serier och taggar

Server/Business/Services/DatabaseService.cs

@@ -51,5 +51,59 @@ namespace Bibblan.Business.Services
             return conn.Query<AuthorVm>(query).Take(count).ToList();
 
         }
+
+        internal List<SeriesVm> GetSeries(int count, BookFilter? filter)
+        {
+            var query = @"select s.id as seriesid, s.name as seriesname, b.*, a.* 
+                --b.id as bookid, b.title, b.pubdate, b.series_index, 
+                --a.id as authorid, a.name as authorname 
+                from series s
+                inner join books_series_link bsl on s.id = bsl.series
+                inner join books b on bsl.book = b.id
+                inner join books_authors_link bal on b.id = bal.book 
+                inner join authors a on bal.author = a.id";
+            if (!String.IsNullOrWhiteSpace(filter?.Query))
+            {
+                filter.Query = filter.Query?.ToLowerInvariant().Trim() ?? "";
+                query += $" where lower(s.name) like '%{filter.Query}%'";
+            }
+            var conn = new NpgsqlConnection(settings.BibblanConnection);
+            var lookup = new Dictionary<long, SeriesVm>();
+            conn.Query<SeriesVm, Books, Authors, SeriesVm>(query, (s,b,a) =>
+            {
+                SeriesVm svm;
+                if (!lookup.TryGetValue(s.Id, out svm))
+                {
+                    lookup.Add(s.Id, svm = s);
+                }
+                svm.Books.Add(new ListBook
+                {
+                    AuthorId = a.Id,
+                    AuthorName = a.Name,
+                    Id = b.Id,
+                    PubDate = b.Pubdate,
+                    SeriesIndex = b.SeriesIndex,
+                    Title = b.Title
+                    
+                });
+                return svm;
+            }, splitOn: "id").Take(count).ToList();
+            return lookup.Values.AsList();
+        }
+
+        internal List<Tag> GetTags(BookFilter? filter)
+        {
+            var query = @"select t.id, t.name, count(btl.*) as bookcount from tags t
+                inner join books_tags_link btl on t.id = btl.tag 
+                group by t.id, t.name
+                order by bookcount desc";
+            if (!String.IsNullOrWhiteSpace(filter?.Query))
+            {
+                filter.Query = filter.Query.ToLowerInvariant();
+                query += $" having lower(name) like '%{filter.Query}%'";
+            }
+            var conn = new NpgsqlConnection(settings.BibblanConnection);
+            return conn.Query<Tag>(query).ToList();
+        }
     }
 }