Code Duplication    Length = 8-8 lines in 2 locations

src/Addressbook.php 2 locations

@@ 76-83 (lines=8) @@
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        return $contact;
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    }
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    public function reuseExisting($email)
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    {
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        if (trim($email) == '') {
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            return false;
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        }
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        return $this->business->contacts()->where('email', '=', $email)->first();
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    }
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    public function getExisting($email)
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    {
@@ 94-101 (lines=8) @@
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        return Contact::whereNotNull('user_id')->where('email', '=', $email)->first();
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    }
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    public function getSubscribed($email)
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    {
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        if (trim($email) == '') {
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            return false;
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        }
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        return $this->business->contacts()->where('email', '=', $email)->first();
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    }
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    public function getRegisteredUserId($userId)
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    {