func mainHandler(c *gin.Context) {
filename := c.Param("file")
fmt.Println("opening file: ", filename, filename[1:])
file, err := os.Open("web" + filename)
if err != nil {
fmt.Println(err)
c.String(404, "cound not find page")
}
defer file.Close()
reader := bufio.NewReader(file)
data, err := ioutil.ReadAll(reader)
if err != nil {
fmt.Println(err)
}
pathnames := strings.Split(filename, ".")
ext := pathnames[len(pathnames)-1]
fmt.Println("extention is:", ext)
if ext == "js" {
c.Header("Content-Type", "text/javascript")
c.String(200, string(data))
} else if ext == "png" {
fmt.Println("sending image")
c.Data(200, "image/png", data)
} else {
c.Header("Content-type", "text/"+ext)
c.String(200, string(data))
}
}