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CAPM-(Node JS) Deep Insert - Not triggering custom logic

 3 years ago
source link: https://answers.sap.com/questions/13653416/capm-node-js-deep-insert-not-triggering-custom-log.html
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CAPM-(Node JS) Deep Insert - Not triggering custom logic

65 Views Last edit yesterday 2 rev

Hello,

I was trying to follow along with a blog post written by Carlos Rogan. But while posting it's not even triggering custom logic to manipulate/map things as been described in this blog post.

data-model:

namespace com.relation;entity CompanyEntity { key companyId : Integer; companyName : String; linkToContact : Association to ContactEntity;}entity ContactEntity { key contactId : String; contactName : String; contactPhone : Integer; }

Service

using com.relation from '../db/schema';
@path: '/browse'service RelationService { entity CompanyEntity as projection on relation.CompanyEntity; entity ContactEntity as projection on relation.ContactEntity;}

Custom logic

const cds = require('@sap/cds')module.exports = cds.service.impl( function(){ this.on('CREATE', 'CompanyEntity', (req)=>{ // const {CompanyEntity} = this.entities; console.log(req.data); })})

Yes, I know, this custom piece doesn't contain any logic yet but wondering why logging is being failed even. This code gets triggered only when I am posting data only for CompanyEntiy but not as a deep insertion.

test.http

POST http://localhost:4004/browse/CompanyEntity HTTP/1.1Content-Type: application/json
{"companyId": 3,"companyName": "BeerShop","linkToContact_contactId": "ContactForBeerShop","linkToContact": { "contactId": "ContactForBeerShop", "contactName": "Peter", "contactPhone": 9876543 }}

error received:

error.png

Any suggestion will be helpful.

Thanks.

Attachments
error.png (22.0 kB)
2 comments
1 hour ago

Please try to format your quesiton better.

1 hour ago

Thanks Gregor,

My question is:

Deep insert doesn't come out as a default feature and hence it needs an explicit implementation/hook to achieve.

I have created the implementation and this is supposed to get triggered while I will make a POST entry with a deep insert. The issue is, that the implementation doesn't get triggered and it ends up with the error message as mentioned in a screenshot.

I want to call out, that the implementation only gets triggered if I do a normal create against the entity "CompanyEntity " which means without a deep insert process.

So why implementation is NOT getting triggered during the deep insert process is what I am keen to know.

Thanks for any pointers.

BR, Somnath

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