public void Parse(bool simulator=true)
{
var rootNode = _doc.SelectNodes("ussd");
_screens = new List<UssdScreen>();
_scripts = new List<UssdScript>();
_actions = new List<UssdAction>();
_formLists = new List<UssdFormList>();
_forms = new List<UssdForm>();
_menus = new List<UssdMenu>();
_boundModels = new Dictionary<string, dynamic>();
if (rootNode==null)
{
throw new Exception("no \"ussd\" element found");
}
//gather scripts
foreach (XmlNode node in rootNode)
{
foreach (XmlNode ussdElement in node.ChildNodes)
{
if (ussdElement.Name == "script")
{
if (ussdElement.Attributes.GetNamedItem("id") == null)
{
throw new Exception("script attribute \"id\" is required");
}
var scriptId = ussdElement.Attributes["id"].InnerText;
Console.WriteLine("gotten script {0}", scriptId);
if (_screens.Any(s => s.Id == scriptId))
{
throw new Exception($"script id already exists at {scriptId}");
}
var script = new UssdScript
{
Id = scriptId,
Content = ussdElement.InnerText,
BindFrom = ussdElement.Attributes.GetNamedItem("bindfrom") != null?ussdElement.Attributes["bindfrom"].InnerText:"",
BindTo= ussdElement.Attributes.GetNamedItem("bindto") != null?ussdElement.Attributes["bindto"].InnerText:"",
};
_scripts.Add(script);
Console.WriteLine("added script {0}",scriptId);
}
}
}
foreach (XmlNode node in rootNode)
{
foreach (XmlNode ussdElement in node.ChildNodes)
{
#region screens
if (ussdElement.Name=="screen")
{
if (ussdElement.Attributes["id"] == null)
{
throw new Exception("screen id is required");
}
var screenId = ussdElement.Attributes["id"].InnerText;
Console.WriteLine("gotten screen {0}", screenId);
if (_screens.Any(s => s.Id == screenId))
{
throw new Exception($"screen id already exists at {screenId}");
}
var ussdScreen = new UssdScreen
{
Id = screenId,
};
foreach (XmlNode screenItem in ussdElement.ChildNodes)
{
#region Menu Element
if (screenItem.Name.Equals("menu"))
{
var menuNodes = screenItem.ChildNodes;
var ussdMenu = new UssdMenu();
if (screenItem.Attributes.Count > 0)
{
if (screenItem.Attributes["bindfrom"] != null)
{
//todo: always check if there's a corresponding bindto in another screen
ussdMenu.BindFrom = new UssdBoundModel
{
Name = screenItem.Attributes["bindfrom"].InnerText
};
}
if (screenItem.Attributes["bindaction"] != null)
{
ussdMenu.BindAction = new UssdBoundAction(screenItem.Attributes["bindaction"].InnerText);
}
}
foreach (XmlNode menuNode in menuNodes)
{
if (menuNode.Name == "title")
{
ussdMenu.Title = menuNode.InnerText.ToUssdString(simulator);
}
if (menuNode.Name == "option")
{
var menuOption = new UssdMenuOption
{
Text = menuNode.InnerText,
Value = menuNode.Attributes["value"].InnerText.ToUssdString(simulator),
OnSelect = new UssdNavigator(menuNode.Attributes["onselect"].InnerText)
};
ussdMenu.Options.Add(menuOption);
}
}
ussdScreen.UssdItems.Add(ussdMenu);
_menus.Add(ussdMenu);
Console.WriteLine("added menu {0}", ussdMenu.Title);
}
#endregion
#region Form Element
if (screenItem.Name.Equals("form"))
{
var formNodes = screenItem.ChildNodes;
var ussdForm = new UssdForm();
if (screenItem.Attributes.Count > 0)
{
if (screenItem.Attributes["bindto"] != null)
{
ussdForm.BindTo = new UssdBoundModel
{
Name = screenItem.Attributes["bindto"].InnerText
};
//_boundModels[screenItem.Attributes["bindto"].InnerText] = new Dictionary<string, string>();
}
if (screenItem.Attributes["onsubmit"] != null)
{
ussdForm.OnSubmit = new UssdNavigator(screenItem.Attributes["onsubmit"].InnerText);
}
else
{
throw new Exception("form attribute \"onsubmit\" is required");
}
}
foreach (XmlNode formNode in formNodes)
{
if (formNode.Name == "title")
{
ussdForm.Title = formNode.InnerText.ToUssdString(simulator);
}
if (formNode.Name == "input")
