| Conditions | 5 |
| Paths | 11 |
| Total Lines | 58 |
| Code Lines | 29 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 149 | public function trimDataSamples(int $limit = null): int |
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| 150 | { |
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| 151 | $affectedRows = 0; |
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| 152 | $db = Craft::$app->getDb(); |
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| 153 | $quotedTable = $db->quoteTableName('{{%webperf_data_samples}}'); |
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| 154 | $limit = $limit ?? Webperf::$settings->dataSamplesStoredLimit; |
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| 155 | |||
| 156 | if ($limit !== null) { |
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| 157 | // https://stackoverflow.com/questions/578867/sql-query-delete-all-records-from-the-table-except-latest-n |
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| 158 | try { |
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| 159 | if ($db->getIsMysql()) { |
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| 160 | // Handle MySQL |
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| 161 | $affectedRows = $db->createCommand(/** @lang mysql */ |
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| 162 | " |
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| 163 | DELETE FROM {$quotedTable} |
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| 164 | WHERE id NOT IN ( |
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| 165 | SELECT id |
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| 166 | FROM ( |
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| 167 | SELECT id |
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| 168 | FROM {$quotedTable} |
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| 169 | ORDER BY dateUpdated DESC |
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| 170 | LIMIT {$limit} |
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| 171 | ) foo |
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| 172 | ) |
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| 173 | " |
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| 174 | )->execute(); |
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| 175 | } |
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| 176 | if ($db->getIsPgsql()) { |
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| 177 | // Handle Postgres |
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| 178 | $affectedRows = $db->createCommand(/** @lang mysql */ |
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| 179 | " |
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| 180 | DELETE FROM {$quotedTable} |
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| 181 | WHERE id NOT IN ( |
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| 182 | SELECT id |
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| 183 | FROM ( |
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| 184 | SELECT id |
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| 185 | FROM {$quotedTable} |
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| 186 | ORDER BY \"dateUpdated\" DESC |
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| 187 | LIMIT {$limit} |
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| 188 | ) foo |
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| 189 | ) |
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| 190 | " |
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| 191 | )->execute(); |
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| 192 | } |
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| 193 | } catch (\Exception $e) { |
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| 194 | Craft::error($e->getMessage(), __METHOD__); |
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| 195 | } |
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| 196 | Craft::info( |
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| 197 | Craft::t( |
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| 198 | 'webperf', |
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| 199 | 'Trimmed {rows} from webperf_data_samples table', |
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| 200 | ['rows' => $affectedRows] |
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| 201 | ), |
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| 202 | __METHOD__ |
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| 203 | ); |
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| 204 | } |
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| 205 | |||
| 206 | return $affectedRows; |
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| 207 | } |
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| 209 |