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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40 | class TicketExtension extends DataExtension |
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41 | { |
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42 | /** |
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43 | * @var CalendarEvent_Controller |
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44 | */ |
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45 | protected $controller; |
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46 | |||
47 | private static $db = array( |
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48 | 'Capacity' => 'Int', |
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49 | 'OrderMin' => 'Int', |
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50 | 'OrderMax' => 'Int', |
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51 | 'SuccessMessage' => 'HTMLText', |
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52 | 'SuccessMessageMail' => 'HTMLText' |
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53 | ); |
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54 | |||
55 | private static $has_many = array( |
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56 | 'Tickets' => 'Broarm\EventTickets\Ticket.Event', |
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57 | 'Reservations' => 'Broarm\EventTickets\Reservation.Event', |
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58 | 'Attendees' => 'Broarm\EventTickets\Attendee.Event', |
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59 | 'WaitingList' => 'Broarm\EventTickets\WaitingListRegistration.Event', |
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60 | 'Fields' => 'Broarm\EventTickets\UserField.Event' |
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61 | ); |
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62 | |||
63 | private static $defaults = array( |
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64 | 'Capacity' => 50 |
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65 | ); |
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66 | |||
67 | private static $translate = array( |
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68 | 'SuccessMessage', |
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69 | 'SuccessMessageMail' |
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70 | ); |
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71 | |||
72 | public function updateCMSFields(FieldList $fields) |
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119 | |||
120 | /** |
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121 | * Trigger actions after write |
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122 | */ |
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123 | public function onAfterWrite() |
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128 | |||
129 | /** |
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130 | * Creates and sets up the default fields |
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131 | */ |
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132 | public function createDefaultFields() |
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142 | |||
143 | /** |
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144 | * Extend the page actions with an start check in action |
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145 | * |
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146 | * @param FieldList $actions |
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147 | */ |
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148 | public function updateCMSActions(FieldList $actions) |
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164 | |||
165 | /** |
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166 | * Get the leftover capacity |
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167 | * |
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168 | * @return int |
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169 | */ |
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170 | public function getAvailability() |
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174 | |||
175 | /** |
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176 | * Check if the event is expired, either by unavailable tickets or because the date has passed |
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177 | * |
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178 | * @return bool |
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179 | */ |
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180 | public function getEventExpired() |
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192 | |||
193 | /** |
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194 | * Get only the attendees who are certain to attend |
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195 | * Fixme: Using callback filter instead of join, because join gives ambiguous error on 'EventID' |
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196 | * |
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197 | * @return \ArrayList |
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198 | */ |
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199 | public function getGuestList() |
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205 | |||
206 | /** |
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207 | * Get the success message |
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208 | * |
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209 | * @return mixed|string |
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210 | */ |
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211 | View Code Duplication | public function getSuccessContent() |
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219 | |||
220 | /** |
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221 | * Get the mail message |
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222 | * |
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223 | * @return mixed|string |
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224 | */ |
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225 | View Code Duplication | public function getMailContent() |
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233 | |||
234 | /** |
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235 | * Get the Ticket logo |
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236 | * |
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237 | * @return \Image |
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238 | */ |
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239 | public function getMailLogo() |
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243 | |||
244 | /** |
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245 | * Check if the current event can have tickets |
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246 | * |
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247 | * @return bool |
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248 | */ |
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249 | public function canCreateTickets() |
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258 | |||
259 | /** |
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260 | * Get the calendar controller |
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261 | * |
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262 | * @return CalendarEvent_Controller |
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263 | */ |
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264 | public function getController() |
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270 | } |
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271 |
This check marks private properties in classes that are never used. Those properties can be removed.