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BackupContent.php
308 lines
| 1 | <?php |
| 2 | |
| 3 | namespace WPStaging\Backup\Service; |
| 4 | |
| 5 | use WPStaging\Backup\Dto\File\BackupItemDto; |
| 6 | use WPStaging\Backup\Entity\BackupMetadata; |
| 7 | use WPStaging\Backup\Interfaces\IndexLineInterface; |
| 8 | use WPStaging\Framework\Filesystem\FileObject; |
| 9 | use WPStaging\Framework\Filesystem\PartIdentifier; |
| 10 | use WPStaging\Framework\Filesystem\PathIdentifier; |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | class BackupContent |
| 20 | { |
| 21 | |
| 22 | private $backupFile = ''; |
| 23 | |
| 24 | |
| 25 | private $totalFiles = 0; |
| 26 | |
| 27 | |
| 28 | private $filesFound = 0; |
| 29 | |
| 30 | |
| 31 | private $perPage = 20; |
| 32 | |
| 33 | |
| 34 | private $indexOffsetStart = 0; |
| 35 | |
| 36 | |
| 37 | private $indexOffsetEnd = 0; |
| 38 | |
| 39 | |
| 40 | private $indexPage = 0; |
| 41 | |
| 42 | |
| 43 | private $currentOffset = 0; |
| 44 | |
| 45 | |
| 46 | private $currentIndex = 0; |
| 47 | |
| 48 | |
| 49 | private $indexOffset = 0; |
| 50 | |
| 51 | |
| 52 | private $indexLineDto; |
| 53 | |
| 54 | |
| 55 | private $pathIdentifier; |
| 56 | |
| 57 | |
| 58 | private $filters = [ |
| 59 | 'filename' => '', |
| 60 | 'sortby' => '', |
| 61 | ]; |
| 62 | |
| 63 | |
| 64 | private $databaseFiles = []; |
| 65 | |
| 66 | |
| 67 | |
| 68 | |
| 69 | |
| 70 | |
| 71 | |
| 72 | public function setBackup(string $backupFile, IndexLineInterface $indexLineDto, $backupMetadata = null) |
| 73 | { |
| 74 | if ($backupMetadata === null) { |
| 75 | $backupMetadata = new BackupMetadata(); |
| 76 | $backupMetadata = $backupMetadata->hydrateByFilePath($backupFile); |
| 77 | } |
| 78 | |
| 79 | $this->backupFile = $backupFile; |
| 80 | $this->indexLineDto = $indexLineDto; |
| 81 | $this->totalFiles = $backupMetadata->getTotalFiles(); |
| 82 | $this->indexOffsetStart = $backupMetadata->getHeaderStart(); |
| 83 | $this->indexOffsetEnd = $backupMetadata->getHeaderEnd(); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | |
| 88 | |
| 89 | |
| 90 | public function setPerPage(int $perPage) |
| 91 | { |
| 92 | $this->perPage = $perPage; |
| 93 | } |
| 94 | |
| 95 | |
| 96 | |
| 97 | |
| 98 | |
| 99 | public function setPathIdentifier(PathIdentifier $pathIdentifier) |
| 100 | { |
| 101 | $this->pathIdentifier = $pathIdentifier; |
| 102 | } |
| 103 | |
| 104 | |
| 105 | |
| 106 | |
| 107 | |
| 108 | public function setDatabaseFiles(array $databaseFiles) |
| 109 | { |
| 110 | $this->databaseFiles = $databaseFiles; |
| 111 | } |
| 112 | |
| 113 | |
| 114 | |
| 115 | |
| 116 | |
| 117 | public function setFilters(array $filters) |
| 118 | { |
| 119 | $filters['filename'] = $filters['filename'] ?? ''; |
| 120 | $filters['sortby'] = $filters['sortby'] ?? ''; |
| 121 | |
| 122 | $this->filters = $filters; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | |
| 127 | |
| 128 | |
| 129 | public function setIndexOffset(int $indexOffset) |
| 130 | { |
| 131 | $this->indexOffset = $indexOffset; |
| 132 | } |
| 133 | |
| 134 | |
| 135 | |
| 136 | |
| 137 | |
| 138 | public function getFiles(int $page = 1) |
| 139 | { |
| 140 | if ($page < 1) { |
| 141 | $page = 1; |
| 142 | } |
| 143 | |
| 144 | $indexOffset = $this->getIndexOffset(); |
| 145 | $this->indexPage = $page; |
| 146 | |
| 147 | $hasFilter = !empty($this->filters['sortby']) || !empty($this->filters['filename']); |
| 148 | $maxLine = ($page - 1) * $this->perPage; |
| 149 | $objectFile = new FileObject($this->backupFile, 'rb'); |
| 150 | |
| 151 | $indexOffsetStart = $this->indexOffsetStart; |
| 152 | |
| 153 | if (!empty($indexOffset) && !$hasFilter) { |
| 154 | $indexOffsetStart = $indexOffset; |
| 155 | } |
| 156 | |
| 157 | $objectFile->fseek($indexOffsetStart); |
| 158 | |
| 159 | $countLine = 0; |
| 160 | $this->filesFound = $hasFilter ? 0 : $this->totalFiles; |
| 161 | while ($objectFile->valid()) { |
| 162 | $this->currentOffset = $objectFile->ftell(); |
| 163 | $this->currentIndex = $objectFile->key(); |
| 164 | |
| 165 | $rawIndexFile = $objectFile->readAndMoveNext(); |
| 166 | if (!$this->indexLineDto->isIndexLine($rawIndexFile)) { |
