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app/Http/Controllers/CsvController/CsvController.php

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+<?php
+
+namespace App\Http\Controllers\CsvController;
+
+use App\Http\Controllers\Controller;
+use Error;
+use Illuminate\Support\Facades\Log;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Csv;
+use PhpOffice\PhpSpreadsheet\Writer\Xls;
+use PhpOffice\PhpSpreadsheet\Writer\Ods;
+use RuntimeException;
+
+class CsvController extends Controller
+{
+    private $csv_data_init;
+
+    private $csv_data_handling;
+
+    public function __construct()
+    {
+        $this->csv_data_init = new CsvDataInit();
+        $this->csv_data_handling = new CsvDataHandling();
+        $this->third_party_integrations_allow = env('THIRD_PARTY_INTEGRATIONS_ALLOW', false);
+    }
+
+    function create_columns(array $issue, array $issue_time, array $company_agents = [])
+    {
+        try {
+            $array = $this->csv_data_init->initialize_csv_data($issue);
+            $array = $this->csv_data_init->handle_labels($array, $issue['labels']);
+            $array = $this->csv_data_handling->handle_csv_time($array, $issue, $issue_time, $company_agents);
+            return $array;
+        } catch (Error $e) {
+            Log::error('E-CSV-COLUMNS - ' . $e->getMessage());
+            throw new RuntimeException("E-CSV-GEN");
+        }
+    }
+
+    private function create_calc_document($reader, $file_name, $is_xls = false)
+    {
+        // Determine the appropriate writer based on the file type
+        $file_extension = $is_xls ? '.xls' : '.csv';
+        $writerClass = $is_xls ? Xls::class : Csv::class;
+        // Create the writer instance
+        $writer = new $writerClass($reader);
+        $file_name = $file_name . $file_extension;
+        $file_path = storage_path() . '/app/' . $file_name;
+        $writer->save($file_path);
+
+        //Define header information
+        header('Content-Description: File Transfer');
+        header('Content-Type: application/octet-stream');
+        header("Cache-Control: no-cache, must-revalidate");
+        header("Expires: 0");
+        header('Content-Disposition: attachment; filename="' . basename($file_name) . '"');
+        header('Content-Length: ' . filesize($file_path));
+        header('Pragma: public');
+
+        //Terminate from the script
+        return ['file_name' => $file_name, 'file_path' => $file_path];
+    }
+
+    function create_csv(string $issues_params_state, string $from_date, string $to_date, array $data)
+    {
+        try {
+            $file_name = $issues_params_state . "_issues_from_" . $from_date . "_to_" . $to_date;
+            $reader = new Spreadsheet();
+            $spreadsheet = $reader->getActiveSheet();
+            $headers = array_keys($data[0]);
+            $data_new = array_unshift($data, $headers);
+            $spreadsheet->fromArray(
+                $data
+            );
+            // The code is enclosed in a function for eventual support of multiple file types as xls and ods, as of now a csv will be generated
+            $csv_file = $this->create_calc_document($reader, $file_name);
+            // $ods_file = $this->third_party_integrations_allow ? $this->create_calc_document($reader, $file_name) : null;
+            return $csv_file;
+        } catch (Error $e) {
+            Log::error('E-CSV-GEN - ' . $e->getMessage());
+            throw new RuntimeException("E-CSV-GEN");
+        }
+    }
+}