From 1573a8c4cde1cd9528b422b2dcc598e37ffe94a7 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Thu, 2 May 2024 19:12:26 +1000
Subject: WIP merge cyclically dependent components into one big component

---
 src/database/include/index.hpp | 78 ------------------------------------------
 1 file changed, 78 deletions(-)
 delete mode 100644 src/database/include/index.hpp

(limited to 'src/database/include/index.hpp')

diff --git a/src/database/include/index.hpp b/src/database/include/index.hpp
deleted file mode 100644
index 45dae464..00000000
--- a/src/database/include/index.hpp
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#pragma once
-
-#include <stdint.h>
-
-#include <cstdint>
-#include <string>
-#include <variant>
-#include <vector>
-
-#include "collation.hpp"
-#include "leveldb/db.h"
-#include "leveldb/slice.h"
-
-#include "leveldb/write_batch.h"
-#include "memory_resource.hpp"
-#include "track.hpp"
-
-namespace database {
-
-typedef uint8_t IndexId;
-
-struct IndexInfo {
-  // Unique id for this index
-  IndexId id;
-  // Localised, user-friendly description of this index. e.g. "Albums by Artist"
-  // or "All Tracks".
-  std::pmr::string name;
-  // Specifier for how this index breaks down the database.
-  std::vector<Tag> components;
-};
-
-struct IndexKey {
-  struct Header {
-    // The index that this key was created for.
-    IndexId id;
-    // The number of components of IndexInfo that have already been filtered.
-    // For example, if an index consists of { kGenre, kArtist }, and this key
-    // represents an artist, then depth = 1.
-    std::uint8_t depth;
-    // The cumulative hash of all filtered components, in order. For example, if
-    // an index consists of { kArtist, kAlbum, kTitle }, and we are at depth = 2
-    // then this may contain hash(hash("Jacqueline"), "My Cool Album").
-    std::uint64_t components_hash;
-
-    bool operator==(const Header&) const = default;
-  };
-  Header header;
-
-  // The filterable / selectable item that this key represents. "Jacqueline" for
-  // kArtist, "My Cool Album" for kAlbum, etc.
-  std::optional<std::pmr::string> item;
-  // If this is a leaf component, the track id for this record.
-  // This could reasonably be the value for a record, but we keep it as a part
-  // of the key to help with disambiguation.
-  std::optional<TrackId> track;
-};
-
-auto Index(locale::ICollator&, const IndexInfo&, const Track&)
-    -> std::vector<std::pair<IndexKey, std::string>>;
-
-auto ExpandHeader(const IndexKey::Header&,
-                  const std::optional<std::pmr::string>&) -> IndexKey::Header;
-
-// Predefined indexes
-// TODO(jacqueline): Make these defined at runtime! :)
-
-extern const IndexInfo kAlbumsByArtist;
-extern const IndexInfo kTracksByGenre;
-extern const IndexInfo kAllTracks;
-extern const IndexInfo kAllAlbums;
-
-}  // namespace database
-- 
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