| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace LeandroFerreiraMa\GoogleCalendar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | abstract class GoogleCalendar | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |     private string $apiUrl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |     private ?array $headers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |     private ?array $fields; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     private string $endpoint; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |     private string $method; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     protected ?object $response; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     public function __construct(string $token) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |         $this->apiUrl = 'https://www.googleapis.com/calendar'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |         $this->headers(['Authorization' => 'Bearer '. $token]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 20 |  |  |     protected function request(string $method, string $endpoint, ?array $fields = null, ?array $headers = null): void | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |         $this->method = $method; | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |         $this->endpoint = $endpoint; | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |         $this->fields = $fields; | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |         $this->headers($headers); | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  |         $this->dispatch(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     public function response(): ?object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         return $this->response; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     public function error(): ?object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         if (!empty($this->response->errors)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |             return $this->response->errors; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     private function headers(?array $headers): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         if (!$headers) { | 
                            
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                | 47 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         foreach ($headers as $key => $header) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |             $this->headers[] = "{$key}: {$header}"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     private function dispatch(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $curl = curl_init(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         $fields = (!empty($this->fields) ? json_encode($this->fields) : null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         curl_setopt_array($curl, array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             CURLOPT_URL => "{$this->apiUrl}/{$this->endpoint}", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |             CURLOPT_RETURNTRANSFER => true, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             CURLOPT_MAXREDIRS => 10, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |             CURLOPT_TIMEOUT => 30, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             CURLOPT_CUSTOMREQUEST => $this->method, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             CURLOPT_POSTFIELDS => $fields, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |             CURLOPT_HTTPHEADER => $this->headers, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         )); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         $this->response = json_decode(curl_exec($curl)); | 
                            
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                | 72 |  |  |         curl_close($curl); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 74 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 75 |  |  |  | 
            
                        
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.