Beispiel #1
0
        public async Task <(IEnumerable <StoredItemInfo>, int)> ListRepositoryAsync(string repo,
                                                                                    string passphrase,
                                                                                    int offset,
                                                                                    int limit,
                                                                                    string[] tags,
                                                                                    Func <StoredItemInfo, bool> predicate)
        {
            var ids = await driver.ListRepositoryItemIds(repo);

            List <StoredItemInfo> items = new();

            foreach (var id in ids)
            {
                var meta = await GetItemMetadata(repo, passphrase, id);

                var tagMatchScore = 1;
                if (!tags.IsNullOrEmpty())
                {
                    var storedTags = meta.Tags ?? Array.Empty <string>();

                    tagMatchScore = storedTags.Intersect(tags, StringComparer.InvariantCultureIgnoreCase).Count();
                }

                if (tagMatchScore == 0)
                {
                    continue;
                }

                var info = new StoredItemInfo
                {
                    ItemId           = id,
                    MimeType         = meta.MimeType,
                    Name             = meta.Name,
                    OriginalFileName = meta.OriginalFilename,
                    Tags             = meta.Tags,
                    TagMatchScore    = tagMatchScore
                };

                if (predicate != null && !predicate(info))
                {
                    continue;
                }

                items.Add(info);
            }
            items = items.OrderByDescending(i => i.TagMatchScore).ToList();
            var ret = items.Skip(offset).Take(limit);

            return(ret, items.Count);
        }