{
var ussdFormInput = new UssdFormInput
{
Id = formNode.Attributes["id"].InnerText,
Type = formNode.Attributes["type"].InnerText,
Display = formNode.Attributes["display"].Value.ToUssdString(simulator),
Required =
bool.Parse(formNode.Attributes["required"].InnerText),
MaxLength = formNode.Attributes["maxlength"] == null ? (int?)null : int.Parse(formNode.Attributes["maxlength"].InnerText)
};
if (ussdFormInput.Type == "list")
{
ussdFormInput.IsList = true;
ussdFormInput.ListId = formNode.Attributes["listid"].InnerText;
}
ussdForm.Inputs.Add(ussdFormInput);
}
if (formNode.Name == "list")
{
var formListNodes = formNode.ChildNodes;
var ussdFormList = new UssdFormList { Id = formNode.Attributes["id"].InnerText };
bool hasRepeater = formNode.Attributes.GetNamedItem("repeater") != null;
if (hasRepeater)
{
ussdFormList.Repeater = formNode.Attributes["repeater"].InnerText;
var scriptItem =
_scripts.FirstOrDefault(s => s.Id == ussdFormList.RepeaterScriptId);
if (scriptItem == null)
{
throw new Exception(
$"script id \"{ussdFormList.RepeaterScriptId}\" not found");
}
}
else
{
foreach (XmlNode formListNode in formListNodes)
{
ussdFormList.Choices.Add(new UssdFormListChoice
{
Text = formListNode.InnerText,
Selector = formListNode.Attributes["selector"].InnerText,
Value = formListNode.Attributes["value"].InnerText
});
}
}
_formLists.Add(ussdFormList);
}
}
ussdScreen.UssdItems.Add(ussdForm);
_forms.Add(ussdForm);
Console.WriteLine("added form {0}", ussdForm.Title);
}
#endregion
#region Text Element
if (screenItem.Name.Equals("text"))
{
var ussdText = new UssdText(screenItem.InnerText.ToUssdString(simulator));
if (screenItem.Attributes.Count > 0)
{
if (screenItem.Attributes["bindfrom"] != null)
{
//todo: always check if there's a corresponding bindto in another screen
ussdText.BindFrom = new UssdBoundModel
{
Name = screenItem.Attributes["bindfrom"].InnerText
};
}
if (screenItem.Attributes["bindaction"] != null)
{
ussdText.BindAction = new UssdBoundAction(screenItem.Attributes["bindaction"].InnerText);
}
}
ussdScreen.UssdItems.Add(ussdText);
}
#endregion
#region Action Element
if (screenItem.Name.Equals("action"))
{
var actionNode = screenItem.ChildNodes;
var ussdAction = new UssdAction();
if (screenItem.Attributes.Count > 0)
{
if (screenItem.Attributes["id"] != null)
{
ussdAction.Id = screenItem.Attributes["id"].InnerText;
}
else
{
throw new Exception("action attribute id is required");
}
if (screenItem.Attributes["bindto"] != null)
{
ussdAction.BindTo = new UssdBoundModel
{
Name = screenItem.Attributes["bindto"].InnerText
};
// _boundModels[screenItem.Attributes["bindto"].InnerText] = new Dictionary<string, string>();
}
else
{
throw new Exception("action attribute bindto is required");
}
if (screenItem.Attributes["cycle"] != null)
{
UssdActionCycle cycle;
if (!Enum.TryParse(screenItem.Attributes["cycle"].InnerText, true, out cycle))
{
throw new Exception(String.Format("action attribute cycle has an unknown value. Allowed values are: {0} or {1}", UssdActionCycle.Always, UssdActionCycle.Once));
}
ussdAction.Http.Cycle = cycle;
}
}
else
{
throw new Exception("form attribute id and bindto is required");
}
foreach (XmlNode xmlNode in actionNode)
{
if (xmlNode.Attributes.Count > 0)
{
if (xmlNode.Attributes["url"] != null)
{
ussdAction.Http.Url = xmlNode.Attributes["url"].InnerText.ToUssdString(simulator);
}
else
{
throw new Exception("http attribute url is required");
}
if (xmlNode.Attributes["method"] != null)
{
UssdActionHttpMethod httpMethod;
if (!Enum.TryParse(xmlNode.Attributes["method"].InnerText, true, out httpMethod))
{
throw new Exception("http attribute method is invalid");
}
