add permission, datatable and file services

laravel/app/Facades/DataTable/DataTable.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace App\Facades\DataTable;
+
+use App\Services\DataTable\DataTableInput;
+use App\Services\DataTable\DataTableService;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Contracts\Database\Query\Builder;
+use Illuminate\Http\Request;
+use App\Services\DataTable\Exceptions\InvalidParameterInterface;
+
+class DataTable
+{
+    /**
+     * Extracts data from request, passes to datatable service and prepares data for response.
+     * @param Model|Builder $mixed
+     * @param Request $request
+     * @param array $allowedFilters
+     * @param array $allowedRelations
+     * @param array $allowedSortings
+     * @param array $allowedSelects
+     * @return array
+     * @throws InvalidParameterInterface if input parameters are invalid.
+     */
+    public function run(
+        Model|Builder $mixed,
+        Request       $request,
+        array         $allowedFilters = [],
+        array         $allowedRelations = [],
+        array         $allowedSortings = [],
+        array         $allowedSelects = [],
+        array         $allowedGroupBy = []
+    ): array
+    {
+
+        $filters = json_decode($request->filters);
+        $sorting = json_decode($request->sorting);
+        $rels = $request->rels ?: array();
+
+        $dataTableInput = new DataTableInput(
+            $request->start,
+            $request->size,
+            $filters,
+            $sorting,
+            $rels,
+            $allowedFilters,
+            $allowedSortings,
+            $allowedGroupBy
+        );
+
+        $query = $this->makeQueryFromModel($mixed);
+
+        $dataTableService = (new DataTableService($query, $dataTableInput))
+            ->setAllowedFilters($allowedFilters)
+            ->setAllowedRelations($allowedRelations)
+            ->setAllowedSortings($allowedSortings)
+            ->setAllowedSelects($allowedSelects)
+            ->setAllowedGroupBy($allowedGroupBy);
+
+        return $dataTableService->getData();
+    }
+
+    protected function makeQueryFromModel(Model|Builder $mixed): Builder
+    {
+        return ($mixed instanceof Model) ? $mixed->query() : $mixed;
+    }
+}

laravel/app/Facades/DataTable/DataTableFacade.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Facades\DataTable;
+
+use Illuminate\Support\Facades\Facade;
+
+class DataTableFacade extends Facade
+{
+    protected static function getFacadeAccessor()
+    {
+        return 'datatable';
+    }
+}

laravel/app/Facades/File/File.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace App\Facades\File;
+
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Http\File as HttpFile;
+use Illuminate\Http\UploadedFile;
+use Illuminate\Support\Str;
+
+class File
+{
+    public function save(HttpFile|UploadedFile $file, string $path, string $name = null, string $disk = 'public'): string
+    {
+        return Storage::disk($disk)->putFileAs(
+            $path,
+            $file,
+            $name ?? Str::uuid() . '.' . $file->extension()
+        );
+    }
+
+    /**
+     * @param string $filePath
+     * @param bool $url_is_absolute
+     * @param string $disk
+     * @return void
+     * @throws \InvalidArgumentException when filePath is empty.
+     */
+    public function delete(string $filePath, bool $url_is_absolute = false, string $disk = 'public'): void
+    {
+        if (!$filePath){
+            throw new \InvalidArgumentException('File path is invalid.');
+        }
+
+        if ($url_is_absolute) {
+            $needle = 'storage/';
+            $pos = strpos($filePath, $needle);
+            $filePath = substr($filePath, $pos + strlen($needle));
+        }
+
+        if (Storage::disk($disk)->exists($filePath)) {
+            Storage::disk($disk)->delete($filePath);
+        }
+    }
+
+    public function deleteContent($file_path): bool
+    {
+        if (file_exists($file_path)) {
+            file_put_contents($file_path, '');
+
+            return true;
+        }
+        return false;
+    }
+
+    public function tail($file_path, $lines = 100, $buffer = 2048): bool|string
+    {
+        // Open file
+        $file = @fopen($file_path, "rb");
+        if ($file === false) {
+            return false;
+        }
+
+        // Jump to last character
+        fseek($file, -1, SEEK_END);
+
+        // Read it and adjust line number if necessary
+        // (Otherwise the result would be wrong if file doesn't end with a blank line)
+        if (fread($file, 1) != "\n") {
+            $lines -= 1;
+        }
+
+        // Start reading
+        $output = '';
+        $chunk = '';
+
+        // While we would like more
+        while (ftell($file) > 0 && $lines >= 0) {
+
+            // Figure out how far back we should jump
+            $seek = min(ftell($file), $buffer);
+
+            // Do the jump (backwards, relative to where we are)
+            fseek($file, -$seek, SEEK_CUR);
+
+            // Read a chunk and prepend it to our output
+            $output = ($chunk = fread($file, $seek)) . $output;
+
+            // Jump back to where we started reading
+            fseek($file, -mb_strlen($chunk, '8bit'), SEEK_CUR);
+
+            // Decrease our line counter
+            $lines -= substr_count($chunk, "\n");
+        }
+
+        // While we have too many lines
+        // (Because of buffer size we might have read too many)
+        while ($lines++ < 0) {
+
+            // Find first newline and remove all text before that
+            $output = substr($output, strpos($output, "\n") + 1);
+        }
+
+        // Close file and return
+        fclose($file);
+        return trim($output);
+    }
+
+    public function deleteDirectory(string $path, string $disk = 'public'): void
+    {
+        Storage::disk($disk)->deleteDirectory($path);
+    }
+}

