wip datatables query

Author: nikuscs

src/Datatables/Concerns/HasResponse.php

@@ -3,20 +3,28 @@
 namespace Flavorly\VanillaComponents\Datatables\Concerns;
 
 use Closure;
+use Flavorly\VanillaComponents\Datatables\Columns\Column;
+use Flavorly\VanillaComponents\Datatables\Filters\Filter;
+use Flavorly\VanillaComponents\Datatables\Http\Payload\RequestPayload;
+use Flavorly\VanillaComponents\Datatables\Http\Resources\DatatableResource;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\Relation;
 use Laravel\Scout\Builder as ScoutBuilder;
+use Laravel\Scout\Searchable;
 
 trait InteractsWithQueryBuilder
 {
     protected Builder|ScoutBuilder|null|Closure $query = null;
 
+    protected RequestPayload $data;
+
     public function query(): mixed
     {
         return $this->query;
     }
 
-    public function getQuery()
+    protected function getQuery()
     {
         return $this->query;
     }
@@ -57,4 +65,109 @@ protected function resolveQueryOrModel(mixed $queryOrModel = null): Builder
         // Attempt to always get a query builder
         return $queryOrModel instanceof Builder ? $queryOrModel : $queryOrModel->query();
     }
+
+    protected function dispatchAction(): void
+    {
+        if (
+            $this->data->hasAction() &&
+            ($this->data->isAllSelected() || $this->data->hasSelectedRows())
+        ) {
+            // Execute the action
+            $this->data->getAction()->execute();
+        }
+    }
+
+    protected function applyQueryFilters(Builder $query, RequestPayload $payload): Builder
+    {
+        return $query->when($payload->hasFilters(), function (Builder $subQuery) use($payload){
+            // Each column that needs to be sorted
+            $payload
+                ->getFilters()
+                // Apply Sorting
+                ->each(fn (Filter $filter) => $filter->apply($subQuery, $filter->getName(), $filter->getValue()));
+            return $subQuery;
+        });
+    }
+
+    protected function applyQuerySorting(Builder $query, RequestPayload $payload): Builder
+    {
+        return $query->when($payload->hasSorting(), function (Builder $subQuery) use($payload) {
+            // Each column that needs to be sorted
+            $payload
+                ->getSorting()
+                ->each(fn (Column $column) => $subQuery->orderBy($column->getName(), $column->getSortDirection()));
+
+            return $subQuery;
+        });
+    }
+
+    protected function applySearch(Builder $query, RequestPayload $payload): Builder
+    {
+        $model = $this->getQuery()->getModel();
+        $usingScout = is_a($model, Searchable::class, true);
+
+        return $query
+            // Model is using Scout, we can use it.
+            ->when($usingScout && $payload->hasSearch(), function (Builder $subQuery) use($payload, $model) {
+                // Each column that needs to be sorted
+                /** @var Searchable $model */
+                $subQuery->whereIn('id', $model::search($this->data->getSearch())->keys());
+                return $subQuery;
+            })
+            // Without Scout
+            ->when(!$usingScout && $payload->hasSearch(), function (Builder $subQuery) use($payload) {
+                // Each column that needs to be sorted
+                $subQuery
+                    ->where(fn($query) => $this
+                        ->getColumns()
+                        ->each(fn (Column $column) => $query->orWhere($column->getName(), 'like', "%{$payload->getSearch()}%"))
+                    );
+                return $subQuery;
+            });
+    }
+
+    public function response(?Builder $queryOrModel = null): DatatableResource
+    {
+        // Create the data from the request payload
+        // First we need to infer the table.
+        $this->data = RequestPayload::make()
+            ->table($this)
+            ->fromRequest();
+
+        // Attempt to always get a query builder
+        if ($queryOrModel !== null) {
+            $this->withQuery($queryOrModel);
+        }
+
+        $query = tap($this->getQuery(), function(Builder $query) {
+            $query = $this->applyQueryFilters($query, $this->data);
+            $query = $this->applyQuerySorting($query, $this->data);
+            return $this->applySearch($query, $this->data);
+        });
+
+        $this->query = $query;
+
+        $paginatedQuery = $query->paginate($this->data->getPerPage());
+
+        // Append the query, because at this point we are done with it.
+        $this->data->withQuery($this->query);
+
+        // Dispatch the action
+        $this->dispatchAction();
+
+        $response = (new DatatableResource($paginatedQuery));
+
+        // Ensure we can transform the data that is being displayed
+        if (method_exists($this, 'transform')) {
+            $response->transformResponseUsing(fn ($record) => $this->transform($record));
+        }
+
+        // Ensure we can transform the data that is being displayed
+        $pagination = 3;
+        if (property_exists($this, 'paginationItems')) {
+            $pagination = $this->paginationItems;
+        }
+
+        return $response->rightSideMaximumPages($pagination);
+    }
 }

src/Datatables/Concerns/InteractsWithQueryBuilder.php

@@ -21,7 +21,6 @@ abstract class Datatable
     use Concerns\HasPrimaryKey;
     use Concerns\HasPageOptions;
     use Concerns\HasEndpoint;
-    use Concerns\HasResponse;
     use Concerns\HasOriginUrl;
     use Macroable;