Initial pass at static Mapbox maps

src/WPStrava/ActivityRenderer.php

@@ -55,7 +55,7 @@ class WPStrava_ActivityRenderer {
 
 			$activity_output .= $activity->get_activity_link(
 				$activity_details->id,
-				WPStrava_StaticMap::get_image_tag( $activity_details, $map_height, $map_width, $atts['markers'], $activity_details->name ),
+				WPStrava_StaticMap::get_map()->get_image_tag( $activity_details, $map_height, $map_width, $atts['markers'], $activity_details->name ),
 				$activity_details->name
 			);
 

src/WPStrava/LatestMap.php

@@ -54,7 +54,7 @@ class WPStrava_LatestMap {
 				// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped -- Image OK.
 				$strava_activity->get_activity_link(
 					$activity->id,
-					WPStrava_StaticMap::get_image_tag( $activity, null, null, false, $activity->name ),
+					WPStrava_StaticMap::get_map()->get_image_tag( $activity, null, null, false, $activity->name ),
 					$activity->name
 				);
 				// phpcs:enable WordPress.Security.EscapeOutput.OutputNotEscaped

src/WPStrava/RouteRenderer.php

@@ -60,7 +60,7 @@ class WPStrava_RouteRenderer {
 
 			$route_output .= $route->get_route_link(
 				$route_details->id,
-				WPStrava_StaticMap::get_image_tag( $route_details, $map_height, $map_width, $atts['markers'], $route_details->name ),
+				WPStrava_StaticMap::get_map()->get_image_tag( $route_details, $map_height, $map_width, $atts['markers'], $route_details->name ),
 				$route_details->name
 			);
 

src/WPStrava/SegmentsRenderer.php

@@ -63,7 +63,7 @@ class WPStrava_SegmentsRenderer {
 
 			$segments_output .= $segments->get_segments_link(
 				$segment_details->id,
-				WPStrava_StaticMap::get_image_tag( $segment_details, $map_height, $map_width, $atts['markers'], $segment_details->name ),
+				WPStrava_StaticMap::get_map()->get_image_tag( $segment_details, $map_height, $map_width, $atts['markers'], $segment_details->name ),
 				$segment_details->name
 			);
 

src/WPStrava/StaticGMap.php

@@ -0,0 +1,56 @@
+<?php
+
+class WPStrava_StaticMapGoogle extends WPStrava_StaticMap {
+
+	/**
+	 * Get an image tag to a static google map. Will render with
+	 * detailed polyline if not greater than 1865 chars, otherwise
+	 * rendering will use summary polyline.
+	 *
+	 * @static
+	 * @access public
+	 * @param object  $activity Activity object to get image tag for.
+	 * @param int     $height   Height of map in pixels.
+	 * @param int     $width    Width of map in pixels.
+	 * @param bool    $markers  Display start and finish markers.
+	 * @param string  $title    Title attribute to accompany image (default empty).
+	 * @return string           HTML img tag with static map image.
+	 */
+	public function get_image_tag( $activity, $height = 320, $width = 480, $markers = false, $title = '' ) {
+		$key = WPStrava::get_instance()->settings->gmaps_key;
+
+		// Short circuit if missing key or activity object doesn't have the data we need.
+		if ( empty( $key ) || empty( $activity->map ) ) {
+			return '';
+		}
+
+		if ( ! $height || ! $width ) {
+			$height = 320;
+			$width  = 480;
+		}
+
+		$url     = "https://maps.googleapis.com/maps/api/staticmap?maptype=terrain&size={$width}x{$height}&scale=2&sensor=false&key={$key}&path=color:0xFF0000BF|weight:2|enc:";
+		$url_len = strlen( $url );
+
+		$polyline = '';
+		if ( ! empty( $activity->map->polyline ) && ( $url_len + strlen( $activity->map->polyline ) < self::$max_chars ) ) {
+			$polyline = $activity->map->polyline;
+		} elseif ( ! empty( $activity->map->summary_polyline ) ) {
+			$polyline = $activity->map->summary_polyline;
+		} elseif ( ! empty( $activity->map->polyline ) ) {
+			// Need to reduce the polyline b/c it's too big and no summary was provided.
+			$polyline = $this->reduce_polyline( $url_len, $activity->map->polyline );
+		}
+		$url .= $polyline;
+
+		if ( $markers ) {
+			$points  = $this->decode_start_finish( $polyline );
+			$markers = '&markers=color:green|' . $points['start'][0] . ',' . $points['start'][1] .
+						'&markers=color:red|' . $points['finish'][0] . ',' . $points['finish'][1];
+			$url    .= $markers;
+		}
+
+		$title_attr = $title ? " title='" . esc_attr( $title ) . "'" : '';
+		return "<img class='wp-strava-img' src='{$url}'{$title_attr} />";
+	}
+}

