/**

* Private Variables

**/

private $dependencies;

private $analytics_service;

private $profile_names;

private $query_results;

private $query_array;

private $start_date;

private $end_date;

/**

* Public Constructor

**/

public function Analytics($startDate, $endDate, $query_array) {

$this->dependencies = array(

'/usr/local/webapps/branches/ahnjo-apps/reason_package/google-api-php-client/src/Google_Client.php',

'/usr/local/webapps/branches/ahnjo-apps/reason_package/google-api-php-client/src/contrib/Google_AnalyticsService.php',

'config/queryConfig.php',

'config/apiConfig.php'

);

$this->checkDependencies();

$this->analytics_service = $this->createAnalyticsService();

$this->start_date = $startDate;

$this->end_date = $endDate;

$this->query_array = $query_array;

$this->query_results = array();

$this->runBackup();

}

private function checkDependencies() {

foreach($this->dependencies as $dependency) {

if(file_exists($dependency)) {

require_once($dependency);

}

else {

exit('CRITICAL-ERROR: Dependency File Not Found at '.$dependency.' Backup aborted.');

}

}

}

/**

* @return object | $service | Google Analytics Service Object used to run queries

**/

private function createAnalyticsService() {

/**

* Create and Authenticate Google Analytics Service Object

**/

$client = new Google_Client();

$client -> setApplicationName(GOOGLE_API_APP_NAME);

/**

* Makes sure Private Key File exists and is readable. If you get an error, check path in apiConfig.php

**/

if(!file_exists(GOOGLE_API_PRIVATE_KEY_FILE)) {

array_push($GLOBALS['criticalErrors'],"CRITICAL-ERROR: Unable to find GOOGLE_API_PRIVATE_KEY_FILE p12 file at ".GOOGLE_API_PRIVATE_KEY_FILE);

criticalErrorOccurred($criticalErrors,$errors);

exit("CRITICAL-ERROR: Unable to find GOOGLE_API_PRIVATE_KEY_FILE p12 file at ".GOOGLE_API_PRIVATE_KEY_FILE.' Backup aborted.');

}

elseif(!is_readable(GOOGLE_API_PRIVATE_KEY_FILE)) {

array_push($GLOBALS['criticalErrors'],"CRITICAL-ERROR: Unable to read GOOGLE_API_PRIVATE_KEY_FILE p12 file at ".GOOGLE_API_PRIVATE_KEY_FILE);

criticalErrorOccurred($criticalErrors,$errors);

exit("CRITICAL-ERROR: Unable to read GOOGLE_API_PRIVATE_KEY_FILE p12 file at ".GOOGLE_API_PRIVATE_KEY_FILE.' Backup aborted.');

}

$client -> setAssertionCredentials(

new Google_AssertionCredentials(

GOOGLE_API_SERVICE_EMAIL,

array('https://www.googleapis.com/auth/analytics.readonly'),

file_get_contents(GOOGLE_API_PRIVATE_KEY_FILE)

)

);

$client -> setClientId(GOOGLE_API_SERVICE_CLIENT_ID);

$client -> setUseObjects(true);

$service = new Google_AnalyticsService($client);

return $service;

}

/**

* This generates the backup including the directories that need to be created for the backup..

**/

public function runBackup() {

try {

$accounts = $this->analytics_service->management_accounts->listManagementAccounts();

} catch (Exception $e) {

// array_push($GLOBALS['criticalErrors'],'CRITICAL-ERROR: Analytics API Access Denied. Check config/apiConfig.php. Backup aborted.');

// criticalErrorOccurred($criticalErrors,$errors);

exit('CRITICAL-ERROR: Analytics API Access Denied. Check config/apiConfig.php. Backup aborted.');

}

/** Creates an Array of Account Ids **/

if (count($accounts->getItems()) > 0) {

$items = $accounts->getItems();

for($i = 0; $i < count($items); $i++) {

/** Getting Account Id and Pushing to Array **/

$accountId = $items[$i]->getId();

