Move utils into shared folder

shared/fswrapper.go

@@ -0,0 +1,35 @@
+package shared
+
+import (
+	"io/fs"
+
+	"github.com/rs/zerolog/log"
+)
+
+// Fix for go:embed file systems including the full path of the embedded files
+// Adds a given string to the front of all requests
+type FSWrapper struct {
+	wrapped fs.FS
+	toAdd   string
+	log     bool
+}
+
+func NewFSWrapper(wraps fs.FS, appends string, logAccess bool) *FSWrapper {
+	return &FSWrapper{
+		wrapped: wraps,
+		toAdd:   appends,
+		log:     logAccess,
+	}
+}
+
+func (fs *FSWrapper) Open(name string) (fs.File, error) {
+	res, err := fs.wrapped.Open(fs.toAdd + name)
+	if fs.log {
+		log.Debug().
+			Str("prefix", fs.toAdd).
+			Str("filename", name).
+			Err(err).
+			Msg("fswrapper: File access result")
+	}
+	return res, err
+}