Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 11 | abstract class DbDumper |
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| 12 | { |
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| 13 | /** @var string */ |
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| 14 | protected $dbName; |
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| 15 | |||
| 16 | /** @var string */ |
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| 17 | protected $userName; |
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| 18 | |||
| 19 | /** @var string */ |
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| 20 | protected $password; |
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| 21 | |||
| 22 | /** @var string */ |
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| 23 | protected $host = 'localhost'; |
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| 24 | |||
| 25 | /** @var int */ |
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| 26 | protected $port = 5432; |
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| 27 | |||
| 28 | /** @var string */ |
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| 29 | protected $socket = ''; |
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| 30 | |||
| 31 | /** @var int */ |
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| 32 | protected $timeout = 0; |
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| 33 | |||
| 34 | /** @var string */ |
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| 35 | protected $dumpBinaryPath = ''; |
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| 36 | |||
| 37 | /** @var array */ |
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| 38 | protected $includeTables = []; |
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| 39 | |||
| 40 | /** @var array */ |
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| 41 | protected $excludeTables = []; |
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| 42 | |||
| 43 | /** @var array */ |
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| 44 | protected $extraOptions = []; |
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| 45 | |||
| 46 | /** @var object */ |
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| 47 | protected $compressor = null; |
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| 48 | |||
| 49 | public static function create() |
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| 50 | { |
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| 51 | return new static(); |
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| 52 | } |
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| 53 | |||
| 54 | public function getDbName(): string |
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| 55 | { |
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| 56 | return $this->dbName; |
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| 57 | } |
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| 58 | |||
| 59 | /** |
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| 60 | * @param string $dbName |
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| 61 | * |
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| 62 | * @return $this |
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| 63 | */ |
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| 64 | public function setDbName(string $dbName) |
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| 65 | { |
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| 66 | $this->dbName = $dbName; |
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| 67 | |||
| 68 | return $this; |
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| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * @param string $userName |
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| 73 | * |
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| 74 | * @return $this |
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| 75 | */ |
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| 76 | public function setUserName(string $userName) |
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| 77 | { |
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| 78 | $this->userName = $userName; |
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| 79 | |||
| 80 | return $this; |
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| 81 | } |
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| 82 | |||
| 83 | /** |
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| 84 | * @param string $password |
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| 85 | * |
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| 86 | * @return $this |
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| 87 | */ |
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| 88 | public function setPassword(string $password) |
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| 89 | { |
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| 90 | $this->password = $password; |
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| 91 | |||
| 92 | return $this; |
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| 93 | } |
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| 94 | |||
| 95 | /** |
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| 96 | * @param string $host |
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| 97 | * |
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| 98 | * @return $this |
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| 99 | */ |
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| 100 | public function setHost(string $host) |
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| 101 | { |
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| 102 | $this->host = $host; |
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| 103 | |||
| 104 | return $this; |
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| 105 | } |
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| 106 | |||
| 107 | public function getHost(): string |
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| 108 | { |
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| 109 | return $this->host; |
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| 110 | } |
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| 111 | |||
| 112 | /** |
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| 113 | * @param int $port |
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| 114 | * |
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| 115 | * @return $this |
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| 116 | */ |
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| 117 | public function setPort(int $port) |
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| 118 | { |
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| 119 | $this->port = $port; |
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| 120 | |||
| 121 | return $this; |
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| 122 | } |
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| 123 | |||
| 124 | /** |
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| 125 | * @param string $socket |
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| 126 | * |
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| 127 | * @return $this |
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| 128 | */ |
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| 129 | public function setSocket(string $socket) |
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| 130 | { |
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| 131 | $this->socket = $socket; |
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| 132 | |||
| 133 | return $this; |
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| 134 | } |
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| 135 | |||
| 136 | /** |
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| 137 | * @param int $timeout |
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| 138 | * |
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| 139 | * @return $this |
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| 140 | */ |
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| 141 | public function setTimeout(int $timeout) |
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| 142 | { |
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| 143 | $this->timeout = $timeout; |
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| 144 | |||
| 145 | return $this; |
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| 146 | } |
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| 147 | |||
