feat(template): add Templating functionality and endpoint

pkg/svg/actions/download.go

@@ -0,0 +1,22 @@
+package actions
+
+import (
+	"bytes"
+	"log"
+
+	"tomatentum.net/svg-templater/pkg/format"
+	"tomatentum.net/svg-templater/pkg/svg"
+)
+
+func ProvideFile(r *TemplateParameters, conversion *format.ConversionParameters) (string, error) {
+	templatedSvgblob, err := Template(r)
+	if err != nil {
+		return "", err
+	}
+	log.Printf("Converting %s to format %s (w=%d,h=%d)", r.Id, conversion.Format, conversion.Width, conversion.Height)
+	result, err := format.ConvertByte(templatedSvgblob, *conversion)
+	if err != nil {
+		return "", err
+	}
+	return svg.Storage.CreatePublic(bytes.NewReader(result), conversion.Format)
+}