I have an array of values I want to pass into my where clause when querying a model
How do I achieve this?
I have $categorypro variable getting below array in this format
Array
(
[0] => 4
[1] => 8
[1] => 5
)
Currently I am doing this in controller but not getting proper data some category
Below is my controller code :
function filter_each_video(Request $request){
if(request()->ajax()){
if($request->has('categorypro') && ($request->get('categorypro')!= null)){
$categorypro = $request->get('categorypro');
$item = Item::whereIn('category_id', $categorypro)->get();
}
}
}
If any one have better idea then let me know . Or something wrong in this then give some idea
Generally you would use a 'whereIn' clause:
MyModel::whereIn('attribute', ['value', 'value', 'value'])
->get();
First, you already have the $request in your method, so you don't need to call request(). Always make sure you're validating any data you're using from a request. Second, you can get the query first, then filter it if necessary depending on the post data. Only put your whereIn filter inside the if block.
public function filter_each_video(Request $request)
{
$request->validate([
'categorypro' => 'nullable|array',
'categorypro.*' => 'int'
]);
$query = Item::query();
if ($request->ajax() && $request->categorypro) {
$query->whereIn('category_id',$request->categorypro);
}
$categories = $request->categorypro
? Category::whereIn('id',$request->categorypro)->get()
: null;
$items = $query->get();
return view('myview',compact('items'));
}
I'm new with laravel collection . i just want to make this query with collection
DB::select(SELECT id, user_id, created_at,latitude,longitude
FROM coordinates
WHERE created_at IN (
SELECT MAX(created_at)
FROM coordinates
GROUP BY user_id));
according to the document https://laravel.com/docs/6.x/collections
this what i did and it gives me all the data
$this->data['information'] = collect($response->json()['items']);
Edit:
simply i need to produce that query (that i mentioned above) by using Collection.
This is the contents of $response->json()['items']
"#items: array:17 [▼ 0 => array:9 [▼ "id" => 977777779 "platform_id" => "msaeed" "platform_type" => 1 "status" => 1 "longitude" => 1.1 "latitude" => 1.1 "created_by" => "NMF" "created_at" => "2019-10-27T21:00:00Z" "updated_at" => "2019-10-28T07:58:36Z""
any help would be appreciated
Here is the query.
$data = collect($response->json()['items']);
$data = $data->whereIn('created_at', $data->sortByDesc('created_at')
->groupBy('user_id')
->pluck('0.created_at'))
->onlyKeys(['id', 'user_id', 'created_at', 'latitude', 'longitude']);
The equivalent for the subquery:
SELECT MAX(created_at)
FROM coordinates
GROUP BY user_id
is
$data->sortByDesc('created_at') // we use sortByDesc to produce the same result as `MAX`.
->groupBy('user_id')
->pluck('0.created_at') // then to get the max value, just get the first array after grouping.
To achieve the select statement, we need to create a little macro, i've named it onlyKeys:
use Illuminate\Support\Arr;
Collection::macro('onlyKeys', function ($keys) {
return $this->map(function ($value) use ($keys) {
$tmpValue = (array) $value;
if (is_array($tmpValue)) {
$value = Arr::only($tmpValue, $keys);
}
return $value;
});
});
You can register the macro in your AppServiceProvider.php.
PS. Why you need to querying using Collection? Is that data not come from DB?
You want to collect array recursive
Unfortunately laravel does not have this feature:
you can write it on your own.
if you have helpers file you can write this method:
function recursive_collect($array){
foreach ($array as $key => $value) {
if (is_array($value)) {
$value = recursive_collect($value);
$array[$key] = $value;
}
}
return collect($array);
}
Or You can implement macro in your AppServiceProvider:
\Illuminate\Support\Collection::macro('recursive', function () {
return $this->map(function ($value) {
if (is_array($value) || is_object($value)) {
return collect($value)->recursive();
}
return $value;
});
});
Hope this helps you
I have 2 two tables: one is an admission and the other is a class table. I am saving class id in admission class field of admission table by json_encode method.
