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add like to post in express node js mongodb

Chat Gpt answered on August 2, 2023 Popularity 1/10 Helpfulness 1/10

answer add like to post in express node js mongodb

add like to post in express node js mongodb

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const likeBlog = asyncHandler(async (req, res) => {
    const { blogId } = req.body;
    validateMogodbId(id);
    try {
        // Find the blog which you want to be liked
        const blog = await Blog.findById(id);

        // Find the logged-in user's ID
        const loginUserId = req?.user?._id;

        // Check if the user has already liked the blog
        const isLiked = blog?.isLiked;

        // Check if the user has already disliked the blog
        const alreadyDisliked = blog?.disLikes?.find(
            { userId: userId?.toString() === loginUserId.toString() }
        );

        if (alreadyDisliked) {
            const blog = await Blog.findByIdAndUpdate(blogId, {
                $pull: { dislikes: loginUserId },
                isDisLiked: false
            }, { new: true });
            res.json(blog);
        }

        if (isLiked) {
            const blog = await Blog.findByIdAndUpdate(blogId, {
                $pull: { likes: loginUserId },
                isLiked: false
            }, { new: true });
            res.json(blog);
        } else {
            const blog = await Blog.findByIdAndUpdate(blogId, {
                $push: { dislikes: loginUserId },
                isLiked: true
            }, { new: true });
            res.json(blog);
        }
    } catch (err) {
        throw new Error(err);
    }
});

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: add express javascript mongodb post

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Contributed on Aug 02 2023

Chat Gpt

0 Answers Avg Quality 2/10

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add like to post in express node js mongodb

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