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<?php |
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namespace Spatie\ValidationRules\Rules; |
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use Illuminate\Contracts\Validation\Rule; |
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use Illuminate\Support\Facades\Validator; |
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use Illuminate\Support\Str; |
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class CommaSeparatedEmails implements Rule |
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{ |
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/** @var int|null */ |
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protected $minimum; |
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/** @var int|null */ |
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protected $maximum; |
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protected $message = ''; |
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public function passes($attribute, $value) |
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{ |
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[$validEmails, $invalidEmails] = collect(explode(',', $value)) |
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->map(function (string $rawEmail) { |
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return trim($rawEmail); |
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}) |
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->partition(function (string $email) { |
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return $this->isValidEmail($email); |
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}); |
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if ($invalidEmails->count() === 1) { |
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$this->message = __('validation.email', ['attribute' => $invalidEmails->first()]); |
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return false; |
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} |
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if ($invalidEmails->count() > 1) { |
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$this->message = __('validation.emails', ['attribute' => $invalidEmails->implode(',')]); |
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return false; |
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} |
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if ($validEmails->unique()->count() !== $validEmails->count()) { |
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$this->message = __('validation.unique_emails'); |
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return false; |
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} |
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if (! is_null($this->minimum)) { |
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if ($validEmails->count() < $this->minimum) { |
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$this->message = __('validation.minimum_emails', [ |
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'actualCount' => $invalidEmails->implode(','), |
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'expectedMinimum' => $this->minimum, |
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'emailword' => Str::plural('e-mail address', $this->minimum) |
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]); |
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return false; |
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} |
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} |
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if (! is_null($this->maximum)) { |
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if ($validEmails->count() > $this->maximum) { |
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$this->message = __('validation.maximum_emails', [ |
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'actualCount' => $invalidEmails->implode(','), |
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'expectedMaximum' => $this->maximum, |
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'emailword' => Str::plural('e-mail address', $this->maximum) |
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]); |
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return false; |
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} |
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} |
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return true; |
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} |
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public function message() |
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{ |
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return $this->message; |
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} |
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public function min(int $minimum) |
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{ |
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$this->minimum = $minimum; |
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return $this; |
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} |
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public function max(int $maximum) |
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{ |
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$this->maximum = $maximum; |
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return $this; |
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} |
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protected function isValidEmail(string $email): bool |
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{ |
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return Validator::make(['email' => $email], ['email' => 'email'])->passes(); |
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} |
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} |
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.