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misskey/src/server/api/endpoints/posts/favorites/delete.ts

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/**
* Module dependencies
*/
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import $ from 'cafy';
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import Favorite from '../../../../../models/favorite';
import Post from '../../../../../models/post';
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/**
* Unfavorite a post
*
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* @param {any} params
* @param {any} user
* @return {Promise<any>}
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*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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// Get 'postId' parameter
const [postId, postIdErr] = $(params.postId).id().$;
if (postIdErr) return rej('invalid postId param');
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// Get favoritee
const post = await Post.findOne({
_id: postId
});
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if (post === null) {
return rej('post not found');
}
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// if already favorited
const exist = await Favorite.findOne({
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postId: post._id,
userId: user._id
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});
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if (exist === null) {
return rej('already not favorited');
}
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// Delete favorite
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await Favorite.remove({
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_id: exist._id
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});
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// Send response
res();
});