Sharkey/src/server/api/endpoints/notes/reactions.ts

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import $ from 'cafy';
import ID, { transform } from '../../../../misc/cafy-id';
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import Note from '../../../../models/note';
import Reaction, { pack } from '../../../../models/note-reaction';
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import define from '../../define';
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export const meta = {
desc: {
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'ja-JP': '指定した投稿のリアクション一覧を取得します。',
'en-US': 'Show reactions of a note.'
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},
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requireCredential: false,
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params: {
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noteId: {
validator: $.type(ID),
transform: transform,
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desc: {
'ja-JP': '対象の投稿のID',
'en-US': 'The ID of the target note'
}
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},
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limit: {
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validator: $.optional.num.range(1, 100),
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default: 10
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},
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offset: {
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validator: $.optional.num,
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default: 0
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},
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sinceId: {
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validator: $.optional.type(ID),
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transform: transform,
},
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untilId: {
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validator: $.optional.type(ID),
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transform: transform,
},
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}
};
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export default define(meta, (ps, user) => new Promise(async (res, rej) => {
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// Check if both of sinceId and untilId is specified
if (ps.sinceId && ps.untilId) {
return rej('cannot set sinceId and untilId');
}
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// Lookup note
const note = await Note.findOne({
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_id: ps.noteId
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});
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if (note === null) {
return rej('note not found');
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}
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const query = {
noteId: note._id
} as any;
const sort = {
_id: -1
};
if (ps.sinceId) {
sort._id = 1;
query._id = {
$gt: ps.sinceId
};
} else if (ps.untilId) {
query._id = {
$lt: ps.untilId
};
}
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const reactions = await Reaction
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.find(query, {
limit: ps.limit,
skip: ps.offset,
sort: sort
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});
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// Serialize
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res(await Promise.all(reactions.map(reaction => pack(reaction, user))));
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}));