ussdAction.Http.Method = httpMethod;
}
else
{
throw new Exception("http attribute method is required");
}
}
if (xmlNode.Name == "http")
{
var httpNodes = xmlNode.ChildNodes;
foreach (XmlNode httpNode in httpNodes)
{
if (httpNode.Name == "header")
{
var headers = httpNode.ChildNodes;
foreach (XmlNode header in headers)
{
if (header.Name == "add")
{
var ussdActionHttpHeader = new UssdActionHttpHeader
{
Name = header.Attributes["key"].InnerText,
Value = header.Attributes["value"].InnerText,
};
ussdAction.Http.Headers.Add(ussdActionHttpHeader);
}
}
}
if (httpNode.Name == "body")
{
if (httpNode.Attributes["bindfrom"] != null)
{
ussdAction.Http.Body.BindFrom = new UssdBoundModel
{
Name = httpNode.Attributes["bindfrom"].InnerText
};
}
var headers = httpNode.ChildNodes;
foreach (XmlNode header in headers)
{
if (header.Name == "add")
{
var ussdActionHttpBody = new UssdActionHttpBodyParam
{
Name = header.Attributes["key"].InnerText,
Value = header.Attributes["value"].InnerText,
};
ussdAction.Http.Body.Params.Add(ussdActionHttpBody);
}
}
}
if (httpNode.Name == "response")
{
var responses = httpNode.ChildNodes;
foreach (XmlNode response in responses)
{
if (response.Name == "code")
{
var ussdActionHttpResponse = new UssdActionHttpResponse
{
Value = int.Parse(response.Attributes["value"].InnerText),
Goto = new UssdNavigator(response.Attributes["goto"].InnerText),
};
ussdAction.Http.Responses.Add(ussdActionHttpResponse);
}
}
}
}
}
}
ussdScreen.UssdItems.Add(ussdAction);
_actions.Add(ussdAction);
Console.WriteLine("added action {0}", ussdAction.Id);
}
#endregion
}
if (ussdElement.Attributes["main"] != null
)
{
var mainString = ussdElement.Attributes["main"].InnerText;
bool isMain;
if (bool.TryParse(mainString, out isMain))
{
ussdScreen.Main = isMain;
}
}
_screens.Add(ussdScreen);
Console.WriteLine("{0} screens", _screens.Count);
}
#endregion
}
}
if (_screens.Count == 0)
{
throw new Exception("no screens");
}
if (!_screens.Any(s=>s.Main))
{
throw new Exception("no main attribute on any of the screens. Please include main=\"true\" as attribute on your main screen element");
}
}
private void ShowScreen(UssdScreen firstScreen)
{
foreach (var ussdItem in firstScreen.UssdItems)
{
#region Menu
if (ussdItem.GetType() == typeof (UssdMenu))
{
var ussdMenu = (UssdMenu) ussdItem;
if (!string.IsNullOrEmpty(ussdMenu.BindAction.Name)) //bindaction is priority now
{
//menu action is not always a UssdAction
if (ussdMenu.BindAction.NavType == UssdNavigatorTypes.ToScript)
{
var script = _scripts.FirstOrDefault(s => s.Id == ussdMenu.BindAction.Name);
if (script == null)
{
throw new Exception($"script with ID {ussdMenu.BindAction.Name} not found");
}
ScriptOutput scriptResult;
try
{
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] { "" },
AppDomain.CurrentDomain.BaseDirectory));
dynamic eo2 = null;
var eo = new ExpandoObject();
var eoColl = (ICollection<KeyValuePair<string, dynamic>>)eo;
var scriptContent = script.Content;
if (!string.IsNullOrEmpty(script.BindFrom))
{
//a hack to ensure that the proper class instance name is called instead of dev's "user.name"
scriptContent = scriptContent.Replace(script.BindFrom + ".", "BindFrom.");
var bindFromDict = _boundModels[script.BindFrom];
foreach (var kvp in bindFromDict)
{
eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
}
// eo2 = bindFromDict;
}
dynamic eoDynamic = eo;
scriptResult = CSharpScript.EvaluateAsync<ScriptOutput>(scriptContent, scriptOptions, new ScriptInput(new LussdRequestContext(), eoDynamic), typeof(ScriptInput)).Result;
if (!string.IsNullOrEmpty(script.BindTo))
{
//var sr = JsonConvert.SerializeObject(scriptResult.Response);
//var dictionaryOfScriptResult =JsonConvert.DeserializeObject<Dictionary<string, string>>(sr);
