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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| 39 | class EventController |
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| 40 | { |
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| 41 | /** |
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| 42 | * @var ContentReader |
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| 43 | */ |
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| 44 | private $reader; |
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| 45 | |||
| 46 | /** |
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| 47 | * @var \Symfony\Component\Form\FormFactoryInterface |
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| 48 | */ |
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| 49 | private $formFactory; |
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| 50 | |||
| 51 | /** |
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| 52 | * @var \Symfony\Component\Routing\RouterInterface |
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| 53 | */ |
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| 54 | private $router; |
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| 55 | |||
| 56 | /** |
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| 57 | * @var \LiteCQRS\Bus\CommandBus |
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| 58 | */ |
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| 59 | private $commandBus; |
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| 60 | |||
| 61 | /** |
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| 62 | * @var \BCRM\BackendBundle\Entity\Event\RegistrationRepository |
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| 63 | */ |
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| 64 | private $registrationRepo; |
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| 65 | |||
| 66 | /** |
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| 67 | * @var \BCRM\BackendBundle\Entity\Event\EventRepository |
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| 68 | */ |
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| 69 | private $eventRepo; |
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| 70 | |||
| 71 | /** |
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| 72 | * @var \BCRM\BackendBundle\Entity\Event\UnregistrationRepository |
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| 73 | */ |
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| 74 | private $unregistrationRepo; |
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| 75 | |||
| 76 | /** |
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| 77 | * @var \BCRM\BackendBundle\Entity\Event\TicketRepository |
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| 78 | */ |
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| 79 | private $ticketRepo; |
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| 80 | |||
| 81 | /** |
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| 82 | * @var MoneyFormatServiceInterface |
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| 83 | */ |
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| 84 | private $moneyFormat; |
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| 85 | |||
| 86 | public function __construct( |
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| 87 | ContentReader $reader, |
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| 88 | FormFactoryInterface $formFactory, |
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| 89 | RouterInterface $router, |
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| 90 | CommandBus $commandBus, |
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| 91 | EventRepository $eventRepo, |
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| 92 | RegistrationRepository $registrationRepo, |
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| 93 | UnregistrationRepository $unregistrationRepo, |
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| 94 | TicketRepository $ticketRepo, |
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| 95 | MoneyFormatServiceInterface $moneyFormat) |
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| 96 | { |
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| 97 | $this->reader = $reader; |
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| 98 | $this->formFactory = $formFactory; |
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| 99 | $this->router = $router; |
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| 100 | $this->commandBus = $commandBus; |
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| 101 | $this->eventRepo = $eventRepo; |
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| 102 | $this->registrationRepo = $registrationRepo; |
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| 103 | $this->unregistrationRepo = $unregistrationRepo; |
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| 104 | $this->ticketRepo = $ticketRepo; |
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| 105 | $this->moneyFormat = $moneyFormat; |
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| 106 | } |
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| 107 | |||
| 108 | /** |
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| 109 | * @param Request $request |
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| 110 | * |
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| 111 | * @Template() |
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| 112 | */ |
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| 113 | public function registerAction(Request $request) |
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| 114 | { |
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| 115 | $eventOptional = $this->eventRepo->getNextEvent(); |
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| 116 | if (!$eventOptional->isDefined()) { |
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| 117 | return new RedirectResponse($this->router->generate('bcrmweb_registration_comingsoon')); |
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| 118 | } |
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| 119 | $event = $eventOptional->get(); |
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| 120 | if (Carbon::createFromTimestamp($event->getRegistrationEnd()->getTimestamp())->isPast()) { |
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| 121 | throw new AccessDeniedHttpException('Registration not possible.'); |
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| 122 | } |
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| 123 | $model = new EventRegisterModel(); |
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| 124 | $model->payment = 'paypal'; |
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| 125 | if ($request->getSession()->has('registration')) { |
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| 126 | $model = $request->getSession()->get('registration'); |
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| 127 | } |
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| 128 | $model->event = $event; |
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| 129 | $form = $this->formFactory->create('event_register', $model, |
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| 130 | array( |
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| 131 | 'action' => $request->getPathInfo(), |
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| 132 | 'validation_groups' => array('registration') |
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| 133 | ) |
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| 134 | ); |
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| 135 | $form->handleRequest($request); |
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| 136 | if ($form->isValid()) { |
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| 137 | $request->getSession()->set('registration', $form->getData()); |
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| 138 | return new RedirectResponse($this->router->generate('bcrmweb_registration_review')); |
