func ImageHandler(ctx wombat.Context, a *articles.Article, path, filename string) {
ctx.Response.Header().Set("Content-Type", "application/json")
// Save the image
img, err := web.SaveImage(ctx.Request, ctx.Response, path, filename)
if err != nil {
ctx.HttpError(http.StatusInternalServerError, GetError(ctx.Request, err))
return
}
s := img.Bounds().Size()
exists := false
// Add or Update the image
for _, v := range a.Imgs {
if v.Src == filename {
v.W, v.H = s.X, s.Y
exists = true
}
}
if !exists {
a.Imgs = append(a.Imgs, articles.Img{filename, "", s.X, s.Y})
}
// Update the article's images
if err = a.SetImgs(a.Imgs); err != nil {
log.Println("Failed to persit new image: ", filename, " for article: ", a.TitlePath)
ctx.HttpError(http.StatusInternalServerError, GetError(ctx.Request, err))
} else {
j := fmt.Sprintf(`{"image":"%s", "w":%d,"h":%d}`, filename, s.X, s.Y)
ctx.Response.Write([]byte(j))
}
}
func RemoveImage(a *articles.Article, src, imagePath string) (err error) {
// New slice, minus the `src` image
imgs := make([]articles.Img, 0, len(a.Imgs))
//imgs := []articles.Img{}
found := false
for _, i := range a.Imgs {
if i.Src == src {
found = true
} else {
imgs = append(imgs, i)
}
}
// If the `src` image was found, remove it from the Article
if found {
// Remove the `src` image from the filesystem
if err = a.SetImgs(imgs); err == nil {
p := filepath.Join(imagePath, a.TitlePath)
os.Remove(filepath.Join(p, src))
}
}
return
}