server/AyaNova/Controllers/ReportController.cs

@@ -1,5 +1,6 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
+using System.IO;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Routing;
 using Microsoft.AspNetCore.Authorization;
@@ -8,6 +9,7 @@ using AyaNova.Models;
 using AyaNova.Api.ControllerHelpers;
 using AyaNova.Biz;
 using AyaNova.Util;
+
 using PuppeteerSharp;
 
 namespace AyaNova.Api.Controllers
@@ -79,16 +81,16 @@ namespace AyaNova.Api.Controllers
             if (!serverState.IsOpen)
                 return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
 
-            // byte[] buffer = readfromdatabase();
-            // return new FileContentResult(buffer, "text/html");
+            var ReportJSFolderPath = Path.Combine(ServerBootConfig.AYANOVA_CONTENT_ROOT_PATH, "resource", "reportjs");
+            if (!Directory.Exists(ReportJSFolderPath))
+                throw new System.Exception($"E1012: \"reportjs\" folder not found where expected: \"{ReportJSFolderPath}\", installation damaged?");
 
 
+            var hbspath = Path.Combine(ReportJSFolderPath, "ayhandlebars.js");
+            if (!System.IO.File.Exists(hbspath))
+                throw new System.Exception($"E1012: \"ayhandlebars.js\" file not found where expected: \"{hbspath}\", installation damaged?");
 
-            //first test, just render a web page to pdf and return it
-            //return PhysicalFile(filePath, mimetype, dbObject.DisplayFileName);
 
-            //http://www.puppeteersharp.com/api/index.html
-            //https://github.com/hardkoded/puppeteer-sharp
             await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
 
             //sample CSS
@@ -101,15 +103,29 @@ namespace AyaNova.Api.Controllers
             margin: 2cm;
             }";
 
-            //sample HTML
-            var templateHtml = "<div><h1>Hello world!</h1></div>";
+            //sample template
+            var templateHtml = "<div>{{#with person}}{{firstname}} {{lastname}}{{/with}}</div>";
+
+            //data object
+            var jsonData = "{person: {firstname: \"Yehuda\",lastname: \"Katz\",}}";
+
+
             using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }))
             using (var page = await browser.NewPageAsync())
             {
+                //Add handlebars JS for compiling and presenting
+                await page.AddScriptTagAsync(new AddTagOptions() { Path = hbspath});
 
                 await page.AddStyleTagAsync(new AddTagOptions { Content = templateCSS });
                 await page.SetContentAsync(templateHtml);
 
+                //compile into function
+
+                //get result by running hb function against data
+
+                //open page with result
+
+                //pdf-ize and return
                 var pdfBuffer = await page.PdfDataAsync();
                 return new FileContentResult(pdfBuffer, "application/pdf");