My controller
public function store(Request $request)
{
$inputs = $request->all();
$admission = new Admission;
$admission->school_id = Auth::User()->id;
$admission->admission_classes=json_encode($inputs['admission_classes']);
$admission->save();
}
My index function
public function index(Request $request) {
$school_id= Auth::user()->id;
$admissions= Admission::where('school_id',$school_id)->orderBy('id','desc')->paginate(10);
return view('frontend.index',compact('admissions','active_class'));
}
My view
#foreach($admissions as $i => $admission)
{{ $admission->admission_classes }}
#endforeach
I am getting data in this way:-
["1","2","4","5","6","7","8","9"]
But I want to get in this format:
Nursery,Class 1, Class2, Class3 etc
My class controller
class Classes extends Authenticatable
{
use EntrustUserTrait;
use Billable;
use Messagable;
protected $fillable = [
'name','status'
];
}
You need to save integer value in as json array and do the following code
$integerIDs = array_map('intval', $inputs['admission_classes']);
$admission->admission_classes= json_encode($integerIDs);
public function index(Request $request){
$admissions = DB::select('SELECT a.*, GROUP_CONCAT(c.name) as classes FROM academy as a LEFT JOIN class c ON JSON_CONTAINS(a.classes, CAST(c.id as JSON), '$') WHERE a.school_id =2 GROUP BY a.id');
$admissions = $this->arrayPaginator($admissions, $request);
return view('frontend.index',compact('admissions','active_class'));
}
public function arrayPaginator($array, $request)
{
$page = Input::get('page', 1);
$perPage = 10;
$offset = ($page * $perPage) - $perPage;
return new LengthAwarePaginator(array_slice($array, $offset,
$perPage, true), count($array), $perPage, $page,
['path' => $request->url(), 'query' => $request->query()]);
}
I have not checked the code hope this will help u to continue.......
The best way to achieve this would be to have a one-to-many relationship with App\Classes.
However, since you already have something up and running, I would probably do it like this.
First, I would cast admission_classes to an array. This makes sure that admission_classes will always be casted to an array whenever it is fetched. It makes it easier for us to work with it.
protected $casts = [
'admission_classes' => 'array'
];
Finally, while fetching your admission records, you would also need to map over it and hydrate the Classes from its ids. This is how I'd try to achieve it.
$admissions = Admission::where('school_id',$school_id)
->orderBy('id','desc')
->paginate(10)
->map(function($admission) {
return array_map(function($class) {
$class = Classes::find($class);
return isset($class) ? $class->name : '';
}, $admission->admission_classes);
});
You will notice that I wrapped the Classes::find() method into the optional() helper. This is because, in case, a record is not found, it will not fail.
Finally, to print your class names in your blade, you would do something like this:
implode(',', $admission->admission_classes);
When i use pluck with multiple columns i get this:
{"Kreis 1 \/ Altstadt":"City","Kreis 2":"Enge","Kreis 3":"Sihifeld","Kreis 4":"Hard","Kreis 5 \/ Industriequartier":"Escher Wyss","Kreis 6":"Oberstrass","Kreis 7":"Witikon","Kreis 8 \/ Reisbach":"Weinegg","Kreis 9":"Altstetten","Kreis 10":"Wipkingen","Kreis 11":"Seebach","Kreis 12 \/ Schwamendingen":"Hirzenbach"
But i need this?
["Rathaus","Hochschulen","Lindenhof","City","Wollishofen","Leimbach","Enge","Alt-Wiedikon","Friesenberg","Sihifeld","Werd","Langstrasse","Hard","Gewerbechule","Escher Wyss","Unterstrass","Oberstrass","Fluntern","Hottingen","Hirslanden","Witikon","Seefeld","M\u00fchlebach","Weinegg","Albisrieden","Altstetten","H\u00f6ngg","Wipkingen","Affoltern","Oerlikon","Seebach","Saatlen","Schwamendingen-Mitte","Hirzenbach"]
Any suggestion how can i do that? This is my method:
public function autocomplete_districts(Request $request)
{
$district = $request->input('query');
// $ass = /DB::table('districts')->select(array('district', 'region'))->get();
// dd($ass);
$data = Districts::whereRaw('LOWER(district) like ?', [strtolower('%'.$district . '%')])->orWhereRaw('LOWER(region) like ?', [strtolower('%'.$district . '%')])->pluck('region','district');
return response()->json($data);
}
You should use select() with get() and then later on modify the object as you need.
