Initial commit. The plugin is working as expected.release_22102020-1424

nuovo file:             .gitignore
nuovo file:             LICENSE.txt
nuovo file:             README.txt
nuovo file:             danixland-covid-italy.php
nuovo file:             index.php
nuovo file:             languages/dnxcovita.pot
nuovo file:             uninstall.php

1 files changed, 266 insertions, 0 deletions

diff --git a/danixland-covid-italy.php b/danixland-covid-italy.php
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+<?php
+
+defined( 'ABSPATH' ) or 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:           0.0.1
+ * 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
+ */
+// Pre 2.6 compatibility
+if ( ! defined( 'WP_CONTENT_URL' ) ) {
+    if ( defined( 'WP_SITEURL' ) ) define( 'WP_CONTENT_URL', WP_SITEURL . '/wp-content' );
+    else define( 'WP_CONTENT_URL', get_option( 'url' ) . '/wp-content' );
+}
+if ( ! defined( 'WP_PLUGIN_URL' ) ) define( 'WP_PLUGIN_URL', WP_CONTENT_URL. '/plugins' );
+
+load_plugin_textdomain('dnxcovita', WP_PLUGIN_URL . '/danixland-covid-italy/languages/', 'danixland-covid-italy/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);
+		$processed = [];
+		foreach ($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="dnxcovita_goingup">&nearr;</span> &plus;' : '<span class="dnxcovita_goingdown">&searr;</span> &minus;';
+			$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
+    }
+}