danixland-covid-italy.php

   1 <?php
   2
   3 defined( 'ABSPATH' ) || die( 'No script kiddies please!' );
   4
   5 /**
   6  *
   7  * @link    https://danix.xyz
   8  * @since   0.0.1
   9  * @package Dnxcovita
  10  *
  11  * @wordpress-plugin
  12  * Plugin Name:       danixland-covid-italy
  13  * Plugin URI:        https://danix.xyz
  14  * Description:       Show the latest covid19 stats for italy in a widget
  15  * Version:           1.0
  16  * Author:            Danilo 'danix' M.
  17  * Author URI:        https://danix.xyz
  18  * License:           GPL-2.0+
  19  * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
  20  * Text Domain:       dnxcovita
  21  * Domain Path:       /languages
  22  */
  23
  24 /**
  25  * Add plugin i18n domain: dnxcovita
  26  *
  27  * @link    https://danix.xyz
  28  * @since   0.0.1
  29  * @package Dnxcovita
  30  */
  31 load_plugin_textdomain( 'dnxcovita', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
  32
  33 /**
  34  * The heart of the plugin, this function retrieves the data from github and
  35  * stores it in a transient for up to 24h.
  36  *
  37  * @link    https://danix.xyz
  38  * @since   0.0.1
  39  * @package Dnxcovita
  40  */
  41 function dnxcovita_retrieve_data() {
  42         // full history since 24/02/2020
  43         $all_data_link = 'https://raw.githubusercontent.com/pcm-dpc/COVID-19/master/dati-json/dpc-covid19-ita-andamento-nazionale.json';
  44         if ( false === ( $dnxcovita_data = get_transient( 'dnxcovita_data' ) ) ) {
  45                 $json_data = file_get_contents( $all_data_link );
  46                 $raw_data = json_decode( $json_data, true );
  47                 $processed = array();
  48                 foreach ( $raw_data as $item => $daily_data ) {
  49                         // $item is the entry number and $daily_data is the array that we want to filter
  50                         $processed[ $item ] = dnxcovita_walker( $daily_data );
  51                 }
  52
  53                 set_transient( 'dnxcovita_data', $processed, DAY_IN_SECONDS );
  54         }
  55 }
  56
  57 /**
  58  * Remove all unwanted fields from the data stored in the transient
  59  *
  60  * @link    https://danix.xyz
  61  * @since   0.0.1
  62  * @package Dnxcovita
  63  */
  64 function dnxcovita_walker( $value ) {
  65         // array that filters all keys we are not interested in
  66         $not_interested = array(
  67                 'stato',
  68                 'casi_da_sospetto_diagnostico',
  69                 'casi_da_screening',
  70                 'casi_testati',
  71                 'note',
  72         );
  73         $result = array_diff_key( $value, array_flip( $not_interested ) );
  74         return $result;
  75 }
  76
  77 /**
  78  * Return all data
  79  *
  80  * @link    https://danix.xyz
  81  * @since   0.0.1
  82  * @package Dnxcovita
  83  */
  84 function dnxcovita_get_all_data() {
  85          $data = ( false === get_transient( 'dnxcovita_data' ) ) ? dnxcovita_retrieve_data() : get_transient( 'dnxcovita_data' );
  86
  87         return $data;
  88 }
  89
  90 /**
  91  * Return the latest data
  92  *
  93  * @link    https://danix.xyz
  94  * @since   0.0.1
  95  * @package Dnxcovita
  96  */
  97 function dnxcovita_get_latest_data() {
  98         $data = ( false === get_transient( 'dnxcovita_data' ) ) ? dnxcovita_retrieve_data() : get_transient( 'dnxcovita_data' );
  99         $rev = array_reverse( $data );
 100         $output = $rev[0];
 101
 102         return $output;
 103 }
 104
 105 /**
 106  * Return the data from yesterday
 107  *
 108  * @link    https://danix.xyz
 109  * @since   0.0.1
 110  * @package Dnxcovita
 111  */
 112 function dnxcovita_get_previous_data() {
 113         $data = ( false === get_transient( 'dnxcovita_data' ) ) ? dnxcovita_retrieve_data() : get_transient( 'dnxcovita_data' );
 114         $last = array_slice( $data, -2, 1, false );
 115
 116         return $last;
 117 }
 118
 119 /**
 120  * Add function to widgets_init that'll load our widget.
 121  *
 122  * @link    https://danix.xyz
 123  * @since   0.0.1
 124  * @package Dnxcovita
 125  */
 126 add_action( 'widgets_init', 'dnxcovita_register' );
 127
 128 /**
 129  * Register our widget.
 130  * 'dnxcovita_Widget' is the widget class used below.
 131  *
 132  * @link    https://danix.xyz
 133  * @since   0.0.1
 134  * @package Dnxcovita
 135  */
 136 function dnxcovita_register() {
 137          register_widget( 'dnxcovita_Widget' );
 138 }
 139
 140 /**
 141  * User_Panel class.
 142  * This class handles everything that needs to be handled with the widget:
 143  * the settings, form, display, and update.  Nice!
