feat: application data directory (#22)

* feat: app data dir logic

* fmt

* suggestion

* suggestions

* renamed

* empty org

Cargo.toml

@@ -41,6 +41,7 @@ arboard = { version = "3.4.0", default-features = false, features = [
     "windows-sys",
 ] }
 enum_dispatch = "0.3.13"
+directories = "5.0"
 
 rusqlite = { version = "0.32.1",  features = ["functions"]}
 serde_yaml = "0.9.34+deprecated"

src/app.rs

@@ -1,3 +1,7 @@
+use crate::app_dir::{
+    app_user_data_file_path, copy_env_file_if_not_exists,
+    create_app_user_data_directory_if_not_exists,
+};
 use crate::context::AppContext;
 use crate::database::Database;
 use crate::logging::initialize_logger;
@@ -99,8 +103,11 @@ impl BitOrAssign for AppAction {
 }
 impl AppState {
     pub fn new() -> Self {
+        create_app_user_data_directory_if_not_exists().expect("Failed to create app user_data directory");
+        copy_env_file_if_not_exists();
         initialize_logger();
-        let db = Arc::new(Database::new("identities.db").unwrap());
+        let db_file_path = app_user_data_file_path("data.db").expect("should create db file path");
+        let db = Arc::new(Database::new(db_file_path).unwrap());
         db.initialize().unwrap();
 
         let settings = db.get_settings().expect("expected to get settings");

src/app_dir.rs

@@ -0,0 +1,56 @@
+use directories::ProjectDirs;
+use std::fs;
+use std::path::{Path, PathBuf};
+
+const QUALIFIER: &str = ""; // Typically empty on macOS and Linux
+const ORGANIZATION: &str = "";
+const APPLICATION: &str = "DashEvoTool";
+
+pub fn app_user_data_dir_path() -> Result<PathBuf, std::io::Error> {
+    let proj_dirs = ProjectDirs::from(QUALIFIER, ORGANIZATION, APPLICATION)
+        .ok_or_else(|| std::io::Error::new(
+            std::io::ErrorKind::NotFound,
+            "Failed to determine project directories",
+        ))?;
+    Ok(proj_dirs.config_dir().to_path_buf())
+}
+pub fn create_app_user_data_directory_if_not_exists() -> Result<(), std::io::Error> {
+    let app_data_dir = app_user_data_dir_path()?;
+    fs::create_dir_all(&app_data_dir)?;
+
+    // Verify directory permissions
+    let metadata = fs::metadata(&app_data_dir)?;
+    if !metadata.is_dir() {
+        return Err(std::io::Error::new(
+            std::io::ErrorKind::Other,
+            "Created path is not a directory",
+        ));
+    }
+    Ok(())
+}
+
+pub fn app_user_data_file_path(filename: &str) -> Result<PathBuf, std::io::Error> {
+    if filename.is_empty() || filename.contains(std::path::is_separator) {
+        return Err(std::io::Error::new(
+            std::io::ErrorKind::InvalidInput,
+            "Invalid filename",
+        ));
+    }
+    let app_data_dir = app_user_data_dir_path()?;
+    Ok(app_data_dir.join(filename))
+}
+
+pub fn copy_env_file_if_not_exists() {
+    let app_data_dir = app_user_data_dir_path().expect("Failed to determine application data directory");
+    let env_file = app_data_dir.join(".env".to_string());
+    if env_file.exists() && env_file.is_file() {
+    } else {
+        let env_example_file = PathBuf::from(".env.example");
+        let target_env_file_path = app_user_data_file_path(".env").expect("should create target env file path");
+        fs::copy(
+            &env_example_file,
+            target_env_file_path,
+        )
+        .expect("Failed to copy main net env file");
+    }
+}

src/config.rs

@@ -1,5 +1,6 @@
 use std::str::FromStr;
 
+use crate::app_dir::app_user_data_file_path;
 use dash_sdk::dapi_client::AddressList;
 use dash_sdk::dpp::dashcore::Network;
 use dash_sdk::sdk::Uri;
@@ -59,7 +60,8 @@ impl Config {
     /// Loads the configuration for all networks from environment variables and `.env` file.
     pub fn load() -> Result<Self, ConfigError> {
         // Load the .env file if available
-        if let Err(err) = dotenvy::from_path(".env") {
+        let env_file_path = app_user_data_file_path(".env").expect("should create .env file path");
+        if let Err(err) = dotenvy::from_path(env_file_path) {
             tracing::warn!(
                 ?err,
                 "Failed to load .env file. Continuing with environment variables."

src/logging.rs

@@ -1,10 +1,13 @@
+use crate::app_dir::app_user_data_file_path;
 use std::panic;
 use tracing::{error, info};
 use tracing_subscriber::EnvFilter;
 
 pub fn initialize_logger() {
     // Initialize log file, with improved error handling
-    let log_file = match std::fs::File::create("explorer.log") {
+    let log_file_path = app_user_data_file_path("explorer.log").expect("should create log file path");
+    let log_file = match std::fs::File::create(log_file_path)
+    {
         Ok(file) => file,
         Err(e) => panic!("Failed to create log file: {:?}", e),
     };

src/main.rs

@@ -5,6 +5,7 @@ mod logging;
 mod sdk_wrapper;
 mod ui;
 
+mod app_dir;
 mod components;
 mod context;
 mod context_provider;