[#275] added support to customize the default user email templates from the Admin UI

models/base.go

@@ -9,8 +9,13 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
-// DefaultIdLength is the default length of the generated model id.
-const DefaultIdLength = 15
+const (
+	// DefaultIdLength is the default length of the generated model id.
+	DefaultIdLength = 15
+
+	// DefaultIdAlphabet is the default characters set used for generating the model id.
+	DefaultIdAlphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
+)
 
 // ColumnValueMapper defines an interface for custom db model data serialization.
 type ColumnValueMapper interface {
@@ -98,7 +103,7 @@ func (m *BaseModel) GetUpdated() types.DateTime {
 //
 // The generated id is a cryptographically random 15 characters length string.
 func (m *BaseModel) RefreshId() {
-	m.Id = security.RandomString(DefaultIdLength)
+	m.Id = security.RandomStringWithAlphabet(DefaultIdLength, DefaultIdAlphabet)
 }
 
 // RefreshCreated updates the model Created field with the current datetime.