/// <summary>
/// 获取变动记录
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public Get_ChangeLog GetChangeLog(string data)
{
DataVersion m = Newtonsoft.Json.JsonConvert.DeserializeObject <DataVersion>(data);
List <ChangeLog_Model> cm = DBSynLog.GetChangeLog(m.Identifier, m.Version);
List <ChangeLog_Model_RT> rtmm = new List <ChangeLog_Model_RT>();
foreach (var c in cm)
{
ChangeLog_Model_RT rt = new ChangeLog_Model_RT();
rt.ChangeType = c.ChangeType;
rt.ID = c.ID;
rt.Identifier = c.Identifier;
rt.Key = c.Key;
rt.Version = c.Version;
string strData = System.Text.Encoding.UTF8.GetString(c.Data);
rt.Data = string.IsNullOrEmpty(strData) ? null : Newtonsoft.Json.Linq.JObject.Parse(System.Text.Encoding.UTF8.GetString(c.Data));
rtmm.Add(rt);
}
Get_ChangeLog rtm = new Get_ChangeLog();
rtm.result = 0;
rtm.resultStr = "";
// rtm.data = DBSynLog.GetChangeLog(m.Identifier, m.Version);
rtm.data = rtmm;
return(rtm);
// return null;
}
/// <summary>
/// 传入需要更新各类数据的版本号，返回最新版本号或是需要整体更新
/// 输入参数DataVersion包含客户端数据版本号
/// 返回DataVersion包含最新版本号
/// 版本号为0时表示没有变动数据
/// 版本号为-1时表示版本过期
/// </summary>
/// <returns></returns>
public InterfaceRet ReadDataVersion(string data)
{
_ret.Clear();
DataVersion version = Newtonsoft.Json.JsonConvert.DeserializeObject <DataVersion>(data);
//为果传入的版本号为0 则返回结果为-1
if (version.Version == 0)
{
version.Version = -1;
_ret.data = version;
return(_ret);
}
int minVersion, maxVersion;
DBSynLog.GetVersionRange(version.Identifier, out minVersion, out maxVersion);
if (minVersion == 0 && maxVersion == 0)//没有数据变动
{
version.Version = 0;
}
else
if (version.Version < minVersion) //数据版本过期
{
version.Version = -1;
}
else
if (version.Version > maxVersion) //异常版本
{
throw new Exception(string.Format("{0} 数据版本{1}大于服务器数据版本{2}", version.Identifier, version.Version, maxVersion));
}
else
{
version.Version = maxVersion;
}
_ret.data = version;
return(_ret);
}