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<?php
/**
 * User: zaven
 * Date: 05.09.2018
 * Time: 00:55
 * Project: speech
 **/

require(APPLICATION_BASE . '/vendor/php/autoload.php');

use Google\Cloud\Language\LanguageClient;
use Google\Cloud\Storage\StorageClient;

function analyze_sentiment($text, $projectId = null)
{
    //if (is_null($projectId))
        //$projectId = Config::get()->getMember('googleProjectId');
    $language = new LanguageClient([
        'keyFilePath' => Config::get()->getMember('googleAPIKeyFile'),
    ]);

    // Call the analyzeSentiment function
    $annotation = $language->analyzeSentiment($text);

    // Print document and sentence sentiment information
    $sentiment = $annotation->sentiment();
    return $sentiment;
    /*
    printf('Document Sentiment:' . PHP_EOL);
    printf('  Magnitude: %s' . PHP_EOL, $sentiment['magnitude']);
    printf('  Score: %s' . PHP_EOL, $sentiment['score']);
    printf(PHP_EOL);
    foreach ($annotation->sentences() as $sentence) {
        printf('Sentence: %s' . PHP_EOL, $sentence['text']['content']);
        printf('Sentence Sentiment:' . PHP_EOL);
        printf('  Magnitude: %s' . PHP_EOL, $sentence['sentiment']['magnitude']);
        printf('  Score: %s' . PHP_EOL, $sentence['sentiment']['score']);
        printf(PHP_EOL);
    }
    */
}

function list_objects($bucketName)
{
    $resultArray = array();
    $storage = new StorageClient([
        'keyFilePath' => Config::get()->getMember('googleAPIKeyFile'),
    ]);
    $bucket = $storage->bucket($bucketName);
    foreach ($bucket->objects() as $object) {
        $resultArray[] = $object->name();
    }
    if (count($resultArray)==0)
        return false;
    return $resultArray;
}

function list_objects_with_prefix($bucketName, $prefix)
{
    $resultArray = array();
    $storage = new StorageClient([
        'keyFilePath' => Config::get()->getMember('googleAPIKeyFile'),
    ]);
    $bucket = $storage->bucket($bucketName);
    $options = ['prefix' => $prefix];
    foreach ($bucket->objects($options) as $object) {
        $resultArray[] = $object->name();
    }
    if (count($resultArray)==0)
        return false;
    return $resultArray;
}

function stream_object($bucketName, $objectName)
{
    $storage = new StorageClient([
        'keyFilePath' => Config::get()->getMember('googleAPIKeyFile'),
    ]);
    $bucket = $storage->bucket($bucketName);
    $object = $bucket->object($objectName);
    $stream = $object->downloadAsStream();
    return $stream->getContents();
}