feat: Add config creation

Cargo.toml

@@ -1,9 +1,10 @@
 [package]
-name = "ReSet-Lib"
+name = "reset_lib"
 version = "0.1.0"
 edition = "2021"
 description = "Data structure library for ReSet"
 repository = "https://github.com/Xetibo/ReSet-Lib"
 license = "GPL-3.0-only"
 
 [dependencies]
+directories-next = "2.0.0"

src/lib.rs

@@ -0,0 +1,31 @@
+use directories_next as dirs;
+use std::{fmt, fs, path::PathBuf};
+
+mod tests;
+
+#[derive(Debug, Clone)]
+struct PathNotFoundError;
+
+impl fmt::Display for PathNotFoundError {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        write!(formatter, "File could not be found")
+    }
+}
+
+fn create_config(project_organization: &str, project_name: &str) -> Option<PathBuf> {
+    let config_dir = dirs::ProjectDirs::from("com", project_organization, project_name)?;
+    let config_dir = config_dir.config_dir();
+    if !config_dir.exists() {
+        fs::create_dir(config_dir).expect("Could not create directory");
+    }
+    let metadata = fs::metadata(config_dir);
+    if metadata.is_err() {
+        return None;
+    }
+    let config_file = String::from(project_name) + ".toml";
+    let file_path = config_dir.join(config_file);
+    if !file_path.exists() {
+        fs::File::create(&file_path).expect("Could not write config file");
+    }
+    Some(config_dir.join(""))
+}

src/tests.rs

@@ -0,0 +1,7 @@
+#[test]
+fn test_config_dir() {
+    use crate::create_config;
+    let organization_name = "xetibo";
+    let project_name = "globiTM";
+    assert!(create_config(organization_name, project_name).is_some());
+}