Added composer for autoloader and moved files to conform to PSR-0

lib/WPStrava/SOM.php

@@ -0,0 +1,37 @@
+<?php
+
+abstract class WPStrava_SOM {
+
+	/**
+	 * Factory method to get the correct SOM class based on specified units
+	 * or by the options setting.
+	 *
+	 * @param string $som 'english' or 'metric'
+	 * @return WPStrava_SOM Instance of SOM
+	 * @author Justin Foell
+	 */
+	public static function get_som( $som = null ) {
+		$som = $som ? $som : WPStrava::get_instance()->settings->som;
+		if ( 'english' === $som ) {
+			return new WPStrava_SOMEnglish();
+		}
+		// Default to metric.
+		return new WPStrava_SOMMetric();
+	}
+
+	abstract public function distance( $m );
+	abstract public function distance_inverse( $dist );
+	abstract public function get_distance_label();
+	abstract public function speed( $mps );
+	abstract public function get_speed_label();
+	abstract public function elevation( $m );
+	abstract public function get_elevation_label();
+
+	public function time( $seconds ) {
+		return date( 'H:i:s', mktime( 0, 0, $seconds ) );
+	}
+
+	public function get_time_label() {
+		return __( 'hours', 'wp-strava' );
+	}
+}