BBT4206-PHP-Lab15of15-ConsumePlumberAPIOutput-champions/Lab15-ConsumePlumberAPIOutput.php at main · BI-course/BBT4206-PHP-Lab15of15-ConsumePlumberAPIOutput-champions · GitHub

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<!DOCTYPE html>
<html>

<head>
    <title>POST Body</title>
    <style>
        form {
            margin: 30px 0px;
        }

        input {
            display: block;
            margin: 10px 15px;
            padding: 8px 10px;
            font-size: 16px;
        }

        div {
            font-size: 20px;
            margin: 0px 15px;
        }

        h2 {
            color: green;
            margin: 20px 15px;
        }
    </style>
</head>

<body>
    <h2>diabetes prediction</h2>
    <form method="post">
        <input type="number" name="pregnant" placeholder="Enter how many pregnancies">
        <input type="number" name="glucose" placeholder="glucose levels">
        <input type="number" name="pressure" placeholder="blood pressure">
        <input type="number" name="tricep" placeholder="tricep">
        <input type="number" name="insulin" placeholder="how insulin">
        <input type="number" name="mass" placeholder="Enter mass">
        <input type="number" name="pedigree" placeholder="Enter pedigree">
        <input type="number" name="age" placeholder="age">
        <input type="submit" name="submit-btn" value="submit">
    </form>
    <br>
</body>

</html>

<?php
# *****************************************************************************
# Lab 14: Consume data from the Plumber API Output (using PHP) ----
#
# Course Code: BBT4206
# Course Name: Business Intelligence II
# Semester Duration: 21st August 2023 to 28th November 2023
#
# Lecturer: Allan Omondi
# Contact: aomondi [at] strathmore.edu
#
# Note: The lecture contains both theory and practice. This file forms part of
#       the practice. It has required lab work submissions that are graded for
#       coursework marks.
#
# License: GNU GPL-3.0-or-later
# See LICENSE file for licensing information.
# *****************************************************************************

// Full documentation of the client URL (cURL) library: https://www.php.net/manual/en/book.curl.php

// STEP 1: Set the API endpoint URL
$apiUrl = 'http://127.0.0.1:5022/diabetes';

// Initiate a new cURL session/resource
$curl = curl_init();

// STEP 2: Set the values of the parameters to pass to the model ----
/*
// The prediction should be "positive" for diabetes
$arg_pregnant = 1;
$arg_glucose = 148;
$arg_pressure = 72;
$arg_triceps = 35;
$arg_insulin = 0;
$arg_mass = 33.6;
$arg_pedigree = 0.627;
$arg_age = 50;
*/

// The prediction should be "negative" for diabetes
$arg_pregnant = 1;
$arg_glucose = 85;
$arg_pressure = 66;
$arg_triceps = 29;
$arg_insulin = 0;
$arg_mass = 26.6;
$arg_pedigree = 0.351;
$arg_age = 31;

$params = array(
    'arg_pregnant' => $arg_pregnant, 'arg_glucose' => $arg_glucose,
    'arg_pressure' => $arg_pressure, 'arg_triceps' => $arg_triceps,
    'arg_insulin' => $arg_insulin, 'arg_mass' => $arg_mass,
    'arg_pedigree' => $arg_pedigree, 'arg_age' => $arg_age
);

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // API endpoint URL


    // Check if the form values are numeric
    if (is_numeric($_POST['pregnant'])
    && is_numeric($_POST['glucose'] )
    && is_numeric($_POST['pressure'] )
    && is_numeric($_POST['tricep'] )
    && is_numeric($_POST['insulin'] )
    && is_numeric($_POST['mass'] )
    && is_numeric($_POST['pedigree'] )
    && is_numeric($_POST['age'] )
    ) {
        // Form data
        $formData = array(
            'arg_pregnant' => $_POST['pregnant'],
            'arg_glucose' => $_POST['glucose'],
            'arg_pressure' => $_POST['pressure'],
            'arg_triceps' => $_POST['tricep'],
            'arg_insulin' => $_POST['insulin'],
            'arg_mass' => $_POST['mass'],
            'arg_pedigree' => $_POST['pedigree'],
            'arg_age' => $_POST['age'],
            // Add more parameters as needed
        );
    }


// STEP 3: Set the cURL options
// CURLOPT_RETURNTRANSFER: true to return the transfer as a string of the
// return value of curl_exec() instead of outputting it directly.
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$apiUrl = $apiUrl . '?' . http_build_query($formData);
curl_setopt($curl, CURLOPT_URL, $apiUrl);

// For testing:
echo "The generated URL sent to the API is:<br>" . $apiUrl . "<br><br>";

// Make a GET request
$response = curl_exec($curl);

// Check for cURL errors
if (curl_errno($curl)) {
    $error = curl_error($curl);
    // Handle the error appropriately
    die("cURL Error: $error");
}

// Close cURL session/resource
curl_close($curl);

// Process the response
// echo "<br>The predicted output in JSON format is:<br>" . var_dump($response) . "<br><br>";

// Decode the JSON into normal text
$data = json_decode($response, true);
}
// echo "<br>The predicted output in decoded JSON format is:<br>" . var_dump($data) . "<br><br>";

// Check if the response was successful
if (isset($data['0'])) {
    // API request was successful
    // Access the data returned by the API
    echo "The predicted diabetes status is:<br>";

    // Process the data
    foreach ($data as $repository) {
        echo $repository['0'], $repository['1'], $repository['2'], "<br>";
    }
} else {
    // API request failed or returned an error
    // Handle the error appropriately
    echo "API Error: " . $data['message'];
}

// REQUIRED LAB WORK SUBMISSION:
/*
Create a form in the web user interface to post the parameter values
(e.g., $arg_pregnant, $arg_glucose, etc.) instead of setting them manually
in Line 22-49.
*/
?>