google mail API [[[WIP]]]

googleapi/attachment.go

@@ -0,0 +1,41 @@
+package googleapi
+
+import (
+	"encoding/base64"
+	"fmt"
+)
+
+type MailAttachment struct {
+	IsInline    bool
+	ContentType *string
+	Filename    *string
+	Data        []byte
+}
+
+func (a MailAttachment) dump() []string {
+	res := make([]string, 0, 4)
+
+	if a.ContentType != nil {
+		res = append(res, "Content-Type: "+*a.ContentType+"; charset=UTF-8")
+	}
+
+	res = append(res, "Content-Transfer-Encoding: base64")
+
+	if a.IsInline {
+		if a.Filename != nil {
+			res = append(res, fmt.Sprintf("Content-Disposition: inline;filename=\"%s\"", *a.Filename))
+		} else {
+			res = append(res, "Content-Disposition: inline")
+		}
+	} else {
+		if a.Filename != nil {
+			res = append(res, fmt.Sprintf("Content-Disposition: attachment;filename=\"%s\"", *a.Filename))
+		} else {
+			res = append(res, "Content-Disposition: attachment")
+		}
+	}
+
+	res = append(res, base64.URLEncoding.EncodeToString(a.Data))
+
+	return res
+}