src/WPStrava/StaticMap.php

@@ -1,8 +1,8 @@
 <?php
 
-class WPStrava_StaticMap {
+abstract class WPStrava_StaticMap {
 
-	private static $max_chars = 1865;
+	protected static $max_chars = 1865;
 
 	/**
 	 * Get an image tag to a static google map. Will render with
@@ -18,42 +18,25 @@ class WPStrava_StaticMap {
 	 * @param string  $title    Title attribute to accompany image (default empty).
 	 * @return string           HTML img tag with static map image.
 	 */
-	public static function get_image_tag( $activity, $height = 320, $width = 480, $markers = false, $title = '' ) {
+	abstract public function get_image_tag( $activity, $height = 320, $width = 480, $markers = false, $title = '' );
-		$key = WPStrava::get_instance()->settings->gmaps_key;
 
-		// Short circuit if missing key or activity object doesn't have the data we need.
+	/**
-		if ( empty( $key ) || empty( $activity->map ) ) {
+	 * Factory method to get the correct StaticMap class based on specified string
-			return '';
+	 * or by the options setting.
+	 *
+	 * @param string $auth 'google' or 'mapbox' (default 'google').
+	 * @return WPStrava_StaticMap Instance of StaticMap
+	 * @author Justin Foell <justin@foell.org>
+	 * @since NEXT
+	 */
+	public static function get_map( $type = 'google' ) {
+		/*
+		if ( 'google' === $type ) {
+			return new WPStrava_StaticGMap();
 		}
-
+		*/
-		if ( ! $height || ! $width ) {
+		// Default to refresh.
-			$height = 320;
+		return new WPStrava_StaticMapbox();
-			$width  = 480;
-		}
-
-		$url     = "https://maps.googleapis.com/maps/api/staticmap?maptype=terrain&size={$width}x{$height}&scale=2&sensor=false&key={$key}&path=color:0xFF0000BF|weight:2|enc:";
-		$url_len = strlen( $url );
-
-		$polyline = '';
-		if ( ! empty( $activity->map->polyline ) && ( $url_len + strlen( $activity->map->polyline ) < self::$max_chars ) ) {
-			$polyline = $activity->map->polyline;
-		} elseif ( ! empty( $activity->map->summary_polyline ) ) {
-			$polyline = $activity->map->summary_polyline;
-		} elseif ( ! empty( $activity->map->polyline ) ) {
-			// Need to reduce the polyline b/c it's too big and no summary was provided.
-			$polyline = self::reduce_polyline( $url_len, $activity->map->polyline );
-		}
-		$url .= $polyline;
-
-		if ( $markers ) {
-			$points  = self::decode_start_finish( $polyline );
-			$markers = '&markers=color:green|' . $points['start'][0] . ',' . $points['start'][1] .
-						'&markers=color:red|' . $points['finish'][0] . ',' . $points['finish'][1];
-			$url    .= $markers;
-		}
-
-		$title_attr = $title ? " title='" . esc_attr( $title ) . "'" : '';
-		return "<img class='wp-strava-img' src='{$url}'{$title_attr} />";
 	}
 
