Total Complexity | 45 |
Total Lines | 288 |
Duplicated Lines | 0 % |
Changes | 0 |
Complex classes like Mapper often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Mapper, and based on these observations, apply Extract Interface, too.
1 | <?php |
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18 | class Mapper |
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19 | { |
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20 | use Configurable; |
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21 | use Extensible; |
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22 | use Injectable; |
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23 | |||
24 | /** |
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25 | * @var array |
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26 | */ |
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27 | private static $field_types = [ |
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28 | 'RAW' => '0', |
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29 | 'FILE' => '1', |
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30 | 'IMAGE' => '2', |
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31 | ]; |
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32 | |||
33 | /** |
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34 | * @var |
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35 | */ |
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36 | private $file; |
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37 | |||
38 | /** |
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39 | * @var JsonMachine |
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40 | */ |
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41 | private $productStream; |
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42 | |||
43 | /** |
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44 | * @var JsonMachine |
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45 | */ |
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46 | private $assetStream; |
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47 | |||
48 | /** |
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49 | * @var array |
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50 | */ |
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51 | private $currentUniqueFields; |
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52 | |||
53 | /** |
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54 | * @var int |
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55 | */ |
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56 | private $importCount = 0; |
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57 | |||
58 | /** |
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59 | * Mapper constructor. |
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60 | * @param $file |
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61 | */ |
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62 | public function __construct($file) |
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67 | } |
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68 | |||
69 | /** |
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70 | * Maps the data |
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71 | */ |
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72 | public function map() |
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73 | { |
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74 | foreach ($this->productStream as $name => $data) { |
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75 | foreach ($this->config()->get('mapping') as $class => $mappings) { |
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76 | $this->mapToObject($class, $mappings, $data); |
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77 | $this->currentUniqueFields = []; |
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78 | } |
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79 | } |
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80 | ImportTask::echo("Imported and updated $this->importCount products."); |
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81 | } |
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82 | |||
83 | /** |
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84 | * @param string $class |
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85 | * @param array $mappings |
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86 | * @param array $data |
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87 | */ |
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88 | private function mapToObject($class, $mappings, $data) |
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130 | } |
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131 | } |
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132 | |||
133 | /** |
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134 | * @param string $class |
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135 | * @param array $mappings |
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136 | * @param array $data |
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137 | * |
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138 | * @return \SilverStripe\ORM\DataObject |
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139 | */ |
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140 | private function findObjectByUnique($class, $mappings, $data) |
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141 | { |
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142 | $uniqueFields = $this->uniqueFields($class, $mappings); |
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143 | $filter = []; |
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144 | foreach ($uniqueFields as $dbField => $salsifyField) { |
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145 | $filter[$dbField] = $data[$salsifyField]; |
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146 | } |
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147 | |||
148 | return DataObject::get($class)->filter($filter)->first(); |
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149 | } |
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150 | |||
151 | /** |
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152 | * @param string $class |
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153 | * @param array $mappings |
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154 | * @return array |
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155 | */ |
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156 | private function uniqueFields($class, $mappings) |
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157 | { |
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158 | if (!empty($this->currentUniqueFields)) { |
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159 | return $this->currentUniqueFields; |
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160 | } |
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161 | |||
162 | $uniqueFields = []; |
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163 | foreach ($mappings as $dbField => $salsifyField) { |
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164 | if (!is_array($salsifyField)) { |
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165 | continue; |
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166 | } |
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167 | |||
168 | if (!array_key_exists('unique', $salsifyField) || |
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169 | !array_key_exists('salsifyField', $salsifyField)) { |
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170 | continue; |
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171 | } |
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172 | |||
173 | if (!$salsifyField['unique'] == true) { |
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174 | continue; |
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175 | } |
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176 | |||
177 | $uniqueFields[$dbField] = $salsifyField['salsifyField']; |
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178 | } |
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179 | |||