_boundModels[script.BindTo] = scriptResult.Response;
}
if (!string.IsNullOrEmpty(scriptResult.NextScreen))
{
var nextScreen = _screens.FirstOrDefault(s => s.Id == scriptResult.NextScreen);
if (nextScreen == null)
{
throw new Exception($"unknown screen \"{scriptResult.NextScreen}\"");
}
ShowScreen(nextScreen);
return;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
if (ussdMenu.BindAction.NavType == UssdNavigatorTypes.ToScreen)
{
var screenToNavigate = _screens.FirstOrDefault(s => s.Id == ussdMenu.BindAction.Name);
if (screenToNavigate == null)
{
throw new Exception($"screen id \"{ussdMenu.BindAction.Name}\" does not exist");
}
ShowScreen(screenToNavigate);
}
if (ussdMenu.BindAction.NavType == UssdNavigatorTypes.ToAction)
{
UssdAction actionItem = _actions.FirstOrDefault(a => a.Id == ussdMenu.BindAction.Name);
if (actionItem == null)
{
throw new Exception($"undefined action {ussdMenu.BindAction.Name}");
}
if (actionItem.Http.Cycle == UssdActionCycle.Once)
{
//todo: might throw an error
if (_boundModels[actionItem.BindTo.Name].Any()) //todo: this might not be so necessary, cos a developer may just want to call an API, no binding
{
}
else
{
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdMenu.BindAction.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
//no replacement occured....HTTP failed.
}
}
else if (actionItem.Http.Cycle == UssdActionCycle.Always)
{
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdMenu.BindAction.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
}
var model = _boundModels.Keys.FirstOrDefault(k => k == ussdMenu.BindFrom.Name);
if (model == null)
{
Console.WriteLine(ussdMenu.Title.Trim());
}
else
{
var title = ussdMenu.Title.Trim();
var boundModel = _boundModels[ussdMenu.BindFrom.Name];
title = title.ToUssdString();
dynamic dynamicExpression = boundModel;
//end
try
{
var sContent = "var " + ussdMenu.BindFrom.Name + " = LussdDynamicExpression; " + "\r\n return $\"" + title + "\";";
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] { "" },
AppDomain.CurrentDomain.BaseDirectory));
var scriptResult = CSharpScript.EvaluateAsync<string>(sContent, scriptOptions, new LussdDynamicExpressionObject { LussdDynamicExpression = dynamicExpression }, typeof(LussdDynamicExpressionObject)).Result;
Console.WriteLine(scriptResult);
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}
foreach (var ussdMenuOption in ussdMenu.Options)
{
//todo: check for variable expressions
if (model != null)
{
var title = ussdMenuOption.Text;
var boundModel = _boundModels[ussdMenu.BindFrom.Name];
title = title.ToUssdString();
dynamic dynamicExpression = boundModel;
//end
try
{
var sContent = "var " + ussdMenu.BindFrom.Name + " = LussdDynamicExpression; " + "\r\n return $\"" + title + "\";";
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] { "" },
AppDomain.CurrentDomain.BaseDirectory));
var scriptResult = CSharpScript.EvaluateAsync<string>(sContent, scriptOptions, new LussdDynamicExpressionObject { LussdDynamicExpression = dynamicExpression }, typeof(LussdDynamicExpressionObject)).Result;
Console.WriteLine(scriptResult);
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}
else
{
Console.WriteLine(ussdMenuOption.Text);
}
}
var resp = Console.ReadLine();
while (true)
{
if (ussdMenu.Options.FirstOrDefault(s => s.Value == resp) != null)
{
break;
}
resp = Console.ReadLine();
}
var menuOption = ussdMenu.Options.FirstOrDefault(s => s.Value == resp);
if (menuOption.OnSelect.NavType== UssdNavigatorTypes.ToScript)
{
var script = _scripts.FirstOrDefault(s => s.Id == menuOption.OnSelect.Id);
if (script == null)
{
