ByteScout Cloud API Server – Document Parser API – PHP – Parsing and reading data from Airline Tickets

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ByteScout Cloud API Server – Document Parser API – PHP – Parsing and reading data from Airline Tickets

printable version:
ByteScout-Cloud-API-Server-PHP-Parsing-and-reading-data-from-Airline-Tickets.pdf

document parser API in PHP with ByteScout Cloud API Server

ByteScout Cloud API Server: the ready to use Web API Server that can be deployed in less than 30 minutes into your own in-house server or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using buil-in ByteScout powered engine, no cloud services are used to process your data!.

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SampleTicket.yml

      templateName: MakeMyTrip Booking
templateVersion: 4
templatePriority: 0
detectionRules:
  keywords:
  - MakeMyTrip
  - Eticket-Dom-Flight
objects:
- name: BookingNo
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 198.75
    - 85.625
    - 96.875
    - 12.500001
    pageIndex: 0
- name: BookingDate
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    dataType: date
    rectangle:
    - 133.125
    - 97.5000076
    - 78.75
    - 12.500001
    pageIndex: 0
- name: DepartureFrom
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 153
    - 176
    - 77
    - 8.5
    pageIndex: 0
- name: ArrivalTo
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 285
    - 176
    - 84
    - 8.5
    pageIndex: 0
- name: DepartureAt
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    dataType: date
    rectangle:
    - 153.75
    - 187.5
    - 123.75
    - 10.625
    pageIndex: 0
- name: ArrivalAt
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    dataType: date
    rectangle:
    - 288.125
    - 186.875
    - 125.625008
    - 11.25
    pageIndex: 0
- name: FlightType
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 433.5
    - 159.5
    - 68
    - 10.5
    pageIndex: 0
- name: FlightDuration
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 474.375031
    - 170.625
    - 30.0000019
    - 10
    pageIndex: 0
- name: CabinType
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 463.125031
    - 194.375015
    - 51.25
    - 10
    pageIndex: 0
- name: PassengerName
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 85
    - 238.125
    - 93.125
    - 14.375
    pageIndex: 0
- name: PassengerType
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 229.375015
    - 238.125
    - 31.25
    - 13.75
    pageIndex: 0
- name: AirlinePNR
  objectType: field
  fieldProperties:
    fieldType: rectangle
    regex: true
    rectangle:
    - 375
    - 240.000015
    - 46.25
    - 13.75
    pageIndex: 0

program.php

      <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document Parse Results</title>
</head>
<body>

<?php 

// Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". 
// If it's not then please replace this with with your hosting url.

// Get submitted form data
$apiKey = $_POST["apiKey"]; // The authentication key (API Key). Get your own by registering at https://app.pdf.co/documentation/api


// 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
// * If you already have the direct PDF file link, go to the step 3.

// Create URL
$url = "https://localhost/file/upload/get-presigned-url" . 
    "?name=" . $_FILES["file"]["tmp_name"] .
    "&contenttype=application/octet-stream";
    
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
// Execute request
$result = curl_exec($curl);

if (curl_errno($curl) == 0)
{
    $status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
    
    if ($status_code == 200)
    {
        $json = json_decode($result, true);
        
        // Get URL to use for the file upload
        $uploadFileUrl = $json["presignedUrl"];
        // Get URL of uploaded file to use with later API calls
        $uploadedFileUrl = $json["url"];
        
        // 2. UPLOAD THE FILE TO CLOUD.
        
        $localFile = $_FILES["fileInput"]["tmp_name"];
        $fileHandle = fopen($localFile, "r");
        
        curl_setopt($curl, CURLOPT_URL, $uploadFileUrl);
        curl_setopt($curl, CURLOPT_HTTPHEADER, array("content-type: application/octet-stream"));
        curl_setopt($curl, CURLOPT_PUT, true);
        curl_setopt($curl, CURLOPT_INFILE, $fileHandle);
        curl_setopt($curl, CURLOPT_INFILESIZE, filesize($localFile));

        // Execute request
        curl_exec($curl);
        
        fclose($fileHandle);
        
        if (curl_errno($curl) == 0)
        {
            $status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
            
            if ($status_code == 200)
            {
                // Read all template texts
                $templateText = file_get_contents($_FILES["fileTemplate"]["tmp_name"]);

