Refine the rest structure.

code/rest/preference_dao.go

@@ -0,0 +1,65 @@
+package rest
+
+import (
+	"github.com/nu7hatch/gouuid"
+	"tank/code/tool/result"
+	"time"
+)
+
+type PreferenceDao struct {
+	BaseDao
+}
+
+//按照Id查询偏好设置
+func (this *PreferenceDao) Fetch() *Preference {
+
+	// Read
+	var preference = &Preference{}
+	db := CONTEXT.DB.First(preference)
+	if db.Error != nil {
+
+		if db.Error.Error() == result.DB_ERROR_NOT_FOUND {
+			preference.Name = "蓝眼云盘"
+			preference.ShowAlien = true
+			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.UpdateTime = time.Now()
+	preference.Sort = time.Now().UnixNano() / 1e6
+	db := 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.UpdateTime = time.Now()
+	db := CONTEXT.DB.Save(preference)
+	this.PanicError(db.Error)
+
+	return preference
+}
+
+
+//执行清理操作
+func (this *PreferenceDao) Cleanup() {
+
+	this.logger.Info("[PreferenceDao]执行清理：清除数据库中所有Preference记录。")
+	db := CONTEXT.DB.Where("uuid is not null").Delete(Preference{})
+	this.PanicError(db.Error)
+}