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dev-chiefworks
2022-05-31 16:21:53 -04:00
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application/controllers/Report.php
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<?php
defined('BASEPATH') or exit('No direct script access allowed');
use Phpml\Regression\LeastSquares;
class Report extends Admin_Controller
{
public function __construct()
{
parent::__construct();
$this->load->model('report_model');
}
public function chart()
{
ini_set('memory_limit', '256M');
$params = $this->input->get();
$data = [];
$errors = [];
$chartData1 = [];
$chartData2 = [];
$data['transport_providers_dropdown'] = [
['id' => 1, 'name' => 'Uber', 'color' => 'rgb(45, 230, 92)'],
['id' => 2, 'name' => 'Lyft', 'color' => 'rgb(255, 0, 255)'],
['id' => 3, 'name' => 'Grab' , 'color' => 'rgb(54, 162, 235)'],
['id' => 4, 'name' => 'ComfortDelGro', 'color' => 'rgb(0, 255, 255)'],
['id' => 5, 'name' => 'GOJEK', 'color' => 'rgb(255, 191, 0)'],
];
if (!empty($params)) {
// get data for period of time 1
$period1_input = [
'start_date' => $params['start_date_1'] ?? '',
'end_date' => $params['end_date_1'] ?? '',
'transport_providers' => $params['transport_providers'] ?? '',
];
// get data for period of time 2
$period2_input = [
'start_date' => $params['start_date_2'] ?? '',
'end_date' => $params['end_date_2'] ?? '',
'transport_providers' => $params['transport_providers'] ?? '',
];
// chart1 and chart2 are same data (just different how to plot chart) => load first to have good performance
$loadDataFromDatabase1 = $response = $this->report_model->getPriceComparisonTrend($period1_input); // for period of time 1
$loadDataFromDatabase2 = $response = $this->report_model->getPriceComparisonTrend($period2_input); // for period of time 2
$chartDataResponse1 = $this->getChartData1($loadDataFromDatabase1, $loadDataFromDatabase2, $data['transport_providers_dropdown']);
$chartDataResponse2 = $this->getChartData2($loadDataFromDatabase1, $loadDataFromDatabase2, $data['transport_providers_dropdown']);
if (!$chartDataResponse1['success'] || !$chartDataResponse2['success']) {
if (!empty($chartDataResponse1['message'])) {
$errors[] = $chartDataResponse1['message'];
}
if (!empty($chartDataResponse2['message'])) {
$errors[] = $chartDataResponse2['message'];
}
} else {
$chartData1 = $chartDataResponse1['data'];
$chartData2 = $chartDataResponse2['data'];
}
}
$data['chartData1'] = json_encode($chartData1);
$data['chartData2'] = json_encode($chartData2);
$data['filterData'] = $params;
$data['errors'] = $errors;
$this->renderAdminPage('report/view_price_comparison_trend', $data);
}
public function getChartData2(array $loadDataFromDatabase1, array $loadDataFromDatabase2, array $transport_providers_map)
{
$errors = [];
$datasets = [];
$general_index_date_map = [];
$datasets_1 = $this->generateChartDataset(
$loadDataFromDatabase1,
$transport_providers_map,
$general_index_date_map,
'Period1'
);
$datasets_2 = $this->generateChartDataset(
$loadDataFromDatabase2,
$transport_providers_map,
$general_index_date_map,
'Period2'
);
if (!$datasets_1['success'] || !$datasets_2['success']) {
if (!empty($datasets_1['message'])) {
$errors[] = $datasets_1['message'];
}
if (!empty($datasets_2['message'])) {
$errors[] = $datasets_2['message'];
}
} else {
