Filament•6mo ago

ManyToMany Repeater: Call to a member function subscriptionProducts() on null

I have followed this guide: https://filamentphp.com/docs/3.x/forms/fields/repeater#integrating-with-a-belongstomany-eloquent-relationship but unfortunately no luck. My models: subscription: - id - name productSubscription - id - product_id - subscription_id - price - quantity product: - id - name - tax - default_price

Repeater - Form Builder - Filament

3 Replies

Proculair•6mo ago

<?php

namespace App\Models;

use App\Enums\SubscriptionPeriod;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Subscription extends Model
{
    use HasFactory;
    use HasUlids;

    protected $fillable = [
        'name',
        'notes',
        'period',
        'starts_on',
        'ends_on',
    ];

    protected $casts = [
        'period'    => SubscriptionPeriod::class,
        'starts_on' => 'date',
        'ends_on'   => 'date',
    ];

    protected $with = [
        'products',
    ];

    public function customer(): BelongsTo
    {
        return $this->belongsTo(Customer::class);
    }

    public function products(): BelongsToMany
    {
        return $this->belongsToMany(Product::class)
            ->using(ProductSubscription::class)
            ->withPivot(['price', 'quantity']);
    }

    public function subscriptionProducts(): HasMany
    {
        return $this->hasMany(ProductSubscription::class);
    }
}

<?php

namespace App\Models;

use App\Enums\SubscriptionPeriod;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Subscription extends Model
{
    use HasFactory;
    use HasUlids;

    protected $fillable = [
        'name',
        'notes',
        'period',
        'starts_on',
        'ends_on',
    ];

    protected $casts = [
        'period'    => SubscriptionPeriod::class,
        'starts_on' => 'date',
        'ends_on'   => 'date',
    ];

    protected $with = [
        'products',
    ];

    public function customer(): BelongsTo
    {
        return $this->belongsTo(Customer::class);
    }

    public function products(): BelongsToMany
    {
        return $this->belongsToMany(Product::class)
            ->using(ProductSubscription::class)
            ->withPivot(['price', 'quantity']);
    }

    public function subscriptionProducts(): HasMany
    {
        return $this->hasMany(ProductSubscription::class);
    }
}

<?php

namespace App\Models;

use Akaunting\Money\Money;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\Pivot;

class ProductSubscription extends Pivot
{
    protected $fillable = [
        'product_id',
        'price',
        'quantity',
    ];

    public function product(): BelongsTo
    {
        return $this->belongsTo(Product::class);
    }

    public function subscription(): BelongsTo
    {
        return $this->belongsTo(Subscription::class);
    }
}

<?php

namespace App\Models;

use Akaunting\Money\Money;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\Pivot;

class ProductSubscription extends Pivot
{
    protected $fillable = [
        'product_id',
        'price',
        'quantity',
    ];

    public function product(): BelongsTo
    {
        return $this->belongsTo(Product::class);
    }

    public function subscription(): BelongsTo
    {
        return $this->belongsTo(Subscription::class);
    }
}

<?php

namespace App\Models;

use Akaunting\Money\Money;
use App\Enums\ProductTax;
use App\Enums\ProductType;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class Product extends Model
{
    use HasFactory;
    use HasUlids;

    protected $fillable = [
        'name',
        'type',
        'tax',
        'price',
    ];

    protected $casts = [
        'type' => ProductType::class,
        'tax'  => ProductTax::class,
    ];

    public function tenant(): BelongsTo
    {
        return $this->belongsTo(Tenant::class);
    }

    public function subscriptions(): BelongsToMany
    {
        return $this->belongsToMany(Subscription::class)
            ->using(ProductSubscription::class);
    }
}

<?php

namespace App\Models;

use Akaunting\Money\Money;
use App\Enums\ProductTax;
use App\Enums\ProductType;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class Product extends Model
{
    use HasFactory;
    use HasUlids;

    protected $fillable = [
        'name',
        'type',
        'tax',
        'price',
    ];

    protected $casts = [
        'type' => ProductType::class,
        'tax'  => ProductTax::class,
    ];

    public function tenant(): BelongsTo
    {
        return $this->belongsTo(Tenant::class);
    }

    public function subscriptions(): BelongsToMany
    {
        return $this->belongsToMany(Subscription::class)
            ->using(ProductSubscription::class);
    }
}

<?php

namespace App\Filament\AppPanel\Resources\CustomerResource\Pages;

use App\Filament\AppPanel\Resources\CustomerResource;
use Filament\Forms\Components\Repeater;
use Filament\Forms\Components\Select;
use Filament\Forms\Form;
use Filament\Resources\Pages\ManageRelatedRecords;

class ManageCustomerSubscriptions extends ManageRelatedRecords
{
    protected static string $resource = CustomerResource::class;

    protected static string $relationship = 'subscriptions';

    protected static ?string $navigationIcon = 'heroicon-o-document-duplicate';

    protected static ?string $navigationLabel = 'Abonnementen';

    protected static ?string $breadcrumb = 'Abonnementen';

    public function getTitle(): string
    {
        return $this->record->name;
    }

    public function form(Form $form): Form
    {
        return $form
            ->schema([
                Repeater::make('subscriptionProducts')
                    ->relationship()
                    ->schema([
                        Select::make('product_id')
                            ->relationship('product', 'name')
                            ->required(),
                    ]),
            ]);
    }
    //...

<?php

namespace App\Filament\AppPanel\Resources\CustomerResource\Pages;

use App\Filament\AppPanel\Resources\CustomerResource;
use Filament\Forms\Components\Repeater;
use Filament\Forms\Components\Select;
use Filament\Forms\Form;
use Filament\Resources\Pages\ManageRelatedRecords;

class ManageCustomerSubscriptions extends ManageRelatedRecords
{
    protected static string $resource = CustomerResource::class;

    protected static string $relationship = 'subscriptions';

    protected static ?string $navigationIcon = 'heroicon-o-document-duplicate';

    protected static ?string $navigationLabel = 'Abonnementen';

    protected static ?string $breadcrumb = 'Abonnementen';

    public function getTitle(): string
    {
        return $this->record->name;
    }

    public function form(Form $form): Form
    {
        return $form
            ->schema([
                Repeater::make('subscriptionProducts')
                    ->relationship()
                    ->schema([
                        Select::make('product_id')
                            ->relationship('product', 'name')
                            ->required(),
                    ]),
            ]);
    }
    //...

Without the select the page modal loads. With it Call to a member function subscriptionProducts() on null I thought it might have something to do with ulids, so I temporarily used normal ids everywhere in my app. This did not change the result

Abel Cobreros•5mo ago

Hey did you manage to find a solution to this? I'm getting the same error

Proculair•5mo ago

No I did not, ended up using a relation manager instead :/

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ManyToMany Repeater: Call to a member function subscriptionProducts() on null