Use DTOs in controller

Start/Server/Controllers/BookmarksController.cs

@@ -1,9 +1,11 @@
 using System.Collections.Generic;
+using System.Linq;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Start.Server.Data.Services.Interfaces;
 using Start.Server.Extensions;
 using Start.Server.Models;
+using Start.Shared;
 
 namespace Start.Server.Controllers {
 	[Authorize]
@@ -26,24 +28,43 @@ namespace Start.Server.Controllers {
 		}
 
 		[HttpGet]
-		public IList<BookmarkContainer> GetAllBookmarkContainers() {
-			return this.bookmarkContainerService.GetUserBookmarkContainers(this.userId);
+		public IList<BookmarkContainerDto> GetAllBookmarkContainers() {
+			return this.bookmarkContainerService.GetUserBookmarkContainers(this.userId)
+				.Select(bc => bc.MapToDto())
+				.ToList();
 		}
 
 		[HttpGet]
-		public (BookmarkStatus, BookmarkContainer?) GetBookmarkContainer(int bookmarkContainerId) {
-			return this.bookmarkContainerService.GetBookmarkContainer(this.userId, bookmarkContainerId, true, true);
+		public (BookmarkStatus, BookmarkContainerDto?) GetBookmarkContainer(int bookmarkContainerId) {
+			(BookmarkStatus status, BookmarkContainer? container) = this.bookmarkContainerService
+				.GetBookmarkContainer(this.userId, bookmarkContainerId, true, true);
+
+			return (status, container?.MapToDto());
 		}
 
 		[HttpGet]
-		public (BookmarkStatus, Bookmark?) GetBookmark(int bookmarkId) {
-			return this.bookmarkService.GetBookmark(this.userId, bookmarkId);
+		public (BookmarkStatus, BookmarkDto?) GetBookmark(int bookmarkId) {
+			(BookmarkStatus status, Bookmark? bookmark) = this.bookmarkService
+				.GetBookmark(this.userId, bookmarkId);
+
+			return (status, bookmark?.MapToDto());
 		}
 
 		[HttpPost]
-		public (BookmarkStatus, Bookmark?) CreateBookmark(string title, string url, string? notes,
+		public (BookmarkStatus, BookmarkDto?) CreateBookmark(string title, string url, string? notes,
 			int bookmarkGroupId) {
-			return this.bookmarkService.CreateBookmark(this.userId, title, url, notes, bookmarkGroupId);
+			(BookmarkStatus status, Bookmark? bookmark) = this.bookmarkService
+				.CreateBookmark(this.userId, title, url, notes, bookmarkGroupId);
+
+			return (status, bookmark?.MapToDto());
+		}
+
+		[HttpPost]
+		public (BookmarkStatus, BookmarkContainerDto?) CreateBookmarkContainer(string title) {
+			(BookmarkStatus status, BookmarkContainer? container) = this
+				.bookmarkContainerService.CreateBookmarkContainer(this.userId, title);
+
+			return (status, container?.MapToDto());
 		}
 	}
 }

Start/Server/Extensions/BookmarkMaps.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Linq;
+using Start.Server.Models;
+using Start.Shared;
+
+namespace Start.Server.Extensions {
+	public static class BookmarkMaps {
+		public static BookmarkDto MapToDto(this Bookmark bookmark) {
+			return new BookmarkDto(bookmark.BookmarkId, bookmark.Title, bookmark.Url,
+				bookmark.Notes);
+		}
+
+		public static BookmarkGroupDto MapToDto(this BookmarkGroup bookmarkGroup) {
+			return new BookmarkGroupDto(bookmarkGroup.BookmarkGroupId, bookmarkGroup.Title,
+				bookmarkGroup.Color, bookmarkGroup.Bookmarks?.Select(b => b.MapToDto()).ToList());
+		}
+
+		public static BookmarkContainerDto MapToDto(this BookmarkContainer bookmarkContainer) {
+			return new BookmarkContainerDto(bookmarkContainer.BookmarkContainerId,
+				bookmarkContainer.Title,
+				bookmarkContainer.BookmarkGroups?.Select(bg => bg.MapToDto()).ToList());
+		}
+	}
+}

Start/Shared/BookmarkContainerDto.cs

@@ -19,7 +19,7 @@ namespace Start.Shared {
 		}
 
 		public BookmarkContainerDto(int bookmarkContainerId, string title,
-			IList<BookmarkGroupDto> bookmarkGroups) : this(bookmarkContainerId, title) {
+			IList<BookmarkGroupDto>? bookmarkGroups) : this(bookmarkContainerId, title) {
 			this.BookmarkGroups = bookmarkGroups;
 		}
 	}

Start/Shared/BookmarkGroupDto.cs

@@ -23,7 +23,7 @@ namespace Start.Shared {
 		}
 
 		public BookmarkGroupDto(int bookmarkGroupId, string title, string color,
-			IList<BookmarkDto> bookmarks) : this(bookmarkGroupId, title, color) {
+			IList<BookmarkDto>? bookmarks) : this(bookmarkGroupId, title, color) {
 			this.Bookmarks = bookmarks;
 		}
 	}

Start/Shared/BookmarkStatus.cs

@@ -1,5 +1,5 @@
 using System;
-namespace Start.Server.Data.Services.Interfaces {
+namespace Start.Shared {
 	public enum BookmarkStatus {
 		OK = 1,
 		BookmarkDoesNotExist = 2,