Kutluhan Aktar
Published © CC BY

WhatsApp Coronavirus Notifier Bot Running on Raspberry Pi

Via WhatsApp, observe the daily coronavirus(COVID-19) case report of your country in a given period and get notified when there is a change.

ExpertFull instructions provided2 hours1,330
WhatsApp Coronavirus Notifier Bot Running on Raspberry Pi

Things used in this project

Hardware components

Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
×1
Flash Memory Card, SD Card
Flash Memory Card, SD Card
×1

Software apps and online services

Visual Studio 2017
Microsoft Visual Studio 2017
Thonny Python IDE
Twilio API for WhatsApp
Twilio API for WhatsApp

Story

Read more

Custom parts and enclosures

Coronavirus Notifier Bot (Zipped)

Install on Raspberry Pi.

Schematics

Schematic

Code

class.php

PHP
<?php

class coronabot {
	public $conn, $previous_data;
	
	public function connect_to_database($DBServerName, $DBUserName, $DBPassword, $DBName){
		$this->conn = mysqli_connect($DBServerName, $DBUserName, $DBPassword, $DBName);
	}
	
	public function create_database_table($table){
		if(!$this->checkTable($table)){
		    $sql = "CREATE TABLE `$table` (
                      sid varchar(255) NOT NULL,
                      token varchar(255) NOT NULL,
                      to_number varchar(255) NOT NULL,
                      from_number varchar(255) NOT NULL,
                     `date` varchar(255) NOT NULL PRIMARY KEY,
                      country varchar(255) NOT NULL,
                      confirmed varchar(255) NOT NULL,
                      recovered varchar(255) NOT NULL
                    );";
			mysqli_query($this->conn, $sql);
			$sql_insert = "INSERT INTO `$table` (`sid`, `token`, `to_number`, `from_number`, `date`, `country`, `confirmed`, `recovered`) VALUES ('default', 'default', 'default', 'default', 'default', 'default', 'default', 'default');";
			mysqli_query($this->conn, $sql_insert);
		}
	}
	
	public function get_previous_data($table){
		$sql = "SELECT * FROM `$table`";
		$result = mysqli_query($this->conn, $sql);
		if(mysqli_num_rows($result) > 0){
			if($rows = mysqli_fetch_assoc($result)){
				$this->previous_data = array(
				           "sid" => $rows["sid"],
				           "token" => $rows["token"],
				           "to_number" => $rows["to_number"],
				           "from_number" => $rows["from_number"],
				           "country" => $rows["country"],
						   "date" => $rows["date"],
				           "confirmed" => $rows["confirmed"],
				           "recovered" => $rows["recovered"]
				       );
			}
		}
		return $this->previous_data;
	}
	
	public function save_new_bot_settings($table, $sid, $token, $to_number, $from_number, $country){
		if(!empty($sid) && !empty($token) && !empty($to_number) && !empty($from_number) && !empty($country)){
			$sql = "UPDATE `$table` SET `sid`='$sid', `token`='$token', `to_number`='$to_number', `from_number`='$from_number', `country`='$country';";
			mysqli_query($this->conn, $sql);
		}
	}
	
	public function save_new_report_data($table, $date, $confirmed, $recovered){
		$sql = "UPDATE `$table` SET `date`='$date', `confirmed`='$confirmed', `recovered`='$recovered';";
		mysqli_query($this->conn, $sql);
	}
	
	private function checkTable($table){
		$sql = "SHOW TABLES FROM `coronabot` LIKE '$table'";
		$checkSql = mysqli_num_rows(mysqli_query($this->conn, $sql));
		if($checkSql < 1){ return false; }else{ return true; }
	}
}

?>

index.php

PHP
<?php

// Include the coronabot class:
include_once "class.php";
// Define the coronabot object:
$corona_bot = new coronabot();
// Connect to the database:
$corona_bot->connect_to_database("localhost", "root", "bot", "coronabot");
// Create the variables table with the default settings in the coronabot database to save information (unless already created):
$corona_bot->create_database_table("variables");
// If the user changed the bot settings using the bot interface, save new settings to the database table (variables):
if(isset($_POST["submit"])){
	$corona_bot->save_new_bot_settings("variables", $_POST["sid"], $_POST["token"], $_POST["to_number"], $_POST["from_number"], $_POST["country"]);
}
// Get the previous data in the database table, including the Twilio settings:
$previous_data = $corona_bot->get_previous_data("variables");

?>

<!DOCTYPE html>
<html>
<head>
 <title>WhatsApp Coronavirus Notifier Bot</title>
 
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta name="theme-color" content="#ff5c33">
 <meta name="apple-mobile-web-app-status-bar-style" content="#ff5c33">