throw new Exception($"script with ID {menuOption.OnSelect.Id} not found");
}
ScriptOutput scriptResult;
try
{
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] { "" },
AppDomain.CurrentDomain.BaseDirectory));
// var eo = new ExpandoObject();
dynamic eo2 = null;
// var eoColl = (ICollection<KeyValuePair<string, dynamic>>)eo;
if (!string.IsNullOrEmpty(script.BindFrom))
{
var bindFromDict = _boundModels[script.BindFrom];
//foreach (var kvp in bindFromDict)
//{
// eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
//}
eo2 = bindFromDict;
}
dynamic eoDynamic = eo2;
var scriptContent = script.Content;
//a hack to ensure that the proper class instance name is called instead of dev's "user.name"
scriptContent = scriptContent.Replace(script.BindFrom + ".", "BindFrom.");
scriptResult = CSharpScript.EvaluateAsync<ScriptOutput>(scriptContent, scriptOptions, new ScriptInput(new LussdRequestContext(), eoDynamic), typeof(ScriptInput)).Result;
if (!string.IsNullOrEmpty(script.BindTo))
{
//var sr = JsonConvert.SerializeObject(scriptResult.Response);
// var dictionaryOfScriptResult =
// JsonConvert.DeserializeObject<Dictionary<string, string>>(sr);
_boundModels[script.BindTo] = scriptResult.Response;
}
if (!string.IsNullOrEmpty(scriptResult.NextScreen))
{
var nextScreen = _screens.FirstOrDefault(s => s.Id == scriptResult.NextScreen);
if (nextScreen == null)
{
throw new Exception($"unknown screen \"{scriptResult.NextScreen}\"");
}
ShowScreen(nextScreen);
return;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
if (menuOption.OnSelect.NavType==UssdNavigatorTypes.ToAction)
{
var actionItem = _actions.FirstOrDefault(a => a.Id == menuOption.OnSelect.Id);
if (actionItem == null)
{
throw new Exception($"undefined action {ussdMenu.BindAction.Name}");
}
if (actionItem.Http.Cycle == UssdActionCycle.Once)
{
if (_boundModels[actionItem.BindTo.Name].Any()) //todo: this might not be so necessary, cos a developer may just want to call an API, no binding
{
}
else
{
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdMenu.BindAction.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
else if (actionItem.Http.Cycle == UssdActionCycle.Always)
{
//should always do fresh bind
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdMenu.BindAction.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
if (menuOption.OnSelect.NavType== UssdNavigatorTypes.ToScreen)
{
// Console.WriteLine("navigating to {0}", menuOption.OnSelect.UssdScreen.Id);
var screenToNavigate = _screens.FirstOrDefault(s => s.Id == menuOption.OnSelect.UssdScreen.Id);
if (screenToNavigate == null)
{
throw new Exception($"screen id \"{menuOption.OnSelect.UssdScreen.Id}\" does not exist");
}
ShowScreen(screenToNavigate);
}
}
#endregion Menu
#region Text
if (ussdItem.GetType() == typeof (UssdText))
{
var ussdText = (UssdText) ussdItem;
if (!string.IsNullOrEmpty(ussdText.BindAction.Name))
{
if (ussdText.BindAction.NavType== UssdNavigatorTypes.ToScreen)
{
var screenToNavigate = _screens.FirstOrDefault(s => s.Id == ussdText.BindAction.Name);
if (screenToNavigate == null)
{
throw new Exception($"screen id \"{ussdText.BindAction.Name}\" does not exist");
}
ShowScreen(screenToNavigate);
}
if (ussdText.BindAction.NavType == UssdNavigatorTypes.ToScript)
{
var script = _scripts.FirstOrDefault(s => s.Id == ussdText.BindAction.Name);
if (script == null)
{
throw new Exception($"script with ID {ussdText.BindAction.Name} not found");
}
ScriptOutput scriptResult;
try
{
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] { "" },
AppDomain.CurrentDomain.BaseDirectory));
//var eo = new ExpandoObject();
//var eoColl = (ICollection<KeyValuePair<string, dynamic>>)eo;
var scriptContent = script.Content;
