How to define object in array in Mongoose schema correctly with 2d geo index

Question

I m currently having problems in creating a schema for the document below  The response from the server always returns the  trk  field values as  Object   Somehow I have no idea how this should work  as I tried at least all approaches which made sense to me  -   If this helps  my Mongoose version is 3 6 20 and MongoDB 2 4 7 And before I forget  it would be nice to also set it as Index  2d   Original data           id   ObjectId  51ec4ac3eb7f7c701b000000         gpx              metadata                  desc    N  rburgring VLN-Variante                country    de                isActive   true                 trk                    lat   50 3299594           lng   6 9393006                       lat   50 3295046           lng   6 9390688                       lat   50 3293714           lng   6 9389939                       lat   50 3293284           lng   6 9389634                  Mongoose Schema   var TrackSchema   Schema                id  Schema ObjectId              gpx                    metadata                        desc  String                      country  String                      isActive  Boolean                                    trk    lat Number  lng Number                              collection   tracks        The response from the Network tab in Chrome always looks like this  that s only the trk-part which is wrong        trk            Object            Object            Object            Object            Object            Object     I already tried different Schema definitions for  trk     trk  Schema Types Mixed  trk   Schema Types Mixed   trk     type  Number   index   2d       Hope you can help me  -

User · Accepted Answer

You can declare trk by the following ways : - either

trk : [{
    lat : String,
    lng : String
     }]

or

trk : { type : Array , "default" : [] }

In the second case during insertion make the object and push it into the array like

db.update({'Searching criteria goes here'},
{
 $push : {
    trk :  {
             "lat": 50.3293714,
             "lng": 6.9389939
           } //inserted data is the object to be inserted 
  }
});

or you can set the Array of object by

db.update ({'seraching criteria goes here ' },
{
 $set : {
          trk : [ {
                     "lat": 50.3293714,
                     "lng": 6.9389939
                  },
                  {
                     "lat": 50.3293284,
                     "lng": 6.9389634
                  }
               ]//'inserted Array containing the list of object'
      }
});

User · Answer

I had a similar issue with mongoose     fields           object Object           object Object           object Object           object Object         In fact  I was using  type  as a property name in my schema     fields                name  String        type            type  String                registrationEnabled  Boolean        checkinEnabled  Boolean             To avoid that behavior  you have to change the parameter to     fields                name  String        type            type    type  String                  registrationEnabled  Boolean        checkinEnabled  Boolean

User · Answer

Thanks for the replies   I tried the first approach  but nothing changed  Then  I tried to log the results  I just drilled down level by level  until I finally got to where the data was being displayed   After a while I found the problem  When I was sending the response  I was converting it to a string via  toString     I fixed that and now it works brilliantly  Sorry for the false alarm

User · Answer

The problem I need to solve is to store contracts containing a few fields  address  book  num of days  borrower addr  blk data   blk data is a transaction list  block number and transaction address   This question and answer helped me  I would like to share my code as below  Hope this helps         Schema definition  See blk data       var ContractSchema   new Schema                address   type  String  required  true  max  100      contract address            book id   type  String  required  true  max  100      book id in the book collection         book    type  Schema ObjectId  ref   clc books   required  true       Reference to the associated book          num of days   type  Number  required  true  min  1           borrower addr   type  String  required  true  max  100              status   type  String  enum    available    Created    Locked    Inactive    default  Created             blk data                 tx addr   type  String  max  100      to do  change to a list             block number   type  String  max  100      to do  change to a list                             Create a record for the collection in the MongoDB  See blk data          Post submit a smart contract proposal to borrowing a specific book  exports ctr contract propose post             Validate fields     body  book id    book id must not be empty    isLength   min  1    trim        body  req addr    req addr must not be empty    isLength   min  1    trim        body  new contract addr    contract addr must not be empty    isLength   min  1    trim        body  tx addr    tx addr must not be empty    isLength   min  1    trim        body  block number    block number must not be empty    isLength   min  1    trim        body  num of days    num of days must not be empty    isLength   min  1    trim            Sanitize fields      sanitizeBody      escape           Process request after validation and sanitization       req  res  next    gt                Extract the validation errors from a request          const errors   validationResult req           if   errors isEmpty                     There are errors  Render form again with sanitized values error messages              res status 400  send   errors  errors array                   return                        Create a Book object with escaped trimmed data and old id          var book fields                                  id  req body book id     This is required  or a new ID will be assigned                  cur contract  req body new contract addr                  status   await approval                          async parallel                 call the function get book model             books  function callback                    Book findByIdAndUpdate req body book id  book fields      exec callback                             function error  results                if  error                    res status 400  send   errors  errors array                       return                             if  results books isNew                       res render  pg error                            title   Proposing a smart contract to borrow the book                          c  errors array                                          res status 400  send   errors  errors array                       return                             var contract   new Contract                                        address  req body new contract addr                      book  req body book id                      num of days  req body num of days                      borrower addr  req body req addr                                   var blk data                         tx addr  req body tx addr                      block number  req body block number                                contract blk data push blk data                   Data from form is valid  Save book              contract save function  err                    if  err    return next err                        Successful - redirect to new book record                  resObj                          res   contract url                                    res status 200  send JSON stringify resObj                       res redirect                                                    Update a record  See blk data          Post lender accept borrow proposal  exports ctr contract propose accept post             Validate fields     body  book id    book id must not be empty    isLength   min  1    trim        body  contract id    book id must not be empty    isLength   min  1    trim        body  tx addr    tx addr must not be empty    isLength   min  1    trim        body  block number    block number must not be empty    isLength   min  1    trim            Sanitize fields      sanitizeBody      escape           Process request after validation and sanitization       req  res  next    gt                Extract the validation errors from a request          const errors   validationResult req           if   errors isEmpty                     There are errors  Render form again with sanitized values error messages              res status 400  send   errors  errors array                   return                        Create a Book object with escaped trimmed data         var book fields                                  id  req body book id     This is required  or a new ID will be assigned                  status   on loan                             Create a contract object with escaped trimmed data         var contract fields                  push                    blk data                        tx addr  req body tx addr                      block number  req body block number                                                     async parallel                 call the function get book model             book  function callback                    Book findByIdAndUpdate req body book id  book fields      exec callback                              contract  function callback                    Contract findByIdAndUpdate req body contract id  contract fields      exec callback                             function error  results                if  error                    res status 400  send   errors  errors array                       return                             if   results book isNew      results contract isNew                     res status 400  send   errors  errors array                       return                             var resObj                      res   results contract url                            res status 200  send JSON stringify resObj

[node.js] How to define object in array in Mongoose schema correctly with 2d geo index

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