Made every thing in Config optional internally

src/config.rs

@@ -2,16 +2,50 @@ use std::path::PathBuf;
 use serde::Deserialize;
 
 #[derive(Deserialize)]
+struct RawColors {
+    pub background: Option<u32>,
+    pub timeline: Option<u32>,
+    pub background_text: Option<u32>
+}
+
+#[derive(Clone)]
 pub struct Colors {
     pub background: u32,
     pub timeline: u32,
     pub background_text: u32
 }
 
+impl Default for Colors {
+    fn default() -> Self {
+        Colors {
+            background: 0xff_808080,
+            timeline: 0xff_a9a9a9,
+            background_text: 0xff_000000
+        }
+    }
+}
+
+impl From<RawColors> for Colors {
+    fn from(value: RawColors) -> Self {
+        let default_colors: Colors = Default::default();
+        Colors {
+            background: value.background.unwrap_or(default_colors.background),
+            timeline: value.timeline.unwrap_or(default_colors.timeline),
+            background_text: value.background_text.unwrap_or(default_colors.background_text),
+        }
+    }
+}
+
 #[derive(Deserialize)]
+struct RawConfig {
+    pub log_path: Option<PathBuf>,
+    pub colors: Option<RawColors>,
+    pub event_colors: Option<Vec<u32>>,
+    pub text_colors: Option<Vec<u32>>
+}
+
 pub struct Config {
     /// directory, where config is located
-    #[serde(skip)]
     pub conf_path: PathBuf,
     pub log_path: PathBuf,
     pub colors: Colors,
@@ -19,14 +53,10 @@ pub struct Config {
     pub text_colors: Vec<u32>
 }
 
-impl Config {
-    pub fn new(conf_path: PathBuf) -> Self {
-        let conf_dir: PathBuf = conf_path.parent().unwrap().into();
-        let colors = Colors {
-            background: 0xff_808080,
-            timeline: 0xff_a9a9a9,
-            background_text: 0xff_000000
-        };
+impl Default for Config {
+    fn default() -> Self {
+        let conf_path = PathBuf::new();
+        let colors: Colors = Default::default();
         let event_colors: Vec<u32> = vec![
             0xff_97f9f9,
             0xff_a4def9,
@@ -64,18 +94,46 @@ impl Config {
             0xff000000
         ];
         Config {
-            conf_path: conf_dir,
+            conf_path,
             log_path: PathBuf::from("./logs"),
             colors,
             event_colors,
             text_colors
         }
     }
+}
+
+impl From<RawConfig> for Config {
+    fn from(value: RawConfig) -> Self {
+        let default_config: Config = Default::default();
+        let colors: Colors = match value.colors {
+            Some(raw_colors) => raw_colors.into(),
+            None => default_config.colors.clone()
+        };
+        Config {
+            conf_path: default_config.conf_path,
+            log_path: value.log_path.unwrap_or(default_config.log_path),
+            colors,
+            event_colors: value.event_colors.unwrap_or(default_config.event_colors.clone()),
+            text_colors: value.text_colors.unwrap_or(default_config.text_colors.clone())
+        }
+    }
+}
+
+impl Config {
+    pub fn new(conf_path: PathBuf) -> Self {
+        let conf_dir: PathBuf = conf_path.parent().unwrap().into();
+        Config {
+            conf_path: conf_dir,
+            ..Default::default()
+        }
+    }
 
     pub fn load(path: PathBuf) -> Self {
         if let Ok(toml_string) = std::fs::read_to_string(path.clone()) {
-            let conf = toml::from_str::<Self>(&toml_string);
-            if let Ok(mut conf) = conf {
+            let conf = toml::from_str::<RawConfig>(&toml_string);
+            if let Ok(raw_conf) = conf {
+                let mut conf: Config = raw_conf.into();
                 conf.conf_path = path.parent().unwrap().into();
                 return conf;
             }