From fbe047a35fff100cb5f42d10984bccde137f586e Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Wed, 26 Apr 2023 15:21:32 +1000
Subject: Add some basic data and retrieval

---
 src/database/include/database.hpp | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

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

diff --git a/src/database/include/database.hpp b/src/database/include/database.hpp
index b9df5fd4..cb1437df 100644
--- a/src/database/include/database.hpp
+++ b/src/database/include/database.hpp
@@ -1,13 +1,18 @@
 #pragma once
 
+#include <string>
 #include <memory>
+#include <optional>
 
 #include "leveldb/cache.h"
 #include "leveldb/db.h"
+#include "leveldb/iterator.h"
 #include "result.hpp"
 
 namespace database {
 
+class Iterator;
+
 class Database {
  public:
   enum DatabaseError {
@@ -18,7 +23,10 @@ class Database {
   ~Database();
 
   auto Initialise() -> void;
-  auto Update() -> void;
+  auto ByTitle() -> Iterator;
+
+  Database(const Database&) = delete;
+  Database& operator=(const Database&) = delete;
 
  private:
   std::unique_ptr<leveldb::DB> db_;
@@ -27,4 +35,17 @@ class Database {
   Database(leveldb::DB* db, leveldb::Cache* cache);
 };
 
+class Iterator {
+  public:
+    explicit Iterator(leveldb::Iterator *it) : it_(it) {}
+
+    auto Next() -> std::optional<std::string>;
+
+    Iterator(const Iterator&) = delete;
+    Iterator& operator=(const Iterator&) = delete;
+
+  private:
+    std::unique_ptr<leveldb::Iterator> it_;
+};
+
 }  // namespace database
-- 
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