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<?php
namespace App\Services;
use App\Models\Category;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Str;
use JsonException;
class HelperService {
public static function changeEnv($updateData = array()): bool {
if (count($updateData) > 0) {
// Read .env-file
$env = file_get_contents(base_path() . '/.env');
// Split string on every " " and write into array
// $env = explode(PHP_EOL, $env);
$env = preg_split('/\r\n|\r|\n/', $env);
$env_array = [];
foreach ($env as $env_value) {
if (empty($env_value)) {
//Add and Empty Line
$env_array[] = "";
continue;
}
$entry = explode("=", $env_value, 2);
$env_array[$entry[0]] = $entry[0] . "=\"" . str_replace("\"", "", $entry[1]) . "\"";
}
foreach ($updateData as $key => $value) {
$env_array[$key] = $key . "=\"" . str_replace("\"", "", $value) . "\"";
}
// Turn the array back to a String
$env = implode("\n", $env_array);
// And overwrite the .env with the new data
file_put_contents(base_path() . '/.env', $env);
return true;
}
return false;
}
/**
* @param $categories
* @param int $level
* @param string|null $parentCategoryID
* @description - This function will return the nested category Option tags using in memory optimization
* @return bool
*/
public static function childCategoryRendering(&$categories, int $level = 0, string|null $parentCategoryID = ''): bool {
// Foreach loop only on the parent category objects
foreach (collect($categories)->where('parent_category_id', $parentCategoryID) as $key => $category) {
echo "<option value='$category->id'>" . str_repeat(' ', $level * 4) . '|-- ' . $category->name . "</option>";
//Once the parent category object is rendered we can remove the category from the main object so that redundant data can be removed
$categories->forget($key);
//Now fetch the subcategories of the main category
$subcategories = $categories->where('parent_category_id', $category->id);
if (!empty($subcategories)) {
//Finally if subcategories are available then call the recursive function & see the magic
self::childCategoryRendering($categories, $level + 1, $category->id);
}
}
return false;
}
public static function buildNestedChildSubcategoryObject($categories) {
// Used json_decode & encode simultaneously because i wanted to convert whole nested array into object
try {
return json_decode(json_encode(self::buildNestedChildSubcategoryArray($categories), JSON_THROW_ON_ERROR), false, 512, JSON_THROW_ON_ERROR);
} catch (JsonException) {
return (object)[];
}
}
private static function buildNestedChildSubcategoryArray($categories) {
$children = [];
//First Add Parent Categories to root level in an array
foreach ($categories->toArray() as $value) {
if ($value["parent_category_id"] == "") {
$children[] = $value;
}
}
//Then loop on the Parent Category to find the children categories
foreach ($children as $key => $value) {
$children[$key]["subcategories"] = self::findChildCategories($categories->toArray(), $value['id']);
}
return $children;
}
public static function findChildCategories($arr, $parent) {
$children = [];
foreach ($arr as $key => $value) {
if ($value['parent_category_id'] == $parent) {
$children[] = $value;
}
}
foreach ($children as $key => $value) {
$children[$key]['subcategories'] = self::findChildCategories($arr, $value['id']);
}
return $children;
}
/*
* Sagar's Code :
* in this i have approached the reverse object moving & removing.
* which is not working as of now.
* but will continue working on this in future as it seems bit optimized approach from the current one
public static function buildNestedChildSubcategoryObject($categories, $finalCategories = []) {
echo "<pre>";
// Foreach loop only on the parent category objects
if (!empty($finalCategories)) {
$finalCategories = $categories->whereNull('parent_category_id');
}
foreach ($categories->whereNotNull('parent_category_id')->sortByDesc('parent_category_id') as $key => $category) {
echo "----------------------------------------------------------------------<br>";
$parentCategoryIndex = $categories->search(function ($data) use ($category) {
return $data['id'] == $category->parent_category_id;
});
if (!$parentCategoryIndex) {
continue;
}
// echo "*** This category will be moved to its parent category object ***<br>";
// print_r($category->toArray());
// Once the parent category object is rendered we can remove the category from the main object so that redundant data can be removed
$categories[$parentCategoryIndex]->subcategories[] = $category->toArray();
$categories->forget($key);
echo "<br>*** After all the operation main categories object will look like this ***<br>";
print_r($categories->toArray());
if (!empty($categories)) {
// Finally if subcategories are available then call the recursive function & see the magic
return self::buildNestedChildSubcategoryObject($categories, $finalCategories);
}
}
return $categories;
} */
public static function findParentCategory($category, $finalCategories = []) {
$category = Category::find($category);
if (!empty($category)) {
$finalCategories[] = $category->id;
if (!empty($category->parent_category_id)) {
$finalCategories[] = self::findParentCategory($category->id, $finalCategories);
}
}
return $finalCategories;
}
/**
* Generate Slug for any model
* @param $model - Instance of Model
* @param string $slug
* @param int|null $excludeID
* @param int $count
* @return string
*/
public static function generateUniqueSlug($model, string $slug, int $excludeID = null, int $count = 0): string {
/*NOTE : This can be improved by directly calling in the UI on type of title via AJAX*/
$slug = Str::slug($slug);
$newSlug = $count ? $slug . '-' . $count : $slug;
$data = $model::where('slug', $newSlug);
if ($excludeID !== null) {
$data->where('id', '!=', $excludeID);
}
if (in_array(SoftDeletes::class, class_uses_recursive($model), true)) {
$data->withTrashed();
}
while ($data->exists()) {
return self::generateUniqueSlug($model, $slug, $excludeID, $count + 1);
}
return $newSlug;
}
public static function findAllCategoryIds($model): array {
$ids = [];
foreach ($model as $item) {
$ids[] = $item['id'];
if (!empty($item['children'])) {
$ids = array_merge($ids, self::findAllCategoryIds($item['children']));
}
}
return $ids;
}
public static function generateRandomSlug($length = 10) {
// Generate a random string of lowercase letters and numbers
$characters = 'abcdefghijklmnopqrstuvwxyz-';
$slug = '';
for ($i = 0; $i < $length; $i++) {
$index = rand(0, strlen($characters) - 1);
$slug .= $characters[$index];
}
return $slug;
}
}