 <!--link to favicon-->
 <link rel="icon" type="image/png" sizes="36x36" href="icon.png">
 <link rel="icon" type="image/png" sizes="48x48" href="icon.png">
 <link rel="icon" type="image/png" sizes="78x78" href="icon.png">

  <!-- link to font -->
 <link href="https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@300;400&display=swap" rel="stylesheet">
 
 <!--link to index.css-->
 <link rel="stylesheet" type="text/css" href="index.css">
 
</head>
 <body>
<div id="controller">
<h2>WhatsApp Coronavirus Notifier Bot</h2>
<form action="" method="POST">
<label>Twilio App SID: </label><br><input type="text" name="sid" value="<?php echo $previous_data["sid"]; ?>" /><br><br>
<label>Twilio App AUTH_TOKEN: </label><br><input type="text" name="token" value="<?php echo $previous_data["token"]; ?>" /><br><br>
<label>Twilio App To_Phone_Number: </label><br><input type="text" name="to_number" value="<?php echo $previous_data["to_number"]; ?>" /><br><br>
<label>Twilio App From_Phone_Number: </label><br><input type="text" name="from_number" value="<?php echo $previous_data["from_number"]; ?>" /><br><br>
<label>Country (<?php echo $previous_data["country"]; ?>): </label><br>
<select name="country">
   <optgroup label="Accessible">
   <option value="Afghanistan">Afghanistan</option>
   <option value="Albania">Albania</option>
   <option value="Algeria">Algeria</option>
   <option value="Andorra">Andorra</option>
   <option value="Angola">Angola</option>
   <option value="Anguilla">Anguilla</option>
   <option value="Antigua and Barbuda">Antigua and Barbuda</option>
   <option value="Argentina">Argentina</option>
   <option value="Armenia">Armenia</option>
   <option value="Australia">Australia</option>
   <option value="Austria">Austria</option>
   <option value="Azerbaijan">Azerbaijan</option>
   <option value="Bahamas">Bahamas</option>
   <option value="Bahrain">Bahrain</option>
   <option value="Bangladesh">Bangladesh</option>
   <option value="Barbados">Barbados</option>
   <option value="Belarus">Belarus</option>
   <option value="Belgium">Belgium</option>
   <option value="Belize">Belize</option>
   <option value="Benin">Benin</option>
   <option value="Bhutan">Bhutan</option>
   <option value="Bolivia">Bolivia</option>
   <option value="Bosnia and Herzegovina">Bosnia and Herzegovina</option>
   <option value="Brazil">Brazil</option>
   <option value="Brunei">Brunei</option>
   <option value="Bulgaria">Bulgaria</option>
   <option value="Burkina Faso">Burkina Faso</option>
   <option value="Burundi">Burundi</option>
   <option value="Cabo Verde">Cabo Verde</option>
   <option value="Cambodia">Cambodia</option>
   <option value="Cameroon">Cameroon</option>
   <option value="Canada">Canada</option>
   <option value="Central African Republic">Central African Republic</option>
   <option value="Chad">Chad</option>
   <option value="Chile">Chile</option>
   <option value="China">China</option>
   <option value="Colombia">Colombia</option>
   <option value="Comoros">Comoros</option>
   <option value="Congo (Brazzaville)">Congo (Brazzaville)</option>
   <option value="Congo (Kinshasa)">Congo (Kinshasa)</option>
   <option value="Costa Rica">Costa Rica</option>
   <option value="Cote d'Ivoire">Cote DIvoire</option>
   <option value="Croatia">Croatia</option>
   <option value="Cuba">Cuba</option>
   <option value="Cyprus">Cyprus</option>
   <option value="Czechia">Czech Republic</option>
   <option value="Denmark">Denmark</option>
   <option value="Djibouti">Djibouti</option>
   <option value="Dominica">Dominica</option>
   <option value="Dominican Republic">Dominican Republic</option>
   <option value="Ecuador">Ecuador</option>
   <option value="Egypt">Egypt</option>
   <option value="El Salvador">El Salvador</option>
   <option value="Equatorial Guinea">Equatorial Guinea</option>
   <option value="Eritrea">Eritrea</option>
   <option value="Estonia">Estonia</option>
   <option value="Eswatini">Eswatini</option>
   <option value="Ethiopia">Ethiopia</option>
   <option value="Fiji">Fiji</option>
   <option value="Finland">Finland</option>
   <option value="France">France</option>
   <option value="Gabon">Gabon</option>
   <option value="Gambia">Gambia</option>
   <option value="Georgia">Georgia</option>
   <option value="Germany">Germany</option>
   <option value="Ghana">Ghana</option>
   <option value="Greece">Greece</option>
   <option value="Greenland">Greenland</option>
   <option value="Grenada">Grenada</option>
   <option value="Guatemala">Guatemala</option>
   <option value="Guinea">Guinea</option>
   <option value="Guyana">Guyana</option>
   <option value="Haiti">Haiti</option>
