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import { route } from "@fosscord/api";
import {
Channel,
emitEvent,
Emoji,
getPermission,
HTTPError,
Member,
Message,
MessageReactionAddEvent,
MessageReactionRemoveAllEvent,
MessageReactionRemoveEmojiEvent,
MessageReactionRemoveEvent,
PartialEmoji,
PublicUserProjection,
User
} from "@fosscord/util";
import { Request, Response, Router } from "express";
import { In } from "typeorm";
const router = Router();
// TODO: check if emoji is really an unicode emoji or a prperly encoded external emoji
function getEmoji(emoji: string): PartialEmoji {
emoji = decodeURIComponent(emoji);
const parts = emoji.includes(":") && emoji.split(":");
if (parts)
return {
name: parts[0],
id: parts[1]
};
return {
id: undefined,
name: emoji
};
}
router.delete("/", route({ permission: "MANAGE_MESSAGES" }), async (req: Request, res: Response) => {
const { message_id, channel_id } = req.params;
const channel = await Channel.findOneOrFail({ where: { id: channel_id } });
await Message.update({ id: message_id, channel_id }, { reactions: [] });
await emitEvent({
event: "MESSAGE_REACTION_REMOVE_ALL",
channel_id,
data: {
channel_id,
message_id,
guild_id: channel.guild_id
}
} as MessageReactionRemoveAllEvent);
res.sendStatus(204);
});
router.delete("/:emoji", route({ permission: "MANAGE_MESSAGES" }), async (req: Request, res: Response) => {
const { message_id, channel_id } = req.params;
const emoji = getEmoji(req.params.emoji);
const message = await Message.findOneOrFail({ where: { id: message_id, channel_id } });
const already_added = message.reactions.find((x) => (x.emoji.id === emoji.id && emoji.id) || x.emoji.name === emoji.name);
if (!already_added) throw new HTTPError("Reaction not found", 404);
message.reactions.remove(already_added);
await Promise.all([
message.save(),
emitEvent({
event: "MESSAGE_REACTION_REMOVE_EMOJI",
channel_id,
data: {
channel_id,
message_id,
guild_id: message.guild_id,
emoji
}
} as MessageReactionRemoveEmojiEvent)
]);
res.sendStatus(204);
});
router.get("/:emoji", route({ permission: "VIEW_CHANNEL" }), async (req: Request, res: Response) => {
const { message_id, channel_id } = req.params;
const emoji = getEmoji(req.params.emoji);
const message = await Message.findOneOrFail({ where: { id: message_id, channel_id } });
const reaction = message.reactions.find((x) => (x.emoji.id === emoji.id && emoji.id) || x.emoji.name === emoji.name);
if (!reaction) throw new HTTPError("Reaction not found", 404);
const users = await User.find({
where: {
id: In(reaction.user_ids)
},
select: PublicUserProjection
});
res.json(users);
});
router.put(
"/:emoji/:user_id",
route({ permission: "READ_MESSAGE_HISTORY", right: "SELF_ADD_REACTIONS" }),
async (req: Request, res: Response) => {
const { message_id, channel_id, user_id } = req.params;
if (user_id !== "@me") throw new HTTPError("Invalid user");
const emoji = getEmoji(req.params.emoji);
const channel = await Channel.findOneOrFail({ where: { id: channel_id } });
const message = await Message.findOneOrFail({ where: { id: message_id, channel_id } });
const already_added = message.reactions.find((x) => (x.emoji.id === emoji.id && emoji.id) || x.emoji.name === emoji.name);
if (!already_added) req.permission!.hasThrow("ADD_REACTIONS");
if (emoji.id) {
const external_emoji = await Emoji.findOneOrFail({ where: { id: emoji.id } });
if (!already_added) req.permission!.hasThrow("USE_EXTERNAL_EMOJIS");
emoji.animated = external_emoji.animated;
emoji.name = external_emoji.name;
}
if (already_added) {
if (already_added.user_ids.includes(req.user_id)) return res.sendStatus(204); // Do not throw an error ¯\_(ツ)_/¯ as discord also doesn't throw any error
already_added.count++;
} else message.reactions.push({ count: 1, emoji, user_ids: [req.user_id] });
await message.save();
const member = channel.guild_id && (await Member.findOneOrFail({ where: { id: req.user_id } }));
await emitEvent({
event: "MESSAGE_REACTION_ADD",
channel_id,
data: {
user_id: req.user_id,
channel_id,
message_id,
guild_id: channel.guild_id,
emoji,
member
}
} as MessageReactionAddEvent);
res.sendStatus(204);
}
);
router.delete("/:emoji/:user_id", route({}), async (req: Request, res: Response) => {
let { message_id, channel_id, user_id } = req.params;
const emoji = getEmoji(req.params.emoji);
const channel = await Channel.findOneOrFail({ where: { id: channel_id } });
const message = await Message.findOneOrFail({ where: { id: message_id, channel_id } });
if (user_id === "@me") user_id = req.user_id;
else {
const permissions = await getPermission(req.user_id, undefined, channel_id);
permissions.hasThrow("MANAGE_MESSAGES");
}
const already_added = message.reactions.find((x) => (x.emoji.id === emoji.id && emoji.id) || x.emoji.name === emoji.name);
if (!already_added || !already_added.user_ids.includes(user_id)) throw new HTTPError("Reaction not found", 404);
already_added.count--;
if (already_added.count <= 0) message.reactions.remove(already_added);
await message.save();
await emitEvent({
event: "MESSAGE_REACTION_REMOVE",
channel_id,
data: {
user_id: req.user_id,
channel_id,
message_id,
guild_id: channel.guild_id,
emoji
}
} as MessageReactionRemoveEvent);
res.sendStatus(204);
});
export default router;
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