1 files changed, 149 insertions, 0 deletions
diff --git a/atuin-client/src/settings.rs b/atuin-client/src/settings.rs
new file mode 100644
index 00000000..e28963c0
--- /dev/null
+++ b/atuin-client/src/settings.rs
@@ -0,0 +1,149 @@
+use std::fs::{create_dir_all, File};
+use std::io::prelude::*;
+use std::path::{Path, PathBuf};
+
+use chrono::prelude::*;
+use chrono::Utc;
+use config::{Config, Environment, File as ConfigFile};
+use directories::ProjectDirs;
+use eyre::{eyre, Result};
+use parse_duration::parse;
+
+pub const HISTORY_PAGE_SIZE: i64 = 100;
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct Settings {
+    pub dialect: String,
+    pub auto_sync: bool,
+    pub sync_address: String,
+    pub sync_frequency: String,
+    pub db_path: String,
+    pub key_path: String,
+    pub session_path: String,
+
+    // This is automatically loaded when settings is created. Do not set in
+    // config! Keep secrets and settings apart.
+    pub session_token: String,
+}
+
+impl Settings {
+    pub fn save_sync_time() -> Result<()> {
+        let sync_time_path = ProjectDirs::from("com", "elliehuxtable", "atuin")
+            .ok_or_else(|| eyre!("could not determine key file location"))?;
+        let sync_time_path = sync_time_path.data_dir().join("last_sync_time");
+
+        std::fs::write(sync_time_path, Utc::now().to_rfc3339())?;
+
+        Ok(())
+    }
+
+    pub fn last_sync() -> Result<chrono::DateTime<Utc>> {
+        let sync_time_path = ProjectDirs::from("com", "elliehuxtable", "atuin");
+
+        if sync_time_path.is_none() {
+            debug!("failed to load projectdirs, not syncing");
+            return Err(eyre!("could not load project dirs"));
+        }
+
+        let sync_time_path = sync_time_path.unwrap();
+        let sync_time_path = sync_time_path.data_dir().join("last_sync_time");
+
+        if !sync_time_path.exists() {
+            return Ok(Utc.ymd(1970, 1, 1).and_hms(0, 0, 0));
+        }
+
+        let time = std::fs::read_to_string(sync_time_path)?;
+        let time = chrono::DateTime::parse_from_rfc3339(time.as_str())?;
+
+        Ok(time.with_timezone(&Utc))
+    }
+
+    pub fn should_sync(&self) -> Result<bool> {
+        if !self.auto_sync {
+            return Ok(false);
+        }
+
+        match parse(self.sync_frequency.as_str()) {
+            Ok(d) => {
+                let d = chrono::Duration::from_std(d).unwrap();
+                Ok(Utc::now() - Settings::last_sync()? >= d)
+            }
+            Err(e) => Err(eyre!("failed to check sync: {}", e)),
+        }
+    }
+
+    pub fn new() -> Result<Self> {
+        let config_dir = ProjectDirs::from("com", "elliehuxtable", "atuin").unwrap();
+        let config_dir = config_dir.config_dir();
+
+        create_dir_all(config_dir)?;
+
+        let config_file = if let Ok(p) = std::env::var("ATUIN_CONFIG") {
+            PathBuf::from(p)
+        } else {
+            let mut config_file = PathBuf::new();
+            config_file.push(config_dir);
+            config_file.push("config.toml");
+            config_file
+        };
+
+        let mut s = Config::new();
+
+        let db_path = ProjectDirs::from("com", "elliehuxtable", "atuin")
+            .ok_or_else(|| eyre!("could not determine db file location"))?
+            .data_dir()
+            .join("history.db");
+
+        let key_path = ProjectDirs::from("com", "elliehuxtable", "atuin")
+            .ok_or_else(|| eyre!("could not determine key file location"))?
+            .data_dir()
+            .join("key");
+
+        let session_path = ProjectDirs::from("com", "elliehuxtable", "atuin")
+            .ok_or_else(|| eyre!("could not determine session file location"))?
+            .data_dir()
+            .join("session");
+
+        s.set_default("db_path", db_path.to_str())?;
+        s.set_default("key_path", key_path.to_str())?;
+        s.set_default("session_path", session_path.to_str())?;
+        s.set_default("dialect", "us")?;
+        s.set_default("auto_sync", true)?;
+        s.set_default("sync_frequency", "5m")?;
+        s.set_default("sync_address", "https://api.atuin.sh")?;
+
+        if config_file.exists() {
+            s.merge(ConfigFile::with_name(config_file.to_str().unwrap()))?;
+        } else {
+            let example_config = include_bytes!("../config.toml");
+            let mut file = File::create(config_file)?;
+            file.write_all(example_config)?;
+        }
+
+        s.merge(Environment::with_prefix("atuin").separator("_"))?;
+
+        // all paths should be expanded
+        let db_path = s.get_str("db_path")?;
+        let db_path = shellexpand::full(db_path.as_str())?;
+        s.set("db_path", db_path.to_string())?;
+
+        let key_path = s.get_str("key_path")?;
+        let key_path = shellexpand::full(key_path.as_str())?;
+        s.set("key_path", key_path.to_string())?;
+
+        let session_path = s.get_str("session_path")?;
+        let session_path = shellexpand::full(session_path.as_str())?;
+        s.set("session_path", session_path.to_string())?;
+
+        // Finally, set the auth token
+        if Path::new(session_path.to_string().as_str()).exists() {
+            let token = std::fs::read_to_string(session_path.to_string())?;
+            s.set("session_token", token.trim())?;
+        } else {
+            s.set("session_token", "not logged in")?;
+        }
+
+        s.try_into()
+            .map_err(|e| eyre!("failed to deserialize: {}", e))
+    }
+}