   <option value="Honduras">Honduras</option>
   <option value="Hungary">Hungary</option>
   <option value="Iceland">Iceland</option>
   <option value="India">India</option>
   <option value="Indonesia">Indonesia</option>
   <option value="Iran">Iran</option>
   <option value="Iraq">Iraq</option>
   <option value="Ireland">Ireland</option>
   <option value="Israel">Israel</option>
   <option value="Italy">Italy</option>
   <option value="Jamaica">Jamaica</option>
   <option value="Japan">Japan</option>
   <option value="Jordan">Jordan</option>
   <option value="Kazakhstan">Kazakhstan</option>
   <option value="Kenya">Kenya</option>
   <option value="Korea, South">Korea, South</option>
   <option value="Kosovo">Kosovo</option>
   <option value="Kuwait">Kuwait</option>
   <option value="Kyrgyzstan">Kyrgyzstan</option>
   <option value="Latvia">Latvia</option>
   <option value="Lebanon">Lebanon</option>
   <option value="Liberia">Liberia</option>
   <option value="Libya">Libya</option>
   <option value="Liechtenstein">Liechtenstein</option>
   <option value="Lithuania">Lithuania</option>
   <option value="Luxembourg">Luxembourg</option>
   <option value="Madagascar">Madagascar</option>
   <option value="Malaysia">Malaysia</option>
   <option value="Maldives">Maldives</option>
   <option value="Mali">Mali</option>
   <option value="Malta">Malta</option>
   <option value="Mauritania">Mauritania</option>
   <option value="Mauritius">Mauritius</option>
   <option value="Mexico">Mexico</option>
   <option value="Moldova">Moldova</option>
   <option value="Monaco">Monaco</option>
   <option value="Mongolia">Mongolia</option>
   <option value="Montenegro">Montenegro</option>
   <option value="Mozambique">Mozambique</option>
   <option value="Namibia">Namibia</option>
   <option value="Nepal">Nepal</option>
   <option value="Netherlands">Netherlands</option>
   <option value="New Zealand">New Zealand</option>
   <option value="Nicaragua">Nicaragua</option>
   <option value="Niger">Niger</option>
   <option value="Nigeria">Nigeria</option>
   <option value="North Macedonia">North Macedonia</option>
   <option value="Norway">Norway</option>
   <option value="Oman">Oman</option>
   <option value="Pakistan">Pakistan</option>
   <option value="Panama">Panama</option>
   <option value="Papua New Guinea">Papua New Guinea</option>
   <option value="Paraguay">Paraguay</option>
   <option value="Peru">Peru</option>
   <option value="Phillipines">Philippines</option>
   <option value="Poland">Poland</option>
   <option value="Portugal">Portugal</option>
   <option value="Qatar">Qatar</option>
   <option value="Romania">Romania</option>
   <option value="Russia">Russia</option>
   <option value="Rwanda">Rwanda</option>
   <option value="Saint Lucia">Saint Lucia</option>
   <option value="Saint Vincent and the Grenadines">Saint Vincent and the Grenadines</option>
   <option value="San Marino">San Marino</option>
   <option value="Saudi Arabia">Saudi Arabia</option>
   <option value="Senegal">Senegal</option>
   <option value="Serbia">Serbia</option>
   <option value="Seychelles">Seychelles</option>
   <option value="Singapore">Singapore</option>
   <option value="Slovakia">Slovakia</option>
   <option value="Slovenia">Slovenia</option>
   <option value="Somalia">Somalia</option>
   <option value="South Africa">South Africa</option>
   <option value="Spain">Spain</option>
   <option value="Sri Lanka">Sri Lanka</option>
   <option value="Sudan">Sudan</option>
   <option value="Suriname">Suriname</option>
   <option value="Syria">Syria</option>
   <option value="Sweden">Sweden</option>
   <option value="Switzerland">Switzerland</option>
   <option value="Taiwan*">Taiwan*</option>
   <option value="Tanzania">Tanzania</option>
   <option value="Thailand">Thailand</option>
   <option value="Togo">Togo</option>
   <option value="Trinidad and Tobago">Trinidad and Tobago</option>
   <option value="Tunisia">Tunisia</option>
   <option value="Turkey">Turkey</option>
   <option value="Uganda">Uganda</option>
   <option value="Ukraine">Ukraine</option>
   <option value="United Arab Emirates">United Arab Emirates</option>
   <option value="United Kingdom">United Kingdom</option>
   <option value="US">United States of America</option>
   <option value="Uraguay">Uruguay</option>
   <option value="Uzbekistan">Uzbekistan</option>
   <option value="Venezuela">Venezuela</option>
   <option value="Vietnam">Vietnam</option>
   <option value="Yemen">Yemen</option>
   <option value="Zambia">Zambia</option>
   <option value="Zimbabwe">Zimbabwe</option>
   </optgroup>
</select><br><br>
<button type="submit" name="submit" value="ok">Submit</button>

