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:
Complex classes like admin_controller 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 admin_controller, and based on these observations, apply Extract Interface, too.
1 | <?php |
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18 | class admin_controller |
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19 | { |
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20 | /** @var array Form data */ |
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21 | protected $data = array(); |
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22 | |||
23 | /** @var \phpbb\template\template */ |
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24 | protected $template; |
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25 | |||
26 | /** @var \phpbb\language\language */ |
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27 | protected $language; |
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28 | |||
29 | /** @var \phpbb\request\request */ |
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30 | protected $request; |
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31 | |||
32 | /** @var \phpbb\ads\ad\manager */ |
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33 | protected $manager; |
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34 | |||
35 | /** @var \phpbb\config\db_text */ |
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36 | protected $config_text; |
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37 | |||
38 | /** @var \phpbb\config\config */ |
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39 | protected $config; |
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40 | |||
41 | /** @var \phpbb\group\helper */ |
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42 | protected $group_helper; |
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43 | |||
44 | /** @var \phpbb\ads\controller\admin_input */ |
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45 | protected $input; |
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46 | |||
47 | /** @var \phpbb\ads\controller\admin_helper */ |
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48 | protected $helper; |
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49 | |||
50 | /** @var \phpbb\ads\analyser\manager */ |
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51 | protected $analyser; |
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52 | |||
53 | /** @var string Custom form action */ |
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54 | protected $u_action; |
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55 | |||
56 | /** |
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57 | * Constructor |
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58 | * |
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59 | * @param \phpbb\template\template $template Template object |
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60 | * @param \phpbb\language\language $language Language object |
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61 | * @param \phpbb\request\request $request Request object |
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62 | * @param \phpbb\ads\ad\manager $manager Advertisement manager object |
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63 | * @param \phpbb\config\db_text $config_text Config text object |
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64 | * @param \phpbb\config\config $config Config object |
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65 | * @param \phpbb\group\helper $group_helper Group helper object |
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66 | * @param \phpbb\ads\controller\admin_input $input Admin input object |
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67 | * @param \phpbb\ads\controller\admin_helper $helper Admin helper object |
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68 | * @param \phpbb\ads\analyser\manager $analyser Ad code analyser object |
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69 | * @param string $root_path phpBB root path |
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70 | * @param string $php_ext PHP extension |
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71 | */ |
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72 | 33 | public function __construct(\phpbb\template\template $template, \phpbb\language\language $language, \phpbb\request\request $request, \phpbb\ads\ad\manager $manager, \phpbb\config\db_text $config_text, \phpbb\config\config $config, \phpbb\group\helper $group_helper, \phpbb\ads\controller\admin_input $input, \phpbb\ads\controller\admin_helper $helper, \phpbb\ads\analyser\manager $analyser, $root_path, $php_ext) |
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73 | { |
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74 | 33 | $this->template = $template; |
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75 | 33 | $this->language = $language; |
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76 | 33 | $this->request = $request; |
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77 | 33 | $this->manager = $manager; |
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78 | 33 | $this->config_text = $config_text; |
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79 | 33 | $this->config = $config; |
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80 | 33 | $this->group_helper = $group_helper; |
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81 | 33 | $this->input = $input; |
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82 | 33 | $this->helper = $helper; |
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83 | 33 | $this->analyser = $analyser; |
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84 | |||
85 | // VSE doesn't like this here, but it's really the best placement: |
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86 | // 1. It is only called once |
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87 | // 2. We need all this everywhere in ACP |
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88 | 33 | if (!function_exists('user_get_id_name')) |
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89 | 33 | { |
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90 | include $root_path . 'includes/functions_user.' . $php_ext; |
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91 | } |
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92 | |||
93 | 33 | $this->language->add_lang('posting'); // Used by banner_upload() file errors |
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94 | 33 | $this->language->add_lang('acp', 'phpbb/ads'); |
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95 | |||
96 | 33 | $this->template->assign_var('S_PHPBB_ADS', true); |
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97 | 33 | } |
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98 | |||
99 | /** |
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100 | * Set page url |
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101 | * |
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102 | * @param string $u_action Custom form action |
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103 | * @return void |
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104 | */ |
