コード例 #1
0
        private void buildIndexTables(IEnumerable<ITag> originalRootTags, TagUserAuthorizations auths)
        {
            //Search for visible tags and authorized photos
            Dictionary<string, IPhoto> authorizedPhotos = new Dictionary<string, IPhoto>();
            List<ITag> authorizedTags = getAuthorizedTags(originalRootTags, auths).ToList();
            HashSet<ITag> visibleTags = new HashSet<ITag>();
            foreach (var tag in authorizedTags)
            {
                foreach (var photo in tag.Photos)
                {
                    //even not directly authorized tags can be traversed or can reference authorized photo.
                    //We register them, but not theirs photos.
                    photo.Tags
                        .ForEach(t => getTagsHierarchy(t)
                            .ForEach(t2 => visibleTags.Add(t2)));

                    //Register photos from a directly authorized tag.
                    authorizedPhotos[photo.Id] = photo;
                }
            }

            //root tags
            this.rootTags = (from rootTag in originalRootTags.Intersect(visibleTags)
                                select new InternalTag(rootTag, authorizedTags, visibleTags, null)).ToList();

            //tag index
            tags = new Dictionary<string, InternalTag>();
            foreach (var rootTag in rootTags)
            {
                tags[rootTag.Id] = rootTag;
                foreach(var subTag in rootTag.AllTags)
                    tags[subTag.Id] = subTag;
            }

            //Order photo in a timeline list.
            var tempTimeline = new List<IPhoto>(authorizedPhotos.Values);
            tempTimeline.Sort((p1, p2) => p2.Date.CompareTo(p1.Date));
            timelinePhotos = new LinkedList<IPhoto>(tempTimeline);

            //day index for timeline.
            photosByDays = new Dictionary<DateTime, LinkedListNode<IPhoto>>();
            for (var item = timelinePhotos.First; item != null; item = item.Next)
                if (item == timelinePhotos.First || item.Previous.Value.Date.Date != item.Value.Date.Date)
                    photosByDays[item.Value.Date.Date] = item;

            //photo ids index for timeline.
            photosByIds = new Dictionary<string, LinkedListNode<IPhoto>>();
            for (var item = timelinePhotos.First; item != null; item = item.Next)
                photosByIds[item.Value.Id] = item;
        }
コード例 #2
0
 private IEnumerable<ITag> getAuthorizedTags(IEnumerable<ITag> originalRootTags, TagUserAuthorizations auths)
 {
     return from tagId in auths.GetTags(user)
            select getTagById(originalRootTags, tagId);
 }
コード例 #3
0
 public UserPhotoLibrary(string user, IEnumerable<ITag> originalRootTags, TagUserAuthorizations auths)
 {
     this.user = user;
     buildIndexTables(originalRootTags, auths);
 }
コード例 #4
0
        private void initAuthorizations()
        {
            var allTags = getAllTags(rootTags).ToList();
            Func<string, bool> tagExists = (id) => allTags.Any(t => t.Id == id);

            var oldData = ConfigurationClient.Get<TagUserAuthorizations>(
                confNamespace, confTagUserAuthorizationsKey, null);

            tagUserAuthorizations = new TagUserAuthorizations(oldData, tagExists);

            //save it again : can be updated regarding current provider and available tags.
            saveAuthorizations();
        }