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| 139 | } |
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| 140 | return array( |
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| 141 | 'sponsors' => $this->reader->getPage('Sponsoren/Index.md'), |
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| 142 | 'content' => $this->reader->getPage('Registrierung/Intro.md'), |
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| 143 | 'event' => $event, |
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| 144 | 'pricePerDayFormatted' => $this->moneyFormat->format($event->getPrice() / 100, 'de'), |
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| 145 | 'form' => $form->createView(), |
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| 146 | ); |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * @param Request $request |
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| 151 | * |
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| 152 | * @Template() |
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| 153 | */ |
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| 154 | public function registerReviewAction(Request $request) |
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| 155 | { |
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| 156 | $event = $this->eventRepo->getNextEvent()->getOrThrow(new AccessDeniedHttpException('No event.')); |
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| 157 | if (Carbon::createFromTimestamp($event->getRegistrationEnd()->getTimestamp())->isPast()) { |
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| 158 | throw new AccessDeniedHttpException('Registration not possible.'); |
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| 159 | } |
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| 160 | /** @var EventRegisterModel $model */ |
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| 161 | $model = $request->getSession()->get('registration'); |
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| 162 | $model->event = $event; |
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| 163 | $form = $this->formFactory->create('event_register_review', $model, |
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| 164 | array( |
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| 165 | 'action' => $request->getPathInfo(), |
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| 166 | 'validation_groups' => array('review') |
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| 167 | ) |
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| 168 | ); |
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| 169 | $form->handleRequest($request); |
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| 170 | if ($form->isValid()) { |
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| 171 | /* @var EventRegisterModel $formData */ |
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| 172 | $formData = $form->getData(); |
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| 173 | $command = new RegisterCommand(); |
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| 174 | $command->event = $event; |
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| 175 | $command->email = $formData->email; |
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| 176 | $command->name = $formData->name; |
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| 177 | $command->twitter = $formData->twitter; |
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| 178 | $command->saturday = $formData->wantsSaturday(); |
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| 179 | $command->sunday = $formData->wantsSunday(); |
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| 180 | $command->food = $formData->food; |
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| 181 | $command->participantList = $formData->participantList; |
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| 182 | $command->tags = $formData->tags; |
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| 183 | $command->donation = $formData->getDonation(); |
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| 184 | $command->payment = $formData->payment; |
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| 185 | $generator = new SecureRandom(); |
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| 186 | $command->uuid = sha1($generator->nextBytes(16)); |
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| 187 | $this->commandBus->handle($command); |
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| 188 | $request->getSession()->remove('registration'); |
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| 189 | return new RedirectResponse($this->router->generate('bcrmweb_registration_ok')); |
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| 190 | } |
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| 191 | // TODO: Move to service |
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| 192 | $ticketPrice = ($model->days === 3 ? 2 : 1) * $event->getPrice(); |
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| 193 | $orderTotal = $model->getDonation() + $ticketPrice; |
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| 194 | $fees = 0; |
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| 195 | if ($model->payment === 'paypal') { |
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| 196 | // Mit Paypal (zzgl. 1,9% + 0,35 Cent) |
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| 197 | $fees = ceil($orderTotal * 0.019) + 35; |
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| 198 | } else { |
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| 199 | // Mit barzahlen.de (zzgl. 3,0% + 0,35 Cent) |
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| 200 | $fees = ceil($orderTotal * 0.03) + 35; |
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| 201 | } |
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| 202 | $total = $model->getDonation() + $ticketPrice + $fees; |
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| 203 | return array( |
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| 204 | 'sponsors' => $this->reader->getPage('Sponsoren/Index.md'), |
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| 205 | 'event' => $event, |
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| 206 | 'pricePerDayFormatted' => $this->moneyFormat->format($event->getPrice() / 100, 'de'), |
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| 207 | 'ticketPriceFormatted' => $this->moneyFormat->format($ticketPrice / 100, 'de'), |
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| 208 | 'donationFormatted' => $this->moneyFormat->format($model->getDonation() / 100, 'de'), |
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| 209 | 'orderTotalFormatted' => $this->moneyFormat->format($orderTotal / 100, 'de'), |
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| 210 | 'feesFormatted' => $this->moneyFormat->format($fees / 100, 'de'), |
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| 211 | 'totalFormatted' => $this->moneyFormat->format($total / 100, 'de'), |
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| 212 | 'form' => $form->createView(), |
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| 213 | 'registration' => $model, |
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| 214 | ); |
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| 215 | } |
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| 216 | |||
| 217 | /** |
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| 218 | * @param Request $request |
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| 219 | * |
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| 220 | * @Template() |
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| 221 | * |
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| 222 | * @return array |
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| 223 | */ |
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| 224 | public function registerPaymentAction($id, Request $request) |
