From 51bc900b008a03519a3492b16d6964871d228e72 Mon Sep 17 00:00:00 2001
From: NatureFreshMilk <naturefreshmilk@github.com>
Date: Fri, 18 Jan 2019 10:44:10 +0100
Subject: [PATCH] tile route

---
 web/serve.go |  6 +-----
 web/tiles.go | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 5 deletions(-)
 create mode 100644 web/tiles.go

diff --git a/web/serve.go b/web/serve.go
index 45ec943..fbcdd97 100644
--- a/web/serve.go
+++ b/web/serve.go
@@ -1,7 +1,6 @@
 package web
 
 import (
-	"fmt"
 	"github.com/sirupsen/logrus"
 	"mapserver/app"
 	"mapserver/vfs"
@@ -19,10 +18,7 @@ func Serve(ctx *app.App) {
 	mux := http.NewServeMux()
 
 	mux.Handle("/", http.FileServer(vfs.FS(ctx.Config.Webdev)))
-
-	mux.HandleFunc("/api", func(w http.ResponseWriter, r *http.Request) {
-		fmt.Fprint(w, "Api endpoint")
-	})
+  mux.Handle("/tile/", &Tiles{ctx: ctx})
 
 	err := http.ListenAndServe(":"+strconv.Itoa(ctx.Config.Port), mux)
 	if err != nil {
diff --git a/web/tiles.go b/web/tiles.go
new file mode 100644
index 0000000..4ae38ef
--- /dev/null
+++ b/web/tiles.go
@@ -0,0 +1,34 @@
+package web
+
+import (
+  "mapserver/app"
+  "mapserver/coords"
+  "net/http"
+  "strings"
+  "strconv"
+)
+
+type Tiles struct {
+  ctx *app.App
+}
+
+func (t *Tiles) ServeHTTP(resp http.ResponseWriter, req *http.Request){
+  str := strings.TrimPrefix(req.URL.Path, "/tile/")
+  parts := strings.Split(str, "/")
+  layerid, _ := strconv.Atoi(parts[0])
+  x, _ := strconv.Atoi(parts[1])
+  y, _ := strconv.Atoi(parts[2])
+  zoom, _ := strconv.Atoi(parts[3])
+
+  c := coords.NewTileCoords(x,y,zoom,layerid)
+  data, err := t.ctx.Tilerenderer.Render(c)
+
+  if err != nil {
+    resp.WriteHeader(500)
+    resp.Write([]byte(err.Error()))
+
+  } else {
+    resp.Header().Add("content-type", "image/png")
+    resp.Write(data)
+  }
+}