public async Task Server(String command, String baseUrl, Int64 userId, HttpResponseBase response)
{
var rm = await RequestModel.CreateFromBaseUrl(_host, Admin, baseUrl);
RequestView rw = rm.GetCurrentAction();
String loadProc = rw.LoadProcedure;
if (loadProc == null)
{
throw new RequestModelException("The data model is empty");
}
var prms = new ExpandoObject();
prms.Set("UserId", userId);
prms.Set("Id", rw.Id);
IDataModel model = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, prms);
var msi = new ModelScriptInfo()
{
DataModel = model,
Template = rw.template,
Path = rw.Path
};
var ss = _scripter.GetServerScript(msi);
response.ContentType = "text/javascript";
response.Write(ss.Script);
}
internal async Task SaveDataObj(Action <ExpandoObject> setParams, ExpandoObject dataToSave, TextWriter writer)
{
String baseUrl = dataToSave.Get <String>("baseUrl");
if (NormalizeBaseUrl != null)
{
baseUrl = NormalizeBaseUrl(baseUrl);
}
ExpandoObject data = dataToSave.Get <ExpandoObject>("data");
var rm = await RequestModel.CreateFromBaseUrl(_host, Admin, baseUrl);
RequestView rw = rm.GetCurrentAction();
var prms = new ExpandoObject();
setParams?.Invoke(prms);
prms.Append(rw.parameters);
CheckUserState(prms);
IDataModel model = await _dbContext.SaveModelAsync(rw.CurrentSource, rw.UpdateProcedure, data, prms);
IModelHandler handler = rw.GetHookHandler();
if (handler != null)
{
await handler.AfterSave(data, model.Root);
}
WriteDataModel(model, writer);
}
internal async Task ReloadData(Action <ExpandoObject> setParams, String json, TextWriter writer)
{
ExpandoObject dataToSave = JsonConvert.DeserializeObject <ExpandoObject>(json, new ExpandoObjectConverter());
String baseUrl = dataToSave.Get <String>("baseUrl");
ExpandoObject loadPrms = new ExpandoObject();
if (baseUrl.Contains("?"))
{
var parts = baseUrl.Split('?');
baseUrl = parts[0];
// parts[1] contains query parameters
var qryParams = HttpUtility.ParseQueryString(parts[1]);
loadPrms.Append(CheckPeriod(qryParams), toPascalCase: true);
}
if (NormalizeBaseUrl != null)
{
baseUrl = NormalizeBaseUrl(baseUrl);
}
if (baseUrl == null)
{
throw new RequestModelException("There are not base url for command 'reload'");
}
var rm = await RequestModel.CreateFromBaseUrl(_host, Admin, baseUrl);
RequestView rw = rm.GetCurrentAction();
String loadProc = rw.LoadProcedure;
if (loadProc == null)
{
throw new RequestModelException("The data model is empty");
}
setParams?.Invoke(loadPrms);
loadPrms.Set("Id", rw.Id);
loadPrms.Append(rw.parameters);
ExpandoObject prms2 = loadPrms;
if (rw.indirect)
{
// for indirect action - @UserId and @Id only
prms2 = new ExpandoObject();
setParams?.Invoke(prms2);
prms2.Set("Id", rw.Id);
}
IDataModel model = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, prms2);
if (rw.HasMerge)
{
var mergeModel = await _dbContext.LoadModelAsync(rw.MergeSource, rw.MergeLoadProcedure, prms2);
model.Merge(mergeModel);
}
rw = await LoadIndirect(rw, model, loadPrms);
WriteDataModel(model, writer);
}
public async Task RenderElementKind(RequestUrlKind kind, String pathInfo, ExpandoObject loadPrms, TextWriter writer)
{
RequestModel rm = await RequestModel.CreateFromUrl(_host, Admin, kind, pathInfo);
RequestView rw = rm.GetCurrentAction(kind);
await Render(rw, writer, loadPrms);
}
async Task <RequestView> LoadIndirect(RequestView rw, IDataModel innerModel, ExpandoObject loadPrms)
{
if (!rw.indirect)
{
return(rw);
}
if (!String.IsNullOrEmpty(rw.target))
{
String targetUrl = innerModel.Root.Resolve(rw.target);
if (String.IsNullOrEmpty(rw.targetId))
{
throw new RequestModelException("targetId must be specified for indirect action");
}
targetUrl += "/" + innerModel.Root.Resolve(rw.targetId);
var rm = await RequestModel.CreateFromUrl(_host, Admin, rw.CurrentKind, targetUrl);
rw = rm.GetCurrentAction();
String loadProc = rw.LoadProcedure;
if (loadProc != null)
{
loadPrms.Set("Id", rw.Id);