laravel/app/Facades/File/FileFacade.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Facades\File;
+
+use Illuminate\Support\Facades\Facade;
+
+class FileFacade extends Facade
+{
+    protected static function getFacadeAccessor(): string
+    {
+        return 'file';
+    }
+}

laravel/app/Models/Permission.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Spatie\Permission\Models\Permission as SpatiePermission;
+
+class Permission extends SpatiePermission
+{
+    use HasFactory;
+}

laravel/app/Models/User.php

@@ -6,10 +6,11 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
+use Spatie\Permission\Traits\HasRoles;
 
 class User extends Authenticatable
 {
-    use HasFactory, Notifiable;
+    use HasFactory, Notifiable, HasRoles;
 
     protected $guarded = [];
 

laravel/app/Providers/DataTableServiceProvider.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Providers;
+
+use App\Facades\DataTable\DataTable;
+use Illuminate\Support\ServiceProvider;
+
+class DataTableServiceProvider extends ServiceProvider
+{
+    /**
+     * Register services.
+     */
+    public function register(): void
+    {
+        $this->app->bind('datatable', function () {
+            return new DataTable();
+        });
+    }
+
+    /**
+     * Bootstrap services.
+     */
+    public function boot(): void
+    {
+        //
+    }
+}

laravel/app/Providers/FileServiceProvider.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Providers;
+
+use App\Facades\File\File;
+use Illuminate\Support\ServiceProvider;
+
+class FileServiceProvider extends ServiceProvider
+{
+    /**
+     * Register services.
+     */
+    public function register(): void
+    {
+        $this->app->bind('file', function () {
+            return new File();
+        });
+    }
+
+    /**
+     * Bootstrap services.
+     */
+    public function boot(): void
+    {
+        //
+    }
+}

laravel/app/Services/DataTable/DataTableInput.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace App\Services\DataTable;
+
+use App\Services\DataTable\Filter\Filter;
+use App\Services\DataTable\Sort\Sort;
+
+class DataTableInput
+{
+    /**
+     * @param int $start
+     * @param int $size
+     * @param array $filters
+     * @param array $sorting
+     * @param array $rels
+     */
+    public function __construct(
+        private ?int   $start,
+        private ?int   $size,
+        private array $filters,
+        private ?array $sorting,
+        private array $rels,
+        private array $allowedFilters,
+        private array $allowedSortings,
+        private ?array $GroupBy,
+    )
+    {
+    }
+
+    public function getStart(): ?int
+    {
+        return $this->start;
+    }
+
+    public function getSize(): ?int
+    {
+        return $this->size;
+    }
+
+    /**
+     * @return array returns an array of Filter objects
+     */
+    public function getFilters(): array
+    {
+        $filters = array();
+
+        foreach ($this->filters as $filter) {
+            $filters[] = new Filter(
+                $filter->id,
+                $filter->value,
+                $filter->fn,
+                $filter->datatype,
+                $this->allowedFilters
+            );
+        }
+
+        return $filters;
+    }
+
+    /**
+     * @return array
+     */
+    public function getSorting(): ?array
+    {
+        $sorts = [];
+        if (!empty($this->sorting)){
+            foreach ($this->sorting as $sort) {
+                $sorts[] =  new Sort($sort->id, $sort->desc, $this->allowedSortings);
+            }
+        }
+        return $sorts;
+    }
+
+    public function getRelations(): array
+    {
+        return $this->rels;
+    }
+
+    public function getGroupBy(): ?array
+    {
+        return $this->GroupBy;
+    }
+}

laravel/app/Services/DataTable/DataTableService.php

@@ -0,0 +1,128 @@
+<?php
+
+namespace App\Services\DataTable;
+
+use App\Services\DataTable\Filter\ApplyFilter;
+use App\Services\DataTable\Sort\ApplySort;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class DataTableService
+{
+
+    protected array $allowedFilters;
+    protected array $allowedRelations;
+    protected array $allowedSortings;
+    protected array $allowedSelects;
+    protected array $allowedGroupBy;
+    private int $totalRowCount;
+
+    public function __construct(
+        protected Builder      $query,
+        private DataTableInput $dataTableInput
+    )
+    {
+    }
+
+    public function setAllowedFilters(array $allowedFilters): DataTableService
+    {
+        $this->allowedFilters = $allowedFilters;
+        return $this;
+    }
+
+    public function setAllowedRelations(array $allowedRelations): DataTableService
+    {
+        $this->allowedRelations = $allowedRelations;
+        return $this;
+    }
+
+    public function setAllowedSortings(array $allowedSortings): DataTableService
+    {
+        $this->allowedSortings = $allowedSortings;
+        return $this;
+    }
+
+    public function setAllowedSelects(array $allowedSelects): DataTableService
+    {
+        $this->allowedSelects = $allowedSelects;
+        return $this;
+    }
+
+    public function setAllowedGroupBy(array $allowedGroupBy): DataTableService
+    {
+        $this->allowedGroupBy = $allowedGroupBy;
+        return $this;
+    }
+
+    /**
+     * Handle 'getData' operations
+     * @return array
+     */
+    public function getData(): array
+    {
+        $query = $this->buildQuery();
+        $data = $query->get();
+
+        return array(
+            'data' => $data,
+            'meta' => [
+                'totalRowCount' => $this->totalRowCount
+            ]
+        );
+    }
+
+    protected function buildQuery(): Builder
+    {
+        $query = $this->query;
+
+        foreach ($this->dataTableInput->getFilters() as $filter) {
+            $query = (new ApplyFilter($query, $filter))->apply();
+        }
+
+        $query = $this->applySelect($query, $this->allowedSelects);
+        $query = $this->includeRelationsInQuery($query, $this->allowedRelations);
+        $query = $this->applyGroupBy($query, $this->allowedGroupBy);
+
+        $this->totalRowCount = $query->count();
+
+        if (!is_null($this->dataTableInput->getStart())) {
+            $query->offset($this->dataTableInput->getStart());
+        }
+
+        if(!is_null($this->dataTableInput->getSize())){
+            $query->limit($this->dataTableInput->getSize());
+        }
+
+        $sorting = $this->dataTableInput->getSorting();
+        foreach ($sorting as $sort){
+            $query = (new ApplySort($query, $sort))->apply();
+        }
+
+        return $query;
+    }
+
+    protected function applySelect(Builder $query, array $selectedFields): Builder
+    {
+        if (!empty($selectedFields)) {
+            $query->select($selectedFields);
+        }
+
+        return $query;
+    }
+
+    protected function applyGroupBy(Builder $query, array $groupBy): Builder
+    {
+        return empty($groupBy) ? $query : $query->groupBy($groupBy);
+    }
+
+    protected function includeRelationsInQuery(Builder $query, array $rels): Builder
+    {
+        if (!empty($rels)) {
+            $query->with($rels);
+        }
+
+        return $query;
+    }
+
+    // (later) define mapping of relation names to prevent relation name expose.
+    // (later) define mapping of column names to prevent column name expose.
+}

