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<?php |
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namespace App\Http\Requests; |
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use Illuminate\Foundation\Http\FormRequest; |
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class SelectTickets extends FormRequest |
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{ |
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/** |
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* Determine if the user is authorized to make this request. |
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* |
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* @return bool Always true since this is a public function |
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*/ |
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public function authorize() |
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{ |
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return true; |
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} |
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/** |
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* Get the validation rules that apply to the request. |
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* |
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* @return array |
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*/ |
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public function rules() |
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{ |
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return [ |
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'tickets' => [ |
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'required', |
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'array', |
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function ($attribute, $value, $fail) { |
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// First check if the selected categories are linked |
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// to the selected event. Else attackers could select |
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// cheaper categories for their tickets |
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$event = $this->route('event'); |
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$allowedPriceCategories = $event->priceList->categories->pluck('id')->toArray(); |
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$selectedCategoryIds = array_keys( $value ); |
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$notAllowedCategories = array_diff($selectedCategoryIds, $allowedPriceCategories); |
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if(!empty($notAllowedCategories)) { |
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$fail('Please only select offered price categories!'); |
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} |
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// Check if the ticket sum is between 1 and 8 |
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$ticketSum = array_sum($value); |
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if ($ticketSum === 0) { |
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$fail('Please select at least one or up to 8 tickets!'); |
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} elseif ($ticketSum > 8) { |
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$fail('Please select not more than 8 tickets!'); |
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} |
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$event = $this->route('event'); |
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if ($event->freeTickets() < $ticketSum) { |
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$fail('There are not as many tickets as you chose left. Please only choose a valid amount of tickets!'); |
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} |
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} |
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], |
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'selected-seats' => [ |
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'sometimes', |
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'required', |
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'array', |
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function ($attribute, $value, $fail) { |
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// We do not check if the amount of selected seats, because we already do this in the checks |
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// for the amount of tickets. Since the amount of tickets and seats |
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// has to be equal, the previous check implicits that the seats are |
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// free by the amount. |
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$seatsSum = count($value); |
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$event = $this->route('event'); |
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// Check if number of tickets and seats is equal |
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$numberOfTickets = array_sum($this->validator->getData()['tickets']); |
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if ($seatsSum != $numberOfTickets) { |
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$fail('Please select as much seats as tickets!'); |
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} |
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// Check if the seatIds are in the range of 1 - event's seats amount |
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$validSeats = array_filter($value, function ($arrItem) use ($event) { |
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return $arrItem > 0 && $arrItem <= $event->seatMap->seats; |
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}); |
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if (count($validSeats) != $seatsSum) { |
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$fail('Please only select seats displayed on the map!'); |
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} |
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// Check if the selected seats are still free |
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if (!$event->areSeatsFree($value)) { |
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$fail('There are not as many tickets as you chose left. Please only choose a valid amount of tickets!'); |
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} |
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} |
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] |
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]; |
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} |
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/** |
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* Overwrite error messages displayed on validition violation |
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*/ |
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public function messages() |
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{ |
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return [ |
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'tickets.required' => 'Please select at least one or up to 8 tickets!', |
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]; |
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} |
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} |
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gegmar /
cluber
