Another big refactor: Back to a single folder for persistence implementation

persistence/property_repository.go

@@ -0,0 +1,55 @@
+package persistence
+
+import (
+	"github.com/astaxie/beego/orm"
+	"github.com/cloudsonic/sonic-server/domain"
+)
+
+type Property struct {
+	ID    string `orm:"pk;column(id)"`
+	Value string
+}
+
+type propertyRepository struct {
+	sqlRepository
+}
+
+func NewPropertyRepository() domain.PropertyRepository {
+	r := &propertyRepository{}
+	r.tableName = "property"
+	return r
+}
+
+func (r *propertyRepository) Put(id string, value string) error {
+	p := &Property{ID: id, Value: value}
+	num, err := Db().Update(p)
+	if err != nil {
+		return nil
+	}
+	if num == 0 {
+		_, err = Db().Insert(p)
+	}
+	return err
+}
+
+func (r *propertyRepository) Get(id string) (string, error) {
+	p := &Property{ID: id}
+	err := Db().Read(p)
+	if err == orm.ErrNoRows {
+		return "", domain.ErrNotFound
+	}
+	return p.Value, err
+}
+
+func (r *propertyRepository) DefaultGet(id string, defaultValue string) (string, error) {
+	value, err := r.Get(id)
+	if err == domain.ErrNotFound {
+		return defaultValue, nil
+	}
+	if err != nil {
+		return defaultValue, err
+	}
+	return value, nil
+}
+
+var _ domain.PropertyRepository = (*propertyRepository)(nil)