Отфильтруйте строку запроса с оператором сравнения
//if need to find ratings greater then 3
//The query string may be:
//127.0.0.1:8000/api/v1/posts?ratings[gt]=3
//if we check the req.query
//{ ratings: { gt: '3' } }
exports.getPosts = async (req, res) => {
try {
const queryObj = { ...req.query };
let queryStr = JSON.stringify(queryObj)
queryStr = queryStr.replace(/\b(gt|gte|lt|lte|eq|ne)\b/g, match => `$${match}`);
// queryStr : {"ratings":{"$gt":"3"}}
const posts = await Post.find(JSON.parse(queryStr));
res.json({
status: 'success',
data: {
posts
}
})
} catch (err) {
res.status(401).json({
status: 'error',
message: 'Error in post finding',
error: err
})
}}
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