WIP

crates/turborepo-ui/src/tui/preferences.rs

@@ -1,10 +1,72 @@
-use turbopath::AbsoluteSystemPath;
+use std::{
+    fs::{self, File},
+    io::{BufReader, Write},
+};
 
-pub struct Preferences {}
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use turbopath::{AbsoluteSystemPath, AbsoluteSystemPathBuf};
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Preferences {
+    pub is_task_list_visible: bool,
+}
+
+fn save_to_json(
+    preferences: &Preferences,
+    path: AbsoluteSystemPathBuf,
+) -> Result<(), Box<dyn std::error::Error>> {
+    let json = serde_json::to_string_pretty(preferences)?;
+    let mut file = File::create(path.as_std_path())?;
+    file.write_all(json.as_bytes())?;
+
+    Ok(())
+}
+
+fn update_json_field(
+    file_path: &str,
+    field: &str,
+    new_value: Value,
+) -> Result<(), Box<dyn std::error::Error>> {
+    let json_string = fs::read_to_string(file_path)?;
+    let mut json: Value = serde_json::from_str(&json_string)?;
+
+    json[field] = new_value;
+    let updated_json_string = serde_json::to_string_pretty(&json)?;
+
+    let mut file = fs::File::create(file_path)?;
+    file.write_all(updated_json_string.as_bytes())?;
+
+    Ok(())
+}
+
+fn read_from_json(path: &str) -> Result<Preferences, Box<dyn std::error::Error>> {
+    let file = File::open(path)?;
+    let reader = BufReader::new(file);
+
+    let person: Preferences = serde_json::from_reader(reader)?;
+
+    Ok(person)
+}
 
 impl Preferences {
-    pub fn write_preferences(repo_root: &AbsoluteSystemPath) {
-        let preferences_file = repo_root.join_components(&[".turbo", "preferences", "tui.json"]);
-        println!("TODO: save preferences to {:?}", preferences_file);
+    pub fn write_preferences(
+        repo_root: &AbsoluteSystemPath,
+    ) -> Result<(), Box<dyn std::error::Error>> {
+        let preferences_dir = repo_root.join_components(&[".turbo", "preferences"]);
+        let preferences_file = preferences_dir.join_component("tui.json");
+
+        // Create the directory structure if it doesn't exist
+        fs::create_dir_all(preferences_dir.as_std_path())?;
+
+        save_to_json(
+            &Preferences {
+                is_task_list_visible: true,
+            },
+            preferences_file,
+        )
+        .unwrap();
+
+        Ok(())
     }
 }