feat: add command line arguments

src/cmd/arguments.rs

@@ -0,0 +1,17 @@
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+pub struct Args {
+    /// Config file path
+    #[arg(short, long, default_value = "/etc/rustysearch/config.json")]
+    config: String,
+
+    /// Change the log level
+    #[arg(short = 'l', long, default_value = "info")]
+    loglevel: String,
+
+    /// Change Database path
+    #[arg(short = 'D', long, default_value = "/tmp/rustysearch.db")]
+    database: String,
+}

src/cmd/mod.rs

@@ -0,0 +1 @@
+pub mod arguments;

src/lib.rs

@@ -1,3 +1,4 @@
-pub mod search;
+pub mod cmd;
 pub mod handlers;
-pub mod types;
+pub mod search;
+pub mod types;

src/main.rs

@@ -1,9 +1,11 @@
 use std::sync::Mutex;
 
 use actix_web::{middleware::Logger, web, App, HttpServer};
+use clap::Parser;
 use env_logger::Env;
 
 use rustysearch::{
+    cmd::arguments::Args,
     handlers::{hello, search},
     search::engine::SearchEngine,
     types::app_state::AppStateWithSearchEngine,
@@ -11,6 +13,8 @@ use rustysearch::{
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
+    let args = Args::parse();
+
     // Initialize logger
     env_logger::init_from_env(Env::default().default_filter_or("debug"));
 

src/types/config.rs

@@ -0,0 +1,16 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Config {
+    http_addr: String,
+    database_path: String,
+}
+
+impl Config {
+    pub fn new() -> Config {
+        Config {
+            http_addr: String::from("127.0.0.1:4000"),
+            database_path: String::from("/tmp/rustysearch.db"),
+        }
+    }
+}

src/types/mod.rs

@@ -1 +1,2 @@
-pub mod app_state;
+pub mod app_state;
+pub mod config;