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105 | 27 | public function set_page_url($u_action) |
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106 | { |
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107 | 27 | $this->u_action = $u_action; |
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108 | 27 | } |
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109 | |||
110 | /** |
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111 | * Get ACP page title for Ads module |
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112 | * |
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113 | * @return string Language string for Ads ACP module |
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114 | */ |
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115 | 1 | public function get_page_title() |
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116 | { |
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117 | 1 | return $this->language->lang('ACP_PHPBB_ADS_TITLE'); |
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118 | } |
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119 | |||
120 | /** |
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121 | * Process user request for settings mode |
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122 | * |
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123 | * @return void |
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124 | */ |
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125 | 3 | public function mode_settings() |
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126 | { |
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127 | 3 | add_form_key('phpbb/ads/settings'); |
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128 | 3 | if ($this->request->is_set_post('submit')) |
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129 | 3 | { |
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130 | // Validate form key |
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131 | 2 | if (check_form_key('phpbb/ads/settings')) |
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132 | 2 | { |
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133 | 1 | $this->config->set('phpbb_ads_adblocker_message', $this->request->variable('adblocker_message', 0)); |
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134 | 1 | $this->config->set('phpbb_ads_enable_views', $this->request->variable('enable_views', 0)); |
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135 | 1 | $this->config->set('phpbb_ads_enable_clicks', $this->request->variable('enable_clicks', 0)); |
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136 | 1 | $this->config_text->set('phpbb_ads_hide_groups', json_encode($this->request->variable('hide_groups', array(0)))); |
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137 | |||
138 | 1 | $this->success('ACP_AD_SETTINGS_SAVED'); |
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139 | } |
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140 | |||
141 | 1 | $this->error('FORM_INVALID'); |
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142 | } |
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143 | |||
144 | 1 | $hide_groups = json_decode($this->config_text->get('phpbb_ads_hide_groups'), true); |
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145 | 1 | $groups = $this->manager->load_groups(); |
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146 | 1 | View Code Duplication | foreach ($groups as $group) |
147 | { |
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148 | 1 | $this->template->assign_block_vars('groups', array( |
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149 | 1 | 'ID' => $group['group_id'], |
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150 | 1 | 'NAME' => $this->group_helper->get_name($group['group_name']), |
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151 | 1 | 'S_SELECTED' => in_array($group['group_id'], $hide_groups), |
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152 | 1 | )); |
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153 | 1 | } |
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154 | |||
155 | 1 | $this->template->assign_vars(array( |
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156 | 1 | 'U_ACTION' => $this->u_action, |
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157 | 1 | 'ADBLOCKER_MESSAGE' => $this->config['phpbb_ads_adblocker_message'], |
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158 | 1 | 'ENABLE_VIEWS' => $this->config['phpbb_ads_enable_views'], |
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159 | 1 | 'ENABLE_CLICKS' => $this->config['phpbb_ads_enable_clicks'], |
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160 | 1 | )); |
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161 | 1 | } |
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162 | |||
163 | /** |
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164 | * Process user request for manage mode |
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165 | * |
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166 | * @return void |
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167 | */ |
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168 | 29 | public function mode_manage() |
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169 | { |
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170 | // Trigger specific action |
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171 | 29 | $action = $this->request->variable('action', ''); |
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172 | 29 | if (in_array($action, array('add', 'edit', 'enable', 'disable', 'delete'))) |
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173 | 29 | { |
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174 | 27 | $this->{'action_' . $action}(); |
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175 | 15 | } |
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176 | else |
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177 | { |
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178 | // Otherwise default to this |
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179 | 2 | $this->list_ads(); |
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180 | } |
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181 | 17 | } |
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182 | |||
183 | /** |
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184 | * Add an advertisement |
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185 | * |
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186 | * @return void |
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187 | */ |
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188 | 16 | protected function action_add() |
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189 | { |
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190 | 6 | add_form_key('phpbb/ads/add'); |
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191 | |||
192 | 6 | $action = $this->get_submitted_action(); |
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193 | if ($action) |
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194 | 6 | { |
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195 | 5 | $this->data = $this->input->get_form_data('phpbb/ads/add'); |
