Task <IMessageForSend> ResolveMessageAsync(IDataModel dm)
{
var templateName = dm.Eval <String>("Message.Template");
var key = dm.Eval <String>("Message.Key");
var templatePath = _host.ApplicationReader.MakeFullPath(templateName, String.Empty);
var fullPath = Path.ChangeExtension(templatePath, "xaml");
var env = dm.Eval <List <ExpandoObject> >("Message.Environment");
var hostObj = new ExpandoObject();
hostObj.Set("Name", "Host");
hostObj.Set("Value", _host.AppHost);
env.Add(hostObj);
using (var stream = _host.ApplicationReader.FileStreamFullPath(fullPath)) {
var tml = XamlServices.Load(stream) as Template;
TemplatedMessage tm = tml.Get(key);
if (tm == null)
{
throw new MessagingException($"Message not found. Key = '{key}'");
}
var resolver = new MessageResolver(_host, _dbContext, dm);
return(tm.ResolveAndSendAsync(resolver));
}
}
public async Task <String> ResolveDataModelAsync(TemplatedMessage msg, String text)
{
if (text.IndexOf("{{") == -1)
{
return(text);
}
var dm = await msg.GetDataModelAsync(_dbContext, _msgParams);
return(dm.Root.Resolve(text));
}
public async Task <String> ResolveAsync(TemplatedMessage msg, String text)
{
if (text == null)
{
return(null);
}
var sb = new StringBuilder(text);
text = await ResolveDataModelAsync(msg, text);
text = ResolveEnvironment(text);
text = ResolveParameters(text);
return(text);
}
public Task <String> ResolveFileAsync(TemplatedMessage msg, String fileName)
{
if (String.IsNullOrEmpty(fileName))
{
return(null);
}
String fileText = _host.ApplicationReader.ReadTextFile(fileName, String.Empty);
if (fileText == null)
{
throw new MessagingException($"File not found '{fileName}'");
}
return(ResolveAsync(msg, fileText));
}
public async Task <Stream> ResolveReportAsync(TemplatedMessage msg, MessageReport rep)
{
if (rep == null)
{
return(null);
}
_reportHelper.SetupLicense();
var dm = await msg.GetDataModelAsync(_dbContext, _msgParams);
// get report source
using (Stream input = await ResolveStreamStringAsync(msg, rep.Report))
{
if (input == null)
{
throw new MessagingException($"ReportStream not found ({rep.Report}).");
}
// get report datamodel
IDataModel repDataModel = null;
if (rep.Model != null)
{
var repPrms = new ExpandoObject();
if (rep.Model.Parameters != null)
{
foreach (var p in rep.Model.Parameters)
{
repPrms.Set(p.Key, await ResolveAsync(msg, p.Value?.Value));
}
}
repDataModel = await _dbContext.LoadModelAsync(rep.Model.Source, $"[{rep.Model.Schema}].[{rep.Model.Model}.Report]", repPrms);
}
var ms = new MemoryStream();
var repName = await _reportHelper.ExportDocumentAsync(input, repDataModel, ms);
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
}
public async Task <Stream> ResolveStreamAsync(TemplatedMessage msg, String text)
{
if (text == null)
{
return(null);
}
if (text.StartsWith("`"))
{
text = text.Substring(1);
}
if (text.IndexOf("{{") == -1)
{
return(null);
}
var dm = await msg.GetDataModelAsync(_dbContext, _msgParams);
var bytes = dm.Root.Eval <Byte[]>(text.Substring(2, text.Length - 4));
if (bytes == null || bytes.Length == 0)
{
return(null);
}
return(new MemoryStream(bytes));
}
public async Task <Stream> ResolveStreamStringAsync(TemplatedMessage msg, String text)
{
if (text == null)
{
return(null);
}
if (text.StartsWith("`"))
{
text = text.Substring(1);
}
if (text.IndexOf("{{") == -1)
{
return(null);
}
var dm = await msg.GetDataModelAsync(_dbContext, _msgParams);
var data = dm.Root.Eval <String>(text.Substring(2, text.Length - 4));
if (String.IsNullOrEmpty(data))
{
return(null);
}
return(new MemoryStream(Encoding.UTF8.GetBytes(data)));
}
