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<?php |
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declare(strict_types = 1); |
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namespace unreal4u\TelegramAPI\Abstracts; |
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use Psr\Log\LoggerInterface; |
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use unreal4u\TelegramAPI\Exceptions\MissingMandatoryField; |
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use unreal4u\TelegramAPI\Interfaces\TelegramMethodDefinitions; |
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use unreal4u\TelegramAPI\InternalFunctionality\TelegramRawData; |
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use unreal4u\TelegramAPI\Telegram\Types\Message; |
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/** |
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* Contains methods that all Telegram methods should implement |
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*/ |
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abstract class TelegramMethods implements TelegramMethodDefinitions |
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{ |
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/** |
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* Most of the methods will return a Message object on success, so set that as the default. |
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* |
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* This function may however be overwritten if the method uses another object, there are many examples of this, so |
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* just check out the rest of the code. A good place to start is GetUserProfilePhotos or LeaveChat |
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* |
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* @see unreal4u\TelegramAPI\Telegram\Methods\GetUserProfilePhotos |
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* @see unreal4u\TelegramAPI\Telegram\Methods\LeaveChat |
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* |
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* @param TelegramRawData $data |
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* @param LoggerInterface $logger |
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* |
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* @return TelegramTypes |
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*/ |
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public static function bindToObject(TelegramRawData $data, LoggerInterface $logger): TelegramTypes |
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{ |
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return new Message($data->getResult(), $logger); |
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} |
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/** |
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* Before making the actual request this method will be called |
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* |
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* It must be used to json_encode stuff, or do other changes in the internal class representation _before_ sending |
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* it to the Telegram servers |
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* |
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* @return TelegramMethods |
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*/ |
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public function performSpecialConditions(): TelegramMethods |
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{ |
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if (!empty($this->reply_markup)) { |
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$this->reply_markup = json_encode($this->reply_markup); |
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} |
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return $this; |
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} |
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/** |
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* Exports the class to an array in order to send it to the Telegram servers without extra fields that we don't need |
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* |
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* @return array |
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*/ |
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final public function export(): array |
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{ |
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$finalArray = []; |
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$mandatoryFields = $this->getMandatoryFields(); |
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$cleanObject = new $this(); |
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foreach ($cleanObject as $fieldId => $value) { |
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if ($this->$fieldId === $cleanObject->$fieldId) { |
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if (in_array($fieldId, $mandatoryFields)) { |
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throw new MissingMandatoryField(sprintf( |
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'The field "%s" is mandatory and empty, please correct', |
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$fieldId |
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)); |
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} |
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} else { |
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$finalArray[$fieldId] = $this->$fieldId; |
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} |
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} |
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return $finalArray; |
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} |
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/** |
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* Will resolve the dependency of a mandatory inline_message_id OR a chat_id + message_id |
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* |
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* NOTE: This will use pass by reference instead of copy on write as the use-case for this functions allows this |
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* |
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* @param array $return |
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* @return array |
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*/ |
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final protected function mandatoryUserOrInlineMessageId(array &$return): array |
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{ |
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if (empty($this->chat_id) && empty($this->message_id)) { |
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$return[] = 'inline_message_id'; |
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} |
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// On the other hand, chat_id and message_id are mandatory if inline_message_id is not filled in |
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if (empty($this->inline_message_id)) { |
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$return[] = 'chat_id'; |
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$return[] = 'message_id'; |
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} |
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return $return; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: