Complex classes like themes 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. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
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 themes, and based on these observations, apply Extract Interface, too.
1 | <?php |
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20 | trait themes { |
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21 | /** |
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22 | * @param \cs\Request $Request |
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23 | * |
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24 | * @throws ExitException |
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25 | */ |
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26 | static function admin_themes_get ($Request) { |
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27 | if ($Request->route_path(3) == 'update_dependencies') { |
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28 | /** |
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29 | * Get dependencies for theme during update |
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30 | */ |
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31 | static::get_update_dependencies_for_theme($Request->route_path[2]); |
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32 | } elseif ($Request->route_path(2) == 'current') { |
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33 | /** |
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34 | * Get current theme |
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35 | */ |
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36 | static::get_current_theme(); |
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37 | } else { |
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38 | /** |
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39 | * Get array of themes in extended form |
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40 | */ |
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41 | static::get_themes_list(); |
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42 | } |
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43 | } |
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44 | /** |
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45 | * @param string $theme |
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46 | * |
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47 | * @throws ExitException |
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48 | */ |
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49 | protected static function get_update_dependencies_for_theme ($theme) { |
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108 | /** |
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109 | * @param array $theme |
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110 | * @param string $feature |
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111 | */ |
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112 | protected static function check_theme_feature_availability (&$theme, $feature) { |
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124 | /** |
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125 | * @param \cs\Request $Request |
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126 | * |
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127 | * @throws ExitException |
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128 | */ |
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129 | static function admin_themes_put ($Request) { |
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142 | /** |
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143 | * Provides next events: |
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144 | * admin/System/components/themes/current/before |
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145 | * ['name' => theme_name] |
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146 | * |
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147 | * admin/System/components/themes/current/after |
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148 | * ['name' => theme_name] |
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149 | * |
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150 | * @param string $theme |
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151 | * |
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152 | * @throws ExitException |
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153 | */ |
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154 | protected static function set_current_theme ($theme) { |
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183 | /** |
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184 | * Extract uploaded theme |
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185 | * |
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186 | * @throws ExitException |
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187 | */ |
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188 | static function admin_themes_extract () { |
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206 | /** |
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207 | * Update theme |
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208 | * |
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209 | * Provides next events: |
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210 | * admin/System/components/themes/update/before |
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211 | * ['name' => theme_name] |
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212 | * |
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213 | * admin/System/components/themes/update/after |
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214 | * ['name' => theme_name] |
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215 | * |
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216 | * @param \cs\Request $Request |
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217 | * |
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218 | * @throws ExitException |
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219 | */ |
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220 | static function admin_themes_update ($Request) { |
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266 | /** |
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267 | * Delete theme completely |
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268 | * |
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269 | * @param \cs\Request $Request |
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270 | * |
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271 | * @throws ExitException |
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272 | */ |
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273 | static function admin_themes_delete ($Request) { |
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288 | } |
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289 |