wip

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

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