180 | $this->currentUniqueFields = $uniqueFields; |
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181 | return $uniqueFields; |
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182 | } |
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183 | |||
184 | /** |
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185 | * @param int $type |
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186 | * @param string|int $value |
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187 | * @param string $dbField |
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188 | * @return mixed |
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189 | */ |
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190 | private function handleType($type, $value, $dbField) |
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191 | { |
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192 | $fieldTypes = $this->config()->get('field_types'); |
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193 | switch ($type) { |
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194 | case $fieldTypes['RAW']: |
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195 | return $value; |
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196 | |||
197 | case $fieldTypes['FILE']: |
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198 | if ($asset = $this->createFile($this->getAssetBySalsifyID($value))) { |
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199 | return preg_match('/ID$/', $dbField) ? $asset->ID : $asset; |
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200 | } |
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201 | |||
202 | case $fieldTypes['IMAGE']: |
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203 | $asset = $this->getAssetBySalsifyID($value); |
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204 | |||
205 | $file = $this->findOrCreateFile($asset['salsify:id'], Image::class); |
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206 | if ($file->SalsifyUpdatedAt && $file->SalsifyUpdatedAt == $asset['salsify:updated_at']) { |
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207 | return preg_match('/ID$/', $dbField) ? $file->ID : $file; |
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208 | } |
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209 | |||
210 | $url = $asset['salsify:url']; |
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211 | $name = $asset['salsify:name']; |
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212 | $supportedImageExtensions = Image::get_category_extensions( |
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213 | Image::singleton()->File->getAllowedCategories() |
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214 | ); |
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215 | |||
216 | if (!in_array(pathinfo($asset['salsify:url'])['extension'], $supportedImageExtensions)) { |
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217 | $url = str_replace( |
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218 | '.' . pathinfo($asset['salsify:url'])['extension'], |
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219 | '.png', |
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220 | $asset['salsify:url'] |
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221 | ); |
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222 | } |
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223 | |||
224 | if (!in_array(pathinfo($asset['salsify:name'])['extension'], $supportedImageExtensions)) { |
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225 | $name = str_replace( |
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226 | '.' . pathinfo($asset['salsify:name'])['extension'], |
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227 | '.png', |
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228 | $asset['salsify:name'] |
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229 | ); |
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230 | } |
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231 | |||
232 | $file->SalsifyUpdatedAt = $asset['salsify:updated_at']; |
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233 | $file->setFromStream(fopen($url, 'r'), $name); |
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234 | $file->write(); |
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235 | return preg_match('/ID$/', $dbField) ? $file->ID : $file; |
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236 | } |
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237 | return ''; |
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238 | } |
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239 | |||
240 | /** |
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241 | * @param $id |
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242 | * @return array|bool |
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243 | */ |
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244 | private function getAssetBySalsifyID($id) |
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245 | { |
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246 | if (is_array($id)) { |
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247 | $id = $id[count($id) - 1]; |
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248 | } |
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249 | |||
250 | $asset = false; |
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251 | foreach ($this->assetStream as $name => $data) { |
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252 | if ($data['salsify:id'] == $id) { |
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253 | $asset = $data; |
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254 | } |
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255 | } |
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256 | $this->resetAssetStream(); |
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257 | return $asset; |
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258 | } |
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259 | |||
260 | /** |
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261 | * @param array|bool $assetData |
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262 | * @param string $class |
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263 | * @return File|bool |
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264 | */ |
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265 | private function createFile($assetData) |
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281 | } |
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282 | |||
283 | /** |
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284 | * @param string $id |
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285 | * @param string $class |
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286 | * @return File|\Dyanmic\Salsify\ORM\FileExtension |
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287 | */ |
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288 | private function findOrCreateFile($id, $class = File::class) |
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289 | { |
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290 | /** @var File|\Dyanmic\Salsify\ORM\FileExtension $file */ |
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291 | if ($file = $class::get()->find('SalisfyID', $id)) { |
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292 | return $file; |
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293 | } |
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294 | |||
295 | $file = $class::create(); |
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296 | $file->SalisfyID = $id; |
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297 | return $file; |
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298 | } |
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299 | |||
300 | /** |
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301 | * |
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302 | */ |
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303 | private function resetAssetStream() |
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306 | } |
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307 | } |
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308 |