dynamic eo2 = null;
if (!string.IsNullOrEmpty(script.BindFrom))
{
//a hack to ensure that the proper class instance name is called instead of dev's "user.name"
scriptContent = scriptContent.Replace(script.BindFrom + ".", "BindFrom.");
var bindFromDict = _boundModels[script.BindFrom];
//foreach (var kvp in bindFromDict)
//{
// eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
//}
eo2 = bindFromDict;
}
dynamic eoDynamic = eo2;
scriptResult = CSharpScript.EvaluateAsync<ScriptOutput>(scriptContent, scriptOptions, new ScriptInput(new LussdRequestContext(), eoDynamic), typeof(ScriptInput)).Result;
if (!string.IsNullOrEmpty(script.BindTo))
{
//var sr = JsonConvert.SerializeObject(scriptResult.Response);
//var dictionaryOfScriptResult =
// JsonConvert.DeserializeObject<Dictionary<string, string>>(sr);
_boundModels[script.BindTo] = scriptResult.Response;
}
if (!string.IsNullOrEmpty(scriptResult.NextScreen))
{
var nextScreen = _screens.FirstOrDefault(s => s.Id == scriptResult.NextScreen);
if (nextScreen == null)
{
throw new Exception($"unknown screen \"{scriptResult.NextScreen}\"");
}
ShowScreen(nextScreen);
return;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
if (ussdText.BindAction.NavType == UssdNavigatorTypes.ToAction)
{
var actionItem = _actions.FirstOrDefault(a => a.Id == ussdText.BindAction.Name);
if (actionItem == null)
{
throw new Exception($"undefined action {ussdText.BindAction.Name}");
}
if (actionItem.Http.Cycle == UssdActionCycle.Once)
{
if (_boundModels[actionItem.BindTo.Name].Any())
{
}
else
{
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdText.BindAction.Value =bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
//no replacement occured....HTTP failed.
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: check which type of label it is
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
else if (actionItem.Http.Cycle == UssdActionCycle.Always)
{
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdText.BindAction.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
}
var model = _boundModels.Keys.FirstOrDefault(k => k == ussdText.BindFrom.Name);
if (model == null)
{
Console.WriteLine(ussdText.Text.Trim());
}
else
{
var title = ussdText.Text.Trim();
var boundModel = _boundModels[ussdText.BindFrom.Name];
title = title.ToUssdString();
//var eo = new ExpandoObject();
//var eoColl = (ICollection<KeyValuePair<string, dynamic>>)eo;
//foreach (var kvp in boundModel)
//{
// eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
//}
dynamic dynamicExpression = boundModel;
//end
try
{
var sContent = "var " + ussdText.BindFrom.Name + " = LussdDynamicExpression; " + "\r\n return $\"" + title + "\";";
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] { "" },
AppDomain.CurrentDomain.BaseDirectory));
var scriptResult = CSharpScript.EvaluateAsync<string>(sContent, scriptOptions, new LussdDynamicExpressionObject { LussdDynamicExpression = dynamicExpression }, typeof(LussdDynamicExpressionObject)).Result;
Console.WriteLine(scriptResult);
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}
}
#endregion Text
#region Form
if (ussdItem.GetType() == typeof (UssdForm))
{
var ussdForm = (UssdForm) ussdItem;
Console.WriteLine(ussdForm.Title.Trim()); //todo: parse the title, include bindfrom for form
foreach (var ussdFormInput in ussdForm.Inputs)
{
Console.WriteLine(ussdFormInput.Display);
if (ussdFormInput.IsList)
{
var listItem = _formLists.FirstOrDefault(l => l.Id == ussdFormInput.ListId);
if (listItem == null)
{
throw new Exception($"list with id {ussdFormInput.ListId} not found");
}
if (listItem.HasRepeater)
{
var script = _scripts.FirstOrDefault(s => s.Id == listItem.RepeaterScriptId);