So instead of: ->pluck('region','district');
use: ->select('region','district')->get();
pluck() is advised when you need value of one column only.
And as far as possible, you should have your models singular form not plural (Districts) - to follow Laravel nomenclature.
Cos that is how pluck works. Instead try this.
$data = Districts::whereRaw('LOWER(district) like ?', [strtolower('%'.$district . '%')])->orWhereRaw('LOWER(region) like ?', [strtolower('%'.$district . '%')])->select('region', 'district')->get();
$data = collect($data->toArray())->flatten()->all();
In my case I wanted to pluck 2 values from an array of Eloquent models and this worked:
$models->map->only(['state', 'note'])->values()
That's shorter version of
$models->map(fn($model) => $model->only(['state', 'note']))->values()
This is an issue I constantly have faced and has led me to create the following solution that can be used on models or arrays.
There is also support for dot syntax that will create a multidimensional array as required.
Register this macro within the AppServiceProvider (or any provider of your choice):
use Illuminate\Support\Arr;
/**
* Similar to pluck, with the exception that it can 'pluck' more than one column.
* This method can be used on either Eloquent models or arrays.
* #param string|array $cols Set the columns to be selected.
* #return Collection A new collection consisting of only the specified columns.
*/
Collection::macro('pick', function ($cols = ['*']) {
$cols = is_array($cols) ? $cols : func_get_args();
$obj = clone $this;
// Just return the entire collection if the asterisk is found.
if (in_array('*', $cols)) {
return $this;
}
return $obj->transform(function ($value) use ($cols) {
$ret = [];
foreach ($cols as $col) {
// This will enable us to treat the column as a if it is a
// database query in order to rename our column.
$name = $col;
if (preg_match('/(.*) as (.*)/i', $col, $matches)) {
$col = $matches[1];
$name = $matches[2];
}
// If we use the asterisk then it will assign that as a key,
// but that is almost certainly **not** what the user
// intends to do.
$name = str_replace('.*.', '.', $name);
// We do it this way so that we can utilise the dot notation
// to set and get the data.
Arr::set($ret, $name, data_get($value, $col));
}
return $ret;
});
});
This can then be used in the following way:
$a = collect([
['first' => 1, 'second' => 2, 'third' => 3],
['first' => 1, 'second' => 2, 'third' => 3]
]);
$b = $a->pick('first', 'third'); // returns [['first' => 1, 'third' => 3], ['first' => 1, 'third' => 3]]
Or additionally, on any models you may have:
$users = User::all();
$new = $users->pick('name', 'username', 'email');
// Might return something like:
// [
// ['name' => 'John Doe', 'username' => 'john', 'email' => 'john#email.com'],
// ['name' => 'Jane Doe', 'username' => 'jane', 'email' => 'jane#email.com'],
// ['name' => 'Joe Bloggs', 'username' => 'joe', 'email' => 'joe#email.com'],
// ]
It is also possible to reference any relationship too using the dot notation, as well as using the as [other name] syntax:
$users = User::all();
$new = $users->pick('name as fullname', 'email', 'posts.comments');
// Might return something like:
// [
// ['fullname' => 'John Doe', 'email' => 'john#email.com', 'posts' => [...]],
// ['fullname' => 'Jane Doe', 'email' => 'jane#email.com', 'posts' => [...]],
// ['fullname' => 'Joe Bloggs', 'email' => 'joe#email.com', 'posts' => [...]],
// ]
My solution in LARAVEL 5.6:
Hi, I've just had the same problem, where I needed 2 columns combined in 1 select list.
My DB has 2 columns for Users: first_name and last_name.
I need a select box, with the users full name visible and the id as value.
