Added php linting with phpcs. Linted files. Removed pre 2.6 locale

[danixland-covid-italy.git] / danixland-covid-italy.php

<?php

defined( 'ABSPATH' ) || die( 'No script kiddies please!' );

/**
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 *
 * @wordpress-plugin
 * Plugin Name:       danixland-covid-italy
 * Plugin URI:        https://danix.xyz
 * Description:       Show the latest covid19 stats for italy in a widget
 * Version:           1.0
 * Author:            Danilo 'danix' M.
 * Author URI:        https://danix.xyz
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       dnxcovita
 * Domain Path:       /languages
 */

/**
 * Add plugin i18n domain: dnxcovita
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
load_plugin_textdomain( 'dnxcovita', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );

/**
 * The heart of the plugin, this function retrieves the data from github and
 * stores it in a transient for up to 24h.
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
function dnxcovita_retrieve_data() {
	// full history since 24/02/2020
	$all_data_link = 'https://raw.githubusercontent.com/pcm-dpc/COVID-19/master/dati-json/dpc-covid19-ita-andamento-nazionale.json';
	if ( false === ( $dnxcovita_data = get_transient( 'dnxcovita_data' ) ) ) {
		$json_data = file_get_contents( $all_data_link );
		$raw_data = json_decode( $json_data, true );
		$processed = array();
		foreach ( $raw_data as $item => $daily_data ) {
			// $item is the entry number and $daily_data is the array that we want to filter
			$processed[ $item ] = dnxcovita_walker( $daily_data );
		}

		set_transient( 'dnxcovita_data', $processed, DAY_IN_SECONDS );
	}
}

/**
 * Remove all unwanted fields from the data stored in the transient
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
function dnxcovita_walker( $value ) {
	// array that filters all keys we are not interested in
	$not_interested = array(
		'stato',
		'casi_da_sospetto_diagnostico',
		'casi_da_screening',
		'casi_testati',
		'note',
	);
	$result = array_diff_key( $value, array_flip( $not_interested ) );
	return $result;
}

/**
 * Return all data
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
function dnxcovita_get_all_data() {
	 $data = ( false === get_transient( 'dnxcovita_data' ) ) ? dnxcovita_retrieve_data() : get_transient( 'dnxcovita_data' );

	return $data;
}

/**
 * Return the latest data
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
function dnxcovita_get_latest_data() {
	$data = ( false === get_transient( 'dnxcovita_data' ) ) ? dnxcovita_retrieve_data() : get_transient( 'dnxcovita_data' );
	$rev = array_reverse( $data );
	$output = $rev[0];

	return $output;
}

/**
 * Return the data from yesterday
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
function dnxcovita_get_previous_data() {
	$data = ( false === get_transient( 'dnxcovita_data' ) ) ? dnxcovita_retrieve_data() : get_transient( 'dnxcovita_data' );
	$last = array_slice( $data, -2, 1, false );

	return $last;
}

/**
 * Add function to widgets_init that'll load our widget.
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
add_action( 'widgets_init', 'dnxcovita_register' );

/**
 * Register our widget.
 * 'dnxcovita_Widget' is the widget class used below.
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
function dnxcovita_register() {
	 register_widget( 'dnxcovita_Widget' );
}

/**
 * User_Panel class.
 * This class handles everything that needs to be handled with the widget:
 * the settings, form, display, and update.  Nice!
 *
 * @link    https://danix.xyz
 * @since   0.0.1
 * @package Dnxcovita
 */
class dnxcovita_Widget extends WP_Widget {


	/**
	 * Widget setup.
	 */
	public function __construct() {
		$control_ops = array(
			'width' => 400,
			'height' => 350,
		);
		parent::__construct(
			'dnx-covid-italy', // id_base
			__( 'Italian Covid19 Situation', 'dnxcovita' ), // Name
			array( 'description' => __( 'Display the current Covid19 situation in Italy.', 'dnxcovita' ) ),
			$control_ops
		);
	}

	/**
	 * How to display the widget on the public side of the site.
	 */
	public function widget( $args, $instance ) {
		extract( $args );

		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );

		echo $args['before_widget'];
		if ( ! empty( $title ) ) {
			echo $args['before_title'] . $title . $args['after_title'];
		} ?>
<div class="dnxcovita_content">
		<?php
		$latest_data = dnxcovita_get_latest_data();
		$yesterday_data = dnxcovita_get_previous_data();
		?>

	<p class="dnxcovita_desc">
		<?php
		$pull_desc = __( 'data pulled daily from the <a href="%1$s" title="%2$s">official github repository from the Ministry of Health.</a>', 'dnxcovita' );
		$moh_site = 'https://github.com/pcm-dpc/COVID-19';
		$moh_site_title = 'official github repository from the Ministry of Health report on COVID19 in Italy.';
		echo sprintf(
			$pull_desc,
			esc_html( $moh_site ),
			esc_html( $moh_site_title )
		);
		?>
								</p>
	<p class="dnxcovita_latest_push">
		<?php
		$expl = __( 'latest data published on ', 'dnxcovita' );
		$timestring = '<span>%1$s</span><time class="dnxcovita_latest_check" datetime="%2$s">%3$s at %4$s</time>';
		$w3c_data = $latest_data['data'];
		$ut = strtotime( $w3c_data );
		$ld = date( 'd/m/Y', $ut );
		$lh = date( 'H:i', $ut );
		$latest_check = sprintf(
			$timestring,
			esc_html( $expl ),
			esc_attr( $w3c_data ),
			esc_html( $ld ),
			esc_html( $lh )
		);
									 echo $latest_check;
		?>
										</p>

	<dl>

		<?php
		foreach ( $latest_data as $key => $value ) {
			// we generate the fields first and then populate the output
			if ( 'data' === $key ) {
				$latest_date = date( 'd/m/Y', strtotime( $value ) );
				$previous_date = date( 'd/m/Y', strtotime( $yesterday_data[0][ $key ] ) );
			}
			// this check is redundant because $value is obtained straight from the json
			// but still, better check than being sorry
			if ( is_numeric( $value ) ) {
				$latest_content = number_format( $value, 0, ',', '&dot;' );
				$diff = $value - $yesterday_data[0][ $key ];
				$diff_plusminus = ( is_numeric( $diff ) && round( $diff ) > 1 ) ? '<span class="wp-exclude-emoji dnxcovita_goingup">&nearr;</span> &plus;' : '<span class="wp-exclude-emoji dnxcovita_goingdown">&searr;</span>';
				$diff_content = $diff_plusminus . number_format( $diff, 0, ',', '&dot;' );
			}
			// Now we have all the values formatted so we can output the definition list
			if ( 'data' !== $key ) {
				echo '<dt>' . str_replace( '_', ' ', $key ) . '</dt>';
				echo '<dd><span class="dnxcovita_latest_data">' . $latest_content . '</span> <span class="dnxcovita_previous_data">' . $diff_content . '</span></dd>';
			}
		}
		?>
	</dl>
</div> <!-- .dnxcovita_content -->
		<?php
		echo $args['after_widget'];
	}

	/**
	 * Handles updating settings for the current widget instance.
	 */
	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = sanitize_text_field( $new_instance['title'] );

		return $instance;
	}

	/**
	 * Outputs the widget settings form.
	 */
	public function form( $instance ) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
		$title = sanitize_text_field( $instance['title'] );
		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>">
				<?php _e( 'Title:', 'dnxcovita' ); ?>
			</label>
			<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
		</p>
		<?php
	}
}