if (script == null)
{
throw new Exception($"script with ID {listItem.RepeaterScriptId} not found");
}
ScriptOutput scriptResult;
try
{
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies)
.WithImports(_scriptImports)
.WithSourceResolver(new SourceFileResolver(new[] {""},
AppDomain.CurrentDomain.BaseDirectory));
var eo = new ExpandoObject();
var eoColl = (ICollection<KeyValuePair<string, dynamic>>)eo;
foreach (var kvp in ussdForm.BindTo.Value)
{
//eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
}
dynamic eoDynamic = eo;
var scriptContent = script.Content;
//a hack to ensure that the proper class instance name is called instead of dev's "user.name"
scriptContent = scriptContent.Replace(script.BindFrom + ".", "BindFrom.");
scriptResult = CSharpScript.EvaluateAsync<ScriptOutput>(scriptContent,scriptOptions,new ScriptInput(new LussdRequestContext(), eoDynamic),typeof(ScriptInput)).Result;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
listItem.Choices.Clear();
if (scriptResult.Response==null)
{
throw new Exception("List response is null");
}
foreach (var item in scriptResult.Response)
{
listItem.Choices.Add(new UssdFormListChoice
{
Value = item.value,
Selector = item.selector,
Text = item.text
});
}
}
listItem.Choices.ForEach(Console.WriteLine);
}
if (ussdFormInput.Required)
{
while (true)
{
var resp = Console.ReadLine();
if (!string.IsNullOrEmpty(resp))
{
ussdForm.BindTo.Value[ussdFormInput.Id] = resp;
break;
}
}
}
if (ussdFormInput.Type == "number")
{
var val = ussdForm.BindTo.Value[ussdFormInput.Id];
while (true)
{
if (IsNumber(val))
{
ussdForm.BindTo.Value[ussdFormInput.Id] = val;
break;
}
Console.WriteLine("INCORRECT INPUT (NUMBERS ONLY)- " + ussdFormInput.Display);
val = Console.ReadLine();
}
}
if (ussdFormInput.Type == "money")
{
var val = ussdForm.BindTo.Value[ussdFormInput.Id];
while (true)
{
decimal money;
if (decimal.TryParse(val, out money))
{
ussdForm.BindTo.Value[ussdFormInput.Id] = val;
break;
}
Console.WriteLine("INCORRECT INPUT (MONEY VALUE ONLY)- " + ussdFormInput.Display);
val = Console.ReadLine();
}
}
if (ussdFormInput.IsList)
{
var listItem = _formLists.FirstOrDefault(l => l.Id == ussdFormInput.ListId);
if (listItem==null)
{
throw new Exception($"list with id {ussdFormInput.ListId} not found");
}
var val = ussdForm.BindTo.Value[ussdFormInput.Id];
while (true)
{
var listChoice = listItem.Choices.FirstOrDefault(s => s.Selector == val);
if (listChoice!=null)
{
ussdForm.BindTo.Value[ussdFormInput.Id] = listChoice.Value;
break;
}
Console.WriteLine("INCORRECT INPUT -- " + ussdFormInput.Display);
val = Console.ReadLine();
}
}
if (ussdFormInput.MaxLength.HasValue)
{
var val = ussdForm.BindTo.Value[ussdFormInput.Id];
while (true)
{
if (val.Length <= ussdFormInput.MaxLength.Value)
{
ussdForm.BindTo.Value[ussdFormInput.Id] = val;
break;
}
Console.WriteLine("INCORRECT INPUT (MAX LENGTH SHOULD BE " +
ussdFormInput.MaxLength.Value + ")- " + ussdFormInput.Display);
val = Console.ReadLine();
}
}
}
_boundModels[ussdForm.BindTo.Name] = ussdForm.BindTo.Value;
if (ussdForm.OnSubmit.NavType== UssdNavigatorTypes.ToScreen)
{
var screenToNavigate = _screens.FirstOrDefault(s => s.Id == ussdForm.OnSubmit.UssdScreen.Id);
if (screenToNavigate == null)
{
throw new Exception($"screen id \"{ussdForm.OnSubmit.UssdScreen.Id}\" does not exist");
}
ShowScreen(screenToNavigate);
}
if (ussdForm.OnSubmit.NavType== UssdNavigatorTypes.ToScript)
{
var script = _scripts.FirstOrDefault(s => s.Id == ussdForm.OnSubmit.Id);
if (script==null)
{
throw new Exception($"script with id {ussdForm.OnSubmit.Id} not found");
}
ScriptOutput scriptResult;
try
{
var scriptOptions = ScriptOptions.Default.