 	/**
@@ -76,7 +59,7 @@ class WPStrava_StaticMap {
 	 *     }
 	 * }
 	 */
-	private static function decode_start_finish( $enc ) {
+	protected function decode_start_finish( $enc ) {
 		require_once WPSTRAVA_PLUGIN_DIR . 'src/Polyline.php';
 		$points = Polyline::decode( $enc );
 		$points = Polyline::pair( $points );
@@ -91,13 +74,13 @@ class WPStrava_StaticMap {
 	 * From a (large) encoded polyline, reduce the number of points
 	 * until it is small enough for a GET URL.
 	 *
-	 * @param int    $url_len Length of map URL.
+	 * @param int    $base_url_len Length of map URL.
 	 * @param string $enc          Encoded polyline.
 	 * @return string Smaller encoded polyline.
 	 * @author Justin Foell <justin@foell.org>
 	 * @since 2.10.0
 	 */
-	private static function reduce_polyline( $url_len, $enc ) {
+	protected function reduce_polyline( $base_url_len, $enc ) {
 		require_once WPSTRAVA_PLUGIN_DIR . 'src/Polyline.php';
 		$points = Polyline::decode( $enc );
 		$points = Polyline::pair( $points );
@@ -109,11 +92,15 @@ class WPStrava_StaticMap {
 		$points   = Polyline::flatten( $points );
 		$polyline = Polyline::encode( $points );
 
-		if ( $url_len + strlen( $polyline ) >= self::$max_chars ) {
+		if ( $base_url_len + $this->polyline_length( $polyline ) >= self::$max_chars ) {
 			// Reduce again.
-			$polyline = self::reduce_polyline( $url_len, $polyline );
+			$polyline = $this->reduce_polyline( $base_url_len, $polyline );
 		}
 
 		return $polyline;
 	}
+
+	protected function polyline_length( $polyline ) {
+		return strlen( $polyline );
+	}
 }

src/WPStrava/StaticMapbox.php

@@ -0,0 +1,58 @@
+<?php
+
+class WPStrava_StaticMapbox extends WPStrava_StaticMap {
+
+	public function get_image_tag( $activity, $height = 320, $width = 480, $markers = false, $title = '' ) {
+
+		$polyline = '';
+
+		if ( ! empty( $activity->map->polyline ) ) {
+			$polyline = $activity->map->polyline;
+		} elseif ( ! empty( $activity->map->summary_polyline ) ) {
+			$polyline = $activity->map->summary_polyline;
+		}
+
+		if ( empty( $polyline ) ) {
+			// No polyline provided.
+			return '';
+		}
+
+		$url = $this->build_url( $polyline, $height, $width, $markers );
+
+		$url_len = strlen( $url );
+		if ( $url_len > self::$max_chars ) {
+			// Need to reduce the polyline b/c it's too big.
+			$polyline = $this->reduce_polyline( $url_len - $this->polyline_length( $polyline ), $polyline );
+			$url      = $this->build_url( $polyline, $height, $width, $markers );
+		}
+
+		$title_attr = $title ? " title='" . esc_attr( $title ) . "'" : '';
+		return "<img class='wp-strava-img' src='{$url}'{$title_attr} />";
+	}
+
+	private function build_url( $polyline, $height = 320, $width = 480, $markers = false ) {
+
+		$url   = 'https://api.mapbox.com/styles/v1/mapbox/outdoors-v11/static/';
+		$size  = "auto/{$width}x{$height}@2x";
+		$token = 'access_token=pk.eyJ1IjoianJmb2VsbCIsImEiOiJ4NkNwU2RjIn0.MHjY7k0Okawa3bdV9HtSXg';
+
+		$path = array();
+
+		if ( $markers ) {
+			$points = $this->decode_start_finish( $polyline );
+			$path[] = "pin-s+008000({$points['start'][0]},{$points['start'][1]})";
+			$path[] = "pin-s+ff0000({$points['finish'][0]},{$points['finish'][1]})";
+		}
+
+		// polyline must be URL encoded https://stackoverflow.com/a/65523379/2146022
+		$url_polyline = rawurlencode( $polyline );
+		$path[]       = "path-2+ff0000({$url_polyline})";
+		$url         .= implode( ',', $path ) . "/{$size}?{$token}";
+
+		return $url;
+	}
+
+	protected function polyline_length( $polyline ) {
+		return strlen( rawurlencode( $polyline ) );
+	}
+}