private async Task ProcessCollectionsToClient(HttpContext context, ModelFromClient fromClient, ModelToClient model)
{
if (fromClient.root.children != null && fromClient.root.children.Count > 0)
{
if (model.refreshAll)
{
model.collections = null;
}
if (model.collections == null)
{
await ProcessCollectionsFromClient(context, fromClient, model);
}
foreach (ModelFromClientCollection clientCol in fromClient.root.children)
{
BusinessCollectionBase col = await Collection(clientCol.path);
List <ModelToClient> elements = model.collections[clientCol.path];
ModelToClient currentModel = null;
foreach (BusinessBase obj in col)
{
currentModel = elements.Find(element => element.keyObject == obj.Key);
await obj.ProcessResponseInternalElement(context, clientCol, currentModel);
}
}
}
}
private async Task ProcessCollectionsFromClient(HttpContext context, ModelFromClient fromClient, ModelToClient model)
{
if (fromClient.root.children != null && fromClient.root.children.Count > 0)
{
model.collections = new Dictionary <string, List <ModelToClient> >(fromClient.root.children.Count);
foreach (ModelFromClientCollection clientCol in fromClient.root.children)
{
BusinessCollectionBase col = await Collection(clientCol.path);
List <ModelToClient> elements = new List <ModelToClient>(col.Count);
ModelFromClientData clientElement;
foreach (BusinessBase obj in col)
{
clientElement = null;
if (clientCol.elements != null && !model.refreshAll)
{
clientElement = clientCol.elements.Find(element => obj.Key == element.key);
}
elements.Add(await obj.ProcessRequestInternalElement(context, clientCol, clientElement, fromClient.action));
}
model.collections.Add(clientCol.path, elements);
}
}
}
public async Task <JsonResult> Post([FromBody] ModelFromClient fromClient)
{
fromClient.Sanitize();
try
{
if (fromClient.action == "init")
{
ModelToClient toClient = new ModelToClient
{
formToken = Guid.NewGuid().ToString(),
sequence = 1,
action = "init"
};
return(new JsonResult(toClient));
}
else if (fromClient.action == "changed" || fromClient.action == "load" ||
fromClient.action == "ok" || fromClient.action == "clear" ||
fromClient.action == "new" || fromClient.action == "delete")
{
if (fromClient.action == "new")
{
fromClient.root.key = "0";
}
return(new JsonResult(await(await contextProvider.BusinessProvider.RetreiveObject(contextProvider, fromClient.objectName,
fromClient.root.key)).PerformActionAndCreateResponse(HttpContext, fromClient)));
}
return(new JsonResult(ModelToClient.ErrorResponse("Action " + fromClient.action + " not supported.")));
}
catch (Exception exp)
{
return(new JsonResult(ModelToClient.ErrorResponse(exp.Message)));
}
}
public virtual async Task <ModelToClient> PerformActionAndCreateResponse(HttpContext context, ModelFromClient fromClient)
{
ModelToClient model = new ModelToClient
{
wasNew = IsNew,
wasDeleting = IsDeleting,
wasModified = IsModified
};
if (fromClient.action == "load")
{
await ReadFromDB();
model.refreshAll = true;
}
else if (fromClient.action == "new")
{
if (!IsNew)
{
// Almost innecesary, done by BusinessBaseProvider.RetreiveObject in CRUDController.
await SetNew();
}
}
else if (fromClient.action == "delete")
{
IsDeleting = true;
}
else if (fromClient.action == "changed" || fromClient.action == "ok")
{
foreach (KeyValuePair <string, string> item in fromClient.root.data)
{
PropertyDefinition prop = Decorator.Properties[item.Key];
await prop.SetValue(this, item.Value);
}
await ProcessCollectionsFromClient(context, fromClient, model);
if (fromClient.action == "ok")
{
model.refreshAll = true;
try
{
string messageAction = IsDeleting ? "deleted" : (IsNew ? "created" : "saved");
await contextProvider.DbContext.BeginTransactionAsync();
await StoreToDB();
model.normalMessage = Description + " " + messageAction + " successfully.";
contextProvider.DbContext.CommitTransaction();
}
catch (Exception exp)
{
contextProvider.DbContext.RollbackTransaction();
model.ok = false;
model.errorMessage = LastErrorMessage == "" ? exp.Message : LastErrorMessage;
}
}
}
else if (fromClient.action == "clear")
{
if (IsNew)
{
await SetNew();
}
else
{
if (IsDeleting)
{
IsDeleting = false;
}
await ReadFromDB();
}
model.refreshAll = true;
}
// Send object data.
model.data = new Dictionary <string, string>(Decorator.ListProperties.Count);
if (fromClient.dataNames != null)
{
for (int index = 0; index < fromClient.dataNames.Count; ++index)
{
PropertyDefinition prop = Decorator.Properties[fromClient.dataNames[index]];
model.data.Add(prop.FieldName, await prop.GetValue(this));
}
}
await ProcessCollectionsToClient(context, fromClient, model);
await businessProvider.StoreObject(this, fromClient.objectName);
model.keyObject = Key;
model.isNew = IsNew;
model.isModified = IsModified;
model.isDeleting = IsDeleting;
if (ClientRefreshPending && !model.refreshAll)
{
model.refreshAll = true;
}
model.title = Title;
model.action = fromClient.action;
SetExtraToClientResponse(model);
model.Sanitize();
return(model);
}