| 148 | public function setDumpBinaryPath(string $dumpBinaryPath) |
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| 149 | { |
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| 150 | if ($dumpBinaryPath !== '' && substr($dumpBinaryPath, -1) !== '/') { |
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| 151 | $dumpBinaryPath .= '/'; |
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| 152 | } |
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| 153 | |||
| 154 | $this->dumpBinaryPath = $dumpBinaryPath; |
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| 155 | |||
| 156 | return $this; |
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| 157 | } |
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| 158 | |||
| 159 | /** |
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| 160 | * @deprecated |
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| 161 | * |
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| 162 | * @return $this |
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| 163 | */ |
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| 164 | public function enableCompression() |
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| 165 | { |
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| 166 | $this->compressor = new GzipCompressor(); |
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| 167 | |||
| 168 | return $this; |
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| 169 | } |
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| 170 | |||
| 171 | public function getCompressorExtension(): string |
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| 172 | { |
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| 173 | return $this->compressor->useExtension(); |
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| 174 | } |
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| 175 | |||
| 176 | public function useCompressor(Compressor $compressor) |
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| 177 | { |
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| 178 | $this->compressor = $compressor; |
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| 179 | |||
| 180 | return $this; |
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| 181 | } |
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| 182 | |||
| 183 | /** |
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| 184 | * @param string|array $includeTables |
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| 185 | * |
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| 186 | * @return $this |
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| 187 | * |
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| 188 | * @throws \Spatie\DbDumper\Exceptions\CannotSetParameter |
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| 189 | */ |
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| 190 | public function includeTables($includeTables) |
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| 191 | { |
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| 192 | if (! empty($this->excludeTables)) { |
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| 193 | throw CannotSetParameter::conflictingParameters('includeTables', 'excludeTables'); |
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| 194 | } |
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| 195 | |||
| 196 | if (! is_array($includeTables)) { |
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| 197 | $includeTables = explode(', ', $includeTables); |
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| 198 | } |
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| 199 | |||
| 200 | $this->includeTables = $includeTables; |
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| 201 | |||
| 202 | return $this; |
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| 203 | } |
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| 204 | |||
| 205 | /** |
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| 206 | * @param string|array $excludeTables |
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| 207 | * |
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| 208 | * @return $this |
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| 209 | * |
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| 210 | * @throws \Spatie\DbDumper\Exceptions\CannotSetParameter |
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| 211 | */ |
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| 212 | public function excludeTables($excludeTables) |
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| 213 | { |
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| 214 | if (! empty($this->includeTables)) { |
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| 215 | throw CannotSetParameter::conflictingParameters('excludeTables', 'includeTables'); |
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| 216 | } |
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| 217 | |||
| 218 | if (! is_array($excludeTables)) { |
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| 219 | $excludeTables = explode(', ', $excludeTables); |
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| 220 | } |
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| 221 | |||
| 222 | $this->excludeTables = $excludeTables; |
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| 223 | |||
| 224 | return $this; |
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| 225 | } |
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| 226 | |||
| 227 | /** |
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| 228 | * @param string $extraOption |
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| 229 | * |
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| 230 | * @return $this |
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| 231 | */ |
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| 232 | public function addExtraOption(string $extraOption) |
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| 233 | { |
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| 234 | if (! empty($extraOption)) { |
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| 235 | $this->extraOptions[] = $extraOption; |
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| 236 | } |
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| 237 | |||
| 238 | return $this; |
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| 239 | } |
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| 240 | |||
| 241 | abstract public function dumpToFile(string $dumpFile); |
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| 242 | |||
| 243 | protected function checkIfDumpWasSuccessFul(Process $process, string $outputFile) |
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| 244 | { |
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| 245 | if (! $process->isSuccessful()) { |
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| 246 | throw DumpFailed::processDidNotEndSuccessfully($process); |
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| 247 | } |
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| 248 | |||
| 249 | if (! file_exists($outputFile)) { |
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| 250 | throw DumpFailed::dumpfileWasNotCreated(); |
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| 251 | } |
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| 252 | |||
| 253 | if (filesize($outputFile) === 0) { |
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| 254 | throw DumpFailed::dumpfileWasEmpty(); |
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| 255 | } |
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| 256 | } |
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| 257 | |||
| 258 | protected function echoToFile(string $command, string $dumpFile): string |
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| 259 | { |
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| 260 | $dumpFile = '"'.addcslashes($dumpFile, '\\"').'"'; |
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| 261 | |||
| 262 | if ($this->compressor) { |
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| 263 | $compressCommand = $this->compressor->useCommand(); |
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| 264 | |||
| 265 | return <<<BASH |
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| 266 | if output=\$({$command}); |
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| 267 | then |
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| 268 | echo "\$output" | $compressCommand > $dumpFile |
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| 269 | else |
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| 279 |