var newModel = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, loadPrms);
innerModel.Merge(newModel);
innerModel.System.Set("__indirectUrl__", rm.BaseUrl);
}
}
else
{
// simple view/model redirect
if (rw.targetModel == null)
{
throw new RequestModelException("'targetModel' must be specified for indirect action without 'target' property");
}
rw.model = innerModel.Root.Resolve(rw.targetModel.model);
rw.view = innerModel.Root.Resolve(rw.targetModel.view);
rw.viewMobile = innerModel.Root.Resolve(rw.targetModel.viewMobile);
rw.schema = innerModel.Root.Resolve(rw.targetModel.schema);
if (String.IsNullOrEmpty(rw.schema))
{
rw.schema = null;
}
rw.template = innerModel.Root.Resolve(rw.targetModel.template);
if (String.IsNullOrEmpty(rw.template))
{
rw.template = null;
}
String loadProc = rw.LoadProcedure;
if (loadProc != null)
{
loadPrms.Set("Id", rw.Id);
var newModel = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, loadPrms);
innerModel.Merge(newModel);
}
}
return(rw);
}
public async Task RenderElementKind(RequestUrlKind kind, String pathInfo, ExpandoObject loadPrms, TextWriter writer)
{
RequestModel rm = await RequestModel.CreateFromUrl(_host, kind, pathInfo);
RequestView rw = rm.GetCurrentAction(kind);
rw.CheckPermissions(_userStateManager?.GetUserPermissions(), Host.IsDebugConfiguration);
await Render(rw, writer, loadPrms);
}
public async Task RenderModel(String pathInfo, ExpandoObject loadPrms, TextWriter writer)
{
RequestModel rm = await RequestModel.CreateFromUrl(_host, Admin, RequestUrlKind.Page, pathInfo);
RequestView rw = rm.GetCurrentAction(RequestUrlKind.Page);
rw.view = NO_VIEW; // no view here
await Render(rw, writer, loadPrms);
}
internal async Task SaveDataObj(Action <ExpandoObject> setParams, ExpandoObject dataToSave, TextWriter writer)
{
String baseUrl = dataToSave.Get <String>("baseUrl");
if (NormalizeBaseUrl != null)
{
baseUrl = NormalizeBaseUrl(baseUrl);
}
ExpandoObject data = dataToSave.Get <ExpandoObject>("data");
var rm = await RequestModel.CreateFromBaseUrl(_host, baseUrl);
RequestView rw = rm.GetCurrentAction();
var prms = new ExpandoObject();
setParams?.Invoke(prms);
prms.Append(rw.parameters);
CheckUserState(prms);
IDataModel model = null;
IModelHandler handler = rw.GetHookHandler();
String invokeTarget = rw.GetInvokeTarget();
if (handler != null)
{
Int64 userId = prms.Get <Int64>("UserId");
var handled = await handler.BeforeSave(userId, data);
if (!handled)
{
model = await _dbContext.SaveModelAsync(rw.CurrentSource, rw.UpdateProcedure, data, prms);
await handler.AfterSave(userId, data, model.Root);
}
}
else if (invokeTarget != null)
{
model = await _dbContext.SaveModelAsync(rw.CurrentSource, rw.UpdateProcedure, data, prms);
var clr = new ClrInvoker();
clr.EnableThrow();
clr.Invoke(invokeTarget, prms); // after save
}
else
{
model = await _dbContext.SaveModelAsync(rw.CurrentSource, rw.UpdateProcedure, data, prms);
}
var eh = rw?.events?.afterSave;
if (eh != null)
{
// new model data
await _dbContext.SaveModelAsync(eh.CurrentSource(rw), eh.UpdateProcedure(rw), model.Root, prms);
}
WriteDataModel(model, writer);
}
async Task <String> WriteModelScriptModel(RequestView rw, IDataModel model, String rootId)
{
StringBuilder output = new StringBuilder();
String dataModelText = "null";
String templateText = "{}";
StringBuilder sbRequired = new StringBuilder();
if (model != null)
{
// write model script
String fileTemplateText = null;
if (rw.template != null)
{
fileTemplateText = await _host.ReadTextFile(Admin, rw.Path, rw.template + ".js");
AddRequiredModules(sbRequired, fileTemplateText);
templateText = CreateTemplateForWrite(_localizer.Localize(null, fileTemplateText));
}
dataModelText = JsonConvert.SerializeObject(model.Root, StandardSerializerSettings);
}
const String scriptText =
@"
'use strict';
window.$currentModule = function() {
$(RequiredModules)
$(ModelScript)
