API for deleting documents

Controllers/DocumentController.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using System.IO;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Snootalogue.Models;
@@ -30,5 +31,21 @@ namespace Snootalogue.Controllers {
 
 			return document;
 		}
+
+		[HttpDelete("{id}")]
+		public async Task<ActionResult<bool>> DeleteDocument(string id) {
+			var document = await _context.Document.FindAsync(id);
+			if (document == null) {
+				return NotFound();
+			}
+
+			var uploadDirectory = Path.Combine("wwwroot", "Content");
+			var destination = Path.Combine(uploadDirectory, $"{id}.pdf");
+			System.IO.File.Delete(destination);
+
+			_context.Remove(document);
+			await _context.SaveChangesAsync();
+			return true;
+		}
 	}
 }

Pages/Upload.cshtml.cs

@@ -34,7 +34,7 @@ namespace Snootalogue.Pages {
 
 			var id = Document.NewID(_context);
 			// var uploadDirectory = Path.Combine(filename);
-			var uploadDirectory = "wwwroot/Content";
+			var uploadDirectory = Path.Combine("wwwroot", "Content");
 			var destination = Path.Combine(uploadDirectory, $"{id}.pdf");
 
 			using (var fs = new FileStream(destination, FileMode.Create)) {