> event.channel?.id
is ChannelCreateEvent -> event.channel.id
is ChannelDeleteEvent -> event.channel.id
is ChannelPinsUpdateEvent -> event.channel.id
is ChannelUpdateEvent -> event.channel.id
is InteractionCreateEvent -> event.interaction.channel.id
is InviteCreateEvent -> event.channel.id
is InviteDeleteEvent -> event.channel.id
is MessageBulkDeleteEvent -> event.channelId
is MessageCreateEvent -> event.message.channel.id
is MessageDeleteEvent -> event.channelId
is MessageUpdateEvent -> event.channel.id
is ReactionAddEvent -> event.channel.id
is ReactionRemoveAllEvent -> event.channel.id
is ReactionRemoveEmojiEvent -> event.channel.id
is ReactionRemoveEvent -> event.channel.id
is TypingStartEvent -> event.channel.id
is VoiceStateUpdateEvent -> event.state.channelId
is WebhookUpdateEvent -> event.channel.id
is ThreadChannelDeleteEvent -> event.channel.id
// is ThreadListSyncEvent -> event.
is ThreadMemberUpdateEvent -> event.member.getThreadOrNull()?.id
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a guild that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [GuildBehavior] representing the guild, or null if there isn't one.
*/
public suspend fun guildFor(event: Event): GuildBehavior? {
return when (event) {
is GuildEvent -> event.guild
is BanAddEvent -> event.guild
is BanRemoveEvent -> event.guild
is CategoryCreateEvent -> event.channel.guild
is CategoryDeleteEvent -> event.channel.guild
is CategoryUpdateEvent -> event.channel.guild
is EmojisUpdateEvent -> event.guild
is GuildCreateEvent -> event.guild
is GuildDeleteEvent -> event.guild
is GuildUpdateEvent -> event.guild
is IntegrationsUpdateEvent -> event.guild
is InteractionCreateEvent -> {
val guildId = event.interaction.data.guildId.value
?: return null
event.kord.unsafe.guild(guildId)
}
is InviteCreateEvent -> event.guild
is InviteDeleteEvent -> event.guild
is MembersChunkEvent -> event.guild
is MemberJoinEvent -> event.guild
is MemberLeaveEvent -> event.guild
is MemberUpdateEvent -> event.guild
is MessageBulkDeleteEvent -> event.guild
is MessageCreateEvent -> {
val guildId = event.message.data.guildId.value
?: return null
event.kord.unsafe.guild(guildId)
}
is MessageDeleteEvent -> event.guild
is MessageUpdateEvent -> {
val guildId = event.new.guildId.value
?: return null
event.kord.unsafe.guild(guildId)
}
is NewsChannelCreateEvent -> event.channel.guild
is NewsChannelDeleteEvent -> event.channel.guild
is NewsChannelUpdateEvent -> event.channel.guild
is ReactionAddEvent -> event.guild
is ReactionRemoveEvent -> event.guild
is TextChannelCreateEvent -> event.channel.guild
is TextChannelDeleteEvent -> event.channel.guild
is TextChannelUpdateEvent -> event.channel.guild
is TypingStartEvent -> event.guild
is VoiceChannelCreateEvent -> event.channel.guild
is VoiceChannelDeleteEvent -> event.channel.guild
is VoiceChannelUpdateEvent -> event.channel.guild
is VoiceServerUpdateEvent -> event.guild
is VoiceStateUpdateEvent -> event.state.getGuildOrNull()
is WebhookUpdateEvent -> event.guild
is ThreadChannelCreateEvent -> event.channel.guild
is ThreadUpdateEvent -> event.channel.guild
// is ThreadChannelDeleteEvent -> event.
is ThreadListSyncEvent -> event.guild
is ThreadMemberUpdateEvent -> event.member.getThreadOrNull()?.guild
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a member that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [MemberBehavior] representing the member, or null if there isn't one.
*/
public suspend fun memberFor(event: Event): MemberBehavior? {
return when (event) {
is MemberEvent -> event.member
is InteractionCreateEvent -> {
val guildId = event.interaction.data.guildId.value
?: return null
event.kord.unsafe
.guild(guildId)
.getMemberOrNull(event.interaction.user.id)
}
is MemberJoinEvent -> event.member
is MemberUpdateEvent -> event.member
is MessageCreateEvent -> event.member
is MessageDeleteEvent ->
event.message?.data?.guildId?.value
?.let { event.kord.unsafe.member(it, event.message!!.data.authorId) }
is MessageUpdateEvent -> {
val message = event.new
if (message.author.value != null && message.member.value != null) {
val userData = message.author.value!!.toData()
val memberData = message.member.value!!.toData(userData.id, event.new.guildId.value!!)
return Member(memberData, userData, event.kord)
}
null
}
is ReactionAddEvent -> event.userAsMember
is ReactionRemoveEvent -> event.userAsMember
is TypingStartEvent -> event.getGuildOrNull()?.getMemberOrNull(event.userId)
is ThreadChannelCreateEvent -> event.channel.owner.asMember(event.channel.guildId)
// event is ThreadUpdateEvent -> event.
