public async Task <object> Save([FromBody] JObject diffJson)
{
//WARNING: This sample implementation bypasses locking, versioning and subscriptions. If you use it side by side with
//the RetroDRY implementation, changes saved here won't be noticed by RetroDRY clients.
//authenticate; for demo purposes we will assume the user, but for a real app you would check the authentication
//header and look up the user in a cache or databse
var user = UserCache.Buffy_The_Admin;
//parse the changes provided by the caller
var diff = Retrovert.FromDiff(Globals.Retroverse.DataDictionary, diffJson);
//save
MultiSaver.Result[] saveresult;
using (var saver = new MultiSaver(Globals.Retroverse, user, new[] { diff }))
{
await saver.Save();
saveresult = saver.GetResults();
}
return(new
{
Key = saveresult[0].NewKey.ToString(),
saveresult[0].Errors
});
}
public void FromDiff()
{
var emily = new Ogre()
{
Name = "Emily",
Key = new PersistonKey("Ogre", "3", false),
Version = "v2",
Money = 2,
OgreId = 3,
PaymentMethod = new List <Ogre.PaymentMethodRow>
{
new Ogre.PaymentMethodRow {
PaymentMethodId = 91, Method = "THUMP", Notes = "n1"
},
new Ogre.PaymentMethodRow {
PaymentMethodId = 92, Method = "BOP", Notes = null
}
}
};
var ddict = new DataDictionary();
ddict.AddDatonUsingClassAnnotation(typeof(Ogre));
string json = "{'key':'Ogre|=9','version':'v2','ogre':[{'ogreId':9,'money':2.50,'paymentMethod-deleted':[{'paymentMethodId':92}],'paymentMethod-new':[{'method':'STOMP','notes':'n2'}]}]}".Replace('\'', '"');
var jobj = JsonConvert.DeserializeObject <JObject>(json);
var emilyChanges = Retrovert.FromDiff(ddict, jobj);
Assert.AreEqual(new PersistonKey("Ogre", "9", false), emilyChanges.Key);
Assert.AreEqual("v2", emilyChanges.BasedOnVersion);
Assert.AreEqual(9, emilyChanges.MainTable[0].Columns["OgreId"]);
Assert.AreEqual((decimal)2.5, emilyChanges.MainTable[0].Columns["Money"]);
emilyChanges.ApplyTo(ddict.DatonDefs["Ogre"], emily);
Assert.AreEqual((decimal)2.5, emily.Money);
Assert.IsFalse(emily.PaymentMethod.Any(m => m.Method == "BOP")); //deleted BOP
Assert.IsTrue(emily.PaymentMethod.Any(m => m.Method == "STOMP")); //added STOMP
Assert.IsTrue(emily.PaymentMethod.Any(m => m.Method == "THUMP")); //no change
}