public static List<PhotoDTO> ListOtherUserPhotos(long currentUserId, long otherUserId,long storyId, long albumId, int page, int size)
{
List<PhotoDTO> photoDTOs = new List<PhotoDTO>();
using (var db = new CF_FamsamEntities())
{
//query album
Album album = db.Story.Find(storyId).Album.Where<Album>(a => a.id == albumId).First();
if (album != null)
{
foreach (var photo in album.Photo)
{
PhotoDTO photoDTO = new PhotoDTO();
photoDTO.Id = photo.id;
photoDTO.AuthorFirstName = photo.Post.CreateUser.firstname;
photoDTO.AuthorLastName = photo.Post.CreateUser.lastname;
photoDTO.LastUpdate = photo.Post.lastUpdate;
photoDTO.Description = photo.Post.description;
photoDTO.ImageURL = photo.url;
photoDTO.BadQuality = photo.badQuality;
photoDTOs.Add(photoDTO);
}
}
}
return photoDTOs;
}
/// <summary>
/// List all photos
/// </summary>
/// <param name="userId">Id of user</param>
/// <param name="page"></param>
/// <param name="size"></param>
/// <returns>List of photos (0 item at least)</returns>
public static List<PhotoDTO> ListCurrentPhotos(long userId, int page, int size)
{
List<GeneralPost> photos = new List<GeneralPost>();
List<PhotoDTO> result = new List<PhotoDTO>();
using (var db = new CF_FamsamEntities())
{
var photoQuery = from p in db.GeneralPost
where p.postType == GeneralPost.PHOTO_POST_TYPE
orderby p.lastUpdate descending
select p;
photos = photoQuery.Skip((page - 1) * size)
.Take(size)
.ToList<GeneralPost>();
//to dto
foreach (GeneralPost photo in photos)
{
PhotoDTO photoDTO = new PhotoDTO();
photoDTO.Id = photo.Id;
photoDTO.AuthorFirstName = photo.CreateUser.firstname;
photoDTO.AuthorLastName = photo.CreateUser.lastname;
photoDTO.LastUpdate = photo.lastUpdate;
photoDTO.Description = photo.description;
photoDTO.ImageURL = photo.Photo.url;
photoDTO.BadQuality = photo.Photo.badQuality;
result.Add(photoDTO);
}
}
return result;
}
/// <summary>
/// List all photos by album
/// </summary>
/// <param name="userId">Id of user</param>
/// <param name="page"></param>
/// <param name="size"></param>
/// <param name="albumId"></param>
/// <returns>List of photos (0 item at least)</returns>
public static List<PhotoDTO> ListPhotosByAlbum(long userId, int page, int size, long albumId)
{
List<GeneralPost> photos = new List<GeneralPost>();
List<PhotoDTO> result = new List<PhotoDTO>();
using (var db = new CF_FamsamEntities())
{
var albumQuery = from p in db.GeneralPost
where p.postType == GeneralPost.ALBUM_POST_TYPE && p.Id == albumId
orderby p.lastUpdate descending
select p;
GeneralPost post = albumQuery.FirstOrDefault<GeneralPost>();
if (post == null) return result;
//to dto
foreach (Photo photo in post.Album.Photo)
{
PhotoDTO photoDTO = new PhotoDTO();
GeneralPost photoPost = photo.Post;
photoDTO.Id = post.Id;
photoDTO.AuthorFirstName = photoPost.CreateUser.firstname;
photoDTO.AuthorLastName = photoPost.CreateUser.lastname;
photoDTO.LastUpdate = photoPost.lastUpdate;
photoDTO.Description = photoPost.description;
photoDTO.ImageURL = photo.url;
photoDTO.BadQuality = photo.badQuality;
result.Add(photoDTO);
}
}
return result;
}
public static PhotoDTO GetPhoto(long photoId)
{
using (var db = new CF_FamsamEntities())
{
Photo photo = db.Photo.Find(photoId);
PhotoDTO photoDTO = new PhotoDTO();
photoDTO.Id = photo.id;
GeneralPost post = photo.Post;
User user = post.CreateUser;
photoDTO.AuthorId = user.id;
photoDTO.AuthorEmail = user.email;
photoDTO.LastUpdate = post.lastUpdate;
photoDTO.Description = post.description;
photoDTO.ImageURL = photo.url;
photoDTO.BadQuality = photo.badQuality;
photoDTO.tags = post.GetTagNameArray();
return photoDTO;
}
}
/// <summary>
/// Update photo
/// </summary>
/// <param name="photo"></param>
/// <returns></returns>
public static int EditDescription(PhotoDTO photoDTO)
{
using (var db = new CF_FamsamEntities())
{
Photo photo = db.Photo.Find(photoDTO.Id);
if (photo == null) return -1;
//update photo
DateTime lastUpdate = DateTime.Now;
photo.Post.lastUpdate = lastUpdate;
photo.Post.description = photoDTO.Description;
try
{
db.Entry(photo).State = EntityState.Modified;
db.SaveChanges();
return 1;
}
catch (Exception ex)
{
Debug.WriteLine("Exception on Edit photo description:" + ex.ToString());
}
}
return 0;
}
/// <summary>
/// Create a Photo entity of non-album.
/// </summary>
/// <param name="photoDTO"></param>
/// <returns>-1 if user not found</returns>
public static int AddPhoto(PhotoDTO photoDTO)
{
//get user
User user;
using (var db = new CF_FamsamEntities())
{
user = db.User.Find(photoDTO.AuthorId);
if (user == null)
{
return -1;
}
//create photo and post
DateTime lastUpdate = DateTime.Now;
Photo photo = new Photo();
photo.id = lastUpdate.Millisecond;
photo.url = photoDTO.ImageURL;
photo.badQuality = photoDTO.BadQuality;
GeneralPost post = new GeneralPost();
post.Id = photo.id;
post.postType = GeneralPost.PHOTO_POST_TYPE;
post.Photo = photo;
post.createUserId = user.id;
post.CreateUser = user;
post.lastUpdate = lastUpdate;
foreach (string tagname in photoDTO.tags)
{
Tag tag = db.Tag.Find(tagname);
if (tag == null)
{
tag = new Tag();
tag.name = tagname;
db.Tag.Add(tag);
}
post.Tag.Add(tag);
}
try { db.GeneralPost.Add(post); }
catch (Exception ex)
{
Debug.WriteLine("Exception on create photo: " + ex.ToString());
}
return 1;
}
}