const rawData = $(DataModelText);
const template = $(TemplateText);
return {
dataModel: modelData(template, rawData)
};
};";
const String emptyModel = "function modelData() {return null;}";
var text = new StringBuilder(scriptText);
text.Replace("$(DataModelText)", dataModelText);
text.Replace("$(TemplateText)", _localizer.Localize(null, templateText));
text.Replace("$(RequiredModules)", sbRequired != null ? sbRequired.ToString() : String.Empty);
String modelScript = model != null?model.CreateScript(_scripter) : emptyModel;
text.Replace("$(ModelScript)", modelScript);
output.Append(text);
return(output.ToString());
}
protected internal async Task Render(RequestView rwArg, TextWriter writer, ExpandoObject loadPrms, Boolean secondPhase = false)
{
var dmAndView = await GetDataModelForView(rwArg, loadPrms);
IDataModel model = dmAndView.Model;
var rw = dmAndView.RequestView;
String rootId = "el" + Guid.NewGuid().ToString();
if (_renderer == null)
{
throw new InvalidOperationException("Service 'IRenderer' not registered");
}
var msi = new ModelScriptInfo()
{
DataModel = model,
RootId = rootId,
IsDialog = rw.IsDialog,
Template = rw.template,
Path = rw.Path,
BaseUrl = rw.ParentModel.BasePath
};
var si = await _scripter.GetModelScript(msi);
String modelScript = si.Script;
// TODO: use view engines
// try xaml
String fileName = rw.GetView() + ".xaml";
String basePath = rw.ParentModel.BasePath;
String filePath = _host.ApplicationReader.MakeFullPath(rw.Path, fileName);
Boolean bRendered = false;
if (_host.ApplicationReader.FileExists(filePath))
{
// render XAML
using (var strWriter = new StringWriter())
{
var ri = new RenderInfo()
{
RootId = rootId,
FileName = filePath,
FileTitle = fileName,
Path = basePath,
Writer = strWriter,
DataModel = model,
Localizer = _localizer,
CurrentLocale = null,
IsDebugConfiguration = _host.IsDebugConfiguration,
SecondPhase = secondPhase
};
_renderer.Render(ri);
// write markup
writer.Write(strWriter.ToString());
bRendered = true;
}
}
else
{
// try html
fileName = rw.GetView() + ".html";
filePath = _host.ApplicationReader.MakeFullPath(rw.Path, fileName);
if (_host.ApplicationReader.FileExists(filePath))
{
using (_host.Profiler.CurrentRequest.Start(ProfileAction.Render, $"render: {fileName}"))
{
using (var tr = new StreamReader(filePath))
{
String htmlText = await tr.ReadToEndAsync();
htmlText = htmlText.Replace("$(RootId)", rootId);
writer.Write(htmlText);
bRendered = true;
}
}
}
}
if (!bRendered)
{
throw new RequestModelException($"The view '{rw.GetView()}' was not found. The following locations were searched:\n{rw.GetRelativePath(".xaml")}\n{rw.GetRelativePath(".html")}");
}
writer.Write(modelScript);
}
internal async Task <DataModelAndView> GetDataModelForView(RequestView rw, ExpandoObject loadPrms)
{
var dmv = new DataModelAndView()
{
RequestView = rw
};
String loadProc = rw.LoadProcedure;
IDataModel model = null;
if (rw.parameters != null && loadPrms == null)
{
loadPrms = rw.parameters;
}
if (loadPrms != null)
{
loadPrms.AppendIfNotExists(rw.parameters);
if (rw.Id != null)
{
loadPrms.Set("Id", rw.Id);
}
}
if (loadProc != null)
{
ExpandoObject prms2 = loadPrms;
if (rw.indirect)
{
// for indirect - @TenantId, @UserId and @Id only
prms2 = new ExpandoObject();
prms2.Set("Id", rw.Id);
if (loadPrms != null)
{
prms2.Set("UserId", loadPrms.Get <Int64>("UserId"));
prms2.Set("TenantId", loadPrms.Get <Int32>("TenantId"));
}
}
model = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, prms2);
if (rw.copy)
{
model.MakeCopy();
}
if (!String.IsNullOrEmpty(rw.Id) && !rw.copy)
{
var me = model.MainElement;
if (me.Metadata != null)
{
var modelId = me.Id ?? String.Empty;
if (rw.Id != modelId.ToString())
{
throw new RequestModelException($"Element not found. Id={rw.Id}");
}
}
}
}
if (rw.indirect)
{
rw = await LoadIndirect(rw, model, loadPrms);
}
if (model?.Root != null)
{
// side effect!
