Better app settings

docs/SETTINGS.md

@@ -290,7 +290,8 @@ The following app settings can be customized in the app settings:
 |------|------|-------------|
 |history_limit|usize|Maximum number of modifications that are stored in the undo/redo history.|
 |log_limit|usize|Maximum number of log messages that are stored in the log.|
-|theme|Option<String>|The name of the theme to use. The available themes are: `"auto"`, `"dark"`, `"light"`. `"auto"` chooses automatically between `"dark"` and `"light"` based on the background color of the terminal. By default, the theme is `"auto"`.|
+|log_level|Verbosity|The minimum level of log messages that are shown. Can be `"info"`, `"debug"`, `"warning"` or `"error"`.|
+|theme|ThemePreference|The theme to use, can be `"auto"`, `"light"` or `"dark"`.|
 
 ## Custom
 

src/app/app.rs

@@ -126,6 +126,7 @@ impl App {
             }
         };
         logger.change_limit(settings.app.log_limit);
+        logger.change_verbosity(settings.app.log_level);
         Self::print_loading_status(
             &settings.color,
             &format!("Opening \"{}\"...", args.path),

src/app/log/logger.rs

@@ -1,31 +1,35 @@
 use std::{collections::VecDeque, ops::Index};
 
-use crate::app::App;
+use crate::app::{settings::verbosity::Verbosity, App};
 
 use super::{log_line::LogLine, notification::NotificationLevel};
 
 #[derive(Debug, Clone, Default)]
 pub struct Logger {
     pub(super) limit: usize,
     pub(super) log: VecDeque<LogLine>,
+    pub(super) verbosity: Verbosity,
     pub(super) notification: NotificationLevel,
 }
 
 impl Logger {
-    pub fn with_limit(limit: usize) -> Self {
+    pub fn new(limit: usize, verbosity: Verbosity) -> Self {
         Self {
             limit,
             log: VecDeque::with_capacity(limit),
+            verbosity,
             notification: NotificationLevel::None,
         }
     }
 
     pub fn log(&mut self, level: NotificationLevel, message: &str) {
-        self.notification.bump_notification_level(level);
-        if self.log.len() >= self.limit && self.limit > 0 {
-            self.log.pop_front();
+        if level >= self.verbosity.as_notification_level() {
+            self.notification.bump_notification_level(level);
+            if self.log.len() >= self.limit && self.limit > 0 {
+                self.log.pop_front();
+            }
+            self.log.push_back(LogLine::new(level, message.to_string()));
         }
-        self.log.push_back(LogLine::new(level, message.to_string()));
     }
 
     pub fn clear(&mut self) {
@@ -65,15 +69,25 @@ impl Logger {
         }
     }
 
+    pub fn change_verbosity(&mut self, verbosity: Verbosity) {
+        self.verbosity = verbosity;
+        for log_line in &self.log {
+            if log_line.level < verbosity.as_notification_level() {
+                self.notification.bump_notification_level(log_line.level);
+            }
+        }
+        if self.notification < verbosity.as_notification_level() {
+            self.notification = NotificationLevel::None;
+        }
+    }
+
     pub fn merge(&mut self, other: &Self) {
         for log_line in &other.log {
             if self.log.len() >= self.limit && self.limit > 0 {
                 self.log.pop_front();
             }
-            self.log.push_back(log_line.clone());
+            self.log(log_line.level, &log_line.message);
         }
-        self.notification
-            .bump_notification_level(other.notification);
     }
 }
 
@@ -127,7 +141,7 @@ mod test {
 
     #[test]
     fn test_logger_with_limit() {
-        let mut logger = Logger::with_limit(5);
+        let mut logger = Logger::new(5, Verbosity::Debug);
         for i in 0..10 {
             logger.log(
                 NotificationLevel::Error,
@@ -141,7 +155,7 @@ mod test {
 
     #[test]
     fn test_logger_change_limit() {
-        let mut logger = Logger::with_limit(2);
+        let mut logger = Logger::new(2, Verbosity::Debug);
         logger.log(NotificationLevel::Error, "Test error message 1");
         logger.log(NotificationLevel::Error, "Test error message 2");
         logger.log(NotificationLevel::Error, "Test error message 3");

src/app/log/notification.rs

@@ -1,13 +1,13 @@
 use std::fmt::{Display, Formatter};
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default, PartialOrd, Ord)]
 pub enum NotificationLevel {
     #[default]
-    None,
-    Debug,
-    Info,
-    Warning,
-    Error,
+    None = 0,
+    Debug = 1,
+    Info = 2,
+    Warning = 3,
+    Error = 4,
 }
 
 impl NotificationLevel {
@@ -22,13 +22,7 @@ impl NotificationLevel {
     }
 
     pub fn notification_level_as_u8(&self) -> u8 {
-        match self {
-            NotificationLevel::None => 0,
-            NotificationLevel::Debug => 1,
-            NotificationLevel::Info => 2,
-            NotificationLevel::Warning => 3,
-            NotificationLevel::Error => 4,
-        }
+        *self as u8
     }
 }
 

src/app/mockup.rs

@@ -4,9 +4,11 @@ pub mod test {
 
     use ratatui::{backend::TestBackend, Terminal};
 
