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<?php namespace Botble\Base\Supports; use Botble\Media\Facades\RvMedia; use Illuminate\Support\Facades\Cache; use Illuminate\Support\Str; use Intervention\Image\Geometry\Factories\CircleFactory; use Intervention\Image\Geometry\Factories\RectangleFactory; use Intervention\Image\Interfaces\ImageInterface; use Intervention\Image\Typography\FontFactory; use InvalidArgumentException; use Throwable; class Avatar { protected string\|null $name = null; protected int $chars = 1; protected string $shape = 'square'; protected int $width = 250; protected int $height = 250; protected array $availableBackgrounds = [ '#f44336', '#E91E63', '#9C27B0', '#673AB7', '#3F51B5', '#2196F3', '#03A9F4', '#00BCD4', '#009688', '#4CAF50', '#8BC34A', '#CDDC39', '#FFC107', '#FF9800', '#FF5722', ]; protected array $availableForegrounds = [ '#FFFFFF', ]; protected int $fontSize = 152; protected int $borderSize = 0; protected string $borderColor = 'foreground'; protected bool $ascii = false; protected bool $uppercase = false; protected ImageInterface $image; protected string $font; protected string $background = '#CCCCCC'; protected string $foreground = '#FFFFFF'; public function __construct() { $this->foreground = $this->getRandomElement($this->availableForegrounds, $this->foreground); $this->background = $this->getRandomElement($this->availableBackgrounds, $this->background); $this->font = core_path('base/public/fonts/Roboto-Bold.ttf'); } public function setBackground(string $color): self { $this->background = $color; return $this; } public function setForeground(string $color): self { $this->foreground = $color; return $this; } public function setShape(string $shape): self { $this->shape = $shape; return $this; } protected function getRandomElement(array $array, string $default) { // Make it work for associative array $array = array_values($array); $name = $this->name; if ($name == null) { $name = chr(rand(65, 90)); } if (count($array) == 0) { return $default; } $number = ord($name[0]); $index = 1; $charLength = strlen($name); while ($index < $charLength) { $number += ord($name[$index]); $index++; } return $array[$number % count($array)]; } public function __toString() { return $this->toBase64(); } public function toBase64(): string { $key = $this->cacheKey(); if ($base64 = Cache::get($key)) { return $base64; } $this->buildAvatar(); $base64 = $this->image->toJpeg()->toDataUri(); Cache::forever($key, $base64); return $base64; } protected function cacheKey(): string { $keys = []; $attributes = [ 'name', 'shape', 'chars', 'font', 'fontSize', 'width', 'height', 'borderSize', 'borderColor', ]; foreach ($attributes as $attr) { $keys[] = $this->$attr; } return md5(implode('-', $keys)); } public function buildAvatar(): self { $this->image = RvMedia::imageManager()->create($this->width, $this->height); $this->createShape(); $this->image->text( $this->make($this->name, $this->chars, $this->uppercase, $this->ascii), $this->width / 2, $this->height / 2, function (FontFactory $font) { $font->file($this->font); $font->size($this->fontSize); $font->color($this->foreground); $font->align('center'); $font->valign('middle'); } ); return $this; } protected function createShape() { $method = 'create' . ucfirst($this->shape) . 'Shape'; if (method_exists($this, $method)) { return $this->$method(); } throw new InvalidArgumentException('Shape [' . $this->shape . '] currently not supported.'); } public function make(string\|array\|null\|object $name, int $length = 1, bool $uppercase = false, bool $ascii = false): string { $this->setName($name, $ascii); $words = collect(explode(' ', $this->name)); // if name contains single word, use first N character if ($words->count() === 1) { $initial = (string)$words->first(); if (strlen($this->name) >= $length) { $initial = Str::substr($this->name, 0, $length); } } else { // otherwise, use initial char from each word $initials = collect(); $words->each(function ($word) use ($initials) { $initials->push(Str::substr($word, 0, 1)); }); $initial = $initials->slice(0, $length)->implode(''); } if ($uppercase) { $initial = strtoupper($initial); } return $initial; } protected function setName(string\|array\|null\|object $name, bool $ascii): void { if (is_array($name)) { throw new InvalidArgumentException( 'Passed value cannot be an array' ); } elseif (is_object($name) && ! method_exists($name, '__toString')) { throw new InvalidArgumentException( 'Passed object must have a __toString method' ); } if (filter_var($name, FILTER_VALIDATE_EMAIL)) { // turn bayu.hendra@gmail.com into "Bayu Hendra" $name = str_replace('.', ' ', Str::before($name, '@')); } if ($ascii) { $name = Str::ascii($name); } $this->name = $name; } public function create(string\|null $name): self { $this->name = $name; return $this; } public function save(string $path, int $quality = 90): ImageInterface { $this->buildAvatar(); return $this->image->save($path, $quality); } protected function createCircleShape(): void { $this->image->drawCircle( intval($this->width / 2), intval($this->height / 2), function (CircleFactory $draw) { $draw->radius($this->width - $this->borderSize); $draw->background($this->background); $draw->border($this->getBorderColor(), $this->borderSize); } ); } protected function getBorderColor(): string\|null { if ($this->borderColor == 'foreground') { return $this->foreground; } if ($this->borderColor == 'background') { return $this->background; } return $this->borderColor; } protected function createSquareShape(): void { $edge = (int)ceil($this->borderSize / 2); $width = $this->width - $edge; $height = $this->height - $edge; $this->image->drawRectangle( $edge, $edge, function (RectangleFactory $draw) use ($height, $width) { $draw->size($width, $height); $draw->background($this->background); $draw->border($this->getBorderColor(), $this->borderSize); } ); } public static function createBase64Image(string\|null $name): string { try { return (new self())->create($name)->toBase64(); } catch (Throwable) { return RvMedia::getDefaultImage(); } } }

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