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Add pivot support #104

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Add pivot support #104

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778d1d1
Add pivot support
May 20, 2022
45a3de8
add new pivot parameter information to readme
May 20, 2022
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8 changes: 8 additions & 0 deletions readme.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,14 @@ You can explicitly define the relationship & Nova resource:
AttachMany::make('Field Name', 'relationshipName', RelatedResource::class);
```

### Pivot Values
You can pass additional parameters for any pivot value.
For details, please check https://laravel.com/docs/9.x/eloquent-relationships#syncing-associations

```php
AttachMany::make('Field Name', 'relationshipName', RelatedResource::class, ['pivot_name' => value]);
```

### Display on detail:

This package only provides the create / edit views that BelongsToMany does not.
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13 changes: 9 additions & 4 deletions src/AttachMany.php
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Expand Up @@ -39,7 +39,7 @@ class AttachMany extends Field

public $component = 'nova-attach-many';

public function __construct($name, $attribute = null, $resource = null)
public function __construct($name, $attribute = null, $resource = null, $pivot = null)
{
parent::__construct($name, $attribute);

Expand All @@ -51,9 +51,9 @@ public function __construct($name, $attribute = null, $resource = null)
$this->resourceName = $resource::uriKey();
$this->manyToManyRelationship = $this->attribute;

$this->fillUsing(function($request, $model, $attribute, $requestAttribute) use($resource) {
$this->fillUsing(function($request, $model, $attribute, $requestAttribute) use($resource, $pivot) {
if(is_subclass_of($model, 'Illuminate\Database\Eloquent\Model')) {
$model::saved(function($model) use($attribute, $request) {
$model::saved(function($model) use($attribute, $request, $pivot) {

// fetch the submitted values
$values = json_decode(request()->input($attribute), true);
Expand All @@ -67,7 +67,12 @@ public function __construct($name, $attribute = null, $resource = null)
$filtered_values = array_filter($values);

// sync
$changes = $model->$attribute()->sync($filtered_values);
if($pivot) {
$changes = $model->$attribute()->syncWithPivotValues($filtered_values, $pivot);
} else {
$changes = $model->$attribute()->sync($filtered_values);
}


$method = Str::camel($attribute) . 'Synced';

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