-    use crate::app::App;
+    use crate::app::{settings::verbosity::Verbosity, App};
 
     impl App {
+        /// Create a mockup of the app with the given data.
+        /// Sets the logger verbosity to debug.
         pub fn mockup(data: Vec<u8>) -> Self {
             let mut app = App::default();
             let mut input_file =
@@ -17,6 +19,7 @@ pub mod test {
             let mut terminal = Terminal::new(TestBackend::new(80, 25)).unwrap();
             app.open_file(&input_file.path().to_string_lossy(), &mut terminal)
                 .expect("Failed to open file for mockup.");
+            app.logger.change_verbosity(Verbosity::Debug);
             app
         }
     }

src/app/settings/app_settings.rs

@@ -1,14 +1,15 @@
 use mlua::UserDataRegistry;
 use serde::{Deserialize, Serialize};
 
-use super::Settings;
+use super::{theme_preference::ThemePreference, verbosity::Verbosity, Settings};
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(default)]
 pub struct AppSettings {
     pub history_limit: usize,
     pub log_limit: usize,
-    pub theme: Option<String>,
+    pub log_level: Verbosity,
+    pub theme: ThemePreference,
 }
 
 impl AppSettings {
@@ -43,7 +44,8 @@ impl Default for AppSettings {
         Self {
             history_limit: 1024,
             log_limit: 1024,
-            theme: None,
+            log_level: Verbosity::default(),
+            theme: ThemePreference::default(),
         }
     }
 }

src/app/settings/color_settings.rs

@@ -8,6 +8,7 @@ use crate::app::App;
 use crate::{EditColorSettings, RegisterColorSettings};
 
 use super::app_settings::AppSettings;
+use super::theme_preference::ThemePreference;
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize)]
 #[derive(EditColorSettings!)]
@@ -248,16 +249,9 @@ impl ColorSettings {
         terminal_theme: Theme,
     ) -> Result<Self, String> {
         let theme = match &app_settings.theme {
-            Some(theme) if theme.to_lowercase() == "light" => Theme::Light,
-            Some(theme) if theme.to_lowercase() == "dark" => Theme::Dark,
-            any => {
-                if let Some(theme) = any {
-                    if theme.to_lowercase() != "auto" {
-                        return Err(format!("Invalid theme: {}", theme));
-                    }
-                }
-                terminal_theme
-            }
+            ThemePreference::Light => Theme::Light,
+            ThemePreference::Dark => Theme::Dark,
+            ThemePreference::Auto => terminal_theme,
         };
         let mut color_settings = Self::get_default_theme(theme);
         color_settings

src/app/settings/mod.rs

@@ -11,3 +11,5 @@ pub mod register_color_settings_macro;
 #[macro_use]
 pub mod edit_color_settings;
 pub mod settings_value;
+pub mod theme_preference;
+pub mod verbosity;

src/app/settings/theme_preference.rs

@@ -0,0 +1,10 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[serde(rename_all = "lowercase")]
+pub enum ThemePreference {
+    Light,
+    Dark,
+    #[default]
+    Auto,
+}

src/app/settings/verbosity.rs

@@ -0,0 +1,24 @@
+use serde::{Deserialize, Serialize};
+
+use crate::app::log::NotificationLevel;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[serde(rename_all = "lowercase")]
+pub enum Verbosity {
+    Debug,
+    #[default]
+    Info,
+    Warning,
+    Error,
+}
+
+impl Verbosity {
+    pub fn as_notification_level(&self) -> NotificationLevel {
+        match self {
+            Verbosity::Debug => NotificationLevel::Debug,
+            Verbosity::Info => NotificationLevel::Info,
+            Verbosity::Warning => NotificationLevel::Warning,
+            Verbosity::Error => NotificationLevel::Error,
+        }
+    }
+}

test/default_settings.json

@@ -588,7 +588,9 @@
   },
   "app": {
     "history_limit": 1024,
-    "log_limit": 1024
+    "log_limit": 1024,
+    "log_level": "info",
+    "theme": "auto"
   },
   "custom": {}
 }