MongoDB $push nested arrays





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I'm working on a food blog. I would want to achieve the following structure for the food recipes in my database.



recipes : [
{mainCategoryRecipe1: {...}},
{mainCategoryRecipe2: {...}},
subcategory1: [
{recipe1: {...}}
]
]


I'm posting a form with select field indicating the correct category and subcategory (if needed). I can access these in the Node.js backend.



I can't figure out how to $push in to the database so the data follows the correct structure. I'm using MongoJS. My attempt on this resolves with this structure instead:



recipes : [
{subcategory1 : recipe1[...]},
{subcategory1 : recipe2[...]}
]


Here is my code:



db.collection.findAndModify({
query:{_id: mongojs.ObjectId(userId)},
update: { $push: {
recipes : {
[recipe.subcategory] : recipe
}
}},
new: true
}, function(err, doc, lastErrorObject){
if(err){
throw (err)
} else {
//console.log(recipe)
res.render('/success');
}
});


Thank you in advance!










share|improve this question























  • Possible duplicate of Mongodb $push in nested array

    – IftekharDani
    Nov 27 '18 at 12:49


















0















I'm working on a food blog. I would want to achieve the following structure for the food recipes in my database.



recipes : [
{mainCategoryRecipe1: {...}},
{mainCategoryRecipe2: {...}},
subcategory1: [
{recipe1: {...}}
]
]


I'm posting a form with select field indicating the correct category and subcategory (if needed). I can access these in the Node.js backend.



I can't figure out how to $push in to the database so the data follows the correct structure. I'm using MongoJS. My attempt on this resolves with this structure instead:



recipes : [
{subcategory1 : recipe1[...]},
{subcategory1 : recipe2[...]}
]


Here is my code:



db.collection.findAndModify({
query:{_id: mongojs.ObjectId(userId)},
update: { $push: {
recipes : {
[recipe.subcategory] : recipe
}
}},
new: true
}, function(err, doc, lastErrorObject){
if(err){
throw (err)
} else {
//console.log(recipe)
res.render('/success');
}
});


Thank you in advance!










share|improve this question























  • Possible duplicate of Mongodb $push in nested array

    – IftekharDani
    Nov 27 '18 at 12:49














0












0








0








I'm working on a food blog. I would want to achieve the following structure for the food recipes in my database.



recipes : [
{mainCategoryRecipe1: {...}},
{mainCategoryRecipe2: {...}},
subcategory1: [
{recipe1: {...}}
]
]


I'm posting a form with select field indicating the correct category and subcategory (if needed). I can access these in the Node.js backend.



I can't figure out how to $push in to the database so the data follows the correct structure. I'm using MongoJS. My attempt on this resolves with this structure instead:



recipes : [
{subcategory1 : recipe1[...]},
{subcategory1 : recipe2[...]}
]


Here is my code:



db.collection.findAndModify({
query:{_id: mongojs.ObjectId(userId)},
update: { $push: {
recipes : {
[recipe.subcategory] : recipe
}
}},
new: true
}, function(err, doc, lastErrorObject){
if(err){
throw (err)
} else {
//console.log(recipe)
res.render('/success');
}
});


Thank you in advance!










share|improve this question














I'm working on a food blog. I would want to achieve the following structure for the food recipes in my database.



recipes : [
{mainCategoryRecipe1: {...}},
{mainCategoryRecipe2: {...}},
subcategory1: [
{recipe1: {...}}
]
]


I'm posting a form with select field indicating the correct category and subcategory (if needed). I can access these in the Node.js backend.



I can't figure out how to $push in to the database so the data follows the correct structure. I'm using MongoJS. My attempt on this resolves with this structure instead:



recipes : [
{subcategory1 : recipe1[...]},
{subcategory1 : recipe2[...]}
]


Here is my code:



db.collection.findAndModify({
query:{_id: mongojs.ObjectId(userId)},
update: { $push: {
recipes : {
[recipe.subcategory] : recipe
}
}},
new: true
}, function(err, doc, lastErrorObject){
if(err){
throw (err)
} else {
//console.log(recipe)
res.render('/success');
}
});


Thank you in advance!







arrays node.js mongodb express mongojs






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asked Nov 26 '18 at 16:40









NuuskisNuuskis

312




312













  • Possible duplicate of Mongodb $push in nested array

    – IftekharDani
    Nov 27 '18 at 12:49



















  • Possible duplicate of Mongodb $push in nested array

    – IftekharDani
    Nov 27 '18 at 12:49

















Possible duplicate of Mongodb $push in nested array

– IftekharDani
Nov 27 '18 at 12:49





Possible duplicate of Mongodb $push in nested array

– IftekharDani
Nov 27 '18 at 12:49












1 Answer
1






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oldest

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0














Try with the code belove, If you have any errors please comment them.



db.collection.findOneAndUpdate({
{_id: new ObjectID(userId)},
{ $push: {
recipes : {
[recipe.subcategory] : recipe
}
}},
returnOriginal: false
}, function(err, doc, lastErrorObject){
if(err){
throw (err)
} else {
//console.log(recipe)
res.render('/success');
}
});





share|improve this answer
























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    1 Answer
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    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    0














    Try with the code belove, If you have any errors please comment them.



    db.collection.findOneAndUpdate({
    {_id: new ObjectID(userId)},
    { $push: {
    recipes : {
    [recipe.subcategory] : recipe
    }
    }},
    returnOriginal: false
    }, function(err, doc, lastErrorObject){
    if(err){
    throw (err)
    } else {
    //console.log(recipe)
    res.render('/success');
    }
    });





    share|improve this answer




























      0














      Try with the code belove, If you have any errors please comment them.



      db.collection.findOneAndUpdate({
      {_id: new ObjectID(userId)},
      { $push: {
      recipes : {
      [recipe.subcategory] : recipe
      }
      }},
      returnOriginal: false
      }, function(err, doc, lastErrorObject){
      if(err){
      throw (err)
      } else {
      //console.log(recipe)
      res.render('/success');
      }
      });





      share|improve this answer


























        0












        0








        0







        Try with the code belove, If you have any errors please comment them.



        db.collection.findOneAndUpdate({
        {_id: new ObjectID(userId)},
        { $push: {
        recipes : {
        [recipe.subcategory] : recipe
        }
        }},
        returnOriginal: false
        }, function(err, doc, lastErrorObject){
        if(err){
        throw (err)
        } else {
        //console.log(recipe)
        res.render('/success');
        }
        });





        share|improve this answer













        Try with the code belove, If you have any errors please comment them.



        db.collection.findOneAndUpdate({
        {_id: new ObjectID(userId)},
        { $push: {
        recipes : {
        [recipe.subcategory] : recipe
        }
        }},
        returnOriginal: false
        }, function(err, doc, lastErrorObject){
        if(err){
        throw (err)
        } else {
        //console.log(recipe)
        res.render('/success');
        }
        });






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 27 '18 at 12:39









        Nuriddin KudratovNuriddin Kudratov

        10517




        10517
































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