laravel/app/Services/DataTable/Enums/DataType.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Services\DataTable\Enums;
+
+enum DataType: string
+{
+    case NUMERIC = 'numeric';
+    case TEXT = 'text';
+    case DATE = 'date';
+
+    public static function values(): array
+    {
+       return array_column(self::cases(), 'value');
+    }
+}

laravel/app/Services/DataTable/Enums/SearchType.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Services\DataTable\Enums;
+
+enum SearchType: string
+{
+    case CONTAINS = 'contains';
+    case EQUALS = 'equals';
+    case NOT_EQUALS = 'notEquals';
+    case BETWEEN = 'between';
+    case GREATER_THAN = 'greaterThan';
+    case LESS_THAN = 'lessThan';
+    case FUZZY = 'fuzzy';
+
+    public static function values(): array
+    {
+       return array_column(self::cases(), 'value');
+    }
+}

laravel/app/Services/DataTable/Exceptions/InvalidFilterException.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Services\DataTable\Exceptions;
+
+use Exception;
+
+class InvalidFilterException extends Exception implements InvalidParameterInterface
+{
+    protected $fieldName;
+
+    public function __construct($fieldName, $message = "", $code = 400, \Throwable $previous = null)
+    {
+        $this->fieldName = $fieldName;
+        parent::__construct($message, $code, $previous);
+    }
+
+    public function getFieldName()
+    {
+        return $this->fieldName;
+    }
+}

laravel/app/Services/DataTable/Exceptions/InvalidParameterInterface.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace App\Services\DataTable\Exceptions;
+
+interface InvalidParameterInterface
+{
+}

laravel/app/Services/DataTable/Exceptions/InvalidRelationException.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Services\DataTable\Exceptions;
+
+use Exception;
+
+class InvalidRelationException extends Exception implements InvalidParameterInterface
+{
+    protected $fieldName;
+
+    public function __construct($fieldName, $message = "", $code = 400, \Throwable $previous = null)
+    {
+        $this->fieldName = $fieldName;
+        parent::__construct($message, $code, $previous);
+    }
+
+    public function getFieldName()
+    {
+        return $this->fieldName;
+    }
+}

laravel/app/Services/DataTable/Exceptions/InvalidSortingException.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Services\DataTable\Exceptions;
+
+use Exception;
+
+class InvalidSortingException extends Exception implements InvalidParameterInterface
+{
+    protected $fieldName;
+
+    public function __construct($fieldName, $message = "", $code = 400, \Throwable $previous = null)
+    {
+        $this->fieldName = $fieldName;
+        parent::__construct($message, $code, $previous);
+    }
+
+    public function getFieldName()
+    {
+        return $this->fieldName;
+    }
+}

laravel/app/Services/DataTable/Filter/ApplyFilter.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace App\Services\DataTable\Filter;
+
+use App\Services\DataTable\Enums\SearchType;
+use App\Services\DataTable\Exceptions\InvalidFilterException;
+use App\Services\DataTable\Filter\SearchFunctions\FilterBetween;
+use App\Services\DataTable\Filter\SearchFunctions\FilterContains;
+use App\Services\DataTable\Filter\SearchFunctions\FilterEquals;
+use App\Services\DataTable\Filter\SearchFunctions\FilterGreaterThan;
+use App\Services\DataTable\Filter\SearchFunctions\FilterLessThan;
+use App\Services\DataTable\Filter\SearchFunctions\FilterNotEquals;
+use App\Services\DataTable\Filter\SearchFunctions\SearchFilter;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class ApplyFilter
+{
+    private SearchFilter $searchFilter;
+
+    /**
+     * @param Builder $query
+     * @param Filter $filter
+     */
+    public function __construct(
+        private Builder $query,
+        private Filter  $filter,
+    )
+    {
+    }
+
+    public function apply(): Builder
+    {
+        $filter = $this->filter;
+        $query = $this->query;
+
+        $searchType = SearchType::from($filter->getFn());
+        switch ($searchType) {
+            case SearchType::CONTAINS:
+                $this->searchFilter = new FilterContains($query, $filter);
+                break;
+
+            case SearchType::EQUALS:
+                $this->searchFilter = new FilterEquals($query, $filter);
+                break;
+
+            case SearchType::NOT_EQUALS:
+                $this->searchFilter = new FilterNotEquals($query, $filter);
+                break;
+
+            case SearchType::BETWEEN:
+                $this->searchFilter = new FilterBetween($query, $filter);
+                break;
+
+            case SearchType::GREATER_THAN:
+                $this->searchFilter = new FilterGreaterThan($query, $filter);
+                break;
+
+            case SearchType::LESS_THAN:
+                $this->searchFilter = new FilterLessThan($query, $filter);
+                break;
+
+            default:
+                $searchFunction = $filter->getFn();
+                throw new InvalidFilterException($searchFunction, "search function `$searchFunction` is invalid.");
+
+        }
+
+        $relation = $this->filter->getRelation();
+        return method_exists($this->query->getModel(), $relation) ? $this->applyFilterToRelation($relation) : $this->searchFilter->apply();
+    }
+
+    protected function applyFilterToRelation(string $relation): Builder
+    {
+        return $this->query->whereHas($relation, function (Builder $query) {
+            $this->filter->removeRelationFromId();
+            $this->applyFilter($query, $this->filter);
+        });
+    }
+
+    private function applyFilter(Builder $query, Filter $filter): Builder
+    {
+        return (new ApplyFilter($query, $filter))->apply();
+    }
+}