 144  *
 145  * @link    https://danix.xyz
 146  * @since   0.0.1
 147  * @package Dnxcovita
 148  */
 149 class dnxcovita_Widget extends WP_Widget {
 150
 151
 152         /**
 153          * Widget setup.
 154          */
 155         public function __construct() {
 156                 $control_ops = array(
 157                         'width' => 400,
 158                         'height' => 350,
 159                 );
 160                 parent::__construct(
 161                         'dnx-covid-italy', // id_base
 162                         __( 'Italian Covid19 Situation', 'dnxcovita' ), // Name
 163                         array( 'description' => __( 'Display the current Covid19 situation in Italy.', 'dnxcovita' ) ),
 164                         $control_ops
 165                 );
 166         }
 167
 168         /**
 169          * How to display the widget on the public side of the site.
 170          */
 171         public function widget( $args, $instance ) {
 172                 extract( $args );
 173
 174                 $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
 175
 176                 echo $args['before_widget'];
 177                 if ( ! empty( $title ) ) {
 178                         echo $args['before_title'] . $title . $args['after_title'];
 179                 } ?>
 180 <div class="dnxcovita_content">
 181                 <?php
 182                 $latest_data = dnxcovita_get_latest_data();
 183                 $yesterday_data = dnxcovita_get_previous_data();
 184                 ?>
 185
 186         <p class="dnxcovita_desc">
 187                 <?php
 188                 $pull_desc = __( 'data pulled daily from the <a href="%1$s" title="%2$s">official github repository from the Ministry of Health.</a>', 'dnxcovita' );
 189                 $moh_site = 'https://github.com/pcm-dpc/COVID-19';
 190                 $moh_site_title = 'official github repository from the Ministry of Health report on COVID19 in Italy.';
 191                 echo sprintf(
 192                         $pull_desc,
 193                         esc_html( $moh_site ),
 194                         esc_html( $moh_site_title )
 195                 );
 196                 ?>
 197                                                                 </p>
 198         <p class="dnxcovita_latest_push">
 199                 <?php
 200                 $expl = __( 'latest data published on ', 'dnxcovita' );
 201                 $timestring = '<span>%1$s</span><time class="dnxcovita_latest_check" datetime="%2$s">%3$s at %4$s</time>';
 202                 $w3c_data = $latest_data['data'];
 203                 $ut = strtotime( $w3c_data );
 204                 $ld = date( 'd/m/Y', $ut );
 205                 $lh = date( 'H:i', $ut );
 206                 $latest_check = sprintf(
 207                         $timestring,
 208                         esc_html( $expl ),
 209                         esc_attr( $w3c_data ),
 210                         esc_html( $ld ),
 211                         esc_html( $lh )
 212                 );
 213                                                                          echo $latest_check;
 214                 ?>
 215                                                                                 </p>
 216
 217         <dl>
 218
 219                 <?php
 220                 foreach ( $latest_data as $key => $value ) {
 221                         // we generate the fields first and then populate the output
 222                         if ( 'data' === $key ) {
 223                                 $latest_date = date( 'd/m/Y', strtotime( $value ) );
 224                                 $previous_date = date( 'd/m/Y', strtotime( $yesterday_data[0][ $key ] ) );
 225                         }
 226                         // this check is redundant because $value is obtained straight from the json
 227                         // but still, better check than being sorry
 228                         if ( is_numeric( $value ) ) {
 229                                 $latest_content = number_format( $value, 0, ',', '&dot;' );
 230                                 $diff = $value - $yesterday_data[0][ $key ];
 231                                 $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>';
 232                                 $diff_content = $diff_plusminus . number_format( $diff, 0, ',', '&dot;' );
 233                         }
 234                         // Now we have all the values formatted so we can output the definition list
 235                         if ( 'data' !== $key ) {
 236                                 echo '<dt>' . str_replace( '_', ' ', $key ) . '</dt>';
 237                                 echo '<dd><span class="dnxcovita_latest_data">' . $latest_content . '</span> <span class="dnxcovita_previous_data">' . $diff_content . '</span></dd>';
 238                         }
 239                 }
 240                 ?>
 241         </dl>
 242 </div> <!-- .dnxcovita_content -->
 243                 <?php
 244                 echo $args['after_widget'];
 245         }
 246
 247         /**
 248          * Handles updating settings for the current widget instance.
 249          */
 250         public function update( $new_instance, $old_instance ) {
 251                 $instance = $old_instance;
 252                 $instance['title'] = sanitize_text_field( $new_instance['title'] );
 253
 254                 return $instance;
 255         }
 256
 257         /**
 258          * Outputs the widget settings form.
 259          */
 260         public function form( $instance ) {
 261                 $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
 262                 $title = sanitize_text_field( $instance['title'] );
 263                 ?>
 264                 <p>
 265                         <label for="<?php echo $this->get_field_id( 'title' ); ?>">
 266                                 <?php _e( 'Title:', 'dnxcovita' ); ?>
 267                         </label>
 268                         <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 ); ?>" />
 269                 </p>
 270                 <?php
 271         }
 272 }