refactor: add MySQL user and password options to command line flags

src/args_cli.rs

@@ -14,4 +14,12 @@ pub struct Flags {
     #[arg(short, long)]
     /// Backup path
     pub folder: Option<String>,
+
+    #[arg(short, long)]
+    /// Set MySQL password
+    pub password: Option<String>,
+
+    #[arg(short, long)]
+    /// Set MySQL user
+    pub user: Option<String>,
 }

src/main.rs

@@ -35,12 +35,18 @@ fn main() {
     } else {
         Env::get_var("BACKUP_PATH")
     };
+
+    let user = if Flags::parse().user != None {
+        Flags::parse().user.unwrap()
+    } else {
+        Env::get_var("DB_USER")
+    };
+
+    let password = if Flags::parse().password != None {
+        Flags::parse().password.unwrap()
+    } else {
+        Env::get_var("DB_PASSWORD")
+    };
 
-    Dump::new(
-        &Env::get_var("DB_USER"), 
-        &Env::get_var("DB_PASSWORD"), 
-        &dbname, 
-        &backup_path, 
-        interval
-    ).make_dump();
+    Dump::new(&user, &password, &dbname, &backup_path, interval).make_dump();
 }