Mongoose rejoigne plusieurs collections
var mongoose = require('mongoose');
var userCollection = require('./user');//import user model file
var resources = {
nick_name: "$nick_name",
email: "$email"};
userCollection.aggregate([{
$group: resources
}, {
$lookup: {
from: "Comments", // collection to join
localField: "_id",//field from the input documents
foreignField: "user_id",//field from the documents of the "from" collection
as: "comments"// output array field
}
}, {
$lookup: {
from: "Post", // from collection name
localField: "_id",
foreignField: "user_id",
as: "posts"
}
}],function (error, data) {
return res.json(data);
//handle error case also
});
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