handle slugs in persistent data manager

composer.json

@@ -6,7 +6,8 @@
   "require": {
     "vlucas/phpdotenv": "^5.5",
     "symfony/console": "^5.4",
-    "phpmailer/phpmailer": "^6.8"
+    "phpmailer/phpmailer": "^6.8",
+    "cocur/slugify": "^4.3"
   },
   "require-dev": {
     "phpunit/phpunit": "^9.6",

composer.lock

@@ -4,8 +4,82 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "079e8a8443fdc25cbe3b03322494b73b",
+    "content-hash": "d873b245eaaf660d70c21e06ee4bcf0a",
     "packages": [
+        {
+            "name": "cocur/slugify",
+            "version": "v4.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/cocur/slugify.git",
+                "reference": "652234ef5f1be844a2ae1c36ad1b4c88b05160f9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/cocur/slugify/zipball/652234ef5f1be844a2ae1c36ad1b4c88b05160f9",
+                "reference": "652234ef5f1be844a2ae1c36ad1b4c88b05160f9",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "php": "^7.1 || ~8.0.0 || ~8.1.0 || ~8.2.0"
+            },
+            "conflict": {
+                "symfony/config": "<3.4 || >=4,<4.3",
+                "symfony/dependency-injection": "<3.4 || >=4,<4.3",
+                "symfony/http-kernel": "<3.4 || >=4,<4.3",
+                "twig/twig": "<2.12.1"
+            },
+            "require-dev": {
+                "laravel/framework": "^5.0|^6.0|^7.0|^8.0",
+                "latte/latte": "~2.2",
+                "league/container": "^2.2.0",
+                "mikey179/vfsstream": "~1.6.8",
+                "mockery/mockery": "^1.3",
+                "nette/di": "~2.4",
+                "pimple/pimple": "~1.1",
+                "plumphp/plum": "~0.1",
+                "symfony/config": "^3.4 || ^4.3 || ^5.0 || ^6.0",
+                "symfony/dependency-injection": "^3.4 || ^4.3 || ^5.0 || ^6.0",
+                "symfony/http-kernel": "^3.4 || ^4.3 || ^5.0 || ^6.0",
+                "symfony/phpunit-bridge": "^5.4 || ^6.0",
+                "twig/twig": "^2.12.1 || ~3.0",
+                "zendframework/zend-modulemanager": "~2.2",
+                "zendframework/zend-servicemanager": "~2.2",
+                "zendframework/zend-view": "~2.2"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Cocur\\Slugify\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Florian Eckerstorfer",
+                    "email": "florian@eckerstorfer.co",
+                    "homepage": "https://florian.ec"
+                },
+                {
+                    "name": "Ivo Bathke",
+                    "email": "ivo.bathke@gmail.com"
+                }
+            ],
+            "description": "Converts a string into a slug.",
+            "keywords": [
+                "slug",
+                "slugify"
+            ],
+            "support": {
+                "issues": "https://github.com/cocur/slugify/issues",
+                "source": "https://github.com/cocur/slugify/tree/v4.3.0"
+            },
+            "time": "2022-12-07T19:48:48+00:00"
+        },
         {
             "name": "graham-campbell/result-type",
             "version": "v1.1.1",

src/PersistentData/Model/ModelWithSlug.php

@@ -0,0 +1,35 @@
+<?php namespace SokoWeb\PersistentData\Model;
+
+use Cocur\Slugify\Slugify;
+
+class ModelWithSlug extends Model
+{
+    protected static string $slugSource;
+
+    protected ?string $slug = null;
+
+    public static function getFields(): array
+    {
+        return array_merge(['id', 'slug'], static::$fields);
+    }
+
+    public function setSlug(?string $slug): void
+    {
+        $this->slug = $slug;
+    }
+
+    public function getSlug(): string
+    {
+        if ($this->slug === null) {
+            $this->slug = $this->generateSlug();
+        }
+
+        return $this->slug;
+    }
+
+    private function generateSlug(): string
+    {
+        $slugSourceGetMethod = 'get' . str_replace('_', '', ucwords(static::$slugSource, '_'));
+        return Slugify::create()->slugify($this->$slugSourceGetMethod());
+    }
+}

src/PersistentData/PersistentDataManager.php

@@ -8,6 +8,7 @@ use SokoWeb\Interfaces\Database\IAuditLogger;
 use SokoWeb\Interfaces\Database\IResultSet;
 use SokoWeb\Interfaces\PersistentData\IPersistentDataManager;
 use SokoWeb\PersistentData\Model\Model;
+use SokoWeb\PersistentData\Model\ModelWithSlug;
 
 class PersistentDataManager implements IPersistentDataManager
 {
@@ -58,6 +59,14 @@ class PersistentDataManager implements IPersistentDataManager
         return $this->selectFromDb($select, $type, $useRelations, $withRelations);
     }
 
+    public function selectFromDbBySlug(string $slug, string $type, bool $useRelations = false, array $withRelations = [])
+    {
+        $select = new Select($this->dbConnection);
+        $select->where('slug', '=', $slug);
+
+        return $this->selectFromDb($select, $type, $useRelations, $withRelations);
+    }
+
     public function loadRelationsFromDb(Model $model, bool $recursive = false, array $withRelations = []): void
     {
         $relations = $model::getRelations();
@@ -103,12 +112,20 @@ class PersistentDataManager implements IPersistentDataManager
             }
 
             if (count($modified) > 0) {
+                if ($model instanceof ModelWithSlug && isset($modified['slug'])) {
+                    $modified['slug'] = $this->generateUniqueSlug($model, $modified['slug']);
+                }
+
                 $modify->setId($id);
                 $modify->setDiff($diff);
                 $modify->fill($modified);
                 $modify->save();
             }
         } else {
+            if ($model instanceof ModelWithSlug) {
+                $modified['slug'] = $this->generateUniqueSlug($model, $modified['slug']);
+            }
+
             $modify->fill($modified);
             $modify->save();
 
@@ -129,6 +146,27 @@ class PersistentDataManager implements IPersistentDataManager
         $model->resetSnapshot();
     }
 
+    private function generateUniqueSlug(ModelWithSlug $model, string $notUniqueSlug): string
+    {
+        $slug = $notUniqueSlug;
+        $numbered = 0;
+
+        do {
+            if ($numbered > 0) {
+                $slug = $slug . '_' . ($numbered + 1);
+            }
+
+            $select = new Select($this->dbConnection, $model::getTable());
+            $select->where('slug', '=', $slug);
+
+            $numbered++;
+        } while ($select->count() != 0);
+
+        $model->setSlug($slug);
+
+        return $slug;
+    }
+
     private function createSelect(Select $select, string $type, bool $useRelations = false, array $withRelations = []): Select
     {
         $table = call_user_func([$type, 'getTable']);