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<?php |
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namespace Saito\User\ReadPostings; |
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use Saito\User\Cookie\Storage; |
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/** |
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* Handles read posting by a client side cookie. Used for non logged-in |
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* users. |
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*/ |
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class ReadPostingsCookie extends ReadPostingsAbstract |
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{ |
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/** |
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* Max number of postings in cookie |
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*/ |
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protected $maxPostings = 240; |
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/** @var Storage */ |
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protected $storage; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function set($entries) |
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{ |
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$entries = $this->_prepareForSave($entries); |
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if (empty($entries)) { |
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return; |
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} |
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$entries = array_fill_keys($entries, 1); |
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$new = $this->_get() + $entries; |
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if (empty($new)) { |
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return; |
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} |
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$this->readPostings = $new; |
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$this->_gc(); |
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// make simple string and don't encrypt it to keep cookie small enough |
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// to fit $this->_maxPostings into 4 kB |
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$data = implode('.', array_keys($this->readPostings)); |
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$this->storage->write($data); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function delete() |
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{ |
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$this->storage->delete(); |
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} |
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/** |
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* limits the number of postings saved in cookie |
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* |
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* cookie size should not exceed 4 kB |
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* |
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* @return void |
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*/ |
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protected function _gc() |
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{ |
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$overhead = count($this->readPostings) - $this->maxPostings; |
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if ($overhead < 0) { |
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return; |
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} |
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ksort($this->readPostings); |
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$this->readPostings = array_slice( |
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$this->readPostings, |
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$overhead, |
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null, |
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true |
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); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function _get() |
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{ |
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if ($this->readPostings !== null) { |
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return $this->readPostings; |
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} |
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$this->readPostings = $this->storage->read(); |
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if (empty($this->readPostings) |
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|| !preg_match('/^[0-9\.]*$/', $this->readPostings) |
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) { |
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$this->readPostings = []; |
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} else { |
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$this->readPostings = explode('.', $this->readPostings); |
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$this->readPostings = array_fill_keys($this->readPostings, 1); |
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} |
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return $this->readPostings; |
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} |
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} |
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Schlaefer /
Saito
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..