                // 3. PARSE UPLOADED PDF DOCUMENT
                ParseDocument($apiKey, $uploadedFileUrl, $templateText);
            }
            else
            {
                // Display request error
                echo "<p>Status code: " . $status_code . "</p>"; 
                echo "<p>" . $result . "</p>"; 
            }
        }
        else
        {
            // Display CURL error
            echo "Error: " . curl_error($curl);
        }
    }
    else
    {
        // Display service reported error
        echo "<p>Status code: " . $status_code . "</p>"; 
        echo "<p>" . $result . "</p>"; 
    }
    
    curl_close($curl);
}
else
{
    // Display CURL error
    echo "Error: " . curl_error($curl);
}

function ParseDocument($apiKey, $uploadedFileUrl, $templateText) 
{
    // (!) Make asynchronous job
    $async = TRUE;

    // Prepare URL for Document parser API call.
    // See documentation: https://apidocs.pdf.co/?#1-pdfdocumentparser
    $url = "https://localhost/pdf/documentparser";

    // Prepare requests params
    $parameters = array();
    $parameters["url"] = $uploadedFileUrl;
    $parameters["template"] = $templateText;
    $parameters["async"] = $async;

    // Create Json payload
    $data = json_encode($parameters);

    // Create request
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey, "Content-type: application/json"));
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

    // Execute request
    $result = curl_exec($curl);
    echo $result . "<br/>";

    if (curl_errno($curl) == 0)
    {
        $status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        
        if ($status_code == 200)
        {
            $json = json_decode($result, true);
        
            if ($json["error"] == false)
            {
                // URL of generated JSON file that will available after the job completion
                $resultFileUrl = $json["url"];
                // Asynchronous job ID
                $jobId = $json["jobId"];
                
                // Check the job status in a loop
                do
                {
                    $status = CheckJobStatus($jobId, $apiKey); // Possible statuses: "working", "failed", "aborted", "success".
                    
                    // Display timestamp and status (for demo purposes)
                    echo "<p>" . date(DATE_RFC2822) . ": " . $status . "</p>";
                    
                    if ($status == "success")
                    {
                        // Display link to JSON file with information about parsed fields
                        echo "<div><h2>Parsing Result:</h2><a href='" . $resultFileUrl . "' target='_blank'>" . $resultFileUrl . "</a></div>";
                        break;
                    }
                    else if ($status == "working")
                    {
                        // Pause for a few seconds
                        sleep(3);
                    }
                    else 
                    {
                        echo $status . "<br/>";
                        break;
                    }
                }
                while (true);
            }
            else
            {
                // Display service reported error
                echo "<p>Error: " . $json["message"] . "</p>"; 
            }
        }
        else
        {
            // Display request error
            echo "<p>Status code: " . $status_code . "</p>"; 
            echo "<p>" . $result . "</p>"; 
        }
    }
    else
    {
        // Display CURL error
        echo "Error: " . curl_error($curl);
    }
}

function CheckJobStatus($jobId, $apiKey)
{
    $status = null;
    
	// Create URL
    $url = "https://localhost/job/check";
    
    // Prepare requests params
    $parameters = array();
    $parameters["jobid"] = $jobId;

    // Create Json payload
    $data = json_encode($parameters);

    // Create request
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey, "Content-type: application/json"));
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
 
    // Execute request
    $result = curl_exec($curl);
    
    if (curl_errno($curl) == 0)
    {
        $status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        
        if ($status_code == 200)
        {
            $json = json_decode($result, true);
        
            if ($json["error"] == false)
            {
                $status = $json["status"];
            }
            else
            {
                // Display service reported error
                echo "<p>Error: " . $json["message"] . "</p>"; 
            }
        }
        else
        {
            // Display request error
            echo "<p>Status code: " . $status_code . "</p>"; 
            echo "<p>" . $result . "</p>"; 
        }
    }
    else
    {
        // Display CURL error
        echo "Error: " . curl_error($curl);
    }
    
    // Cleanup
    curl_close($curl);
    
    return $status;
}

?>

</body>
</html>

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printable version:
ByteScout-Cloud-API-Server-PHP-Parsing-and-reading-data-from-Airline-Tickets.pdf