$datasets = array_merge($datasets_1['data'], $datasets_2['data']);
}
if (!empty($errors)) {
return [
'success' => false,
'message' => $errors[0]
];
}
$chartData = [
'datasets' => $datasets,
'general_index_date_map' => $general_index_date_map ?? [],
];
return [
'success' => true,
'data' => $chartData
];
}
public function getChartData1(array $loadDataFromDatabase1, array $loadDataFromDatabase2, array $transport_providers_map)
{
$errors = [];
$datasets = [];
$index_date_map_1 = [];
$index_date_map_2 = [];
$datasets_1 = $this->generateChartDataset(
$loadDataFromDatabase1,
$transport_providers_map,
$index_date_map_1,
'Period1',
true
);
$datasets_2 = $this->generateChartDataset(
$loadDataFromDatabase2,
$transport_providers_map,
$index_date_map_2,
'Period2',
true
);
if (!$datasets_1['success'] || !$datasets_2['success']) {
if (!empty($datasets_1['message'])) {
$errors[] = $datasets_1['message'];
}
if (!empty($datasets_2['message'])) {
$errors[] = $datasets_2['message'];
}
} else {
$datasets = array_merge($datasets_1['data'], $datasets_2['data']);
}
if (!empty($errors)) {
return [
'success' => false,
'message' => $errors[0]
];
}
$chartData = [
'datasets' => $datasets,
'index_date_map_1' => $index_date_map_1 ?? [],
'index_date_map_2' => $index_date_map_2 ?? [],
];
return [
'success' => true,
'data' => $chartData
];
}
protected function generateChartDataset(
array $loadDataFromDatabase,
array $transport_providers_map,
array &$index_date_map,
string $period_name,
bool $is_mutiple_x_axis = false) : array
{
if (!$loadDataFromDatabase['success']) {
return [
'success' => false,
'message' => $loadDataFromDatabase['message']
];
}
$datasets = [];
$dataset = [];
$i = count($index_date_map);
foreach ($loadDataFromDatabase['data'] as $key => $item) {
if (!array_key_exists($item['travel_date'], $index_date_map))
{
$index_date_map[$item['travel_date']] = $i;
$i++;
}
$dataset[$item['transport_provider_id']][] = [
'x' => $index_date_map[$item['travel_date']],
'count' => (int) $item['count'],
'y' => $item['cost']
];
}
foreach ($dataset as $transport_provider_id => $chart_data ) {
$found_key = array_search($transport_provider_id, array_column($transport_providers_map, 'id'));
if ($found_key === FALSE) {
continue;
}
$label = $transport_providers_map[$found_key]['name'];
$color = $transport_providers_map[$found_key]['color'];
// add scatter (data point)
$dataset_item = [
'type' => 'scatter',
'showLine' => false,
'label' => $label . " (${period_name})",
// only get [x, y] points to plot chart
'data' => array_map(function($el) {
return ['x' => $el['x'], 'y' => $el['y']];
}, $chart_data),
'backgroundColor' => $color
];
// add trend line based on scatter
$trendLineData = $this->calculateTrendLine($chart_data);
$trend_line_dataset = [
'type' => 'line',
'showLine'=> true,
'fill' => false,
'pointRadius' => 0,
'cubicInterpolationMode' => 'monotone',
'label' => $label . " - Trend line (${period_name})",
'data' => $trendLineData,
'backgroundColor' => $color,
'borderColor'=> $color,
];
if ($is_mutiple_x_axis) {
$dataset_item['xAxisID'] = 'x-' . $period_name;
$trend_line_dataset['xAxisID'] = 'x-' . $period_name;
}
$datasets[] = $dataset_item;
$datasets[] = $trend_line_dataset;
}
return [
'success' => true,
'data' => $datasets
];
}
protected function calculateTrendLine(array $data)
{
// e.g.