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196 | 16 | $this->{$action}(); |
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197 | 4 | $this->helper->assign_data($this->data, $this->input->get_errors()); |
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198 | 4 | } |
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199 | else |
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200 | { |
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201 | 1 | $this->helper->assign_locations(); |
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202 | } |
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203 | |||
204 | // Set output vars for display in the template |
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205 | 5 | $this->template->assign_vars(array( |
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206 | 5 | 'S_ADD_AD' => true, |
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207 | 5 | 'U_BACK' => $this->u_action, |
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208 | 5 | 'U_ACTION' => "{$this->u_action}&action=add", |
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209 | 5 | 'PICKER_DATE_FORMAT' => input::DATE_FORMAT, |
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210 | 5 | 'U_FIND_USERNAME' => $this->helper->get_find_username_link(), |
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211 | 5 | )); |
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212 | 5 | } |
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213 | |||
214 | /** |
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215 | * Edit an advertisement |
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216 | * |
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217 | * @return void |
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218 | */ |
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219 | 7 | protected function action_edit() |
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220 | { |
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221 | 7 | $ad_id = $this->request->variable('id', 0); |
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222 | 7 | add_form_key('phpbb/ads/edit/' . $ad_id); |
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223 | |||
224 | 7 | $action = $this->get_submitted_action(); |
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225 | if ($action) |
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226 | 7 | { |
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227 | 5 | $this->data = $this->input->get_form_data('phpbb/ads/edit/' . $ad_id); |
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228 | 5 | $this->{$action}(); |
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229 | 3 | } |
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230 | else |
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231 | { |
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232 | 2 | $this->data = $this->manager->get_ad($ad_id); |
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233 | 2 | if (empty($this->data)) |
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234 | 2 | { |
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235 | 1 | $this->error('ACP_AD_DOES_NOT_EXIST'); |
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236 | } |
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237 | |||
238 | // Load ad template locations |
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239 | 1 | $this->data['ad_locations'] = $this->manager->get_ad_locations($ad_id); |
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240 | } |
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241 | |||
242 | // Set output vars for display in the template |
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243 | 4 | $this->template->assign_vars(array( |
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244 | 4 | 'S_EDIT_AD' => true, |
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245 | 4 | 'EDIT_ID' => $ad_id, |
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246 | 4 | 'U_BACK' => $this->u_action, |
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247 | 4 | 'U_ACTION' => "{$this->u_action}&action=edit&id=$ad_id", |
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248 | 4 | 'PICKER_DATE_FORMAT' => input::DATE_FORMAT, |
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249 | 4 | 'U_FIND_USERNAME' => $this->helper->get_find_username_link(), |
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250 | 4 | )); |
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251 | 4 | $this->helper->assign_data($this->data, $this->input->get_errors()); |
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252 | 4 | } |
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253 | |||
254 | /** |
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255 | * Enable an advertisement |
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256 | * |
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257 | * @return void |
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258 | */ |
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259 | 4 | protected function action_enable() |
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260 | { |
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261 | 4 | $this->ad_enable(true); |
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262 | 1 | } |
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263 | |||
264 | /** |
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265 | * Disable an advertisement |
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266 | * |
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267 | * @return void |
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268 | */ |
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269 | 4 | protected function action_disable() |
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270 | { |
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271 | 4 | $this->ad_enable(false); |
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272 | 1 | } |
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273 | |||
274 | /** |
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275 | * Delete an advertisement |
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276 | * |
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277 | * @return void |
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278 | */ |
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279 | 3 | protected function action_delete() |
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280 | { |
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281 | 3 | $ad_id = $this->request->variable('id', 0); |
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282 | if ($ad_id) |
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283 | 3 | { |
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284 | 3 | if (confirm_box(true)) |
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285 | 3 | { |
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286 | // Get ad data so that we can log ad name |
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287 | 2 | $ad_data = $this->manager->get_ad($ad_id); |
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288 | |||
289 | // Delete ad and it's template locations |
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290 | 2 | $this->manager->delete_ad_locations($ad_id); |