rw.view = model.Root.Resolve(rw.view);
rw.template = model.Root.Resolve(rw.template);
}
if (_userStateManager != null && model != null)
{
Int64 userId = loadPrms.Get <Int64>("UserId");
if (_userStateManager.IsReadOnly(userId))
{
model.SetReadOnly();
}
}
dmv.Model = model;
dmv.RequestView = rw;
return(dmv);
}
internal async Task <DataModelAndView> GetDataModelForView(RequestView rw, ExpandoObject initialParams)
{
var dmv = new DataModelAndView()
{
RequestView = rw
};
String loadProc = rw.LoadProcedure;
// real params = [model.json, id, initial]
var realParams = new ExpandoObject();
realParams.Append(rw.parameters);
if (rw.Id != null)
{
realParams.Set("Id", rw.Id);
}
realParams.Append(initialParams);
IDataModel model = null;
if (loadProc != null)
{
ExpandoObject prms2 = realParams;
if (rw.indirect)
{
// for indirect - @TenantId, @UserId and @Id only
prms2 = new ExpandoObject();
prms2.Set("Id", rw.Id);
if (realParams != null)
{
prms2.Set("UserId", realParams.Get <Int64>("UserId"));
prms2.Set("TenantId", realParams.Get <Int32>("TenantId"));
}
}
model = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, prms2, rw.commandTimeout);
if (rw.HasMerge)
{
var mergeModel = await _dbContext.LoadModelAsync(rw.MergeSource, rw.MergeLoadProcedure, prms2, rw.commandTimeout);
model.Merge(mergeModel);
}
if (rw.copy)
{
model.MakeCopy();
}
if (!String.IsNullOrEmpty(rw.Id) && !rw.copy)
{
var me = model.MainElement;
if (me.Metadata != null)
{
var modelId = me.Id ?? String.Empty;
if (rw.Id != modelId.ToString())
{
throw new RequestModelException($"Element not found. Id={rw.Id}");
}
}
}
}
if (rw.indirect)
{
rw = await LoadIndirect(rw, model, realParams);
}
if (model?.Root != null)
{
// side effect!
rw.view = model.Root.Resolve(rw.view);
rw.viewMobile = model.Root.Resolve(rw.viewMobile);
rw.template = model.Root.Resolve(rw.template);
rw.checkTypes = model.Root.Resolve(rw.checkTypes);
}
if (_userStateManager != null && model != null)
{
Int64 userId = realParams.Get <Int64>("UserId");
if (_userStateManager.IsReadOnly(userId))
{
model.SetReadOnly();
}
}
dmv.Model = model;
dmv.RequestView = rw;
return(dmv);
}
async Task <String> WriteModelScript(RequestView rw, IDataModel model, String rootId)
{
StringBuilder output = new StringBuilder();
String dataModelText = "{}";
String templateText = "{}";
StringBuilder sbRequired = new StringBuilder();
// write model script
String fileTemplateText = null;
if (rw.template != null)
{
fileTemplateText = await _host.ReadTextFile(Admin, rw.Path, rw.template + ".js");
AddRequiredModules(sbRequired, fileTemplateText);
templateText = CreateTemplateForWrite(_localizer.Localize(null, fileTemplateText));
}
if (model != null)
{
dataModelText = JsonConvert.SerializeObject(model.Root, StandardSerializerSettings);
}
const String scriptHeader =
@"
<script type=""text/javascript"">
'use strict';
$(RequiredModules)
(function() {
const DataModelController = component('baseController');
const utils = require('std:utils');
const uPeriod = require('std:period');
const rawData = $(DataModelText);
const template = $(TemplateText);
";
const String scriptFooter =
@"
const vm = new DataModelController({
el:'#$(RootId)',
props: {
inDialog: {type: Boolean, default: $(IsDialog)},
pageTitle: {type: String}
},
data: modelData(template, rawData),
computed: {
utils() { return utils; },
period() { return uPeriod; }
},
});
vm.$data._host_ = {
$viewModel: vm
};
vm.__doInit__();
})();
</script>
";
var header = new StringBuilder(scriptHeader);
