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Guglielmo89
Guglielmo89
New Participant
June 16, 2022
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How to extend graphql query search arguments

  • June 16, 2022
  • 1 reply
  • 1368 views

Hi,

 

I'm trying to extend the CIF product list component but I have some problems in customizing the GraphQL query.

 

I've extended the ProductList model and added custom fields in the query as explained also in this video and guide: 

I have also the need to modify the query search arguments with a custom criteria, but I really can't find a guide or an example to do this without having to rewrite the entire component model.

 

To be more specific, I need to edit the "searchArgs" that are here (SearchResultsServiceImpl) used to generate the graphQL query:

 

Operations.query(query -> query.products(searchArgs, queryArgs)).toString();

 

Do I need to write a custom function like "fetchProducts" and build from scratch a product retriever?

Or is there a way to customize the existing query like I've done for the returned attribute set with 

.addCustomObjectField and .addCustomSimpleField

?

 

To achieve what I need I've edited the CIF components source code and it works, but it seems like an extreme solution to a maybe more simpler problem

 

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Best answer by Guglielmo89

Hi @santoshsai ,

 

thank you, I've tried this way extending the ProductList model successfully but the query is executed inside the SearchResultsServiceImpl class that is in fact a Service, so I would have to override the whole "performQuery" method.

Instead I've found this project https://github.com/adobe/graphql-java-generator with which I can define a precise magento schema to generate custom Java classes. With those classes I can rewrite the ProductList model generating my custom graphql query. I know it is not an extension of the existing models and it will require some time initially, but maybe is a solution I can re-use with other custom components in the same project.

 

Thank you anyway and I hope I've chosen a right solution for this problem.

1 reply

SantoshSai
SantoshSai
New Participant
June 16, 2022

Hi @guglielmo89 ,

Yes, It is recommended to customize and extending core component according to your requirement - similar to the the way you edited source code in CIF component (but to extend rather than changing in core). However, best recommendation is -  whenever possible using existing CIF core component as a starting point for your customization.

  • Sling Model delegation - which you can use to customize existing core component.

Based on this you can update searchArgs argument. 

Hope that helps you!

Regards,

Santosh

Santosh Sai
    Guglielmo89
    Guglielmo89AuthorAccepted solution
    New Participant
    June 17, 2022

    Hi @santoshsai ,

     

    thank you, I've tried this way extending the ProductList model successfully but the query is executed inside the SearchResultsServiceImpl class that is in fact a Service, so I would have to override the whole "performQuery" method.

    Instead I've found this project https://github.com/adobe/graphql-java-generator with which I can define a precise magento schema to generate custom Java classes. With those classes I can rewrite the ProductList model generating my custom graphql query. I know it is not an extension of the existing models and it will require some time initially, but maybe is a solution I can re-use with other custom components in the same project.

     

    Thank you anyway and I hope I've chosen a right solution for this problem.

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