A PHP script to check for results in the Wayne County, Indiana 2019 Mayoral Election

check-for-results.php

<?php

require __DIR__ . '/vendor/autoload.php';

require_once __DIR__ . '/config.php';

$output_messages = array();

$wayneco_results_html = file_get_contents( WAYNECO_RESULTS_URL );
$state_results_html = file_get_contents( STATE_RESULTS_URL );

if ( 100 > strlen( $wayneco_results_html ) ) {
	$output_messages[] = 'Something wrong with fetching County Clerk results content.';
}
if ( 100 > strlen( $state_results_html ) ) {
	$output_messages[] = 'Something wrong with fetching State results JSON.';
}

$wayneco_results_hash = hash( 'md5', $wayneco_results_html );
$state_results_json = json_decode( $state_results_html, true );

$changes_to_write = false;

$mayoral_candidate_results = array();
foreach ( $state_results_json['Root']['StatewideSummary']['Race'] as $race ) {
	if ( STATE_OFFICE_ID === (int) $race['OFFICEID'] ) {
		$mayoral_candidate_results = array_combine( array_column( $race['Candidates']['Candidate'], 'NAME_ON_BALLOT' ), $race['Candidates']['Candidate'] );
	}
}

if ( file_exists( __DIR__ . '/' . DATA_FILE ) && is_writable( __DIR__ . '/' . DATA_FILE ) ) {
	$previous_data = json_decode( file_get_contents( __DIR__ . '/' . DATA_FILE ), true );

	if ( $previous_data['wayneco_hash'] === $wayneco_results_hash ) {
		// $output_messages[] = 'County Clerk results page has not changed.';
	} else {
		$output_messages[] = 'County Clerk results page may have changed, visit ' . WAYNECO_RESULTS_URL;
		$changes_to_write = true;
	}

	if ( $previous_data['state_results'] === $mayoral_candidate_results ) {
		// $output_messages[] = 'State race results data has not changed.';
	} else {
		$message = 'Latest State race results: ' . PHP_EOL;
		foreach ( $mayoral_candidate_results as $candidate ) {
			$message .= sprintf( '* %s: %s votes', $candidate['NAME_ON_BALLOT'], $candidate['TOTAL'] ) . PHP_EOL;
		}
		$message .= 'View https://indianaenr.blob.core.usgovcloudapi.net/site/index.html for more.' . PHP_EOL;

		$output_messages[] = $message;
		$changes_to_write = true;
	}

	if ( true === $changes_to_write ) {
		$new_data                  = array();
		$new_data['wayneco_hash']  = $wayneco_results_hash;
		$new_data['state_results'] = $mayoral_candidate_results;
		file_put_contents( __DIR__ . '/' . DATA_FILE, json_encode( $new_data ) );
	}
} else {
	$output_messages[] = 'Creating results data file for the first time.';

	$data                  = array();
	$data['wayneco_hash']  = $wayneco_results_hash;
	$data['state_results'] = $mayoral_candidate_results;

	file_put_contents( __DIR__ . '/' . DATA_FILE, json_encode( $data ) );
}

if ( 0 < count( $output_messages ) ) {
	// Connect to Slack.
	$slack_settings = [
		'username'   => 'election-bot',
		'channel'    => '#general',
		'link_names' => true,
		'icon'       => ':robot_face:',
	];

	$slack_client = new Maknz\Slack\Client( SLACK_WEBHOOK, $slack_settings );

	// Send our messages.
	$slack_client->send( implode( PHP_EOL, $output_messages ) );
}


exit;