Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 11 | class GoogleCalendar |
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| 12 | { |
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| 13 | /** @var \Spatie\GoogleCalendar\Google_Service_Calendar */ |
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| 14 | protected $calendarService; |
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| 15 | |||
| 16 | /** @var string */ |
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| 17 | protected $calendarId; |
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| 18 | |||
| 19 | public function __construct(Google_Service_Calendar $calendarService, $calendarId) |
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| 25 | |||
| 26 | public function getCalendarId() : string |
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| 30 | |||
| 31 | /** |
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| 32 | * List events. |
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| 33 | * |
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| 34 | * @param Carbon $startDateTime |
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| 35 | * @param Carbon $endDateTime |
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| 36 | * @param array $queryParameters |
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| 37 | * |
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| 38 | * @link https://developers.google.com/google-apps/calendar/v3/reference/events/list |
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| 39 | * |
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| 40 | * @return Collection |
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| 41 | */ |
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| 42 | public function listEvents(Carbon $startDateTime = null, Carbon $endDateTime = null, $queryParameters = []) : Collection |
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| 81 | |||
| 82 | /** |
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| 83 | * @param string $eventId |
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| 84 | * |
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| 85 | * @return static |
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| 86 | */ |
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| 87 | public function getEvent($eventId) |
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| 93 | |||
| 94 | /** |
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| 95 | * Insert an event. |
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| 96 | * |
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| 97 | * @param \Spatie\GoogleCalendar\Event|Google_Service_Calendar_Event $event |
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| 98 | * |
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| 99 | * @link https://developers.google.com/google-apps/calendar/v3/reference/events/insert |
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| 100 | * |
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| 101 | * @return mixed |
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| 102 | */ |
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| 103 | View Code Duplication | public function insertEvent($event) |
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| 111 | |||
| 112 | /** |
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| 113 | * @param \Spatie\GoogleCalendar\Event|Google_Service_Calendar_Event $event |
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| 114 | * |
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| 115 | * @return \Google_Service_Calendar_Event |
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| 116 | */ |
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| 117 | View Code Duplication | public function updateEvent($event) |
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| 125 | |||
| 126 | /** |
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| 127 | * @param string|\Spatie\GoogleCalendar\Event $eventId |
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| 128 | */ |
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| 129 | public function deleteEvent($eventId) |
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| 137 | |||
| 138 | public function getService() : Google_Service_Calendar |
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| 142 | } |
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| 143 |
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..