harmony/src/gateway/handlers/messageReactionAdd.ts

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import { Gateway, GatewayEventHandler } from '../index.ts'
import { MessageReactionAddPayload } from '../../types/gateway.ts'
import { TextChannel } from '../../structures/textChannel.ts'
import { MessageReaction } from '../../structures/messageReaction.ts'
import { UserPayload } from '../../types/user.ts'
export const messageReactionAdd: GatewayEventHandler = async (
gateway: Gateway,
d: MessageReactionAddPayload
) => {
let channel = await gateway.client.channels.get<TextChannel>(d.channel_id)
if (channel === undefined)
channel = await gateway.client.channels.fetch<TextChannel>(d.channel_id)
if (channel === undefined) return
let message = await channel.messages.get(d.message_id)
if (message === undefined) {
if (gateway.client.fetchUncachedReactions === true) {
message = await channel.messages.fetch(d.message_id)
if (message === undefined) return
} else return
}
let user = await gateway.client.users.get(d.user_id)
if (user === undefined) {
if (gateway.client.fetchUncachedReactions === true) {
user = await gateway.client.users.fetch(d.user_id)
if (user === undefined) return
} else return
}
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const emojiID = (d.emoji.id !== null ? d.emoji.id : d.emoji.name) as string
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let reaction = await message.reactions.get(emojiID)
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if (reaction === undefined) {
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await message.reactions.set(emojiID, {
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count: 1,
emoji: d.emoji,
me: d.user_id === gateway.client.user?.id
})
reaction = ((await message.reactions.get(
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emojiID
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)) as unknown) as MessageReaction
}
const rawUser = ((await gateway.client.users.get(
d.user_id
)) as unknown) as UserPayload
reaction.users.set(rawUser.id, rawUser)
gateway.client.emit('messageReactionAdd', reaction, user)
}