Add some new api of preference.

rest/preference_dao.go

@@ -0,0 +1,55 @@
+package rest
+
+import (
+	_ "github.com/jinzhu/gorm/dialects/mysql"
+	"github.com/nu7hatch/gouuid"
+	"time"
+)
+
+type PreferenceDao struct {
+	BaseDao
+}
+
+//按照Id查询偏好设置
+func (this *PreferenceDao) Fetch() *Preference {
+
+	// Read
+	var preference = &Preference{}
+	db := this.context.DB.First(preference)
+	if db.Error != nil {
+
+		if db.Error.Error() == "record not found" {
+			preference.Name = "蓝眼云盘"
+			this.Create(preference)
+			return preference
+		} else {
+			return nil
+		}
+
+	}
+
+	return preference
+}
+
+//创建
+func (this *PreferenceDao) Create(preference *Preference) *Preference {
+
+	timeUUID, _ := uuid.NewV4()
+	preference.Uuid = string(timeUUID.String())
+	preference.CreateTime = time.Now()
+	preference.ModifyTime = time.Now()
+	db := this.context.DB.Create(preference)
+	this.PanicError(db.Error)
+
+	return preference
+}
+
+//修改一个偏好设置
+func (this *PreferenceDao) Save(preference *Preference) *Preference {
+
+	preference.ModifyTime = time.Now()
+	db := this.context.DB.Save(preference)
+	this.PanicError(db.Error)
+
+	return preference
+}