Added /resources REST Endpoints

ln.templates.service/HttpTemplateEndpoints.cs

@@ -96,6 +96,42 @@ namespace ln.templates.service
             
             return HttpResponse.InternalServerError();
         }
+
+        [Map(HttpMethod.GET, "/resources$")]
+        public HttpResponse GetResources()
+        {
+            JSONArray templates = JSONMapper.DefaultMapper.ToJson(_templateService.ListResources()) as JSONArray;
+            return HttpResponse.OK().Content(templates);
+        }
         
+        [Map(HttpMethod.GET, "/resources/(?<resourcePath>.*)$")]
+        public HttpResponse GetResourceFile(
+            [HttpArgumentSource(HttpArgumentSource.PARAMETER)]string resourcePath
+        )
+        {
+            var resourceStream = _templateService.GetResource(resourcePath);
+            if (resourceStream)
+                return HttpResponse.OK().Content(resourceStream.Value);
+            if (resourceStream.Is(out FileNotFoundException e))
+                return HttpResponse.NotFound().Content(e.FileName);
+            
+            return HttpResponse.InternalServerError();
+        }
+
+        [Map(HttpMethod.POST, "/resources/(?<resourcePath>.*)$")]
+        public HttpResponse PostResourceFile(
+            [HttpArgumentSource(HttpArgumentSource.PARAMETER)]string resourcePath,
+            [HttpArgumentSource(HttpArgumentSource.CONTENT)]Stream postContent
+        )
+        {
+            var result = _templateService.StoreResource(resourcePath, postContent);
+            if (result)
+                return HttpResponse.NoContent();
+            if (result.Is(out FileNotFoundException e))
+                return HttpResponse.NotFound().Content(e.FileName);
+            
+            return HttpResponse.InternalServerError().Content(e.ToString());
+        }
+
     }
 }

ln.templates.service/README.md

@@ -0,0 +1,8 @@
+# ln.templates.service
+
+command line arguments:
+
+    -s <storagepath>        default: "./storage"
+    -p <port>               default: 8890
+
+Please see [api.REST.md](api.REST.md) for list of HTTP REST endpoints.

ln.templates.service/TemplateService.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using Jint.Native.Object;
+using ln.bootstrap;
 using ln.patterns;
 using ln.templates.service.render;
 
@@ -19,6 +20,7 @@ namespace ln.templates.service
             Initialize();
 
             Resolver = new RecursiveResolver(Path.Combine(StoragePath, "templates"));
+            TempFileStream.DefaultPath = Path.Combine(StoragePath, "tmp");
         }
 
         private void Initialize()
@@ -26,7 +28,7 @@ namespace ln.templates.service
             EnsureDirectory("");
             EnsureDirectory("templates");
             EnsureDirectory("resources");
-            EnsureDirectory("spool");
+            EnsureDirectory("tmp");
             EnsureDirectory("out");
         }
 
@@ -119,6 +121,32 @@ namespace ln.templates.service
 
             return templateFileNames.ToArray();
         }
+        
+        public String[] ListResources()
+        {
+            List<string> resourceFileNames = new List<string>();
+            Queue<string> subdirs = new Queue<string>();
+            string resourcePath = Path.Combine(StoragePath, "resources");
+            
+            subdirs.Enqueue(resourcePath);
+            while (subdirs.Count > 0)
+            {
+                string currentSubDir = subdirs.Dequeue();
+                
+                foreach (var file in Directory.GetFiles(currentSubDir))
+                {
+                    resourceFileNames.Add(Path.GetRelativePath(resourcePath, file));
+                }
+
+                foreach (var directory in Directory.GetDirectories(currentSubDir))
+                {
+                    subdirs.Enqueue(directory);
+                }
+            }
+
+            return resourceFileNames.ToArray();
+        }
+        
 
         public bool RenderTemplate(string templatePath, ObjectInstance o, out Stream templateStream)
             => RenderTemplate(templatePath, o).TryGetValue(out templateStream);
@@ -182,5 +210,41 @@ namespace ln.templates.service
             );
         }
 
+        public Optional<Stream> GetResource(string resourcePath)
+        {
+            string finalPath = Path.GetFullPath(Path.Combine(StoragePath, "resources", resourcePath));
+            if (finalPath.StartsWith(StoragePath))
+                return new FileStream(finalPath, FileMode.Open, FileAccess.Read);
+
+            return new FileNotFoundException("", resourcePath);
+        }
+
+        public Optional<bool> StoreResource(string resourcePath, Stream resourceStream)
+        {
+            string finalPath = Path.GetFullPath(Path.Combine(StoragePath, "resources", resourcePath));
+            if (finalPath.StartsWith(StoragePath))
+            {
+                string finalDirectory = Path.GetDirectoryName(finalPath);
+                if (!Directory.Exists(finalDirectory))
+                {
+                    Span<string> finalDirectoryParts = Path.GetRelativePath(StoragePath,finalDirectory).Split(Path.DirectorySeparatorChar);
+                    string currentPath = StoragePath;
+                    for (int n = 0; n < finalDirectoryParts.Length; n++)
+                    {
+                        currentPath = Path.Combine(currentPath, finalDirectoryParts[n]);
+                        if (!Directory.Exists(currentPath))
+                            Directory.CreateDirectory(currentPath);
+                    }
+                }
+
+                using (FileStream fs = new FileStream(finalPath, FileMode.Create))
+                    resourceStream.CopyTo(fs);
+                
+                return true;
+            }
+
+            return new ArgumentOutOfRangeException("path","illegal path to resource file");
+        }
+        
     }
 }

ln.templates.service/api.REST.md

@@ -22,3 +22,9 @@ Optional JSON object may be posted to be used as globals for this rendering.
 Renders the template identified by <template-path-and-filename> which must end in .html to PDF
 Optional JSON object may be posted to be used as globals for this rendering.
 
+### GET /resources
+Retrieve JSON list of all resource files available
+
+### GET, POST /resources/<resource-path-and-filename>
+Retrieve or store resource file within resources path used for providing css etc.
+

ln.templates.service/ln.templates.service.csproj

@@ -12,7 +12,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="ln.bootstrap" Version="1.5.0-preview0" />
+      <PackageReference Include="ln.bootstrap" Version="1.5.0-preview1" />
       <PackageReference Include="ln.http" Version="0.9.7-test0" />
       <PackageReference Include="ln.json" Version="1.2.4" />
       <PackageReference Include="ln.patterns" Version="0.1.0-preview6" />