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utils: add messageLink() and isValidEmbed()

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This commit is contained in:
Dragory 2019-11-27 22:02:11 +02:00
parent 00e047f701
commit 969e06e00e
1 changed files with 91 additions and 1 deletions
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92
backend/src/utils.ts
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@ -9,6 +9,7 @@ import {
GuildAuditLogEntry,
GuildChannel,
Member,
Message,
MessageContent,
TextableChannel,
TextChannel,
@ -27,6 +28,7 @@ import https from "https";
import tmp from "tmp";
import { logger, waitForReaction } from "knub";
import { SavedMessage } from "./data/entities/SavedMessage";
import { decodeAndValidateStrict, StrictValidationError } from "./validatorUtils";
const delayStringMultipliers = {
w: 1000 * 60 * 60 * 24 * 7,
@ -42,10 +44,74 @@ export const MINUTES = 60 * SECONDS;
export const HOURS = 60 * MINUTES;
export const DAYS = 24 * HOURS;
export function tNullable<T extends t.Type<any, any, unknown>>(type: T) {
export function tNullable<T extends t.Type<any, any>>(type: T) {
return t.union([type, t.undefined, t.null], `Nullable<${type.name}>`);
}
/**
* Mirrors EmbedOptions from Eris
*/
export const tEmbed = t.type({
title: tNullable(t.string),
description: tNullable(t.string),
url: tNullable(t.string),
timestamp: tNullable(t.string),
color: tNullable(t.number),
footer: tNullable(
t.type({
text: t.string,
icon_url: tNullable(t.string),
proxy_icon_url: tNullable(t.string),
}),
),
image: tNullable(
t.type({
url: tNullable(t.string),
proxy_url: tNullable(t.string),
width: tNullable(t.number),
height: tNullable(t.number),
}),
),
thumbnail: tNullable(
t.type({
url: tNullable(t.string),
proxy_url: tNullable(t.string),
width: tNullable(t.number),
height: tNullable(t.number),
}),
),
video: tNullable(
t.type({
url: tNullable(t.string),
width: tNullable(t.number),
height: tNullable(t.number),
}),
),
provider: tNullable(
t.type({
name: t.string,
url: tNullable(t.string),
}),
),
fields: tNullable(
t.array(
t.type({
name: tNullable(t.string),
value: tNullable(t.string),
inline: tNullable(t.boolean),
}),
),
),
author: tNullable(
t.type({
name: t.string,
url: tNullable(t.string),
width: tNullable(t.number),
height: tNullable(t.number),
}),
),
});
export function dropPropertiesByName(obj, propName) {
if (obj.hasOwnProperty(propName)) delete obj[propName];
for (const value of Object.values(obj)) {
@ -805,3 +871,27 @@ export function verboseUserName(user: User | UnknownUser): string {
export function verboseChannelMention(channel: GuildChannel): string {
return `<#${channel.id}> (**#${channel.name}**, \`${channel.id}\`)`;
}
export function messageLink(message: Message): string;
export function messageLink(guildIdOrMessage: string | Message | null, channelId?: string, messageId?: string): string {
let guildId;
if (guildIdOrMessage == null) {
// Full arguments without a guild id -> DM/Group chat
guildId = "@me";
} else if (guildIdOrMessage instanceof Message) {
// Message object as the only argument
guildId = (guildIdOrMessage.channel as GuildChannel).guild?.id ?? "@me";
channelId = guildIdOrMessage.channel.id;
messageId = guildIdOrMessage.id;
} else {
// Full arguments with all IDs
guildId = guildIdOrMessage;
}
return `https://discordapp.com/channels/${guildId}/${channelId}/${messageId}`;
}
export function isValidEmbed(embed: any): boolean {
const result = decodeAndValidateStrict(tEmbed, embed);
return !(result instanceof StrictValidationError);
}