| 167 | break; |
| 168 | } |
| 169 | |
| 170 | $indexLineDto = $this->indexLineDto->readIndexLine($rawIndexFile); |
| 171 | $backupFile = BackupItemDto::fromIndexLineDto($indexLineDto); |
| 172 | $backupFile->setPath($this->pathIdentifier->transformIdentifiableToRelativePath($backupFile->getIdentifiablePath())); |
| 173 | $backupFile->setOffset($this->currentOffset); |
| 174 | $backupFile->setIndex($this->currentIndex); |
| 175 | |
| 176 | if ($this->isFiltered($backupFile)) { |
| 177 | continue; |
| 178 | } |
| 179 | |
| 180 | if ($hasFilter) { |
| 181 | $this->filesFound++; |
| 182 | } |
| 183 | |
| 184 | if ($this->filesFound < $maxLine || $countLine === $this->perPage) { |
| 185 | if ($hasFilter) { |
| 186 | continue; |
| 187 | } else { |
| 188 | break; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | yield $backupFile; |
| 193 | $countLine++; |
| 194 | } |
| 195 | |
| 196 | $objectFile = null; |
| 197 | } |
| 198 | |
| 199 | |
| 200 | |
| 201 | |
| 202 | public function getPagingData(): array |
| 203 | { |
| 204 | return [ |
| 205 | 'totalIndex' => $this->filesFound, |
| 206 | 'totalPage' => ceil($this->filesFound / $this->perPage), |
| 207 | 'indexPage' => $this->indexPage, |
| 208 | 'indexFilter' => $this->filters['filename'], |
| 209 | 'indexSortby' => $this->filters['sortby'], |
| 210 | 'indexOffset' => $this->getIndexOffset(), |
| 211 | 'indexNextOffset' => $this->getNextOffset($this->getCurrentOffset()), |
| 212 | ]; |
| 213 | } |
| 214 | |
| 215 | |
| 216 | |
| 217 | |
| 218 | public function getIndexOffset(): int |
| 219 | { |
| 220 | return $this->indexOffset; |
| 221 | } |
| 222 | |
| 223 | |
| 224 | |
| 225 | |
| 226 | public function getCurrentOffset(): int |
| 227 | { |
| 228 | return $this->currentOffset; |
| 229 | } |
| 230 | |
| 231 | |
| 232 | |
| 233 | |
| 234 | |
| 235 | public function getNextOffset(int $currentOffset): int |
| 236 | { |
| 237 | $objectFile = new FileObject($this->backupFile, 'rb'); |
| 238 | $objectFile->fseek($currentOffset); |
| 239 | $objectFile->readAndMoveNext(); |
| 240 | $nextOffset = $objectFile->ftell(); |
| 241 | $objectFile = null; |
| 242 | |
| 243 | switch (true) { |
| 244 | case ($nextOffset > $this->indexOffsetEnd): |
| 245 | $nextOffset = $this->indexOffsetEnd; |
| 246 | break; |
| 247 | case (empty($nextOffset) || $nextOffset < 0): |
| 248 | $nextOffset = $this->indexOffsetStart; |
| 249 | break; |
| 250 | } |
| 251 | |
| 252 | return $nextOffset; |
| 253 | } |
| 254 | |
| 255 | |
| 256 | |
| 257 | |
| 258 | |
| 259 | private function isFiltered(BackupItemDto $backupFile): bool |
| 260 | { |
| 261 | if ($this->filterByName($backupFile)) { |
| 262 | return true; |
| 263 | } |
| 264 | |
| 265 | return $this->filterBySortBy($backupFile); |
| 266 | } |
| 267 | |
| 268 | |
| 269 | |
| 270 | |
| 271 | |
| 272 | private function filterByName(BackupItemDto $backupFile): bool |
| 273 | { |
| 274 | if (empty($this->filters['filename'])) { |
| 275 | return false; |
| 276 | } |
| 277 | |
| 278 | return strpos($backupFile->getPath(), $this->filters['filename']) === false; |
| 279 | } |
| 280 | |
| 281 | |
| 282 | |
| 283 | |
| 284 | |
| 285 | private function filterBySortBy(BackupItemDto $backupFile): bool |
| 286 | { |
| 287 | if (empty($this->filters['sortby'])) { |
| 288 | return false; |
| 289 | } |
| 290 | |
| 291 | if ($this->filters['sortby'] === PartIdentifier::DATABASE_PART_IDENTIFIER) { |
| 292 | return !in_array($backupFile->getIdentifiablePath(), $this->databaseFiles); |
| 293 | } |
| 294 | |
| 295 | if ($this->filters['sortby'] === PartIdentifier::UPLOAD_PART_IDENTIFIER && in_array($backupFile->getIdentifiablePath(), $this->databaseFiles)) { |
| 296 | return true; |
| 297 | } |
| 298 | |
| 299 | if ($this->filters['sortby'] === PartIdentifier::DROPIN_PART_IDENTIFIER) { |
| 300 | return !$this->pathIdentifier->hasDropinsFile($backupFile->getIdentifiablePath()); |
| 301 | } |
| 302 | |
| 303 | $identifier = $this->pathIdentifier->getIdentifierByPartName($this->filters['sortby']); |
| 304 | |
| 305 | return $identifier !== $this->pathIdentifier->getIdentifierFromPath($backupFile->getIdentifiablePath()); |
| 306 | } |
| 307 | } |
| 308 |