// $samples = [[73676, 1996], [77006, 1998], [10565, 2000], [146088, 1995]];
// $targets = [2000, 2750, 15500, 960];
$samples = array_map(function($el) {
return [$el['x'], $el['count']];
}, $data);
$targets = array_map(function($el) {
return $el['y'];
}, $data);
$regression = new LeastSquares();
$regression->train($samples, $targets);
$coefficients = $regression->getCoefficients();
$intercept = $regression->getIntercept();
$result = [];
foreach ($samples as $el) {
$y = $intercept + $el[0] * $coefficients[0] + 1 * $coefficients[1];
$result[] = ['x' => $el[0], 'y' => $y];
}
return $result;
}
public function surgePricingVaraition()
{
global $savvyext;
$this->load->helper('surge_pricing_varaition');
$regression1 = new LeastSquares();
$t = 3;
$date1 = "2020-01-01";
$date2 = "2020-05-10";
$area1 = 14;
$area2 = 11;
$areas = [
10 => 'Central - Tanglin',
11 => 'Central - Newton',
17 => 'Far East - Changi',
14 => 'Central East - Eunos'
];
$t = isset($_GET['t'])?((int)$_GET['t']):$t;
$date1 = isset($_GET['date1'])?date("Y-m-d",strtotime($_GET['date1'])):$date1;
$date2 = isset($_GET['date2'])?date("Y-m-d",strtotime($_GET['date2'])):$date2;
$area1 = isset($_GET['area1'])?((int)$_GET['area1']):$area1;
$area2 = isset($_GET['area2'])?((int)$_GET['area2']):$area2;
if (3 > $t || $t > 5) $t = 3;
if (!array_key_exists($area1,$areas)) $area1 = 14;
if (!array_key_exists($area2,$areas)) $area2 = 11;
$providers = [3 => "Grab", 5 => "Gojek", 4 => "ComfortDelGro"];
$c = '#ff5555';
list($data1,$label1,$poly1) = $this->report_model->area_to_area($area1, $area2, $date1, $date2, $t, $c);
$res1 = $this->surgePricingTrendLine($regression1, $data1);
$pub1 = $res1[0];
$c = '#5555ff';
list($data2,$label2,$poly2) = $this->report_model->area_to_area($area2, $area1, $date1, $date2, $t, $c);
$res2 = $this->surgePricingTrendLine($regression1, $data2);
$pub2 = $res2[0];
$data = array_merge($data1, $data2);
$data = [
't' => $t,
'date1' => $date1,
'date2' => $date2,
'area1' => $area1,
'area2' => $area2,
'areas' => $areas,
'providers' => $providers,
'data' => $data,
'data1' => $data1,
'data2' => $data2,
'label1' => $label1,
'label2' => $label2,
'poly1' => $poly1,
'poly2' => $poly2,
'res1' => $res1,
'res2' => $res2,
'pub1' => $pub1,
'pub2' => $pub2,
'google_api_key' => $savvyext->cfgReadChar( 'google.api_key' )
];
$this->renderAdminPage('report/view_surge_pricing_varaition', $data);
}
/***
* Email & Bank Connection Log
*/
public function emailAndBankConnectionReport()
{
$this->load->model('combo_model');
$data_report = $this->report_model->getEmailAndBankConnectionReportSummary();
$data = [
'page_title' => 'Email & Bank Connection Report',
'data_report' => $data_report,
'country_filter' => $this->combo_model->getCountriesHasAccount('country_filter', ''),
];
$this->renderAdminPage('report/view_email_and_bank_connection_report', $data);
}
public function emailAndBankConnectionReportDatatables()
{
$data = $this->report_model->getEmailBankConnectionReportDatatables($this->input->post(), 'search');
header('Content-Type: application/json');
echo json_encode($data);
}
public function emailAndBankConnectionReportCSV()
{
$this->load->library('session');
$postData = $this->session->userdata("EBCRR_PARAM");
if ($postData) {
$this->report_model->getEmailBankConnectionReportDatatables($postData, 'export_csv');
} else {
echo 'Please try again!';
die();
}
}
public function getBankAccountDetailJson()
{
$member_id = $this->input->get('member_id');
$data = $this->report_model->getBankAccountDetail($member_id);
header('Content-Type: application/json');
echo json_encode($data);
}
public function surgePricingTrendLine($regression1, $data)
{
$i = 0;
$pub1 = array();
$xs1 = [];
$ys1 = [];
$ys2 = [];
foreach ($data as $f) {
$t = $f['time'];
$pub1[$t] = array($t,$f['cost']);
$xs1[] = [$t];
$ys1[] = $f['cost'];
$i++;
}
if ($i>0) {
$regression1->train($xs1,$ys1);
}
foreach ($pub1 as $key=>$f) {
$y = $regression1->predict( [$f[0]] );
$f[2] = $y;
$pub1[$key] = $f;
}
return [$pub1,$xs1,$ys2];
}
protected function renderAdminPage($page_name, $data)
{
$this->load->view('admin/view_admin_header', $data);
$this->load->view($page_name, $data);
$this->load->view('admin/view_admin_footer', $data);
}
}