public async Task <PagedResultDTO <PostDTO> > GetPageAsync(int id, int page, int pageSize, bool justMyPosts, string srchStr = null)
{
var pagedResult = await _db.Posts.GetPageAsync(id, page, pageSize, justMyPosts, srchStr);
pagedResult.Data.ForEach(p =>
p.PostFiles = p.PostFiles.Count > 0 ?
new List <PostFile>()
{
p.PostFiles.First()
}
: new List <PostFile>()
);
Func <Post, PostDTO> func = post =>
{
var postDTO = PostMapper.ConvertToPostDTO(post);
postDTO.Files = FileMapper.ConvertToFileInfoDTOCollection(post.PostFiles);
postDTO.UserDTO = UserMapper.ConvertToUserDTO(post.User);
postDTO.CommentsDTO = CommentMapper.ConvertToCommentDTOCollection(post.Comments);
var usersDTOLikes = new List <UserDTO>();
post.PostLikes.ToList().ForEach(pl =>
{
var userDTO = UserMapper.ConvertToUserDTO(pl.User);
userDTO.RoleDTO = RoleMapper.ConvertToRoleDTO(pl.User.Role);
usersDTOLikes.Add(userDTO);
});
postDTO.UsersLikes = usersDTOLikes;
return(postDTO);
};
var pageResultDTO = PagedResultMapper.MapToDTO(pagedResult, func);
return(pageResultDTO);
}
public async Task <IEnumerable <CommentDTO> > FindValidAsync(Expression <Func <Comment, bool> > predicate)
{
return((await _db.Comments.FindValidAsync(predicate)).Select(c =>
{
CommentDTO commentDTO = CommentMapper.ConvertToCommentDTO(c);
commentDTO.UserDTO = UserMapper.ConvertToUserDTO(c.User);
return commentDTO;
}));
}
public async Task <CommentDTO> GetCommentAsync(int id)
{
var comment = await _db.Comments.GetAsync(id);
var commentDTO = CommentMapper.ConvertToCommentDTO(comment);
commentDTO.UserDTO = UserMapper.ConvertToUserDTO(comment.User);
return(commentDTO);
}
public async Task <List <UserDTO> > GetUsersLikes(int postId)
{
var users = await db.UsersLikes.GetUsersLikesForPost(postId);
var usersDTO = users.Select(u =>
{
var userDTO = UserMapper.ConvertToUserDTO(u);
userDTO.RoleDTO = RoleMapper.ConvertToRoleDTO(u.Role);
return(userDTO);
});
return(usersDTO.ToList());
}
public async Task <IEnumerable <CommentDTO> > GetCommentsByPostAsync(int postId)
{
var comments = await _db.Comments.GetAllByPost(postId);
var commentsDTO = comments.Select(c =>
{
var commentDTO = CommentMapper.ConvertToCommentDTO(c);
commentDTO.UserDTO = UserMapper.ConvertToUserDTO(c.User);
return(commentDTO);
});
return(commentsDTO);
}
public async Task <IEnumerable <CommentDTO> > GetCommentsAsync()
{
var comments = await _db.Comments.GetAllValidAsync();
var commentsDTO = comments.Select(u =>
{
var commentDTO = CommentMapper.ConvertToCommentDTO(u);
commentDTO.UserDTO = UserMapper.ConvertToUserDTO(u.User);
return(commentDTO);
});
return(commentsDTO);
}
public async Task <PostDTO> GetAsync(int id)
{
var post = await _db.Posts.GetAsync(id);
if (post == null)
{
throw new NotFoundException("Post is not found!");
}
var postDTO = PostMapper.ConvertToPostDTO(post);
postDTO.UserDTO = UserMapper.ConvertToUserDTO(post.User);
postDTO.UserDTO.RoleDTO = RoleMapper.ConvertToRoleDTO(post.User.Role);
return(postDTO);
}
public async Task <PostDTO> Update(int postId, EditPostDTO editPost)
{
if (editPost.EndDate <= editPost.StartDate)
{
throw new InvalidOperationException("EndDateTime should be greater than StartDateTime");
}
var currentUser = _userContext.CurrentUser;
if (currentUser.RoleId != (int)Roles.Moderator)
{
var defaultEndDateTime = _postDefaultValuesOptions.Value.DisplayPeriodInDaysForUsers;
editPost.EndDate = editPost.StartDate.AddDays(defaultEndDateTime);
}
var oldEntity = await _db.Posts.GetAsync(postId);
if (oldEntity == null)
{
throw new InvalidOperationException($"Post by id: {postId} not found.");
}
if (oldEntity.Priority == PostPriority.Normal && editPost.Priority != oldEntity.Priority && currentUser.RoleId != Role.ModeratorRoleId)
{
throw new InvalidOperationException("This user has no rights to set high priority for the post");
}
oldEntity.Title = editPost.Title;
oldEntity.Content = editPost.Content;
oldEntity.DurationInSeconds = editPost.DurationInSeconds;
oldEntity.VideoUrl = editPost.VideoUrl;
oldEntity.ModifiedByUserId = _userContext.CurrentUser.Id;
oldEntity.ModifiedDate = DateTime.Now;
oldEntity.Priority = editPost.Priority;
oldEntity.StartDateTime = editPost.StartDate;
oldEntity.EndDateTime = editPost.EndDate;
if (currentUser.RoleDTO.Name == "User" && oldEntity.IsPublic)
{
oldEntity.IsPublic = false;
}
var newFiles = FileMapper.ConvertToPostFileCollection(editPost.Files);
var filesToRemove = (await _fileService.GetFilesForPost(oldEntity.Id))
.Where(oldfile => !newFiles.Exists(newFile => newFile.File.Id == oldfile.Id)).ToList();
foreach (var file in filesToRemove)
{
await _fileService.DeleteAsync(file.Id);
}
oldEntity.PostFiles = newFiles;
var updatedPost = await _db.Posts.Update(oldEntity);
await _db.SaveAsync();
var updatedPostDTO = PostMapper.ConvertToPostDTO(updatedPost);
updatedPostDTO.UserDTO = UserMapper.ConvertToUserDTO(updatedPost.User);
return(updatedPostDTO);
}
