Using pluck() helper function in laravel - laravel

Question

I'm building a small application on laravel 5.5 where I'm getting a list of multiple users with there information, from the forms as below format:
{
"name":"Test",
"description":"Test the description",
"users":[
{
"value":"XYZabc123",
"name":"Nitish Kumar",
"email":"nitishkumar#noeticitservices.com"
},
{
"value":"MFnjMdNz2DIzMJJS",
"name":"Rajesh Kumar Sinha",
"email":"rajesh#noeticitservices.com"
}
]
}
I just want to get the value key form the users array via laravel collection something like this:
$userIds = $request->users->pluck('value');
so that I can put them into query:
$user = User::all()->whereIn('unique_id', $userIds);
May be I'm doing most of the things wrong but my main motive is to use laravel collection or helper functions and make a cleaner code for this:
$teamData['name'] = $request->name;
$teamData['description'] = $request->description;
$teamData['unique_id'] = str_random();
$users = $request->users;
$team = Team::create($teamData);
if($team)
{
$userIds = [];
foreach ($users as $user)
{
$getUser = User::where('unique_id', $user['value'])->get()->first();
$userIds [] = $getUser->id;
}
$team->users()->attach($userIds);
return response()->json(['message' => 'Created Successfully'], 200);
}
return response()->json(['message' => 'Something went wrong'], 500);
I'm still learning collections, any suggestions is appreciated. Thanks

Answer 1

Data that come from $request (form) isn't a collection. It's an array. If you need it to be collection, you should convert it to collection first.
PS. If you have multiple DB actions in single method, It's good to have DB transaction.
\DB::transaction(function () use ($request) {
// convert it to collection
$users = collect($request->users);
$team = Team::create([
'name' => $request->name,
'description' => $request->description,
'unique_id' => str_random(),
]);
$team->users()->attach($users->pluck('value')->toArray());
});
// HTTP Created is 201 not 200
return response()->json(['message' => 'Created Successfully'], 201);
or you'll need something like this:
return \DB::transaction(function () use ($request) {
$users = collect($request->users);
$team = Team::create([
'name' => $request->name,
'description' => $request->description,
'unique_id' => str_random(),
]);
$team->users()->attach($users->pluck('value')->toArray());
return response()->json([
'message' => 'Created Successfully',
'data' => $team,
], 201);
});

Answer 2

I just want to get the value key form the users array via laravel collection
Just use map then:
$userIds = $request->users->map(function($user) {
return $user->value; // or $user['value'] ? not sure if this is an array
});
Edit:
if $request->users is not a collection, make it one before calling map:
$users = collect($request->users);
$userIds = $users->map(function($user) {
return $user->value; // or $user['value'] ? not sure if this is an array
});