laravel/app/Services/DataTable/Filter/Filter.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Services\DataTable\Filter;
+
+use App\Services\DataTable\Validators\FilterValidator;
+
+class Filter
+{
+    private static FilterValidator $filterValidator;
+
+    /**
+     * @param string $id
+     * @param string|int|array $value
+     * @param string $fn
+     * @param string $datatype
+     * @param array $allowedFilters
+     * @throws \App\Services\DataTable\Exceptions\InvalidFilterException
+     */
+    public function __construct(
+        private string           $id,
+        private string|int|array $value,
+        private string           $fn,
+        private string           $datatype,
+        private array $allowedFilters
+    )
+    {
+        self::$filterValidator = FilterValidator::getInstance();
+        self::$filterValidator->isValid($this, $this->allowedFilters);
+    }
+
+    public function getId(): string
+    {
+        return $this->id;
+    }
+
+    public function getValue(): array|int|string
+    {
+        return $this->value;
+    }
+
+    public function getFn(): string
+    {
+        return $this->fn;
+    }
+
+    public function getDatatype(): string
+    {
+        return $this->datatype;
+    }
+
+    public function getRelation(): string
+    {
+        $fieldArray = explode('.', $this->id);
+        return count($fieldArray) > 1 ? $fieldArray[0] : '';
+    }
+
+    public function getColumn(): string
+    {
+        $fieldArray = explode('.', $this->id);
+        return array_pop($fieldArray);
+    }
+
+    public function removeRelationFromId(): void
+    {
+        $this->id = $this->getColumn();
+    }
+
+    public function setValue(int|array|string $value): void
+    {
+        $this->value = $value;
+    }
+
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterBetween.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterBetween extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $query = $this->query;
+        [$minVal, $maxVal] = $this->filter->getValue();
+
+        if ($minVal) {
+            if ($this->filter->getDatatype() == "date") {
+                $minVal = $minVal . " 00:00:00";
+            }
+            $this->filter->setValue($minVal);
+            $query = (new FilterGreaterThanOrEqual($this->query, $this->filter))->apply();
+        }
+
+        if ($maxVal) {
+            if ($this->filter->getDatatype() == "date") {
+                $maxVal = $maxVal . " 23:59:59";
+            }
+            $this->filter->setValue($maxVal);
+            $query = (new FilterLessThanOrEqual($this->query, $this->filter))->apply();
+        }
+
+        return $query;
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterContains.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Enums\DataType;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterContains extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $column = $this->filter->getId();
+        $value = '%' . $this->filter->getValue() . '%';
+
+        if ($this->filter->getDatatype() == DataType::TEXT->value) {
+            $query = $this->searchIgnoreCase($column, $value);
+
+        } else {
+            $query = $this->query->where($column, 'LIKE', $value);
+        }
+
+        return $query;
+    }
+
+    private function searchIgnoreCase(string $column, string $value): Builder
+    {
+        $value = strtolower($value);
+        return $this->query->whereRaw("LOWER($column) LIKE ?", [$value]);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterEquals.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Enums\DataType;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterEquals extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $column = $this->filter->getId();
+        $value = $this->filter->getValue();
+
+        if ($this->filter->getDatatype() == DataType::TEXT->value) {
+            $query = $this->searchIgnoreCase($column, $value);
+        } else {
+            $query = $this->query->where($column, $value);
+        }
+
+        return $query;
+    }
+
+    private function searchIgnoreCase(string $column, string $value): Builder
+    {
+        $value = strtolower($value);
+        return $this->query->whereRaw("LOWER($column) = ?", [$value]);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterGreaterThan.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Enums\DataType;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterGreaterThan extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $value = ($this->filter->getDatatype() == DataType::NUMERIC) ?
+            (float)$this->filter->getValue() : $this->filter->getValue();
+
+        return $this->query->where($this->filter->getId(), '>', $value);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterGreaterThanOrEqual.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Enums\DataType;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterGreaterThanOrEqual extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $value = ($this->filter->getDatatype() == DataType::NUMERIC) ?
+            (float)$this->filter->getValue() : $this->filter->getValue();
+
+        return $this->query->where($this->filter->getId(), '>=', $value);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterLessThan.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Enums\DataType;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterLessThan extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $value = ($this->filter->getDatatype() == DataType::NUMERIC) ?
+            (float)$this->filter->getValue() : $this->filter->getValue();
+
+        return $this->query->where($this->filter->getId(), '<', $value);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterLessThanOrEqual.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Enums\DataType;
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterLessThanOrEqual extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $value = ($this->filter->getDatatype() == DataType::NUMERIC) ?
+            (float)$this->filter->getValue() : $this->filter->getValue();
+
+        return $this->query->where($this->filter->getId(), '<=', $value);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/FilterNotEquals.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use Illuminate\Contracts\Database\Query\Builder;
+
+class FilterNotEquals extends SearchFilter
+{
+
+    public function apply(): Builder
+    {
+        $column = $this->filter->getId();
+        $value = $this->filter->getValue();
+
+        return $this->query->whereNot($column, $value);
+    }
+}

