SQL/Orm ArtistRepository complete

persistence/db_sql/sql_repository.go

@@ -0,0 +1,59 @@
+package db_sql
+
+import (
+	"github.com/astaxie/beego/orm"
+	"github.com/cloudsonic/sonic-server/persistence"
+)
+
+type sqlRepository struct {
+	entityName string
+}
+
+func (r *sqlRepository) newQuery(o orm.Ormer) orm.QuerySeter {
+	return o.QueryTable(r.entityName)
+}
+
+func (r *sqlRepository) CountAll() (int64, error) {
+	return r.newQuery(Db()).Count()
+}
+
+func (r *sqlRepository) Exists(id string) (bool, error) {
+	c, err := r.newQuery(Db()).Filter("id", id).Count()
+	return c == 1, err
+}
+
+func (r *artistRepository) put(id string, a interface{}) error {
+	return WithTx(func(o orm.Ormer) error {
+		c, err := r.newQuery(Db()).Filter("id", id).Count()
+		if err != nil {
+			return err
+		}
+		if c == 0 {
+			_, err = o.Insert(a)
+			return err
+		}
+		_, err = o.Update(a)
+		return err
+	})
+}
+
+func (r *sqlRepository) purgeInactive(activeList interface{}, getId func(item interface{}) string) ([]string, error) {
+	ids := persistence.CollectValue(activeList, getId)
+	var values []orm.Params
+	err := WithTx(func(o orm.Ormer) error {
+		qs := o.QueryTable(r.entityName).Exclude("id__in", ids)
+		num, err := qs.Values(&values, "id")
+		if num > 0 {
+			_, err = qs.Delete()
+		}
+		return err
+	})
+	if err != nil {
+		return nil, err
+	}
+	result := make([]string, len(values))
+	for i, v := range values {
+		result[i] = v["ID"].(string)
+	}
+	return result, nil
+}