func Edit(rw http.ResponseWriter, req *http.Request, r render.Render, params martini.Params) {
c := appengine.NewContext(req)
var b banner.Banner
intID, err := strconv.Atoi(params["id"])
if err == nil {
b.ID = int64(intID)
}
if b.ID > 0 {
if err := b.Get(c); err != nil {
http.Redirect(rw, req, "/admin?error="+err.Error(), http.StatusFound)
return
}
}
uploadURL, err := blobstore.UploadURL(c, "/admin/banners/"+strconv.Itoa(intID), nil)
if err != nil {
http.Redirect(rw, req, "/admin?error="+err.Error(), http.StatusFound)
return
}
bag := make(map[string]interface{}, 0)
bag["Host"] = req.URL.Host
bag["Admin"] = true
bag["Banner"] = b
bag["URL"] = uploadURL
bag["ActiveNav"] = "banners"
r.HTML(200, "admin/banners/edit", bag)
return
}
func Get(rw http.ResponseWriter, req *http.Request, r render.Render, params martini.Params) {
var b banner.Banner
ctx := appengine.NewContext(req)
intID, err := strconv.Atoi(params["id"])
if err == nil {
b.ID = int64(intID)
}
err = b.Get(ctx)
if err != nil {
http.Error(rw, err.Error(), http.StatusInternalServerError)
return
}
r.JSON(200, b)
}
func Save(rw http.ResponseWriter, req *http.Request, r render.Render, params martini.Params) {
ctx := appengine.NewContext(req)
blobs, vals, err := blobstore.ParseUpload(req)
if err != nil {
http.Redirect(rw, req, "/admin/banners/"+params["id"]+"?error="+err.Error(), http.StatusFound)
return
}
var title string
var caption string
if len(vals["title"]) > 0 {
title = vals["title"][0]
}
if len(vals["caption"]) > 0 {
caption = vals["caption"][0]
}
b := banner.Banner{}
intID, err := strconv.Atoi(params["id"])
if err == nil {
b.ID = int64(intID)
}
b.Get(ctx)
b.Title = title
b.Caption = caption
file := blobs["image"]
if len(file) != 0 {
b.Image = fmt.Sprintf("/blob/%s", string(file[0].BlobKey))
} else if intID == 0 {
http.Redirect(rw, req, "/admin/banners/"+params["id"]+"?error=You must upload an image", http.StatusFound)
return
}
err = b.Save(ctx)
if err != nil {
http.Redirect(rw, req, "/admin/banners/"+params["id"]+"?error="+err.Error(), http.StatusFound)
return
}
http.Redirect(rw, req, "/admin/banners/"+strconv.Itoa(int(b.ID))+"?success=Banner saved", http.StatusFound)
return
}
func Delete(rw http.ResponseWriter, req *http.Request, r render.Render, params martini.Params) {
ctx := appengine.NewContext(req)
b := banner.Banner{}
intID, err := strconv.Atoi(params["id"])
if err == nil {
b.ID = int64(intID)
}
if err := b.Get(ctx); err != nil {
http.Error(rw, "failed to delete banner", http.StatusInternalServerError)
return
}
segs := strings.Split(b.Image, "/")
blobstore.Delete(ctx, appengine.BlobKey(segs[len(segs)-1]))
if err := b.Delete(ctx); err != nil {
http.Error(rw, "failed to delete banner", http.StatusInternalServerError)
return
}
r.Status(200)
return
}