header.Replace("$(RootId)", rootId);
header.Replace("$(DataModelText)", dataModelText);
header.Replace("$(TemplateText)", _localizer.Localize(null, templateText));
header.Replace("$(RequiredModules)", sbRequired != null ? sbRequired.ToString() : String.Empty);
output.Append(header);
if (model != null)
{
output.Append(model.CreateScript(_scripter));
}
else
{
output.Append(_scripter.CreateEmptyStript());
}
var footer = new StringBuilder(scriptFooter);
footer.Replace("$(RootId)", rootId);
footer.Replace("$(IsDialog)", rw.IsDialog.ToString().ToLowerInvariant());
output.Append(footer);
return(output.ToString());
}
protected async Task Render(RequestView rw, TextWriter writer, ExpandoObject loadPrms)
{
String loadProc = rw.LoadProcedure;
IDataModel model = null;
if (rw.parameters != null && loadPrms == null)
{
loadPrms = rw.parameters;
}
if (loadPrms != null)
{
loadPrms.Set("Id", rw.Id);
loadPrms.AppendAndReplace(rw.parameters);
}
if (loadProc != null)
{
ExpandoObject prms2 = loadPrms;
if (rw.indirect)
{
// for indirect - @TenantId, @UserId and @Id only
prms2 = new ExpandoObject();
prms2.Set("Id", rw.Id);
if (loadPrms != null)
{
prms2.Set("UserId", loadPrms.Get <Int64>("UserId"));
prms2.Set("TenantId", loadPrms.Get <Int32>("TenantId"));
}
}
model = await _dbContext.LoadModelAsync(rw.CurrentSource, loadProc, prms2);
if (!String.IsNullOrEmpty(rw.Id))
{
var modelId = model.FirstElementId ?? String.Empty;
if (rw.Id != modelId.ToString())
{
throw new RequestModelException($"Element not found. Id={rw.Id}");
}
}
}
if (rw.indirect)
{
rw = await LoadIndirect(rw, model, loadPrms);
}
if (_userStateManager != null && model != null)
{
Int64 userId = loadPrms.Get <Int64>("UserId");
if (_userStateManager.IsReadOnly(userId))
{
model.SetReadOnly();
}
}
String rootId = "el" + Guid.NewGuid().ToString();
String modelScript = null;
String viewName = rw.GetView();
if (viewName == NO_VIEW)
{
modelScript = await WriteModelScriptModel(rw, model, rootId);
writer.Write(modelScript);
return;
}
if (_renderer == null)
{
throw new InvalidOperationException("Service 'IRenderer' not registered");
}
modelScript = await WriteModelScript(rw, model, rootId);
// TODO: use view engines
// try xaml
String fileName = rw.GetView() + ".xaml";
String filePath = _host.MakeFullPath(Admin, rw.Path, fileName);
Boolean bRendered = false;
if (System.IO.File.Exists(filePath))
{
// render XAML
if (System.IO.File.Exists(filePath))
{
using (var strWriter = new StringWriter())
{
var ri = new RenderInfo()
{
RootId = rootId,
FileName = filePath,
FileTitle = fileName,
Writer = strWriter,
DataModel = model,
Localizer = _localizer,
CurrentLocale = null,
IsDebugConfiguration = _host.IsDebugConfiguration
};
_renderer.Render(ri);
// write markup
writer.Write(strWriter.ToString());
bRendered = true;
}
}
}
else
{
// try html
fileName = rw.GetView() + ".html";
filePath = _host.MakeFullPath(Admin, rw.Path, fileName);
if (System.IO.File.Exists(filePath))
{
using (_host.Profiler.CurrentRequest.Start(ProfileAction.Render, $"render: {fileName}"))
{
using (var tr = new StreamReader(filePath))
{
String htmlText = await tr.ReadToEndAsync();
htmlText = htmlText.Replace("$(RootId)", rootId);
writer.Write(htmlText);
bRendered = true;
}
}
}
}
if (!bRendered)
{
throw new RequestModelException($"The view '{rw.GetView()}' was not found. The following locations were searched:\n{rw.GetRelativePath(".xaml")}\n{rw.GetRelativePath(".html")}");
}
writer.Write(modelScript);
}
