| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Smoren\Containers\Structs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Smoren\Containers\Exceptions\GraphException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | class GraphItem | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |      * @var string item ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     protected string $id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      * @var mixed item data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     protected $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |      * @var GraphItem[][] next items mapped by item IDs and type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     protected array $nextItemMap = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * @var GraphItem[][] previous items mapped by item IDs and type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     protected array $prevItemMap = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * GraphItem constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @param string $id item ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @param mixed $data item data | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |     public function __construct(string $id, $data) | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |         $this->id = $id; | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |         $this->data = $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * Returns item ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     public function getId(): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         return $this->id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * Sets item ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @param string $id | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     public function setId(string $id): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         $this->id = $id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * Returns item data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     public function getData() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         return $this->data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      * Sets item data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * @param mixed $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     public function setData($data): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         $this->data = $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * Returns previous item by ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @param string $id item ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * @param string $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * @return GraphItem | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @throws GraphException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     public function getPrevItem(string $id, string $type): GraphItem | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         if(!isset($this->prevItemMap[$type][$id])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             throw new GraphException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |                 "ID '{$id}' not exists", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |                 GraphException::STATUS_ID_NOT_EXIST | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         return $this->prevItemMap[$type][$id]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * Returns previous items list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @param string|null $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * @return GraphItem[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * @throws GraphException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     public function getPrevItems(?string $type = null): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         $result = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         if($type === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |             foreach($this->prevItemMap as $itemMap) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |                 foreach($itemMap as $itemId => $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |                     $result[$itemId] = $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |             if(!isset($this->prevItemMap[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |                 throw new GraphException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |                     "type '{$type}' not exist", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |                     GraphException::STATUS_TYPE_NOT_EXIST | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |                 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |             foreach($this->prevItemMap[$type] as $itemId => $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |                 $result[$itemId] = $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         return array_values($result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      * Returns previous items map ([linkType => [itemId, ...], ...]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * @param array|null $typesOnly | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * @param array|null $typesExclude | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * @return string[][] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     public function getPrevItemsMap(?array $typesOnly = null, ?array $typesExclude = null): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |         $result = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         foreach($this->prevItemMap as $type => $itemMap) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             if( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |                 $typesOnly !== null && !in_array($type, $typesOnly) || | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                 $typesExclude !== null && in_array($type, $typesExclude) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |             ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |                 continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |             $result[$type] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |             foreach($itemMap as $itemId => $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |                 $result[$type][] = $itemId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |      * Adds link to previous item | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |      * @param GraphItem $item item to link | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |      * @param string $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |     public function addPrevItem(GraphItem $item, string $type): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |         $itemId = $item->getId(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         if(!isset($this->prevItemMap[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |             $this->prevItemMap[$type] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         $this->prevItemMap[$type][$itemId] = $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * Deletes link to previous item | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      * @param string $itemId ID of item to delete | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * @param string|null $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |     public function deletePrevItem(string $itemId, ?string $type = null): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         if($type === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |             foreach($this->prevItemMap as $type => $itemMap) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |                 $this->deletePrevItem($itemId, $type); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |             return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |         if(isset($this->prevItemMap[$type][$itemId])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |             unset($this->prevItemMap[$type][$itemId]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |             if(!count($this->prevItemMap[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |                 unset($this->prevItemMap[$type]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |      * Returns next item by ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |      * @param string $id next item ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |      * @param string $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |      * @return GraphItem | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |      * @throws GraphException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |     public function getNextItem(string $id, string $type): GraphItem | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |         if(!isset($this->nextItemMap[$type][$id])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |             throw new GraphException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |                 "ID '{$id}' not exists", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |                 GraphException::STATUS_ID_NOT_EXIST | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |         return $this->nextItemMap[$type][$id]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |      * Returns previous items list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |      * @param string|null $type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |      * @return GraphItem[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |      * @throws GraphException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |     public function getNextItems(?string $type = null): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |         $result = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |         if($type === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |             foreach($this->nextItemMap as $itemMap) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |                 foreach($itemMap as $itemId => $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |                     $result[$itemId] = $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |             if(!isset($this->nextItemMap[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |                 throw new GraphException( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |                     "type '{$type}' not exist", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |                     GraphException::STATUS_TYPE_NOT_EXIST | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |                 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |             foreach($this->nextItemMap[$type] as $itemId => $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |                 $result[$itemId] = $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |         return array_values($result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |      * Returns next items map ([linkType => [itemId, ...], ...]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |      * @param array|null $typesOnly | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |      * @param array|null $typesExclude | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |      * @return string[][] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |     public function getNextItemsMap(?array $typesOnly = null, ?array $typesExclude = null): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |         $result = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |         foreach($this->nextItemMap as $type => $itemMap) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |             if( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |                 $typesOnly !== null && !in_array($type, $typesOnly) || | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |                 $typesExclude !== null && in_array($type, $typesExclude) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |             ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |                 continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |             $result[$type] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |             foreach($itemMap as $itemId => $item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |                 $result[$type][] = $itemId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      * Adds link to next item | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |      * @param GraphItem $item item to link | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |      * @param string $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |     public function addNextItem(GraphItem $item, string $type): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |         $itemId = $item->getId(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |         if(!isset($this->nextItemMap[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |             $this->nextItemMap[$type] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |         $this->nextItemMap[$type][$itemId] = $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |      * Deletes link to next item | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |      * @param string $itemId ID of item to delete | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |      * @param string|null $type link type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |     public function deleteNextItem(string $itemId, ?string $type = null): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |         if($type === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |             foreach($this->nextItemMap as $type => $itemMap) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |                 $this->deleteNextItem($itemId, $type); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |             return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |         if(isset($this->nextItemMap[$type][$itemId])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |             unset($this->nextItemMap[$type][$itemId]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |             if(!count($this->nextItemMap[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |                 unset($this->nextItemMap[$type]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |      * Representates as array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |     public function toArray(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |             'id' => $this->id, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |             'data' => $this->data, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |             'previous' => $this->getPrevItemsMap(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |             'next' => $this->getNextItemsMap(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 338 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 339 |  |  |  |