static async Task StartWatcher(IApplicationHost host, Boolean bAdmin)
{
if (_redirectLoaded)
{
return;
}
String redFilePath = host.MakeFullPath(bAdmin, String.Empty, "redirect.json");
if (System.IO.File.Exists(redFilePath))
{
String json = await host.ReadTextFile(bAdmin, String.Empty, "redirect.json");
_redirect = JsonConvert.DeserializeObject <Dictionary <String, String> >(json);
}
if (host.IsDebugConfiguration && _redirectWatcher == null)
{
_redirectWatcher = new FileSystemWatcher(Path.GetDirectoryName(redFilePath), "*.json")
{
NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.Size | NotifyFilters.Attributes | NotifyFilters.LastAccess
};
_redirectWatcher.Changed += (sender, e) =>
{
_redirectLoaded = false;
};
_redirectWatcher.EnableRaisingEvents = true;
}
_redirectLoaded = true;
}
public async Task Default(String pathInfo)
{
var page = pathInfo.ToLowerInvariant();
try
{
if (pathInfo.ToLowerInvariant() == "appstyles")
{
AppStyles();
return;
}
String path = _host.MakeFullPath(false, "_pages", $"{page}.{CurrentLang}.html");
if (!System.IO.File.Exists(path))
{
throw new IOException($"Application page not found ({page}.{CurrentLang}).");
}
String pageContent = System.IO.File.ReadAllText(path);
await SendPage(_localizer.Localize(null, pageContent));
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
public void Default(String pathInfo)
{
try
{
pathInfo = pathInfo.ToLowerInvariant();
if (pathInfo.IndexOf('.') == -1)
{
pathInfo = Path.ChangeExtension(pathInfo, "html"); // no extension -> .html
}
var path = _host.MakeFullPath(false, "_static/", pathInfo);
if (!System.IO.File.Exists(path))
{
throw new FileNotFoundException($"File not found '{pathInfo}'");
}
Response.ContentType = MimeMapping.GetMimeMapping(path);
using (var stream = System.IO.File.OpenRead(path))
{
stream.CopyTo(Response.OutputStream);
}
}
catch (Exception ex)
{
Response.ContentType = "text/plain";
if (ex.InnerException != null)
{
ex = ex.InnerException;
}
Response.Write(ex.Message);
}
}
public static String AppLinks(this IApplicationHost host)
{
var appPath = host.MakeFullPath(false, "", "links.json");
if (System.IO.File.Exists(appPath))
{
String appLinks = System.IO.File.ReadAllText(appPath);
Object links = JsonConvert.DeserializeObject <List <Object> >(appLinks);
return(JsonConvert.SerializeObject(links));
}
return("[]");
}
String GetSiteMetaTags()
{
var host = Request.Headers["Host"];
if (host == null)
{
return(String.Empty);
}
Int32 dotPos = host.IndexOfAny(":".ToCharArray());
if (dotPos != -1)
{
host = host.Substring(0, dotPos);
}
host = host.Replace('.', '_').ToLowerInvariant();
String path = _host.MakeFullPath(false, "_meta/", $"{host}.head");
if (System.IO.File.Exists(path))
{
return(System.IO.File.ReadAllText(path));
}
return(String.Empty);
}
public static String AppStyleSheetsLink(this IApplicationHost host, String controllerName)
{
controllerName = controllerName ?? throw new ArgumentNullException(nameof(controllerName));
// TODO _host AssestsDistionary
var fp = host.MakeFullPath(false, "_assets", "");
if (!Directory.Exists(fp))
{
return(String.Empty);
}
foreach (var f in Directory.EnumerateFiles(fp, "*.css"))
{
// at least one file
return($"<link href=\"/{controllerName.ToLowerInvariant()}/appstyles\" rel=\"stylesheet\" />");
}
return(String.Empty);
}
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);
}