laravel/app/Services/DataTable/Filter/SearchFunctions/SearchFilter.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Services\DataTable\Filter\SearchFunctions;
+
+use App\Services\DataTable\Filter\Filter;
+use Illuminate\Contracts\Database\Query\Builder;
+
+abstract class SearchFilter
+{
+    /**
+     * @param Builder $query
+     * @param Filter $filter
+     */
+    public function __construct(
+        protected Builder $query,
+        protected Filter  $filter,
+    )
+    {
+    }
+
+    abstract public function apply(): Builder;
+}

laravel/app/Services/DataTable/Sort/ApplySort.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Services\DataTable\Sort;
+
+use Illuminate\Contracts\Database\Query\Builder;
+
+class ApplySort
+{
+
+    /**
+     * @param Builder $query
+     * @param ?Sort $sort
+     */
+    public function __construct(
+        private Builder $query,
+        private ?Sort    $sort,
+    )
+    {
+    }
+
+    public function apply(): Builder
+    {
+        $query = $this->query;
+
+        if (!is_null($this->sort)) {
+            $query->orderBy($this->sort->getId(), $this->sort->getDirection());
+        }
+
+        return $query;
+    }
+}

laravel/app/Services/DataTable/Sort/Sort.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Services\DataTable\Sort;
+
+use App\Services\DataTable\Validators\SortingValidator;
+
+class Sort
+{
+    private static SortingValidator $sortingValidator;
+
+    /**
+     * @param string $id
+     * @param bool $desc
+     * @param array $allowedSortings
+     * @throws \App\Services\DataTable\Exceptions\InvalidSortingException
+     */
+    public function __construct(
+        private string $id,
+        private bool   $desc,
+        private array $allowedSortings,
+    )
+    {
+        self::$sortingValidator = SortingValidator::getInstance();
+        self::$sortingValidator->isValid($this, $this->allowedSortings);
+    }
+
+    /**
+     * @return string
+     */
+    public function getId(): string
+    {
+        return $this->id;
+    }
+
+    public function getDirection(): string
+    {
+        return $this->desc === true ? 'desc' : 'asc';
+    }
+}

laravel/app/Services/DataTable/Validators/FilterValidator.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Services\DataTable\Validators;
+
+use App\Services\DataTable\Enums\SearchType;
+use App\Services\DataTable\Enums\DataType;
+use App\Services\DataTable\Exceptions\InvalidFilterException;
+use App\Services\DataTable\Filter\Filter;
+
+class FilterValidator
+{
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function getInstance(): FilterValidator
+    {
+        if (!isset(self::$instance)) {
+            self::$instance = new static();
+        }
+
+        return self::$instance;
+    }
+
+    public function isValid(Filter $filter, array $allowedFilters): bool
+    {
+        if (!$this->isAllowed($filter, $allowedFilters)) {
+            $filterId = $filter->getId();
+            throw new InvalidFilterException($filter->getId(), "filtering field `$filterId` is not allowed.");
+        }
+
+        if (!$this->isValidSearchFunction($filter)) {
+            $searchFunction = $filter->getFn();
+            throw new InvalidFilterException($searchFunction, "search function `$searchFunction` is invalid.");
+        }
+
+        if ($this->isValidDataType($filter) == -1) {
+            throw new InvalidFilterException(null, "datatype property is not set in `filters` array.");
+        }
+
+        if (!$this->isValidDataType($filter)) {
+            $datatype = $filter->getDatatype();
+            throw new InvalidFilterException($datatype, "datatype `$datatype` is invalid.");
+        }
+
+        return true;
+    }
+
+    protected function isAllowed(Filter $filter, array $allowedFilters): bool
+    {
+        return $allowedFilters == ['*'] || in_array($filter->getId(), $allowedFilters);
+    }
+
+    protected function isValidSearchFunction(Filter $filter): bool
+    {
+        $searchFunction = $filter->getFn();
+        return isset($searchFunction) && in_array($searchFunction, SearchType::values());
+    }
+
+    protected function isValidDataType(Filter $filter): int
+    {
+        if (!property_exists($filter, 'datatype'))
+            return -1;
+
+        return $filter->getDatatype() && in_array($filter->getDatatype(), DataType::values()) ? 1 : 0;
+    }
+}

laravel/app/Services/DataTable/Validators/RelationValidator.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Services\DataTable\Validators;
+
+use App\Services\DataTable\Exceptions\InvalidRelationException;
+
+class RelationValidator
+{
+    public static function validate(?array $rels, array $allowedRelations): bool
+    {
+        foreach ($rels as $relation) {
+
+            if (!self::isAllowed($relation, $allowedRelations)) {
+                throw new InvalidRelationException($relation, "relation `$relation` is not allowed.");
+            }
+        }
+
+        return true;
+    }
+
+    public static function isAllowed(string $relation, array $allowedRelations): bool
+    {
+        return !$relation || in_array($relation, $allowedRelations);
+    }
+}