// event is ThreadChannelDeleteEvent -> event.
// event is ThreadListSyncEvent -> event.
is ThreadMemberUpdateEvent -> {
val thread = event.member.getThreadOrNull()
?: return null
event.member.asMember(thread.guildId)
}
is VoiceStateUpdateEvent -> event.kord.unsafe.member(
event.state.guildId,
event.state.userId
)
// event is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a message that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [MessageBehavior] representing the message, or null if there isn't one.
*/
public suspend fun messageFor(event: Event): MessageBehavior? {
return when (event) {
is MessageEvent -> event.message
is MessageCreateEvent -> event.message
is MessageDeleteEvent -> event.message
is MessageUpdateEvent -> event.getMessage()
is ReactionAddEvent -> event.message
is ReactionRemoveAllEvent -> event.message
is ReactionRemoveEmojiEvent -> event.message
is ReactionRemoveEvent -> event.message
is ThreadChannelCreateEvent -> event.channel.getLastMessage()
// is ThreadUpdateEvent -> event.
// is ThreadChannelDeleteEvent -> event.
// is ThreadListSyncEvent -> event.
// is ThreadMemberUpdateEvent -> event.
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a role that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [RoleBehavior] representing the role, or null if there isn't one.
*/
public fun roleFor(event: Event): RoleBehavior? {
return when (event) {
is RoleEvent -> event.role
is RoleCreateEvent -> event.role
is RoleDeleteEvent -> event.role
is RoleUpdateEvent -> event.role
// is ThreadChannelCreateEvent -> event.
// is ThreadUpdateEvent -> event.
// is ThreadChannelDeleteEvent -> event.
// is ThreadListSyncEvent -> event.
// is ThreadMemberUpdateEvent -> event.
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/**
* Retrieves a thread that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [ThreadChannelBehavior] representing the role, or null if there isn't one.
*/
public suspend fun threadFor(event: Event): ThreadChannelBehavior? =
channelFor(event) as? ThreadChannelBehavior
/**
* Retrieves a user that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the channel to retrieve.
* @return A [UserBehavior] representing the user, or null if there isn't one.
*/
public suspend fun userFor(event: Event): UserBehavior? {
return when (event) {
is UserEvent -> event.user
is BanAddEvent -> event.user
is BanRemoveEvent -> event.user
// We don't deal with self-bots, so we only want the first user - bots can't be in group DMs.
is DMChannelCreateEvent -> event.channel.recipients.first { it.id != event.kord.selfId }
is DMChannelDeleteEvent -> event.channel.recipients.first { it.id != event.kord.selfId }
is DMChannelUpdateEvent -> event.channel.recipients.first { it.id != event.kord.selfId }
is InteractionCreateEvent -> event.interaction.user
is MemberJoinEvent -> event.member
is MemberLeaveEvent -> event.user
is MemberUpdateEvent -> event.member
is MessageCreateEvent -> event.message.author
is MessageDeleteEvent -> event.message?.author
is MessageUpdateEvent -> event.getMessage().author
is PresenceUpdateEvent -> event.member
is ReactionAddEvent -> event.user
is ReactionRemoveEvent -> event.user
is TypingStartEvent -> event.user
is UserUpdateEvent -> event.user
is VoiceStateUpdateEvent -> event.kord.unsafe.user(event.state.userId)
is ThreadChannelCreateEvent -> event.channel.owner
// is ThreadUpdateEvent -> event.
// is ThreadChannelDeleteEvent -> event.
// is ThreadListSyncEvent -> event.
is ThreadMemberUpdateEvent -> event.member
// is ThreadMembersUpdateEvent -> event.
else -> null
}
}
/** Silence the current check by removing any message it may have set. **/
public fun CheckContext<*>.silence() {
message = null
}
/**
* Retrieves an interaction that is the subject of a given event, if possible.
*
* This function only supports a specific set of events - any unsupported events will
* simply result in a `null` value. Please note that some events may support a
* null value for this type of object, and this will also be reflected in the return
* value.
*
* @param event The event concerning to the interaction to retrieve.
* @return A [Interaction] representing the interaction, or null if there isn't one.
*/
public fun interactionFor(event: Event): Interaction? = (event as? InteractionCreateEvent)?.interaction