1 files changed, 76 insertions, 0 deletions
diff --git a/src/database/include/song.hpp b/src/database/include/song.hpp
new file mode 100644
index 00000000..79b2160a
--- /dev/null
+++ b/src/database/include/song.hpp
@@ -0,0 +1,76 @@
+#pragma once
+
+#include <stdint.h>
+#include <cstdint>
+#include <optional>
+#include <string>
+
+#include "leveldb/db.h"
+#include "span.hpp"
+
+namespace database {
+
+typedef uint32_t SongId;
+
+enum Encoding { ENC_UNSUPPORTED, ENC_MP3 };
+
+struct SongTags {
+  Encoding encoding;
+  std::optional<std::string> title;
+  std::optional<std::string> artist;
+  std::optional<std::string> album;
+  auto Hash() const -> uint64_t;
+};
+
+auto ReadAndParseTags(const std::string& path, SongTags* out) -> bool;
+
+class SongData {
+ private:
+  const SongId id_;
+  const std::string filepath_;
+  const uint64_t tags_hash_;
+  const uint32_t play_count_;
+  const bool is_tombstoned_;
+
+ public:
+  SongData(SongId id, const std::string& path, uint64_t hash)
+      : id_(id),
+        filepath_(path),
+        tags_hash_(hash),
+        play_count_(0),
+        is_tombstoned_(false) {}
+  SongData(SongId id,
+           const std::string& path,
+           uint64_t hash,
+           uint32_t play_count,
+           bool is_tombstoned)
+      : id_(id),
+        filepath_(path),
+        tags_hash_(hash),
+        play_count_(play_count),
+        is_tombstoned_(is_tombstoned) {}
+
+  auto id() const -> SongId { return id_; }
+  auto filepath() const -> std::string { return filepath_; }
+  auto play_count() const -> uint32_t { return play_count_; }
+  auto tags_hash() const -> uint64_t { return tags_hash_; }
+  auto is_tombstoned() const -> bool { return is_tombstoned_; }
+
+  auto UpdateHash(uint64_t new_hash) const -> SongData;
+  auto Entomb() const -> SongData;
+  auto Exhume(const std::string& new_path) const -> SongData;
+};
+
+class Song {
+ public:
+  Song(SongData data, SongTags tags) : data_(data), tags_(tags) {}
+
+  auto data() -> const SongData& { return data_; }
+  auto tags() -> const SongTags& { return tags_; }
+
+ private:
+  const SongData data_;
+  const SongTags tags_;
+};
+
+}  // namespace database