Improved background jobs

jobs/avatars/AvatarWebPFileOutput.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"github.com/animenotifier/arn"
+	"github.com/nfnt/resize"
+)
+
+// AvatarWebPFileOutput ...
+type AvatarWebPFileOutput struct {
+	Directory string
+	Size      int
+	Quality   float32
+}
+
+// SaveAvatar writes the avatar in WebP format to the file system.
+func (output *AvatarWebPFileOutput) SaveAvatar(avatar *Avatar) error {
+	img := avatar.Image
+
+	// Resize if needed
+	if img.Bounds().Dx() != output.Size {
+		img = resize.Resize(arn.AvatarSmallSize, 0, img, resize.Lanczos3)
+	}
+
+	// Write to file
+	fileName := output.Directory + avatar.User.ID + ".webp"
+	return arn.SaveWebP(img, fileName, output.Quality)
+}