cli-almanac-builder.php

<?php

    function logging( string $msg ) {

        echo '[' . date( 'm/d/Y H:i:s' ) . '] ' . $msg . PHP_EOL;

    }

    function run( int $year ) {

        logging( 'load names' );

        $names = json_decode( file_get_contents( __DIR__ . '/config/names.json' ), true );

        logging( 'load holiday data' );

        $free = json_decode( file_get_contents( __DIR__ . '/config/free.json' ), true );

        $holidays = [];

        foreach( $free['holidays'] as $range ) {

            for( $i = strtotime( $range['from'] ); $i <= strtotime( $range['to'] ); $i += 86400 ) {

                $holidays[] = date( 'Y-m-d', $i );

            }

        }

        logging( 'load moon data' );

        $moon = json_decode( file_get_contents( __DIR__ . '/config/moon.json' ), true );

        $moons = [];

        foreach( $moon as $phase => $dates ) {

            foreach( $dates as $date ) {

                $moons[ $date ] = $phase;

            }

        }

        logging( 'build almanac for year ' . $year );

        for( $page = 0; $page <= 1; $page++ ) {

            $pageno = $page + 1;

            logging( 'build page ' . $pageno . ' of 2' );

            $title = $year . ' &ndash; page ' . $pageno . '/2';
            $content = '';

            for( $month = $page * 6 + 1; $month <= $page * 6 + 6; $month++ ) {

                $the_month = mktime( 0, 0, 0, $month, 1, $year );
                $month_name = $names['month'][ $month - 1 ];

                logging( 'build month ' . $month . ' of ' . $year );

                $content .= '<month ' . strtolower( $month_name ) . '>' .
                    '<h2>' . $month_name . '</h2>';

                for( $day = 1; $day <= date( 't', $the_month ); $day++ ) {

                    $the_day = mktime( 0, 0, 0, $month, $day, $year );
                    $week_day = date( 'l', $the_day );
                    $day_date = date( 'Y-m-d', $the_day );

                    $content .= '<day ' . strtolower( $week_day ) . (
                        in_array( $day_date, $holidays )
                            ? ' holiday' : ''
                    ) . (
                        array_key_exists( $day_date, $free['events'] )
                            ? ' event' : ''
                    ) . '>' .
                        '<number>' . date( 'd', $the_day ) . '</number>' .
                        '<name>' . $names['week'][ date( 'w', $the_day ) ] . '</name>' .
                        (
                            array_key_exists( $day_date, $free['events'] )
                                ? '<event>' . $free['events'][ $day_date ] . '</event>' : ''
                        ) .
                        '<space></space>' .
                        (
                            array_key_exists( $day_date, $moons )
                                ? '<moon><img src="./../config/' . $moons[ $day_date ] . '.svg" width="10" height="10" /></moon>' : ''
                        ) .
                        (
                            $week_day == 'Monday'
                                ? '<week>' . date( 'W', $the_day ) . '</week>' : ''
                        ) .
                    '</day>';

                }

                $content .= '</month>';

            }

            logging( 'output page ' . $pageno );

            $output = str_replace(
                [ '[TITLE]', '[CONTENT]' ],
                [ $title, $content ],
                file_get_contents( 'template.html' )
            );

            file_put_contents(
                __DIR__ . '/output/' . $year . '-' . $pageno . '.html',
                $output
            );

        }

    }

    if( isset( $argv[1] ) && preg_match( '/^([0-9]{4})$/', $argv[1] ) )
        run( $argv[1] );

    else die( 'Requires parameter 1 as numieric year, e.g. 2010' );

?>