From ec30fbab6ea45dcdec7d242fba2ff5555fea8e02 Mon Sep 17 00:00:00 2001
From: fx <fx@zen.fritz.box>
Date: Mon, 23 Sep 2024 18:56:39 +0200
Subject: add dnf package manager

---
 src/packages.rs     |  5 +++++
 src/packages/dnf.rs | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 src/packages/dnf.rs

diff --git a/src/packages.rs b/src/packages.rs
index de818f4..2844a9b 100644
--- a/src/packages.rs
+++ b/src/packages.rs
@@ -1,11 +1,13 @@
 use std::{fs::File, io::Read};
 
+use dnf::Dnf;
 use pacman::Pacman;
 use portage::Portage;
 use serde::{Deserialize, Serialize};
 
 use crate::error::{Error, Result};
 
+mod dnf;
 mod pacman;
 mod portage;
 
@@ -32,6 +34,7 @@ pub struct Package {
 
 #[derive(Debug, Clone, clap::ValueEnum, Serialize, Deserialize)]
 pub enum Manager {
+    Dnf,
     Pacman,
     Portage,
 }
@@ -65,6 +68,7 @@ impl Manager {
 
     fn from_str(value: &str) -> Result<Box<dyn PackageManager>> {
         Ok(match value {
+            "fedora" => Box::new(Dnf),
             "arch" => Box::new(Pacman),
             "gentoo" => Box::new(Portage),
             _ => return Err(Error::Unsupported),
@@ -73,6 +77,7 @@ impl Manager {
 
     fn to_package_manager(&self) -> Box<dyn PackageManager> {
         match self {
+            Self::Dnf => Box::new(Dnf),
             Self::Pacman => Box::new(Pacman),
             Self::Portage => Box::new(Portage),
         }
diff --git a/src/packages/dnf.rs b/src/packages/dnf.rs
new file mode 100644
index 0000000..aad9c8f
--- /dev/null
+++ b/src/packages/dnf.rs
@@ -0,0 +1,50 @@
+use std::process::Command;
+
+use super::{Package, PackageList, PackageManager};
+
+use crate::error::{Error, Result};
+
+pub struct Dnf;
+
+impl PackageManager for Dnf {
+    fn get_installed(&self) -> Result<PackageList> {
+        let list = Command::new("dnf").args(["list", "installed"]).output().unwrap();
+        let explicit_list = Command::new("dnf").args(["repoquery", "--userinstalled"]).output().unwrap();
+        
+        let list_str = String::from_utf8(list.stdout).unwrap();
+        let ex_list_str = String::from_utf8(explicit_list.stdout).unwrap();
+
+
+        let mut pkgs: Vec<Package> = Vec::new();
+        let list_lines: Vec<&str> = list_str.split('\n').collect();
+        // Pop first info line
+        let list_lines = &list_lines[1..list_lines.len()];
+        for pkg in list_lines {
+            if pkg.is_empty() {
+                continue;
+            };
+            let split: Vec<&str> = pkg.split_whitespace().collect();
+            if split.len() != 3 {
+                return Err(Error::UnknownOutput);
+            };
+
+            let explicit = ex_list_str.contains(pkg);
+
+            let Some(pkg_id) = split[0].split_once('.') else {
+                return Err(Error::UnknownOutput);
+            };
+            pkgs.push(Package {
+                id: pkg_id.0.to_string(),
+                version: split[1].to_string(),
+                explicit,
+            });
+        }
+
+        Ok(PackageList {
+            packages: pkgs,
+            manager: super::Manager::Dnf,
+        })
+    }
+
+    fn install(&self, _pkgs: Vec<super::Package>) -> Result<()> { todo!() }
+}
-- 
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