A view component

Yavsc/ApiControllers/PdfEstimateController.cs

@@ -1,19 +1,66 @@
-using System;
 using System.IO;
-using System.Security.Claims;
 using Microsoft.AspNet.Authorization;
 using Microsoft.AspNet.Mvc;
+using System.Threading.Tasks;
+using System.Web.Routing;
+using Microsoft.AspNet.Mvc.ViewComponents;
+using Microsoft.AspNet.Razor;
 
 namespace Yavsc.ApiControllers
 {
+    using Models;
+
     [Route("api/pdfestimate"), Authorize]
     public class PdfEstimateController : Controller
     {
-        [HttpGet("{id}", Name = "Get")]
+        ApplicationDbContext dbContext;
+        DefaultViewComponentHelper helper;
+        IViewComponentDescriptorCollectionProvider provider;
+        IViewComponentInvokerFactory factory;
+        RazorEngineHost host;
+        RazorTemplateEngine engine;
+        IViewComponentSelector selector;
+
+
+        public PdfEstimateController(
+            IViewComponentDescriptorCollectionProvider provider,
+            IViewComponentSelector selector,
+        IViewComponentInvokerFactory factory,
+         ApplicationDbContext context)
+        {
+            
+            this.selector = selector;
+            this.provider = provider;
+            this.factory = factory;
+            helper = new DefaultViewComponentHelper(provider, selector, factory);
+            dbContext = context;
+
+            var language = new CSharpRazorCodeLanguage();
+            host = new RazorEngineHost(language)
+            {
+                DefaultBaseClass = "RazorPage",
+                DefaultClassName = "Estimate",
+                DefaultNamespace = "Yavsc",
+            };
+
+            // Everyone needs the System namespace, right?
+            host.NamespaceImports.Add("System");
+            engine = new RazorTemplateEngine(host);
+
+            
+            /*
+            GeneratorResults razorResult =
+   engine.GenerateCode(
+
+   ) */
+        }
+
+
+        [HttpGet("get/{id}", Name = "Get"), Authorize]
         public IActionResult Get(long id)
         {
             var filename = $"estimate-{id}.pdf";
-            
+
             var cd = new System.Net.Mime.ContentDisposition
             {
                 // for example foo.bak
@@ -23,15 +70,43 @@ namespace Yavsc.ApiControllers
                 // the browser to try to show the file inline
                 Inline = false,
             };
-            
-            FileInfo fi = new FileInfo(Path.Combine(Startup.UserBillsDirName,filename));
-           
-            FileStreamResult result = null;
-            var s = fi.OpenRead();
-            
-            result = File(s,"application/x-pdf",filename);
-            
-            return result;
+
+            FileInfo fi = new FileInfo(Path.Combine(Startup.UserBillsDirName, filename));
+            if (!fi.Exists) return Ok(new { Error = "Not generated" });
+            return File(fi.OpenRead(), "application/x-pdf", filename); ;
+        }
+
+        [HttpGet("GetComponents", Name = "GetComponents")]
+        public IActionResult GetComponents()
+        {
+            return Ok(provider);
+        }
+
+        [HttpGet("estimate-{id}.tex", Name = "GetTex"), Authorize]
+        public IActionResult GetTex(long id)
+        {
+            Response.ContentType = "text/x-tex";
+
+            return ViewComponent("Estimate",new object[] { id, false });
+        }
+
+        [HttpGet("gen/{id}")]
+        public async Task<IActionResult> GeneratePdf(long id)
+        {
+             /*
+
+             using (TextWriter wr = new StringWriter()) {
+             ViewComponentContext ctx = new ViewComponentContext(
+                 selector.SelectComponent("Estimate"), new object[]{id}, 
+                 new ViewContext(),
+                 wr
+             );
+
+             }
+
+             */
+
+            return ViewComponent("Estimate",new object[] { id, true } );
         }
     }
 }