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291 | 2 | $success = $this->manager->delete_ad($ad_id); |
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292 | |||
293 | // Only notify user on error or if not ajax |
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294 | 2 | if (!$success) |
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295 | 2 | { |
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296 | 1 | $this->error('ACP_AD_DELETE_ERRORED'); |
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297 | } |
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298 | else |
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299 | { |
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300 | 1 | $this->helper->log('DELETE', $ad_data['ad_name']); |
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301 | |||
302 | 1 | if (!$this->request->is_ajax()) |
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303 | 1 | { |
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304 | 1 | $this->success('ACP_AD_DELETE_SUCCESS'); |
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305 | } |
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306 | } |
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307 | } |
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308 | else |
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309 | { |
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310 | 1 | confirm_box(false, $this->language->lang('CONFIRM_OPERATION'), build_hidden_fields(array( |
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311 | 1 | 'id' => $ad_id, |
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312 | 1 | 'i' => $this->request->variable('i', ''), |
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313 | 1 | 'mode' => $this->request->variable('mode', ''), |
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314 | 1 | 'action' => 'delete', |
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315 | 1 | ))); |
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316 | } |
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317 | 1 | } |
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318 | 1 | } |
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319 | |||
320 | /** |
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321 | * Display the list of all ads |
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322 | * |
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323 | * @return void |
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324 | */ |
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325 | 1 | protected function list_ads() |
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326 | { |
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327 | 1 | foreach ($this->manager->get_all_ads() as $row) |
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328 | { |
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329 | 1 | $ad_enabled = (int) $row['ad_enabled']; |
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330 | 1 | $ad_expired = $this->helper->is_expired($row); |
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331 | |||
332 | 1 | if ($ad_expired && $ad_enabled) |
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333 | 1 | { |
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334 | $ad_enabled = 0; |
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335 | $this->manager->update_ad($row['ad_id'], array('ad_enabled' => 0)); |
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336 | } |
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337 | |||
338 | 1 | $this->template->assign_block_vars($ad_expired ? 'expired' : 'ads', array( |
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339 | 1 | 'NAME' => $row['ad_name'], |
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340 | 1 | 'PRIORITY' => $row['ad_priority'], |
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341 | 1 | 'END_DATE' => $this->helper->prepare_end_date($row['ad_end_date']), |
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342 | 1 | 'VIEWS' => $row['ad_views'], |
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343 | 1 | 'CLICKS' => $row['ad_clicks'], |
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344 | 1 | 'VIEWS_LIMIT' => $row['ad_views_limit'], |
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345 | 1 | 'CLICKS_LIMIT' => $row['ad_clicks_limit'], |
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346 | 1 | 'S_EXPIRED' => $ad_expired, |
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347 | 1 | 'S_ENABLED' => $ad_enabled, |
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348 | 1 | 'U_ENABLE' => $this->u_action . '&action=' . ($ad_enabled ? 'disable' : 'enable') . '&id=' . $row['ad_id'], |
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349 | 1 | 'U_EDIT' => $this->u_action . '&action=edit&id=' . $row['ad_id'], |
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350 | 1 | 'U_DELETE' => $this->u_action . '&action=delete&id=' . $row['ad_id'], |
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351 | 1 | )); |
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352 | 1 | } |
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353 | |||
354 | // Set output vars for display in the template |
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355 | 1 | $this->template->assign_vars(array( |
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356 | 1 | 'U_ACTION_ADD' => $this->u_action . '&action=add', |
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357 | 1 | 'S_VIEWS_ENABLED' => $this->config['phpbb_ads_enable_views'], |
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358 | 1 | 'S_CLICKS_ENABLED' => $this->config['phpbb_ads_enable_clicks'], |
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359 | 1 | )); |
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360 | 1 | } |
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361 | |||
362 | /** |
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363 | * Get what action user wants to do with the form. |
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364 | * Possible options are: |
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365 | * - preview ad code |
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366 | * - upload banner to display in an ad code |
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367 | * - analyse ad code |
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368 | * - submit form (either add or edit an ad) |
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369 | * |
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370 | * @return mixed Action name or false when no action was submitted |
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371 | */ |
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372 | 13 | protected function get_submitted_action() |
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373 | { |
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374 | 13 | $actions = array('preview', 'upload_banner', 'analyse_ad_code', 'submit_add', 'submit_edit'); |
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375 | 13 | foreach ($actions as $action) |
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376 | { |
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377 | 13 | if ($this->request->is_set_post($action)) |
