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D Scale Question

Mongoose private set field

How do I update/upsert a document in Mongoose?What is the “__v” field in MongooseNodeJs, Mocha and Mongoosenpm WARN package.json: No repository fieldcan't find _id attribute in the array of mongodbMongoose sort by populated fieldMongoDB/ Mongoose many to many relationship - user, project and roleEnforcing the default value in Mongoose schemaMongoose upsert without deleting existing fieldsHow to manually set createdAt timestamp in mongoDB using mongoose?

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1

0

Let's say I have this schema:

const UserSchema = new mongoose.Schema(
 name: 
 type: String,
 required: true
 ,
 createdAt: 
 type: Date,
 default: Date.now
 
);

mongoose.model('User', UserSchema);

I want to avoid someone to accidentally do this:

const izzy = User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" );

I want to make sure createdAt is ignored, so if this is a new object being created (like my sample code) the default value would be used, but if it was an update, createdAt should be kept with its original value. So I'd like to somehow configure createdAt not to be explicitly settable.

Is this possible?

node.js mongoose

share|improve this question

edited Mar 28 at 5:27

Alisson

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  According to this issue, there is no built-in option to do it, but you can probably set an on-update pre hook to return the existing value of that field.
  
  – TGrif
  Mar 28 at 8:55
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TGrif I'll explore that solution, thanks for sharing it.
  
  – Alisson
  Mar 28 at 15:41
  

  
  
  
  

add a comment | 

1

0

Let's say I have this schema:

const UserSchema = new mongoose.Schema(
 name: 
 type: String,
 required: true
 ,
 createdAt: 
 type: Date,
 default: Date.now
 
);

mongoose.model('User', UserSchema);

I want to avoid someone to accidentally do this:

const izzy = User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" );

I want to make sure createdAt is ignored, so if this is a new object being created (like my sample code) the default value would be used, but if it was an update, createdAt should be kept with its original value. So I'd like to somehow configure createdAt not to be explicitly settable.

Is this possible?

node.js mongoose

share|improve this question

edited Mar 28 at 5:27

Alisson

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  According to this issue, there is no built-in option to do it, but you can probably set an on-update pre hook to return the existing value of that field.
  
  – TGrif
  Mar 28 at 8:55
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TGrif I'll explore that solution, thanks for sharing it.
  
  – Alisson
  Mar 28 at 15:41
  

  
  
  
  

add a comment | 

Let's say I have this schema:

const UserSchema = new mongoose.Schema(
 name: 
 type: String,
 required: true
 ,
 createdAt: 
 type: Date,
 default: Date.now
 
);

mongoose.model('User', UserSchema);

I want to avoid someone to accidentally do this:

const izzy = User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" );

I want to make sure createdAt is ignored, so if this is a new object being created (like my sample code) the default value would be used, but if it was an update, createdAt should be kept with its original value. So I'd like to somehow configure createdAt not to be explicitly settable.

Is this possible?

node.js mongoose

share|improve this question

edited Mar 28 at 5:27

Alisson

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

const UserSchema = new mongoose.Schema(
 name: 
 type: String,
 required: true
 ,
 createdAt: 
 type: Date,
 default: Date.now
 
);

mongoose.model('User', UserSchema);

const izzy = User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" );

share|improve this question

edited Mar 28 at 5:27

Alisson

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

share|improve this question

edited Mar 28 at 5:27

Alisson

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

asked Mar 28 at 1:22

AlissonAlisson

4,24922 gold badges2424 silver badges4848 bronze badges

1 Answer
1

active

oldest

votes

0

Usually when you want to use default value, you don't pass createdAt value.But since you are saying "accidentally" you can override the value passes using.

User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" , (err,user)=>
 if(err)
 //handle
 
 user.createdAt = Date.now;
 user.save();
);

share|improve this answer

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This is good, but only works when creating new objects. If it was an update, createdAt should keep its original value and never be overriden. My fault for not explaining in my question, I'll edit it.
  
  – Alisson
  Mar 28 at 4:43
  

  
  
  
  

add a comment | 

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0

Usually when you want to use default value, you don't pass createdAt value.But since you are saying "accidentally" you can override the value passes using.

User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" , (err,user)=>
 if(err)
 //handle
 
 user.createdAt = Date.now;
 user.save();
);

share|improve this answer

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This is good, but only works when creating new objects. If it was an update, createdAt should keep its original value and never be overriden. My fault for not explaining in my question, I'll edit it.
  
  – Alisson
  Mar 28 at 4:43
  

  
  
  
  

add a comment | 

0

Usually when you want to use default value, you don't pass createdAt value.But since you are saying "accidentally" you can override the value passes using.

User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" , (err,user)=>
 if(err)
 //handle
 
 user.createdAt = Date.now;
 user.save();
);

share|improve this answer

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This is good, but only works when creating new objects. If it was an update, createdAt should keep its original value and never be overriden. My fault for not explaining in my question, I'll edit it.
  
  – Alisson
  Mar 28 at 4:43
  

  
  
  
  

add a comment | 

Usually when you want to use default value, you don't pass createdAt value.But since you are saying "accidentally" you can override the value passes using.

User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" , (err,user)=>
 if(err)
 //handle
 
 user.createdAt = Date.now;
 user.save();
);

share|improve this answer

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges

User.create( name: 'Izzy', createdAt: "2000-01-28T01:04:30.809Z" , (err,user)=>
 if(err)
 //handle
 
 user.createdAt = Date.now;
 user.save();
);

share|improve this answer

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges

answered Mar 28 at 4:30

Mahendra sutharMahendra suthar

25111 silver badge1313 bronze badges