pass additional parameters to Laravel Eloquent API Resources

Question

I'm working with laravel api Resources and badly need to pass some additional parameters to api Resources

here i am pasting the code of my controller:

return response()->json([
   'countries' => CountryResource::collection($countries, 'en')
], 200);

here with the collection i am passing dummy data which i need in the Resource, remember there will be multiple numbers of parameters which needed to be passed to Resource.

Now let me paste the code of my Resource

private $language;

public function __construct($resource, $language)
{
    // Ensure you call the parent constructor
    parent::__construct($resource);
    $this->resource = $resource;

    $this->language = $language;
}


public function toArray($request)
{
    return [
        'language' => $this->language,
        'id' => $this->id,
        'name' => $this->name,
    ];
}

I am getting the data here in "language" variable but the issue is i'm not getting what i am passing it's showing me integers like "0","1" like this but i have passed "en"

i have tried many solutions from stackoverflow but not worked for me

You will need to create a resource collection class to customise the behaviour — apokryfos
– apokryfos, Commented Feb 27, 2020 at 7:26

junaid rasheed · Accepted Answer · 2020-02-27 07:47:42Z

2

Welcome to stack overflow. You are on the right track but you forgot to add id and name to your __construct. It should look like this


private $language;
private $id;
private $name;

public function __construct($resource, $language,$id,$name)
{
    // Ensure you call the parent constructor
    parent::__construct($resource);
    $this->resource = $resource;

    $this->language = $language;
    $this->id = $id; 
    $this->name = $name;
}


public function toArray($request)
{
    return [
        'language' => $this->language,
        'id' => $this->id,
        'name' => $this->name,
    ];
}

edited Feb 27, 2020 at 7:47

answered Feb 27, 2020 at 6:46

junaid rasheed

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8 Comments

user8555937 Over a year ago

I recommend passing an array to constructor so there will be no params order confusion: __construct(array $params) and retrieve them using $params['..']

develoer zone Over a year ago

@junaid id and name are coming through the $country array i have provided to the collection

develoer zone Over a year ago

@user8555937 buddy i have to get the value of language which i am passing the through the controller let me explain i am passing 'en' from the controller and getting 0,1 in the resource i want to get 'en' in the resource

junaid rasheed Over a year ago

@develoerzone here CountryResource::collection($countries, 'en') you are passing en to the constructor of yourCountryResource which is why you are getting the language en. You need to explain what should be in the id and name of your resource.

develoer zone Over a year ago

@junaidrasheed i am not getting 'en' in the resource in i'm getting integers like 0,1 i just need to get the value of language what i am sending from the controller

|

user8555937 · Accepted Answer · 2020-02-27 07:31:05Z

0

Inside your model modify the code to this instead:

protected $language;

# appends language attribute to array
protected $appends = [
    'language'
];

# get language using accessor
public function getLanguageAttribute()
{
    return $this->language;
}

edited Feb 27, 2020 at 7:31

answered Feb 27, 2020 at 7:22

user8555937

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Comments

Attila Fulop · Accepted Answer · 2023-04-23 14:43:21Z

0

It can be achieved by mapping the model collection:

return response()->json([
   'countries' => CountryResource::collection(
        $countries->map(fn ($country) => new CountryResource($country, 'en'))
    )
], 200);

Under the hood, the base Laravel class uses tap().

answered Apr 23, 2023 at 14:43

Attila Fulop

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