support OpenStreetMap(Humanitarian), OpenTopoMap, OPNVKarte, CyclOSM

pkg/api/map_image_proxies.go

@@ -5,13 +5,18 @@ import (
 	"net/http"
 	"net/http/httputil"
 	"net/url"
+	"strings"
 
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/settings"
 )
 
-const openStreetMapTileImageUrlFormat = "https://tile.openstreetmap.org/%s/%s/%s" // https://tile.openstreetmap.org/{z}/{x}/{y}.png
+const openStreetMapTileImageUrlFormat = "https://tile.openstreetmap.org/%s/%s/%s"                       // https://tile.openstreetmap.org/{z}/{x}/{y}.png
+const openStreetMapHumanitarianStyleTileImageUrlFormat = "https://a.tile.openstreetmap.fr/hot/%s/%s/%s" // https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png
+const openTopoMapTileImageUrlFormat = "https://tile.opentopomap.org/%s/%s/%s"                           // https://tile.opentopomap.org/{z}/{x}/{y}.png
+const opnvKarteMapTileImageUrlFormat = "https://tileserver.memomaps.de/tilegen/%s/%s/%s"                // https://tileserver.memomaps.de/tilegen/{z}/{x}/{y}.png
+const cyclOSMMapTileImageUrlFormat = "https://a.tile-cyclosm.openstreetmap.fr/cyclosm/%s/%s/%s"         // https://{s}.tile-cyclosm.openstreetmap.fr/cyclosm/{z}/{x}/{y}.png
 
 // MapImageProxy represents map image proxy
 type MapImageProxy struct {
@@ -24,11 +29,19 @@ var (
 
 // MapTileImageProxyHandler returns map tile image
 func (p *MapImageProxy) MapTileImageProxyHandler(c *core.Context) (*httputil.ReverseProxy, *errs.Error) {
-	mapProvider := c.Query("provider")
+	mapProvider := strings.Replace(c.Query("provider"), "-", "_", -1)
 	targetUrl := ""
 
 	if mapProvider == settings.OpenStreetMapProvider {
 		targetUrl = openStreetMapTileImageUrlFormat
+	} else if mapProvider == settings.OpenStreetMapHumanitarianStyleProvider {
+		targetUrl = openStreetMapHumanitarianStyleTileImageUrlFormat
+	} else if mapProvider == settings.OpenTopoMapProvider {
+		targetUrl = openTopoMapTileImageUrlFormat
+	} else if mapProvider == settings.OPNVKarteMapProvider {
+		targetUrl = opnvKarteMapTileImageUrlFormat
+	} else if mapProvider == settings.CyclOSMMapProvider {
+		targetUrl = cyclOSMMapTileImageUrlFormat
 	} else {
 		return nil, errs.ErrParameterInvalid
 	}