Internalize id.ContentURI Valuer

Removes dependency on custom mautrix-go

types/contentURI.go

@@ -0,0 +1,29 @@
+package types
+
+import (
+	"database/sql/driver"
+
+	"maunium.net/go/mautrix/id"
+)
+
+type ContentURI struct {
+	id.ContentURI
+}
+
+func (m *ContentURI) Scan(value interface{}) error {
+	bytes, ok := value.([]byte)
+	if !ok {
+		println(len(bytes))
+		//return errors.New(fmt.Sprint("Failed to unmarshal value:", value))
+	}
+	if len(bytes) == 0 {
+		uri, _ := id.ParseContentURI("")
+		*m = ContentURI{uri}
+		return nil
+	}
+	return m.UnmarshalText(bytes)
+}
+
+func (m ContentURI) Value() (driver.Value, error) {
+	return m.String(), nil
+}