</form>
</div>

 </body>
 </html>

index.css

CSS
html{background-color:#eb2e00;font-family: 'Roboto Slab', serif;}

div{display:block;background-color:#1F2020;width:80%;margin:auto;border:2px solid white;border-radius:20px;padding-left:10px;padding-right:10px;}
h2{color:white;font-size:25px;text-align:center;user-select:none;}
form{padding-left:20px;padding-right:20px;}
label{color:#F3D060;}
input{width:80%;}
button{display:block;width:70%;margin:auto;border:none;border-radius:20px;background-color:#A5282C;margin-bottom:20px;color:white;font-size:20px;cursor:pointer;outline:none;}
button:hover{background-color:#EE7762;}

terminal.php

PHP
<?php
// Include the coronabot class and the Twilio's API autoload page.
include_once "class.php";
include_once "WhatsAppAPI/Twilio/autoload.php";
// Define the coronabot object and the database (MariaDB) settings:
$corona_bot = new coronabot();
$corona_bot->connect_to_database("localhost", "root", "bot", "coronabot");
// Get the required variables from the database table (variables):
$previous_data = $corona_bot->get_previous_data("variables");
// Initiate the Twilio's API for WhatsApp:
use Twilio\Rest\Client;
// Define the path to gather information from the API created by Rodrigo Pombo (pomber).
$data_url = "https://pomber.github.io/covid19/timeseries.json";
// Using the file_get_contents() function, fetch the raw data from the API.
$raw_data = file_get_contents($data_url);
// Decode the raw data in JSON by using the json_decode() function.
$data = json_decode($raw_data);
// Get the last (recently updated) element in the selected country in the decoded data object.
$country = $previous_data["country"];
$current_entry = end($data->$country);
// Save the information in the current_entry object to the current_data array to call them easily.
$current_data = array(
    "date" => $current_entry->date,
	"confirmed" => $current_entry->confirmed,
	"deaths" => $current_entry->deaths,
	"recovered" => $current_entry->recovered
);
// Detect the data status:
$STATUS = "STABLE";
$header = "";
if($current_data["date"] != $previous_data["date"] || $current_data["confirmed"] != $previous_data["confirmed"] || $current_data["recovered"] != $previous_data["recovered"]){
	$STATUS = "CHANGED";
	$header = "";
}
// Save the current data to the database table (variables):
$corona_bot->save_new_report_data("variables", $current_data["date"], $current_data["confirmed"], $current_data["recovered"]);
// According to the data status (STABLE or CHANGED), send a notification message or a information message via WhatsApp.
echo "Working...<br><br>Test: ".$country." / ".$current_data["confirmed"]." / ".$STATUS; // TEST THE SERVER
// Create a new client to send text messages over WhatsApp. Get the Twilio application settings from the database table, entered via the bot interface.
$twilio = new Client($previous_data["sid"], $previous_data["token"]);
// Note: Enter phone numbers without adding '+'.
$message = $twilio->messages 
             ->create("whatsapp:+".$previous_data["to_number"], 
                 array( 
                       "from" => "whatsapp:+".$previous_data["from_number"],       
                       "body" => "$header\n\n $country\n\n Status: $STATUS\n\n Date: ".$current_data["date"]."\n\n Confirmed: ".$current_data["confirmed"]."\n\n Deaths: ".$current_data["deaths"]."\n\n Recovered: ".$current_data["recovered"]."\n\n$header"
                      ) 
                 );
echo '<br><br>Message Send...';	

?>

coronabot_loop.py

Python
# WhatsApp Coronavirus Notifier Bot Running on Raspberry Pi
#
# Raspberry Pi 3 Model B+
#
# By Kutluhan Aktar
#
# Via WhatsApp, observe the daily coronavirus (COVID-19) case report of your country and get notified when there is a change.
# 
# For more information and explanation, visit the link below:
# https://www.theamplituhedron.com/projects/WhatsApp-Coronavirus-Notifier-Bot-Running-on-Raspberry-Pi/

from time import sleep
import requests

def activate_terminal(url):
    # Make an HTTP Post Request to the localhost.
    request = requests.get(url)
    # Print the response to check the localhost connection.
    print("\r\n" + request.text + "\r\n")

# Start the loop.
while True:
    activate_terminal("http://localhost/coronabot/terminal.php")
    sleep(15 * 60)

Credits

Kutluhan Aktar

Kutluhan Aktar

30 projects β€’ 66 followers
Self-Taught Full Stack Developer | Programmer | Maker | Physics Enthusiast

Comments