add nova

nova/src/ResolvesActions.php

@@ -0,0 +1,204 @@
+<?php
+
+namespace Laravel\Nova;
+
+use Laravel\Nova\Actions\ActionCollection;
+use Laravel\Nova\Fields\BelongsToMany;
+use Laravel\Nova\Fields\MorphToMany;
+use Laravel\Nova\Http\Requests\NovaRequest;
+
+trait ResolvesActions
+{
+    /**
+     * Get the actions that are available for the given request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function availableActions(NovaRequest $request)
+    {
+        $resource = $this->resource;
+
+        if (method_exists($resource, 'getKey')) {
+            $request->mergeIfMissing(array_filter([
+                'resourceId' => $resource->getKey(),
+            ]));
+        }
+
+        $actions = $this->resolveActions($request)
+                    ->filter->authorizedToSee($request);
+
+        if (optional($resource)->exists === true) {
+            return $actions->withAuthorizedToRun($request, $resource)->values();
+        }
+
+        if (! is_null($resources = $request->selectedResources())) {
+            $resources->each(function ($resource) use ($request, $actions) {
+                $actions->withAuthorizedToRun($request, $resource);
+            });
+
+            return $actions->values();
+        }
+
+        return $actions->values();
+    }
+
+    /**
+     * Get the actions that are available for the given index request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function availableActionsOnIndex(NovaRequest $request)
+    {
+        $resource = $this->resource;
+
+        $actions = $this->resolveActions($request)
+                    ->authorizedToSeeOnIndex($request);
+
+        if (optional($resource)->exists === true) {
+            return $actions->withAuthorizedToRun($request, $resource)->values();
+        }
+
+        if (! is_null($resources = $request->selectedResources())) {
+            $resources->each(function ($resource) use ($request, $actions) {
+                $actions->withAuthorizedToRun($request, $resource);
+            });
+
+            return $actions->values();
+        }
+
+        return $actions->values();
+    }
+
+    /**
+     * Get the actions that are available for the given detail request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function availableActionsOnDetail(NovaRequest $request)
+    {
+        return $this->resolveActions($request)
+                    ->authorizedToSeeOnDetail($request)
+                    ->withAuthorizedToRun($request, $this->resource)
+                    ->values();
+    }
+
+    /**
+     * Get the resource table row actions that are available for the given index request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function availableActionsOnTableRow(NovaRequest $request)
+    {
+        return $this->resolveActions($request)
+                    ->authorizedToSeeOnTableRow($request)
+                    ->withAuthorizedToRun($request, $this->resource)
+                    ->values();
+    }
+
+    /**
+     * Get the actions for the given request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function resolveActions(NovaRequest $request)
+    {
+        return ActionCollection::make(
+            $this->filter($this->actions($request))
+        );
+    }
+
+    /**
+     * Get the "pivot" actions that are available for the given request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function availablePivotActions(NovaRequest $request)
+    {
+        return $this->resolvePivotActions($request)
+                    ->authorizedToSeeOnIndex($request)
+                    ->values();
+    }
+
+    /**
+     * Get the "pivot" actions for the given request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return \Laravel\Nova\Actions\ActionCollection<int, \Laravel\Nova\Actions\Action>
+     */
+    public function resolvePivotActions(NovaRequest $request)
+    {
+        if ($request->viaRelationship()) {
+            return ActionCollection::make(
+                array_values($this->filter($this->getPivotActions($request)))
+            )->each->showOnIndex();
+        }
+
+        return ActionCollection::make();
+    }
+
+    /**
+     * Get the "pivot" actions for the given request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return array<int, \Laravel\Nova\Actions\Action>
+     */
+    protected function getPivotActions(NovaRequest $request)
+    {
+        $resource = Nova::resourceInstanceForKey($request->viaResource);
+
+        $field = $resource->availableFields($request)->first(function ($field) use ($request) {
+            return isset($field->resourceName) &&
+                   $field->resourceName == $request->resource &&
+                   ($field instanceof BelongsToMany || $field instanceof MorphToMany) &&
+                   $field->manyToManyRelationship === $request->viaRelationship;
+        });
+
+        if ($field && isset($field->actionsCallback)) {
+            return array_values(call_user_func($field->actionsCallback, $request));
+        }
+
+        return [];
+    }
+
+    /**
+     * Merge the default actions with the given actions.
+     *
+     * @param  array  $actions
+     * @return array<int, \Laravel\Nova\Actions\Action>
+     */
+    public static function defaultsWith(array $actions)
+    {
+        return array_merge(static::defaultActions(), $actions);
+    }
+
+    /**
+     * Return the default actions.
+     *
+     * @return array<int, \Laravel\Nova\Actions\Action>
+     */
+    public static function defaultActions()
+    {
+        return [
+            //
+        ];
+    }
+
+    /**
+     * Get the actions available on the entity.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return array
+     */
+    public function actions(NovaRequest $request)
+    {
+        return static::defaultsWith([
+            //
+        ]);
+    }
+}