Add parse string function

parse.go

@@ -32,3 +32,19 @@ func Stringify(str interface{}) string {
 	}
 	return string(out)
 }
+
+// ParseStringNil function to check string if empty return nil
+func ParseStringNil(s string) *string {
+	if len(s) > 0 {
+		return &s
+	}
+	return nil
+}
+
+// ParsePtrString function check pointer string, if nil return empty string
+func ParsePtrString(s *string) string {
+	if s == nil {
+		return ""
+	}
+	return *s
+}

parse_test.go

@@ -60,3 +60,34 @@ func (p *ParseSuite) Test_Stringify_Failed_Marshal() {
 
 	assert.NotEmpty(p.T(), result)
 }
+
+func (p *ParseSuite) Test_ParseStringNil() {
+	s := "test"
+
+	result := cookbook.ParseStringNil(s)
+
+	assert.NotNil(p.T(), result)
+}
+
+func (p *ParseSuite) Test_ParseStringNil_Empty() {
+	s := ""
+
+	result := cookbook.ParseStringNil(s)
+
+	assert.Nil(p.T(), result)
+}
+
+func (p *ParseSuite) Test_ParsePtrString() {
+	s := "test"
+
+	result := cookbook.ParsePtrString(&s)
+
+	assert.NotEmpty(p.T(), result)
+	assert.Equal(p.T(), s, result)
+}
+
+func (p *ParseSuite) Test_ParsePtrString_Nil() {
+	result := cookbook.ParsePtrString(nil)
+
+	assert.Empty(p.T(), result)
+}