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<?php |
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namespace App\Module\User\Data; |
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/** |
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* User DTO (Data Transfer Object) class. |
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* This class is used to transfer data between the different layers of the application |
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* and serialize it for the frontend or database. |
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* Documentation: https://samuel-gfeller.ch/docs/Domain#data-transfer-object-dto. |
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*/ |
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class UserData implements \JsonSerializable |
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{ |
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// Variable names matching database columns (camelCase instead of snake_case) |
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public ?int $id; |
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public ?string $firstName; |
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public ?string $lastName; |
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public ?string $email; |
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public ?\DateTimeImmutable $updatedAt; |
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public ?\DateTimeImmutable $createdAt; |
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/** |
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* @param array<string, mixed> $userData |
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*/ |
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public function __construct(array $userData = []) |
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{ |
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// Keys may be taken from view form or database, so they have to correspond to both; otherwise use mapper |
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$this->id = $userData['id'] ?? null; |
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$this->firstName = $userData['first_name'] ?? null; |
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$this->lastName = $userData['last_name'] ?? null; |
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$this->email = $userData['email'] ?? null; |
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try { |
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$this->updatedAt = $userData['updated_at'] ?? null ? new \DateTimeImmutable($userData['updated_at']) : null; |
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} catch (\Exception $e) { |
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$this->updatedAt = null; |
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} |
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try { |
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$this->createdAt = $userData['created_at'] ?? null ? new \DateTimeImmutable($userData['created_at']) : null; |
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} catch (\Exception $e) { |
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$this->createdAt = null; |
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} |
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} |
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/** |
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* Serialize the object to an array where the keys |
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* represent the database fields. |
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* |
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* @return array<string, int|string|null> |
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*/ |
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public function toArrayForDatabase(): array |
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{ |
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return [ |
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'id' => $this->id, |
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'first_name' => $this->firstName, |
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'last_name' => $this->lastName, |
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'email' => $this->email, |
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]; |
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} |
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/** |
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* Define how json_encode() should serialize the object |
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* camelCase according to Google recommendation https://stackoverflow.com/a/19287394/9013718. |
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* |
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* @return array<string, mixed> in the format expected by the frontend |
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*/ |
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public function jsonSerialize(): array |
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{ |
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// camelCase according to Google recommendation https://stackoverflow.com/a/19287394/9013718 |
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return [ |
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'id' => $this->id, |
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'firstName' => $this->firstName, |
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'lastName' => $this->lastName, |
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'email' => $this->email, |
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'updatedAt' => $this->updatedAt?->format('Y-m-d H:i:s'), |
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'createdAt' => $this->createdAt?->format('Y-m-d H:i:s'), |
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]; |
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} |
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} |
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samuelgfeller /
slim-starter
