added basic config parsing, not fully finished yet, reads config from hardcoded string. added check if flatpak is installed and return with error if not

Cargo.toml

@@ -10,4 +10,6 @@ description = "a fast and efficient aur helper."
 [dependencies]
 git2 = "*"
 raur = "2.0.2"
-runas = "*"
+runas = "*"
+toml = "*"
+serde = "*"

src/main.rs

@@ -1,15 +1,58 @@
 mod mods;
+use toml;
+use serde;
 use mods::{clearcache::clearcache, clone::clone, help::help, install::install, search::{a_search, r_search}, uninstall::uninstall, upgrade::upgrade, flatpak::flatpak};
 use std::{env, process::exit, process::Command};
 
+#[derive(serde::Deserialize)]
+struct General {
+    cache: Option<String>,
+    backends: Backends,
+    pacman: Pacman,
+    aur: AUR,
+}
+
+#[derive(serde::Deserialize)]
+struct Backends {
+    pacman: Option<bool>,
+    flatpak: Option<bool>,
+    snap: Option<bool>,
+    aur: Option<bool>,
+}
+
+#[derive(serde::Deserialize)]
+struct Pacman {
+    noconfirm: Option<bool>,
+}
+
+#[derive(serde::Deserialize)]
+struct AUR {
+    clone_path: Option<String>,
+}
+
 fn main() {
     let args: Vec<String> = env::args().collect();
 
+    let configfile: General = toml::from_str(r#"
+        cache = "/home/user/.cache/ame"    
+
+        [backends]
+        pacman = true
+        flatpak = false
+        snap = false
+        aur = true
+
+        [pacman]
+        noconfirm = false
+
+        [aur]
+        clone_path = "/home/user/.cache/ame"
+    "#).unwrap();
+
     if args.len() <= 1 {
         help();
         exit(1);
     }
-
     let oper = &args[1];
     if oper == "-S" {
         for arg in env::args().skip(2) {
@@ -42,8 +85,19 @@ fn main() {
     } else if oper == "-Cc" {
         clearcache();
     } else if oper == "-f" {
-        for arg in env::args().skip(2) {
-            flatpak(&arg);
+        if configfile.backends.flatpak.unwrap() == true {
+            let b = std::path::Path::new("/usr/bin/flatpak").exists();
+            if b == true {
+                for arg in env::args().skip(2) {
+                    flatpak(&arg);
+                }
+            } else {
+                println!("ERROR: flatpak not found, please install flatpak and try again!");
+                println!("If you do have flatpak installed, please open an issue on the ame github repo!");
+            }
+        } else {
+            println!("ERROR: flatpak support is disabled in your ame config!");
+            println!("Enable flatpak support in your configuration and try again!");
         }
     } else {
         help();