laravel/app/Services/DataTable/Validators/SortingValidator.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Services\DataTable\Validators;
+
+use App\Services\DataTable\Exceptions\InvalidSortingException;
+use App\Services\DataTable\Sort\Sort;
+
+class SortingValidator
+{
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function getInstance(): SortingValidator
+    {
+        if (!isset(self::$instance)) {
+            self::$instance = new static();
+        }
+
+        return self::$instance;
+    }
+
+    public function isValid(Sort $sorting, array $allowedSortings): bool
+    {
+        if (!$this->isAllowed($sorting, $allowedSortings)) {
+            $sortId = $sorting->getId();
+            throw new InvalidSortingException($sortId, "sorting field `$sortId` is not allowed.");
+        }
+
+        return true;
+    }
+
+    protected function isAllowed(Sort $sorting, array $allowedSortings): bool
+    {
+        return $allowedSortings == ['*'] || in_array($sorting->getId(), $allowedSortings);
+    }
+}

laravel/bootstrap/providers.php

@@ -2,4 +2,6 @@
 
 return [
     App\Providers\AppServiceProvider::class,
+    App\Providers\DataTableServiceProvider::class,
+    App\Providers\FileServiceProvider::class,
 ];

laravel/composer.json

@@ -12,7 +12,8 @@
         "php": "^8.2",
         "laravel/framework": "^12.0",
         "laravel/sanctum": "^4.0",
-        "laravel/tinker": "^2.10.1"
+        "laravel/tinker": "^2.10.1",
+        "spatie/laravel-permission": "^6.17"
     },
     "require-dev": {
         "fakerphp/faker": "^1.23",

laravel/composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "85c1d2065f70e38b0d6bf66559fb13c5",
+    "content-hash": "c6435e4e604560a7d58c57b5d1bd2d63",
     "packages": [
         {
             "name": "brick/math",
@@ -3350,6 +3350,89 @@
             ],
             "time": "2024-04-27T21:32:50+00:00"
         },
+        {
+            "name": "spatie/laravel-permission",
+            "version": "6.17.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/spatie/laravel-permission.git",
+                "reference": "02ada8f638b643713fa2fb543384738e27346ddb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/spatie/laravel-permission/zipball/02ada8f638b643713fa2fb543384738e27346ddb",
+                "reference": "02ada8f638b643713fa2fb543384738e27346ddb",
+                "shasum": ""
+            },
+            "require": {
+                "illuminate/auth": "^8.12|^9.0|^10.0|^11.0|^12.0",
+                "illuminate/container": "^8.12|^9.0|^10.0|^11.0|^12.0",
+                "illuminate/contracts": "^8.12|^9.0|^10.0|^11.0|^12.0",
+                "illuminate/database": "^8.12|^9.0|^10.0|^11.0|^12.0",
+                "php": "^8.0"
+            },
+            "require-dev": {
+                "laravel/passport": "^11.0|^12.0",
+                "laravel/pint": "^1.0",
+                "orchestra/testbench": "^6.23|^7.0|^8.0|^9.0|^10.0",
+                "phpunit/phpunit": "^9.4|^10.1|^11.5"
+            },
+            "type": "library",
+            "extra": {
+                "laravel": {
+                    "providers": [
+                        "Spatie\\Permission\\PermissionServiceProvider"
+                    ]
+                },
+                "branch-alias": {
+                    "dev-main": "6.x-dev",
+                    "dev-master": "6.x-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/helpers.php"
+                ],
+                "psr-4": {
+                    "Spatie\\Permission\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Freek Van der Herten",
+                    "email": "freek@spatie.be",
+                    "homepage": "https://spatie.be",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Permission handling for Laravel 8.0 and up",
+            "homepage": "https://github.com/spatie/laravel-permission",
+            "keywords": [
+                "acl",
+                "laravel",
+                "permission",
+                "permissions",
+                "rbac",
+                "roles",
+                "security",
+                "spatie"
+            ],
+            "support": {
+                "issues": "https://github.com/spatie/laravel-permission/issues",
+                "source": "https://github.com/spatie/laravel-permission/tree/6.17.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/spatie",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-04-08T15:06:14+00:00"
+        },
         {
             "name": "symfony/clock",
             "version": "v7.2.0",