$this->query_results[$accountId] = array();

/** Get Properties for Account ID **/

$webproperties = $this->analytics_service->management_webproperties->listManagementWebproperties($accountId);

$webproperties = $webproperties->getItems(); /** Arras`` of Web Property Objects **/

if (count($webproperties) > 0) {

for ($j = 0; $j < count($webproperties); $j++) {

$propertyId = $webproperties[$j]->getId();

$this->query_results[$accountId][$propertyId] = array();

/** Get Profiles for Property ID **/

$profiles = $this->analytics_service->management_profiles->listManagementProfiles($accountId, $propertyId);

$profiles = $profiles->getItems(); /** Array of Profile Objects **/

for($k = 0; $k < count($profiles); $k++) {

$profileId = $profiles[$k]->getId();

$this->query_results[$accountId][$propertyId][$profileId] = array();

/** Create Backup Files **/

foreach ($this->query_array as $query) {

switch($query['query-type']) {

/** Simple Reports **/

case('single-csv-single-query'):

$results = $this->runQuery($query,$profileId);

$this->query_results[$accountId][$propertyId][$profileId][$query['query-name']] = array();

array_push($this->query_results[$accountId][$propertyId][$profileId][$query['query-name']],$results);

// writeToCSV($results,$profileDirectory,$query['query-name']);

break;

/** College Metrics Report **/

case('single-csv-multiple-queries'):

$results = $this->runMultipleQuery($query,$profileId);

$this->query_results[$accountId][$propertyId][$profileId][$query['query-name']] = array();

array_push($this->query_results[$accountId][$propertyId][$profileId][$query['query-name']],$results);

break;

/** Individual Conversion Reports **/

case('multiple-csv-multiple-queries'):

foreach($query as $q) {

if (gettype($q) == 'array') {

$results = $this->runQuery($q,$profileId);

if ($results->getRows() > 0) {

// if (isset($GLOBALS['CONVERSIONS_ARRAY'][$profileId]) AND gettype($GLOBALS['CONVERSIONS_ARRAY'][$profileId]) == 'array') { /** Property Id found in Conversions Array **/

// $goalName = $q['goal-id'].'_'.$GLOBALS['CONVERSIONS_ARRAY'][$profileId][$q['goal-id']];

// }

// else {

$goalName = $q['goal-id'];

// echo $goalName;

// }

$this->query_results[$accountId][$propertyId][$profileId][$goalName] = array();

array_push($this->query_results[$accountId][$propertyId][$profileId][$goalName],$results);

}

}

}

break;

}

}

}

}

}

}

}

}

private function runQuery($query,$profileId) {

$optParams = $this->createOptionalParams($query);

return $this->analytics_service->data_ga->get(

'ga:'.$profileId,

$this->start_date,

$this->end_date,

$this->arrayToString($query['metrics']),

$optParams

);

}

private function runMultipleQuery($queryArray,$profileId) {

$output = array();

foreach ($queryArray as $query) {

if (gettype($query)=='array') {

$results = $this->runQuery($query,$profileId);

array_push($output,$results);

}

}

return $output;

}

private function createOptionalParams($query) {

// var_dump($query);

$optParams = array();

if( isset($query['dimensions']) AND $query['dimensions']!='' )

$optParams['dimensions'] = $this->arrayToString($query['dimensions']);

if( isset($query['sort']) AND $query['sort']!='' )

$optParams['sort'] = $query['sort'];

if( isset($query['filters']) AND $query['filters']!='' )

$optParams['filters'] = $query['filters'];

$optParams['max-results'] = MAX_RESULTS;

return $optParams;

}

private function arrayToString($array) {

$output = '';

foreach ($array as $string) {

$output = $output.$string.', ';

}

return substr($output,0,count($output)-3);

}

public function getResults() {

// var_dump($this->query_results);

return $this->query_results;

}