81 lines
2.3 KiB
C#
81 lines
2.3 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.EntityFrameworkCore;
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using Start.Server.Data.Services.Interfaces;
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using Start.Server.Models;
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namespace Start.Server.Data.Services {
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public class BookmarkService : IBookmarkService {
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private readonly ApplicationDbContext db;
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public BookmarkService(ApplicationDbContext dbContext) {
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this.db = dbContext;
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}
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public async Task<Bookmark?> GetBookmark(string userId, int bookmarkId) {
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if (!BookmarkOwnershipTools.IsBookmarkOwner(this.db, userId, bookmarkId))
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return null;
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return await this.db.Bookmarks
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.SingleOrDefaultAsync(b => b.BookmarkId == bookmarkId);
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}
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public async Task<IList<Bookmark>> GetUserBookmarks(string userId) {
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return await this.db.Bookmarks
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.Where(b => b.BookmarkGroup!.BookmarkContainer!.ApplicationUserId == userId)
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.ToListAsync();
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}
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public async Task<Bookmark?> CreateBookmark(string userId, string title, string url,
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string? notes, int sortOrder, int bookmarkGroupId) {
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if (!BookmarkOwnershipTools.IsBookmarkGroupOwner(this.db, userId, bookmarkGroupId))
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return null;
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Bookmark newBookmark = new(title, url, notes, sortOrder, bookmarkGroupId);
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await db.Bookmarks.AddAsync(newBookmark);
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await db.SaveChangesAsync();
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if (newBookmark.BookmarkId <= 0)
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return null;
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return newBookmark;
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}
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public async Task<Bookmark?> UpdateBookmark(string userId, Bookmark bookmark) {
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Bookmark? existingBookmark = db.Bookmarks
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.SingleOrDefault(b => b.BookmarkId == bookmark.BookmarkId);
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if (!BookmarkOwnershipTools.IsBookmarkOwner(this.db, userId, bookmark.BookmarkId))
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return null;
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// Could be moving to a different group
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if (!BookmarkOwnershipTools
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.IsBookmarkGroupOwner(this.db, userId, bookmark.BookmarkGroupId))
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return null;
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db.Entry(bookmark).State = EntityState.Modified;
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await db.SaveChangesAsync();
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return bookmark;
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}
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public async Task<bool> DeleteBookmark(string userId, int bookmarkId) {
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Bookmark? bookmark = db.Bookmarks
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.SingleOrDefault(b => b.BookmarkId == bookmarkId);
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if (bookmark == null)
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return false;
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if (!BookmarkOwnershipTools.IsBookmarkOwner(this.db, userId, bookmarkId))
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return false;
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db.Bookmarks.Remove(bookmark);
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await db.SaveChangesAsync();
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return true;
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}
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}
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}
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