refactor config helper function

src/config_parser/parser.rs

@@ -24,46 +24,35 @@ pub struct Config {
     pub binding_ip_addr: String,
     pub style: Style,
     pub redis_connection_url: String,
-    pub aggregator: AggreatorConfig,
+    pub aggregator: AggregatorConfig,
     pub logging: bool,
     pub debug: bool,
 }
 
 /// Configuration options for the aggregator.
 #[derive(Clone)]
-pub struct AggreatorConfig {
+pub struct AggregatorConfig {
     /// Whether to introduce a random delay before sending the request to the search engine.
     pub random_delay: bool,
 }
 
 impl Config {
     /// A function which parses the config.lua file and puts all the parsed options in the newly
-    /// contructed Config struct and returns it.
+    /// constructed Config struct and returns it.
     ///
     /// # Error
     ///
     /// Returns a lua parse error if parsing of the config.lua file fails or has a syntax error
-    /// or io error if the config.lua file doesn't exists otherwise it returns a newly contructed
+    /// or io error if the config.lua file doesn't exists otherwise it returns a newly constructed
     /// Config struct with all the parsed config options from the parsed config file.
     pub fn parse() -> Result<Self, Box<dyn std::error::Error>> {
         Lua::new().context(|context| -> Result<Self, Box<dyn std::error::Error>> {
             let globals = context.globals();
 
             context
-                .load(&fs::read_to_string(
-                    Config::handle_different_config_file_path()?,
-                )?)
+                .load(&fs::read_to_string(Config::get_config_path()?)?)
                 .exec()?;
 
-            let production_use = globals.get::<_, bool>("production_use")?;
-            let aggregator_config = if production_use {
-                AggreatorConfig { random_delay: true }
-            } else {
-                AggreatorConfig {
-                    random_delay: false,
-                }
-            };
-
             Ok(Config {
                 port: globals.get::<_, u16>("port")?,
                 binding_ip_addr: globals.get::<_, String>("binding_ip_addr")?,
@@ -72,7 +61,9 @@ impl Config {
                     globals.get::<_, String>("colorscheme")?,
                 ),
                 redis_connection_url: globals.get::<_, String>("redis_connection_url")?,
-                aggregator: aggregator_config,
+                aggregator: AggregatorConfig {
+                    random_delay: globals.get::<_, bool>("production_use")?,
+                },
                 logging: globals.get::<_, bool>("logging")?,
                 debug: globals.get::<_, bool>("debug")?,
             })
@@ -90,35 +81,37 @@ impl Config {
     ///    one (3).
     /// 3. `websurfx/` (under project folder ( or codebase in other words)) if it is not present
     ///    here then it returns an error as mentioned above.
-    fn handle_different_config_file_path() -> Result<String, Box<dyn std::error::Error>> {
-        if Path::new(
-            format!(
-                "{}/.config/{}/config.lua",
-                std::env::var("HOME").unwrap(),
-                COMMON_DIRECTORY_NAME
-            )
-            .as_str(),
-        )
-        .exists()
-        {
-            Ok(format!(
+    fn get_config_path() -> Result<String, Box<dyn std::error::Error>> {
+        // check user config
+
+        let path = format!(
+            "{}/.config/{}/config.lua",
+            std::env::var("HOME").unwrap(),
+            COMMON_DIRECTORY_NAME
+        );
+        if Path::new(path.as_str()).exists() {
+            return Ok(format!(
                 "{}/.config/{}/{}",
                 std::env::var("HOME").unwrap(),
                 COMMON_DIRECTORY_NAME,
                 CONFIG_FILE_NAME
-            ))
-        } else if Path::new(
-            format!("/etc/xdg/{}/{}", COMMON_DIRECTORY_NAME, CONFIG_FILE_NAME).as_str(),
-        )
-        .exists()
-        {
-            Ok("/etc/xdg/websurfx/config.lua".to_string())
-        } else if Path::new(format!("./{}/{}", COMMON_DIRECTORY_NAME, CONFIG_FILE_NAME).as_str())
+            ));
+        }
+
+        // look for config in /etc/xdg
+        if Path::new(format!("/etc/xdg/{}/{}", COMMON_DIRECTORY_NAME, CONFIG_FILE_NAME).as_str())
             .exists()
         {
-            Ok("./websurfx/config.lua".to_string())
-        } else {
-            Err("Config file not found!!".to_string().into())
+            return Ok("/etc/xdg/websurfx/config.lua".to_string());
         }
+
+        // use dev config
+        if Path::new(format!("./{}/{}", COMMON_DIRECTORY_NAME, CONFIG_FILE_NAME).as_str()).exists()
+        {
+            return Ok("./websurfx/config.lua".to_string());
+        }
+
+        // if no of the configs above exist, return error
+        Err("Config file not found!!".to_string().into())
     }
 }

src/config_parser/parser_models.rs

@@ -1,5 +1,5 @@
 //! This module provides public models for handling, storing and serializing parsed config file
-//! options from config.lua by grouping them togather.
+//! options from config.lua by grouping them together.
 
 use serde::{Deserialize, Serialize};