laravel/config/permission.php

@@ -0,0 +1,202 @@
+<?php
+
+return [
+
+    'models' => [
+
+        /*
+         * When using the "HasPermissions" trait from this package, we need to know which
+         * Eloquent model should be used to retrieve your permissions. Of course, it
+         * is often just the "Permission" model but you may use whatever you like.
+         *
+         * The model you want to use as a Permission model needs to implement the
+         * `Spatie\Permission\Contracts\Permission` contract.
+         */
+
+        'permission' => Spatie\Permission\Models\Permission::class,
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         * Eloquent model should be used to retrieve your roles. Of course, it
+         * is often just the "Role" model but you may use whatever you like.
+         *
+         * The model you want to use as a Role model needs to implement the
+         * `Spatie\Permission\Contracts\Role` contract.
+         */
+
+        'role' => Spatie\Permission\Models\Role::class,
+
+    ],
+
+    'table_names' => [
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         * table should be used to retrieve your roles. We have chosen a basic
+         * default value but you may easily change it to any table you like.
+         */
+
+        'roles' => 'roles',
+
+        /*
+         * When using the "HasPermissions" trait from this package, we need to know which
+         * table should be used to retrieve your permissions. We have chosen a basic
+         * default value but you may easily change it to any table you like.
+         */
+
+        'permissions' => 'permissions',
+
+        /*
+         * When using the "HasPermissions" trait from this package, we need to know which
+         * table should be used to retrieve your models permissions. We have chosen a
+         * basic default value but you may easily change it to any table you like.
+         */
+
+        'model_has_permissions' => 'model_has_permissions',
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         * table should be used to retrieve your models roles. We have chosen a
+         * basic default value but you may easily change it to any table you like.
+         */
+
+        'model_has_roles' => 'model_has_roles',
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         * table should be used to retrieve your roles permissions. We have chosen a
+         * basic default value but you may easily change it to any table you like.
+         */
+
+        'role_has_permissions' => 'role_has_permissions',
+    ],
+
+    'column_names' => [
+        /*
+         * Change this if you want to name the related pivots other than defaults
+         */
+        'role_pivot_key' => null, // default 'role_id',
+        'permission_pivot_key' => null, // default 'permission_id',
+
+        /*
+         * Change this if you want to name the related model primary key other than
+         * `model_id`.
+         *
+         * For example, this would be nice if your primary keys are all UUIDs. In
+         * that case, name this `model_uuid`.
+         */
+
+        'model_morph_key' => 'model_id',
+
+        /*
+         * Change this if you want to use the teams feature and your related model's
+         * foreign key is other than `team_id`.
+         */
+
+        'team_foreign_key' => 'team_id',
+    ],
+
+    /*
+     * When set to true, the method for checking permissions will be registered on the gate.
+     * Set this to false if you want to implement custom logic for checking permissions.
+     */
+
+    'register_permission_check_method' => true,
+
+    /*
+     * When set to true, Laravel\Octane\Events\OperationTerminated event listener will be registered
+     * this will refresh permissions on every TickTerminated, TaskTerminated and RequestTerminated
+     * NOTE: This should not be needed in most cases, but an Octane/Vapor combination benefited from it.
+     */
+    'register_octane_reset_listener' => false,
+
+    /*
+     * Events will fire when a role or permission is assigned/unassigned:
+     * \Spatie\Permission\Events\RoleAttached
+     * \Spatie\Permission\Events\RoleDetached
+     * \Spatie\Permission\Events\PermissionAttached
+     * \Spatie\Permission\Events\PermissionDetached
+     *
+     * To enable, set to true, and then create listeners to watch these events.
+     */
+    'events_enabled' => false,
+
+    /*
+     * Teams Feature.
+     * When set to true the package implements teams using the 'team_foreign_key'.
+     * If you want the migrations to register the 'team_foreign_key', you must
+     * set this to true before doing the migration.
+     * If you already did the migration then you must make a new migration to also
+     * add 'team_foreign_key' to 'roles', 'model_has_roles', and 'model_has_permissions'
+     * (view the latest version of this package's migration file)
+     */
+
+    'teams' => false,
+
+    /*
+     * The class to use to resolve the permissions team id
+     */
+    'team_resolver' => \Spatie\Permission\DefaultTeamResolver::class,
+
+    /*
+     * Passport Client Credentials Grant
+     * When set to true the package will use Passports Client to check permissions
+     */
+
+    'use_passport_client_credentials' => false,
+
+    /*
+     * When set to true, the required permission names are added to exception messages.
+     * This could be considered an information leak in some contexts, so the default
+     * setting is false here for optimum safety.
+     */
+
+    'display_permission_in_exception' => false,
+
+    /*
+     * When set to true, the required role names are added to exception messages.
+     * This could be considered an information leak in some contexts, so the default
+     * setting is false here for optimum safety.
+     */
+
+    'display_role_in_exception' => false,
+
+    /*
+     * By default wildcard permission lookups are disabled.
+     * See documentation to understand supported syntax.
+     */
+
+    'enable_wildcard_permission' => false,
+
+    /*
+     * The class to use for interpreting wildcard permissions.
+     * If you need to modify delimiters, override the class and specify its name here.
+     */
+    // 'permission.wildcard_permission' => Spatie\Permission\WildcardPermission::class,
+
+    /* Cache-specific settings */
+
+    'cache' => [
+
+        /*
+         * By default all permissions are cached for 24 hours to speed up performance.
+         * When permissions or roles are updated the cache is flushed automatically.
+         */
+
+        'expiration_time' => \DateInterval::createFromDateString('24 hours'),
+
+        /*
+         * The cache key used to store all permissions.
+         */
+
+        'key' => 'spatie.permission.cache',
+
+        /*
+         * You may optionally indicate a specific cache driver to use for permission and
+         * role caching using any of the `store` drivers listed in the cache.php config
+         * file. Using 'default' here means to use the `default` set in cache.php.
+         */
+
+        'store' => 'default',
+    ],
+];

laravel/database/factories/PermissionFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Permission>
+ */
+class PermissionFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            //
+        ];
+    }
+}