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378 | 13 | { |
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379 | 10 | return $action; |
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380 | } |
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381 | 11 | } |
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382 | |||
383 | 3 | return false; |
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384 | } |
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385 | |||
386 | /** |
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387 | * Enable/disable an advertisement |
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388 | * |
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389 | * @param bool $enable Enable or disable the advertisement? |
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390 | * @return void |
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391 | */ |
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392 | 6 | protected function ad_enable($enable) |
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393 | { |
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394 | 6 | $ad_id = $this->request->variable('id', 0); |
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395 | |||
396 | 6 | $success = $this->manager->update_ad($ad_id, array( |
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397 | 6 | 'ad_enabled' => (int) $enable, |
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398 | 6 | )); |
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399 | |||
400 | // If AJAX was used, show user a result message |
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401 | 6 | if ($this->request->is_ajax()) |
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402 | 6 | { |
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403 | 2 | $json_response = new \phpbb\json_response; |
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404 | 2 | $json_response->send(array( |
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405 | 2 | 'text' => $this->language->lang($enable ? 'ENABLED' : 'DISABLED'), |
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406 | 2 | 'title' => $this->language->lang('AD_ENABLE_TITLE', (int) $enable), |
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407 | 2 | )); |
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408 | } |
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409 | |||
410 | // Otherwise, show traditional infobox |
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411 | if ($success) |
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412 | 4 | { |
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413 | 2 | $this->success($enable ? 'ACP_AD_ENABLE_SUCCESS' : 'ACP_AD_DISABLE_SUCCESS'); |
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414 | } |
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415 | else |
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416 | { |
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417 | 2 | $this->error($enable ? 'ACP_AD_ENABLE_ERRORED' : 'ACP_AD_DISABLE_ERRORED'); |
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418 | } |
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419 | } |
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420 | |||
421 | /** |
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422 | * Submit action "preview". |
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423 | * Prepare advertisement preview. |
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424 | * |
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425 | * @return void |
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426 | */ |
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427 | 2 | protected function preview() |
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431 | |||
432 | /** |
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433 | * Submit action "upload_banner". |
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434 | * Upload banner and append it to the ad code. |
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435 | * |
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436 | * @return void |
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437 | */ |
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438 | 1 | protected function upload_banner() |
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439 | { |
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440 | 1 | $this->data['ad_code'] = $this->input->banner_upload($this->data['ad_code']); |
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441 | 1 | } |
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442 | |||
443 | /** |
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444 | * Submit action "analyse_ad_code". |
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445 | * Upload banner and append it to the ad code. |
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446 | * |
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447 | * @return void |
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448 | */ |
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449 | 1 | protected function analyse_ad_code() |
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453 | |||
454 | /** |
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455 | * Submit action "submit_add". |
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456 | * Add new ad. |
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457 | * |
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458 | * @return void |
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459 | */ |
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460 | 2 | protected function submit_add() |
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472 | |||
473 | /** |
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474 | * Submit action "submit_edit". |
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475 | * Edit ad. |
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476 | * |
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477 | * @return void |
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478 | */ |
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479 | 4 | protected function submit_edit() |
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499 | |||
500 | /** |
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501 | * Print success message. |
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502 | * |
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503 | * @param string $msg Message lang key |
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504 | */ |
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505 | 6 | protected function success($msg) |
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509 | |||
510 | /** |
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511 | * Print error message. |
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512 | * |
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513 | * @param string $msg Message lang key |
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514 | */ |
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515 | 6 | protected function error($msg) |
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519 | } |
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520 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: