func Puppy(res http.ResponseWriter, req *http.Request) {
// Parse GET request
err := req.ParseForm()
if err != nil {
http.Error(res, err.Error(), http.StatusInternalServerError)
return
}
// Grab GET form data
params := req.Form
// Parse out the breed, if present
var breed []string
breed = params["breed"]
if breed == nil {
breed = []string{""}
}
// Parse out the image type, if present
var imageType []string
imageType = params["type"]
if imageType == nil {
imageType = []string{""}
}
var format []string
format = params["format"]
if format == nil {
format = []string{"json"}
}
log.Printf("web.Puppy: breed=%v type=%v format=%v", breed[0], imageType[0], format[0])
// Get a random puppy with the constraints
randomPuppy := database.GetRandomPuppy(breed[0], imageType[0])
// If image source, redirect to the puppy image
if format[0] == "src" {
http.Redirect(res, req, randomPuppy.ImageUrl, http.StatusFound)
}
// Return JSON
response := map[string]string{"puppy_url": randomPuppy.ImageUrl}
data, err := json.Marshal(response)
if err != nil {
http.Error(res, err.Error(), http.StatusInternalServerError)
return
}
res.Header().Set("Content-Type", "application/json; charset=utf-8")
res.Write(data)
}
func Index(res http.ResponseWriter, req *http.Request) {
t, _ := template.ParseFiles("web/static/templates/index.html")
randomPuppy := database.GetRandomPuppy("", "")
t.Execute(res, randomPuppy.ImageUrl)
}