This is how I fixed it, using the pluck() method:
In the User model I created a full name accessor function:
public function getNameAttribute() {
return ucwords($this->last_name . ' ' . $this->first_name);
}
After that, to fill the select list with the full name & corresponding database id as value, I used this code in my controller that returns the view (without showing users that are archived, but you can change the begin of the query if you like, most important are get() and pluck() functions:
$users = User::whereNull('archived_at')
->orderBy('last_name')
->get(['id','first_name','last_name'])
->pluck('name','id');
return view('your.view', compact('users'));
Now you can use the $users in your select list!
So first, you GET all the values from DB that you will need,
after that you can use any accessor attribute defined for use in your PLUCK method,
as long as all columns needed for the accessor are in the GET ;-)
As far as now Laravel didn't provide such macro to pick specific columns, but anyway Laravel is out of the box and lets us customize almost everything.
Tested in Laravel 8.x
in AppServiceProvider.php
use Illuminate\Support\Collection;
// Put this inside boot() function
Collection::macro('pick', function (... $columns) {
return $this->map(function ($item, $key) use ($columns) {
$data = [];
foreach ($columns as $column) {
$data[$column] = $item[$column] ?? null;
}
return $data;
});
});
Usage
$users = App\Models\User::all();
$users->pick('id','name');
// Returns: [['id' => 1, 'name' => 'user_one'],['id' => 2, 'name' => 'user_two']]
Important notes:
Do not use this macro for a really HUGE collection (You better do it on Eloquent
select or MySQL query select)
Laravel: To pluck multi-columns in the separate arrays use the following code.
$Ads=Ads::where('status',1);
$Ads=$Ads->where('created_at','>',Carbon::now()->subDays(30));
$activeAdsIds=$Ads->pluck('id'); // array of ads ids
$UserId=$Ads->pluck('user_id'); // array of users ids
I have created the model scope
More about scopes:
https://laravel.com/docs/5.8/eloquent#query-scopes
https://medium.com/#janaksan_/using-scope-with-laravel-7c80dd6a2c3d
Code:
/**
* Scope a query to Pluck The Multiple Columns
*
* This is Used to Pluck the multiple Columns in the table based
* on the existing query builder instance
*
* #author Manojkiran.A <manojkiran10031998#gmail.com>
* #version 0.0.2
* #param \Illuminate\Database\Eloquent\Builder $query
* #param string $keyColumn the columns Which is used to set the key of array
* #param array $extraFields the list of columns that need to plucked in the table
* #return \Illuminate\Support\Collection
* #throws Illuminate\Database\QueryException
**/
public function scopePluckMultiple( $query, string $keyColumn, array $extraFields):\Illuminate\Support\Collection
{
//pluck all the id based on the query builder instance class
$keyColumnPluck = $query->pluck( $keyColumn)->toArray();
//anonymous callback method to iterate over the each fileds of table
$callBcakMethod = function ($eachValue) use ($query)
{
$eachQuery[$eachValue] = $query->pluck( $eachValue)->toArray();
return $eachQuery;
};
//now we are collapsing the array single time to get the propered array
$extraFields = \Illuminate\Support\Arr::collapse( array_map($callBcakMethod, $extraFields));
// //iterating Through All Other Fields and Plucking it each Time
// foreach ((array)$extraFields as $eachField) {
// $extraFields[$eachField] = $query->pluck($eachField)->toArray();
// }
//now we are done with plucking the Required Columns
//we need to map all the values to each key
//get all the keys of extra fields and sets as array key or index
$arrayKeys = array_keys($extraFields);
//get all the extra fields array and mapping it to each key
$arrayValues = array_map(
function ($value) use ($arrayKeys) {
return array_combine($arrayKeys, $value);
},
call_user_func_array('array_map', array_merge(
array(function () {
return func_get_args();
}),
$extraFields
))
);
//now we are done with the array now Convert it to Collection
return collect( array_combine( $keyColumnPluck, $arrayValues));
}
So now the testing part
BASIC EXAMPLE
$basicPluck = Model::pluckMultiple('primaryKeyFiles',['fieldOne', 'FieldTwo']);
ADVANCED EXAMPLE
$advancedPlcuk = Model::whereBetween('column',[10,43])
->orWhere('columnName','LIKE', '%whildCard%')
->Where( 'columnName', 'NOT LIKE', '%whildCard%')
->pluckMultiple('primaryKeyFiles',['fieldOne', 'FieldTwo']);
But it returns the \Illuminate\Support\Collection, so if you need to convert to array
$toArrayColl = $advancedPluck->toArray();
if you need to convert to json
$toJsonColl = $advancedPluck->toJson();
To answer the specific question of "how to return multiple columns using (something like) pluck" we have to remember that Pluck is a Collection member function. So if we're sticking to the question being asked we should stick with a Collection based answer (you may find it more beneficial to develop a model-based solution, but that doesn't help solve the question as posed).
