Changing the created JSON object key when rendering a json response

Question

I'm rendering some json that outputs this

 render json: service.get_object_item(param)
[
    [0] "{"object_item":[{"count":1,"dueDate":"2021-02-23","dayCreated":23}]}"
]

I want to change the object_item array key to camel case so it will match the inner array casing.

[
    [0] "{"objectItem":[{"count":1,"dueDate":"2021-02-23","dayCreated":23}]}"
]

However it seems like it gets set when render gets called so I can't change it. I've only been able to omit it by doing render json: service.get_object_item(param).to_json.

That looks sort of but not quite like JSON. What's that output format? — tadman
– tadman, Commented Feb 24, 2021 at 3:23
It's an array and the json is inisde the array at key object_item — user6313136
– user6313136, Commented Feb 24, 2021 at 17:12

user6313136 · Accepted Answer · 2021-02-24 18:34:40Z

1

I was able to solve it with this

render json: { objectItem: service.get_object_item(param) }

Which returns

[
    [0] "{"objectItem":[{"count":1,"dueDate":"2021-02-23","dayCreated":23}]}"
]

answered Feb 24, 2021 at 18:34

user6313136

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Comments

V P · Accepted Answer · 2021-02-24 08:54:36Z

0

You can either use active model serializers and define the keys there, or you can use rails built in transform_keys function

answered Feb 24, 2021 at 8:54

V P

1

1 Comment

user6313136 Over a year ago

I tried the transform_keys method but that didn't work. I think because the thing i want to transform is the key of an array, not a hash. json[0].transform_keys{ |key| key.camelize} ` and json.transform_keys{ |key| key.camelize} both had errors

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