From dfa5a732bab2bf4c50c6b193cb49cd3a67aef720 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Mon, 10 Mar 2025 12:16:31 +0100
Subject: Display packages installed from a repository

---
 katja/database.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'katja/database.cpp')

diff --git a/katja/database.cpp b/katja/database.cpp
index 555e679..11e3730 100644
--- a/katja/database.cpp
+++ b/katja/database.cpp
@@ -1,5 +1,12 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
 #include "katja/database.hpp"
 
+#include <filesystem>
+
 namespace katja
 {
     database_package database_package::create_database_package(const std::string& fullname)
@@ -47,6 +54,16 @@ namespace katja
     {
     }
 
+    bool database_package::operator<(const database_package& that) const
+    {
+        return this->name < that.name;
+    }
+
+    bool database_package::operator>(const database_package& that) const
+    {
+        return this->name > that.name;
+    }
+
     std::string database_package::to_string() const
     {
         std::string package_string;
@@ -64,4 +81,16 @@ namespace katja
 
         return package_string;
     }
+
+    std::multimap<std::string, database_package> read_installed_database()
+    {
+        std::multimap<std::string, database_package> result;
+
+        for (const auto& entry : std::filesystem::directory_iterator(katja::database))
+        {
+            database_package database_entry{ entry.path().filename() };
+            result.emplace(database_entry.name, database_entry);
+        }
+        return result;
+    }
 }
-- 
cgit v1.2.3