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| 225 | { |
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| 226 | $event = $this->eventRepo->getNextEvent()->getOrThrow(new AccessDeniedHttpException('No event.')); |
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| 227 | if (Carbon::createFromTimestamp($event->getRegistrationEnd()->getTimestamp())->isPast()) { |
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| 228 | throw new AccessDeniedHttpException('Registration not possible.'); |
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| 229 | } |
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| 230 | $registrationOptional = $this->registrationRepo->getRegistrationByUuid($id); |
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| 231 | if ($registrationOptional->isEmpty()) { |
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| 232 | throw new NotFoundHttpException('Unknown registration.'); |
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| 233 | } |
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| 234 | /** @var Registration $registration */ |
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| 235 | $registration = $registrationOptional->get(); |
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| 236 | $tickets = $this->ticketRepo->getTicketsForEmail($event, $registration->getEmail()); |
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| 237 | $numTickets = count($tickets); |
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| 238 | // TODO: Move to service |
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| 239 | $registeredDays = 0; |
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| 240 | if ($registration->getSaturday()) { |
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| 241 | $registeredDays += 1; |
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| 242 | } |
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| 243 | if ($registration->getSunday()) { |
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| 244 | $registeredDays += 1; |
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| 245 | } |
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| 246 | $ticketPrice = $numTickets * $event->getPrice(); |
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| 247 | $orderTotal = $registration->getDonation() + $ticketPrice; |
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| 248 | $fees = 0; |
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| 249 | if ($registration->getPaymentMethod() === 'paypal') { |
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| 250 | // Mit Paypal (zzgl. 1,9% + 0,35 Cent) |
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| 251 | $fees = ceil($orderTotal * 0.019) + 35; |
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| 252 | } else { |
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| 253 | // Mit barzahlen.de (zzgl. 3,0% + 0,35 Cent) |
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| 254 | $fees = ceil($orderTotal * 0.03) + 35; |
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| 255 | } |
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| 256 | $total = $registration->getDonation() + $ticketPrice + $fees; |
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| 257 | |||
| 258 | /** @var EventRegisterModel $model */ |
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| 259 | return array( |
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| 260 | 'sponsors' => $this->reader->getPage('Sponsoren/Index.md'), |
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| 261 | 'event' => $event, |
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| 262 | 'registration' => $registration, |
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| 263 | 'total' => $total, |
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| 264 | 'tickets' => $tickets, |
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| 265 | 'partialOrder' => $registeredDays !== $numTickets, |
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| 266 | 'days' => $registeredDays |
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| 267 | ); |
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| 268 | } |
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| 269 | |||
| 270 | /** |
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| 271 | * @param Request $request |
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| 272 | * |
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| 273 | * @Template() |
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| 274 | */ |
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| 275 | View Code Duplication | public function unregisterAction(Request $request) |
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| 276 | { |
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| 277 | $form = $this->formFactory->create(new EventUnregisterType()); |
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| 278 | $form->handleRequest($request); |
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| 279 | if ($form->isValid()) { |
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| 280 | /* @var EventRegisterModel $formData */ |
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| 281 | $formData = $form->getData(); |
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| 282 | $command = new UnregisterCommand(); |
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| 283 | $command->event = $this->eventRepo->getNextEvent()->getOrThrow(new AccessDeniedHttpException('No event.')); |
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| 284 | $command->email = $formData->email; |
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| 285 | $command->saturday = $formData->wantsSaturday(); |
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| 286 | $command->sunday = $formData->wantsSunday(); |
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| 287 | $this->commandBus->handle($command); |
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| 288 | return new RedirectResponse($this->router->generate('bcrmweb_unregistration_ok')); |
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| 289 | } |
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| 290 | return array( |
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| 291 | 'sponsors' => $this->reader->getPage('Sponsoren/Index.md'), |
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| 292 | 'form' => $form->createView(), |
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| 293 | ); |
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| 294 | } |
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| 295 | |||
| 296 | public function confirmUnregistrationAction($id, $key) |
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| 307 | |||
| 308 | /** |
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| 309 | * @param Request $request |
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| 310 | * @param $id |
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| 311 | * @param $code |
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| 312 | * |
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| 313 | * @return array|RedirectResponse |
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| 314 | * @Template() |
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| 315 | */ |
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| 316 | View Code Duplication | public function cancelTicketAction(Request $request, $id, $code) |
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| 337 | |||
| 338 | /** |
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| 339 | * @return Response |
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| 340 | * @Template() |
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| 341 | */ |
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| 342 | public function participantListAction() |
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| 351 | } |
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| 352 |
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.