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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import { ENDPOINT, Interaction, PartialMessage } from "../types.ts"; | ||
|
|
||
| const editSentResponse = ( | ||
| { applicationId, interactionToken }: { | ||
| applicationId: string; | ||
| interactionToken: string; | ||
| }, | ||
| ) => | ||
| (content: string) => | ||
| fetch( | ||
| [ | ||
| ENDPOINT, | ||
| "webhooks", | ||
| applicationId, | ||
| interactionToken, | ||
| "messages", | ||
| "@original", | ||
| ].join("/"), | ||
| { | ||
| method: "PATCH", | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| }, | ||
| body: JSON.stringify({ content }), | ||
| }, | ||
| ); | ||
|
|
||
| const USER_AGENT = | ||
| "pindome-chan Bot (https://github.com/approvers/pindome-chan)"; | ||
|
|
||
| export interface WebhookOptions { | ||
| applicationId: string; | ||
| webhookId: string; | ||
| webhookToken: string; | ||
| } | ||
|
|
||
| const sendWebhook = ( | ||
| message: FormData, | ||
| { webhookId, webhookToken }: WebhookOptions, | ||
| ): Promise<Response> => | ||
| fetch( | ||
| [ENDPOINT, "webhooks", webhookId, webhookToken].join("/"), | ||
| { | ||
| headers: { | ||
| "User-Agent": USER_AGENT, | ||
| }, | ||
| method: "POST", | ||
| body: message, | ||
| }, | ||
| ); | ||
|
|
||
| const cutContent = (content: string): string => { | ||
| const spoilerMarks = []; | ||
| const spoilerSpans: [number, number][] = []; | ||
| const chars = [...content]; | ||
| let isInCodeBlock = false; | ||
| for (let i = 0; i < chars.length - 1; ++i) { | ||
| if (chars[i] === "|" && chars[i + 1] === "|" && !isInCodeBlock) { | ||
| const start = spoilerMarks.pop(); | ||
| if (start !== undefined) { | ||
| spoilerSpans.push([start, i + 2]); | ||
| } else { | ||
| spoilerMarks.push(i); | ||
| } | ||
| ++i; | ||
| } | ||
| if ( | ||
| chars[i] === "`" && chars[i + 1] === "`" && chars[i + 2] === "`" && | ||
| chars[i + 3] === "\n" | ||
| ) { | ||
| isInCodeBlock = !isInCodeBlock; | ||
| if (isInCodeBlock) { | ||
| spoilerMarks.pop(); | ||
| } | ||
| i += 3; | ||
| } | ||
| } | ||
|
|
||
| const PREVIEW_LENGTH = 20; | ||
| const isCuttingSpoiler = spoilerSpans.some(([start, end]) => | ||
| start <= PREVIEW_LENGTH && PREVIEW_LENGTH < end | ||
| ); | ||
|
|
||
| let cut = ""; | ||
| cut += content.substring(0, PREVIEW_LENGTH); | ||
| if (isCuttingSpoiler) { | ||
| cut += "||"; | ||
| } | ||
| if (PREVIEW_LENGTH <= content.length) { | ||
| cut += "..."; | ||
| } | ||
| return cut; | ||
| }; | ||
|
|
||
| export async function pinMessage( | ||
| message: PartialMessage, | ||
| interaction: Interaction, | ||
| options: WebhookOptions, | ||
| ) { | ||
| const editSent = editSentResponse({ | ||
| applicationId: options.applicationId, | ||
| interactionToken: interaction.token, | ||
| }); | ||
|
|
||
| const form = new FormData(); | ||
| form.append( | ||
| "payload_json", | ||
| JSON.stringify({ | ||
| ...message, | ||
| content: `${message.content}\nby ${message.author.username}`.trim(), | ||
| allowed_mentions: { | ||
| parse: [], | ||
| }, | ||
| message_reference: { | ||
| message_id: message.id, | ||
| }, | ||
| attachments: message.attachments.map((attachment, index) => ({ | ||
| id: index, | ||
| filename: attachment.filename, | ||
| })), | ||
| }), | ||
| ); | ||
| for (let index = 0; index < message.attachments.length; ++index) { | ||
| const attachment = message.attachments[index]; | ||
| const res = await fetch(attachment.url); | ||
| const blob = await res.blob(); | ||
|
|
||
| const UPLOAD_SIZE_LIMIT = 8 * 1024 * 1024; | ||
| if (UPLOAD_SIZE_LIMIT < blob.size) { | ||
| await editSent( | ||
| "アップロード上限を超えているから、ピン留めできないみたいです…", | ||
| ); | ||
| return; | ||
| } | ||
| form.append(`files[${index}]`, blob, attachment.filename); | ||
| } | ||
|
|
||
| let previewContent = ""; | ||
| if (message.content.length !== 0) { | ||
| previewContent += cutContent(message.content); | ||
| } | ||
|
|
||
| const res = await sendWebhook(form, options); | ||
|
|
||
| if (!res || !res.ok) { | ||
| console.error(await res?.text()); | ||
| const followupRes = await editSent("ピン留めに失敗しちゃった……"); | ||
| console.log(await followupRes.text()); | ||
| return; | ||
| } | ||
| const followupRes = await editSent(`ピン留めできたよ！\n${previewContent}`); | ||
| console.log(await followupRes.text()); | ||
| } |