From 7f1bb18fd654b58eae56b1d02c4568d62ff226a5 Mon Sep 17 00:00:00 2001
From: Alexander Kiryukhin <a.kiryukhin@mail.ru>
Date: Mon, 17 Aug 2020 13:19:06 +0300
Subject: initial

---
 main.go | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 main.go

(limited to 'main.go')

diff --git a/main.go b/main.go
new file mode 100644
index 0000000..349f41c
--- /dev/null
+++ b/main.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"github.com/labstack/echo/v4"
+	"log"
+	"strconv"
+)
+
+func main() {
+	e := echo.New()
+	e.GET("/map", func(c echo.Context) error {
+		lat, err := strconv.ParseFloat(c.QueryParam("lat"), 64)
+		if err != nil {
+			return err
+		}
+		lon, err := strconv.ParseFloat(c.QueryParam("lon"), 64)
+		if err != nil {
+			return err
+		}
+		w, err := strconv.Atoi(c.QueryParam("w"))
+		if err != nil {
+			w = 800
+		}
+		h, err := strconv.Atoi(c.QueryParam("h"))
+		if err != nil {
+			h = 800
+		}
+		zoom, err := strconv.Atoi(c.QueryParam("zoom"))
+		if err != nil {
+			zoom = 16
+		}
+		if zoom < 1 {
+			zoom = 1
+		}
+		if zoom > 20 {
+			zoom = 20
+		}
+		img, err := GetMapImage(lat, lon, zoom, w, h)
+		if err != nil {
+			return err
+		}
+		return c.Blob(200, "image/png", img)
+	})
+	log.Fatal(e.Start(":8000"))
+}
-- 
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