laravel/database/migrations/2025_04_29_095539_create_permission_tables.php

@@ -0,0 +1,140 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $teams = config('permission.teams');
+        $tableNames = config('permission.table_names');
+        $columnNames = config('permission.column_names');
+        $pivotRole = $columnNames['role_pivot_key'] ?? 'role_id';
+        $pivotPermission = $columnNames['permission_pivot_key'] ?? 'permission_id';
+
+        if (empty($tableNames)) {
+            throw new \Exception('Error: config/permission.php not loaded. Run [php artisan config:clear] and try again.');
+        }
+        if ($teams && empty($columnNames['team_foreign_key'] ?? null)) {
+            throw new \Exception('Error: team_foreign_key on config/permission.php not loaded. Run [php artisan config:clear] and try again.');
+        }
+
+        Schema::create($tableNames['permissions'], static function (Blueprint $table) {
+            // $table->engine('InnoDB');
+            $table->bigIncrements('id'); // permission id
+            $table->string('name');       // For MyISAM use string('name', 225); // (or 166 for InnoDB with Redundant/Compact row format)
+            $table->string('guard_name'); // For MyISAM use string('guard_name', 25);
+            $table->timestamps();
+
+            $table->unique(['name', 'guard_name']);
+        });
+
+        Schema::create($tableNames['roles'], static function (Blueprint $table) use ($teams, $columnNames) {
+            // $table->engine('InnoDB');
+            $table->bigIncrements('id'); // role id
+            if ($teams || config('permission.testing')) { // permission.testing is a fix for sqlite testing
+                $table->unsignedBigInteger($columnNames['team_foreign_key'])->nullable();
+                $table->index($columnNames['team_foreign_key'], 'roles_team_foreign_key_index');
+            }
+            $table->string('name');       // For MyISAM use string('name', 225); // (or 166 for InnoDB with Redundant/Compact row format)
+            $table->string('guard_name'); // For MyISAM use string('guard_name', 25);
+            $table->timestamps();
+            if ($teams || config('permission.testing')) {
+                $table->unique([$columnNames['team_foreign_key'], 'name', 'guard_name']);
+            } else {
+                $table->unique(['name', 'guard_name']);
+            }
+        });
+
+        Schema::create($tableNames['model_has_permissions'], static function (Blueprint $table) use ($tableNames, $columnNames, $pivotPermission, $teams) {
+            $table->unsignedBigInteger($pivotPermission);
+
+            $table->string('model_type');
+            $table->unsignedBigInteger($columnNames['model_morph_key']);
+            $table->index([$columnNames['model_morph_key'], 'model_type'], 'model_has_permissions_model_id_model_type_index');
+
+            $table->foreign($pivotPermission)
+                ->references('id') // permission id
+                ->on($tableNames['permissions'])
+                ->onDelete('cascade');
+            if ($teams) {
+                $table->unsignedBigInteger($columnNames['team_foreign_key']);
+                $table->index($columnNames['team_foreign_key'], 'model_has_permissions_team_foreign_key_index');
+
+                $table->primary([$columnNames['team_foreign_key'], $pivotPermission, $columnNames['model_morph_key'], 'model_type'],
+                    'model_has_permissions_permission_model_type_primary');
+            } else {
+                $table->primary([$pivotPermission, $columnNames['model_morph_key'], 'model_type'],
+                    'model_has_permissions_permission_model_type_primary');
+            }
+
+        });
+
+        Schema::create($tableNames['model_has_roles'], static function (Blueprint $table) use ($tableNames, $columnNames, $pivotRole, $teams) {
+            $table->unsignedBigInteger($pivotRole);
+
+            $table->string('model_type');
+            $table->unsignedBigInteger($columnNames['model_morph_key']);
+            $table->index([$columnNames['model_morph_key'], 'model_type'], 'model_has_roles_model_id_model_type_index');
+
+            $table->foreign($pivotRole)
+                ->references('id') // role id
+                ->on($tableNames['roles'])
+                ->onDelete('cascade');
+            if ($teams) {
+                $table->unsignedBigInteger($columnNames['team_foreign_key']);
+                $table->index($columnNames['team_foreign_key'], 'model_has_roles_team_foreign_key_index');
+
+                $table->primary([$columnNames['team_foreign_key'], $pivotRole, $columnNames['model_morph_key'], 'model_type'],
+                    'model_has_roles_role_model_type_primary');
+            } else {
+                $table->primary([$pivotRole, $columnNames['model_morph_key'], 'model_type'],
+                    'model_has_roles_role_model_type_primary');
+            }
+        });
+
+        Schema::create($tableNames['role_has_permissions'], static function (Blueprint $table) use ($tableNames, $pivotRole, $pivotPermission) {
+            $table->unsignedBigInteger($pivotPermission);
+            $table->unsignedBigInteger($pivotRole);
+
+            $table->foreign($pivotPermission)
+                ->references('id') // permission id
+                ->on($tableNames['permissions'])
+                ->onDelete('cascade');
+
+            $table->foreign($pivotRole)
+                ->references('id') // role id
+                ->on($tableNames['roles'])
+                ->onDelete('cascade');
+
+            $table->primary([$pivotPermission, $pivotRole], 'role_has_permissions_permission_id_role_id_primary');
+        });
+
+        app('cache')
+            ->store(config('permission.cache.store') != 'default' ? config('permission.cache.store') : null)
+            ->forget(config('permission.cache.key'));
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        $tableNames = config('permission.table_names');
+
+        if (empty($tableNames)) {
+            throw new \Exception('Error: config/permission.php not found and defaults could not be merged. Please publish the package configuration before proceeding, or drop the tables manually.');
+        }
+
+        Schema::drop($tableNames['role_has_permissions']);
+        Schema::drop($tableNames['model_has_roles']);
+        Schema::drop($tableNames['model_has_permissions']);
+        Schema::drop($tableNames['roles']);
+        Schema::drop($tableNames['permissions']);
+    }
+};

laravel/database/seeders/PermissionSeeder.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class PermissionSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        //
+    }
+}