The Collection class offers the "map" member function which can solve the posed question:
$data = Districts::whereRaw('LOWER(district) like ?', [strtolower('%'.$district . '%')])->orWhereRaw('LOWER(region) like ?', [strtolower('%'.$district . '%')])
->map(function ($item, $key, $columns=['region','district']) {
$itemArray = [];
foreach($columns as $column){
$itemArray[$column] = $item->$column;
}
return ($itemArray);
});
dd($data);
This should give you a collection where each element is a 2 element array indexed by 'region' and 'district'.
Laravel 8.x, try to use mapWithKeys method instead of pluck, for example:
$collection->mapWithKeys(function ($item, $key) {
return [$key => $item['firstkey'] . ' ' . $item['secondkey']];
});
Expanding on #Robby_Alvian_Jaya_Mulia from above who gave me the idea. I needed it to also work on a relationship. This is just for a single relationship, but it would probably be easy to nest it more.
This needs to be put into AppServiceProvider.php
use Illuminate\Support\Collection;
// Put this inside boot() function
Collection::macro('pick', function (... $columns) {
return $this->map(function ($item, $key) use ($columns) {
$data = [];
foreach ($columns as $column) {
$collection_pieces = explode('.', $column);
if (count($collection_pieces) == 2) {
$data[$collection_pieces[1]] = $item->{$collection_pieces[0]}->{$collection_pieces[1]} ?? null;
} else {
$data[$column] = $item[$column] ?? null;
}
}
return $data;
});
});
Usage:
$users = App\Models\User::has('role')->with('role')->all();
$users->pick('id','role.name');
// Returns: [['id' => 1, 'name' => 'role_name_one'],['id' => 2, 'name' => 'role_name_two']]
Hope this is helpful to someone. Sorry I didn't add this to under #Robby's answer. I didn't have enough reputation.
Pluck returned only the value of the two columns which wasnt ideal for me, what worked for me was this :
$collection->map->only(['key1', 'key2'])->values()
In order to update single record in pivot table I use updateExistingPivot method. However it takes $id as the first argument. For example:
$step->contacts()->updateExistingPivot($id, [
'completed' => true,
'run_at' => \Carbon\Carbon::now()->toDateTimeString()
]);
But how can I update multiple existing rows in pivot table at once?
There's an allRelatedIds() method in the BelongsToMany relation that you can access, which will return a Collection of the related model's ids that appear in the pivot table against the initial model.
Then a foreach will do the job:
$ids = $step->contacts()->allRelatedIds();
foreach ($ids as $id){
$step->contacts()->updateExistingPivot($id, ['completed' => true]);
}
You can update only by using a looping statement as there updateExistingPivot function only accept one dimensional params, See the core function for laravel 5.3.
File: yoursite\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\BelongsToMany.php
Function: updateExistingPivot
public function updateExistingPivot($id, array $attributes, $touch = true)
{
if (in_array($this->updatedAt(), $this->pivotColumns)) {
$attributes = $this->setTimestampsOnAttach($attributes, true);
}
$updated = $this->newPivotStatementForId($id)->update($attributes);
if ($touch) {
$this->touchIfTouching();
}
return $updated;
}
So, You should follow the simple process:
$step = Step::find($stepId);
foreach(yourDataList as $youData){
$step->contacts()->updateExistingPivot($youData->contract_id, [
'completed' => true,
'run_at' => \Carbon\Carbon::now()->toDateTimeString()
]);
}