WithReferences(_scriptAssemblies).WithImports(_scriptImports);
var eo = new ExpandoObject();
var eoColl = (ICollection<KeyValuePair<string, dynamic>>)eo;
foreach (var kvp in ussdForm.BindTo.Value)
{
eoColl.Add(new KeyValuePair<string, dynamic>(kvp.Key, kvp.Value));
}
dynamic eoDynamic = eo;
var scriptContent = script.Content;
scriptContent = scriptContent.Replace(script.BindFrom + ".", "BindFrom.");
scriptResult = CSharpScript.EvaluateAsync<ScriptOutput>(scriptContent, scriptOptions,new ScriptInput(new LussdRequestContext(), eoDynamic),typeof(ScriptInput)).Result;
if (!string.IsNullOrEmpty(script.BindTo))
{
//var sr = JsonConvert.SerializeObject(scriptResult.Response);
//var dictionaryOfScriptResult =
// JsonConvert.DeserializeObject<Dictionary<string, string>>(sr);
_boundModels[script.BindTo] = scriptResult.Response;
}
if (!string.IsNullOrEmpty(scriptResult.NextScreen))
{
var nextScreen = _screens.FirstOrDefault(s => s.Id == scriptResult.NextScreen);
if (nextScreen==null)
{
throw new Exception($"unknown screen \"{scriptResult.NextScreen}\"");
}
ShowScreen(nextScreen);
return;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
if (ussdForm.OnSubmit.NavType== UssdNavigatorTypes.ToAction)
{
var actionItem = _actions.FirstOrDefault(a => a.Id ==ussdForm.OnSubmit.Id);
if (actionItem == null)
{
throw new Exception($"undefined action {ussdForm.OnSubmit.Id}");
}
if (actionItem.Http.Cycle == UssdActionCycle.Once)
{
if (_boundModels[actionItem.BindTo.Name].Any()) //todo: this might not be so necessary, cos a developer may just want to call an API, no binding
{
}
else
{
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdForm.BindTo.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
//it might cause recursive actions
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
else if (actionItem.Http.Cycle == UssdActionCycle.Always)
{
//should always do fresh bind
var actionResponse = GrabActionResponse(actionItem).Result;
var bdict = new Dictionary<string, dynamic>();
foreach (var property in actionResponse.Item2.Properties())
{
bdict.Add(property.Name, property.Value);
}
ussdForm.BindTo.Value = bdict;
_boundModels[actionItem.BindTo.Name] = actionResponse.Item2;
Console.WriteLine("HTTP response {0}", actionResponse.Item1);
if (actionItem.Http.Responses.Any())
{
var navigatorLabel =
actionItem.Http.Responses.FirstOrDefault(
r => r.Value == (int)actionResponse.Item1);
if (navigatorLabel != null)
{
//todo: we need to discourage "ussd:action" for now....
ShowScreen(
_screens.FirstOrDefault(
s => s.Id == navigatorLabel.Goto.Id));
return;
}
}
}
}
}
#endregion Form
}
}
