JSONApi nested attributes

[eedijs]

Hi,

Is there a plan to add the possibility to have nested attributes? At the moment this Attributes class can only be created from an array of Attribute objects, but what if there was another constructor that accepted another Attributes object or similar, that also contains an array of Attribute objects?

public class Attributes extends LinkedHashMap<String, Object> {

    /**
     * Instantiates a new Attributes.
     *
     * @param attributes the attributes
     */
    public Attributes(Attribute... attributes) {
        for (Attribute attribute : attributes) {
            this.put(attribute.key, attribute.value);
        }
    }
}

Example usage:

        datum(
                resource(
                        type("something"),
                        attributes(
                                attr("attribute", "value"),
                                attributes(
                                        attr("additionalAttribute", "additionalValue")
                                )
                        )
                )
        )

[jkusa]

Hi @eedijs 👋 Are you asking about nested attributes in terms of testing or in general?

In general you can use a custom type in hibernate to serialize/deserialize to/from a string/fragment class.

Here is an example of a Person entity with an address fragment:

• Person.java
• AddressFragment.java
• JsonType.java

For testing with the test helpers you can provide an instance of the fragment class as seen here (in Kotlin):

        given()
            .header("User", USER1)
            .contentType("application/vnd.api+json")
            .body(
                datum(
                    resource(
                        type("deliveryRules"),
                        id("1"),
                        attributes(
                            attr("frequency", "quarter"),
                            attr("schedulingRules", SchedulingRules(true)), // sets attribute with new instance of SchedulingRules fragment class
                        )
                    )
                ).toJSON()
            )
            .`when`()
            .patch("/deliveryRules/1")
            .then()
            .assertThat()
            .statusCode(HttpStatus.SC_NO_CONTENT)

DeliveryRulesTest.kt

[eedijs]

Hi,

Yes, this is for unit testing, but with a real class that is used in production.

I didn't know that you could even pass a whole instance in attributes, just tried that it might even be possible to also just put a Map.of(something) in there.

Thanks, I think this solves the issue.