public function addTranslation(TranslationInterface $translation)
{
$translation->setPage($this);
$this->translations[] = $translation;
return $this;
}
/**
* When executed, this method will firstly attempt to identify the language
* that the content text is in. If this can not be done, then the workflow
* marks the language as unknown and returns the content. If a language is
* identified as being same as the base language, the text is marked with the
* language code and the content is returned. If the language is identified
* as something other than the base language, then translations are attempted
* and the translated text in the base language is added at position 0 to the
* content text collection while the original text is stored at position 1
*
* @param \Log $logger
* @return \Swiftriver\Core\ObjectModel\Content
*/
public function RunWorkflow($logger)
{
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [Method invoked]", \PEAR_LOG_DEBUG);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [START: Selecting the primary text collection]", \PEAR_LOG_DEBUG);
//Get the first and only entry in the language specific text array
$languageSpecificText = reset($this->content->text);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [END: Selecting the primary text collection]", \PEAR_LOG_DEBUG);
//Try to detect and if required translate the text
try {
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [START: Selecting the text for language detection]", \PEAR_LOG_DEBUG);
//if the content does not have a language code then try to detect it
if (!isset($languageSpecificText->languageCode) || $languageSpecificText->languageCode != null) {
//extract the text to use for language detection
$textForDetection = $this->ExtractTextForLanguageDetection($languageSpecificText);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [END: Selecting the text for language detection]", \PEAR_LOG_DEBUG);
//If no text then throw and exception
if ($textForDetection == null) {
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [No text could be selected for language detection]", \PEAR_LOG_DEBUG);
throw new \Exception("No text could be extracted for language detection");
}
//Get an new instance of the detection interface
$interface = new LanguageDetectionInterface($textForDetection, $this->referer);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [START: Calling the language detection service]", \PEAR_LOG_DEBUG);
//get the detected language code from the interafce
$languageCode = $interface->GetLanguageCode();
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [END: Calling the language detection service]", \PEAR_LOG_DEBUG);
//set the language code
$languageSpecificText->languageCode = $languageCode;
}
//If the language IS the base language
if (strtolower($languageCode) == strtolower($this->baseLanguageCode)) {
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [No translation required]", \PEAR_LOG_DEBUG);
//set the language specific text as the first in the collection
$this->content->text[0] = $languageSpecificText;
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [Method finished]", \PEAR_LOG_DEBUG);
//return the content - no translation required
return $this->content;
}
//ELSE we need to translate
//Set up the variables to hold the translated content
$title = "";
$textArray = array();
//get the translation interafce
$interface = new TranslationInterface($languageSpecificText->languageCode, $this->baseLanguageCode, $this->referer, $logger);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [START: Calling the Translation interface]", \PEAR_LOG_DEBUG);
//first translate the title
$title = $interface->Translate($languageSpecificText->title);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [END: Calling the Translation interface]", \PEAR_LOG_DEBUG);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [START: Applying translation to content item]", \PEAR_LOG_DEBUG);
//then loop through the text, translating it
if (isset($languageSpecificText->text) && is_array($languageSpecificText->text)) {
foreach ($languageSpecificText->text as $text) {
$textArray[] = $interface->Translate($text);
}
}
//once we have the translated text, create a new language specific text instance
$baseLanguageSpecificText = new \Swiftriver\Core\ObjectModel\LanguageSpecificText($this->baseLanguageCode, $title, $textArray);
//Set this as the first in the contents collection of language specific text
$this->content->text[0] = $baseLanguageSpecificText;
//reset the source language text to the second position
$this->content->text[1] = $languageSpecificText;
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [END: Applying translation to content item]", \PEAR_LOG_DEBUG);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [Method finished]", \PEAR_LOG_DEBUG);
//return the content
return $this->content;
} catch (\Exception $e) {
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [{$e}]", \PEAR_LOG_ERR);
//if there was an exception throw then mark the text as uknown
$languageSpecificText->languageCode = "unknown";
//set it back to the content
$this->content->text[0] = $languageSpecificText;
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [An exception was throw, setting the language type to 'unknown']", \PEAR_LOG_DEBUG);
$logger->log("Swiftriver::GoogleLanguageServiceInterface::DetectionAndTranslationWorkflow::RunWorkflow [Method finished]", \PEAR_LOG_DEBUG);
//return the content without translation
return $this->content;
}
}
