feat: finished up application added database support

Cargo.lock

@@ -404,6 +404,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dirs"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3e8aa94d75141228480295a7d0e7feb620b1a5ad9f12bc40be62411e38cce4e"
+dependencies = [
+ "dirs-sys",
+]
+
 [[package]]
 name = "dirs-next"
 version = "2.0.0"
@@ -414,6 +423,18 @@ dependencies = [
  "dirs-sys-next",
 ]
 
+[[package]]
+name = "dirs-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users 0.5.0",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "dirs-sys-next"
 version = "0.1.2"
@@ -421,7 +442,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
 dependencies = [
  "libc",
- "redox_users",
+ "redox_users 0.4.6",
  "winapi",
 ]
 
@@ -589,6 +610,12 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
 [[package]]
 name = "jiff"
 version = "0.2.15"
@@ -720,6 +747,9 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "clap",
+ "dirs",
+ "serde",
+ "serde_json",
  "skim",
  "tokio",
  "tracing",
@@ -772,6 +802,12 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4895175b425cb1f87721b59f0f286c2092bd4af812243672510e1ac53e2e0ad"
 
+[[package]]
+name = "option-ext"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -938,7 +974,18 @@ checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
 dependencies = [
  "getrandom 0.2.16",
  "libredox",
- "thiserror",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "redox_users"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd6f9d3d47bdd2ad6945c5015a226ec6155d0bcdfd8f7cd29f86b71f8de99d2b"
+dependencies = [
+ "getrandom 0.2.16",
+ "libredox",
+ "thiserror 2.0.12",
 ]
 
 [[package]]
@@ -1010,6 +1057,12 @@ version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a0d197bd2c9dc6e53b84da9556a69ba4cdfab8619eb41a8bd1cc2027a0f6b1d"
 
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -1036,6 +1089,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -1179,7 +1245,16 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.69",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
+dependencies = [
+ "thiserror-impl 2.0.12",
 ]
 
 [[package]]
@@ -1193,6 +1268,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thiserror-impl"
+version = "2.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.9"

Cargo.toml

@@ -6,6 +6,9 @@ edition = "2024"
 [dependencies]
 anyhow = "1.0.98"
 clap = { version = "4.5.40", features = ["derive", "env"] }
+dirs = "6.0.0"
+serde = { version = "1.0.219", features = ["derive"] }
+serde_json = { version = "1.0.140", features = ["preserve_order"] }
 skim = "0.20.2"
 tokio = { version = "1.46.1", features = ["full"] }
 tracing = { version = "0.1.41", features = ["log"] }

src/commands.rs

@@ -1,44 +1 @@
-pub mod interactive {
-    use std::path::Path;
-
-    use anyhow::Context;
-
-    use crate::{
-        ssh_command::SshCommandState, ssh_config::SshConfigServiceState, state::State,
-        user_fuzzy_find::UserFuzzyFindState,
-    };
-
-    #[derive(clap::Parser, Default)]
-    pub struct InteractiveCommand {}
-
-    impl InteractiveCommand {
-        pub fn new() -> Self {
-            Self::default()
-        }
-
-        pub async fn execute(&self, state: &State, ssh_config_path: &Path) -> anyhow::Result<()> {
-            // 1. Get a list of items in ~/.ssh/config
-            let items = state
-                .ssh_config_service()
-                .get_ssh_items(ssh_config_path)
-                .await
-                .context("failed to get ssh items")?;
-            tracing::trace!("found ssh items: {:#?}", items);
-
-            // 2. Present the list, and allow the user to choose an item
-            let item = state
-                .user_fuzzy_find()
-                .get_ssh_item_from_user(&items)
-                .await?;
-
-            tracing::debug!("found ssh item: '{}'", item);
-
-            // 3. Perform ssh
-            // call the cmdline parse in all pipes, with the hostname as the destination
-            // ssh something
-            state.ssh_command().start_ssh_session(item).await?;
-
-            Ok(())
-        }
-    }
-}
+pub mod interactive;

src/commands/interactive.rs

@@ -0,0 +1,46 @@
+use std::path::Path;
+
+use anyhow::Context;
+
+use crate::{
+    ssh_command::SshCommandState, ssh_command_database::SshCommandDatabaseState,
+    ssh_config::SshConfigServiceState, state::State, user_fuzzy_find::UserFuzzyFindState,
+};
+
+#[derive(clap::Parser, Default)]
+pub struct InteractiveCommand {}
+
+impl InteractiveCommand {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub async fn execute(&self, state: &State, ssh_config_path: &Path) -> anyhow::Result<()> {
+        // 1. Get a list of items in ~/.ssh/config
+        let mut items = state
+            .ssh_config_service()
+            .get_ssh_items(ssh_config_path)
+            .await
+            .context("failed to get ssh items")?;
+
+        let mut database_items = state.ssh_command_database().get_items().await?;
+        items.append(&mut database_items);
+
+        tracing::trace!("found ssh items: {:#?}", items);
+
+        // 2. Present the list, and allow the user to choose an item
+        let item = state
+            .user_fuzzy_find()
+            .get_ssh_item_from_user(&items)
+            .await?;
+
+        tracing::debug!("found ssh item: '{}'", item);
+
+        // 3. Perform ssh
+        // call the cmdline parse in all pipes, with the hostname as the destination
+        // ssh something
+        state.ssh_command().start_ssh_session(item).await?;
+
+        Ok(())
+    }
+}

src/main.rs

@@ -5,12 +5,14 @@ use clap::Parser;
 use tracing_subscriber::EnvFilter;
 
 use crate::{
-    commands::interactive::InteractiveCommand, ssh_command::SshCommandState, state::State,
+    commands::interactive::InteractiveCommand, ssh_command::SshCommandState,
+    ssh_command_database::SshCommandDatabaseState, state::State,
 };
 
 mod commands;
 
 mod ssh_command;
+mod ssh_command_database;
 mod ssh_config;
 mod state;
 mod user_fuzzy_find;
@@ -72,13 +74,16 @@ async fn main() -> anyhow::Result<()> {
             cmd.execute(&state, &ssh_config_path).await?;
         }
         Subcommands::External(items) => {
+            let items_ref: Vec<&str> = items.iter().map(|i| i.as_str()).collect();
+
             // Send to ssh
             state
                 .ssh_command()
-                .start_ssh_session_from_raw(items.iter().map(|i| i.as_str()).collect())
+                .start_ssh_session_from_raw(&items_ref)
                 .await?;
 
             // Remember result
+            state.ssh_command_database().add_item(&items_ref).await?;
         }
     }
 

src/ssh_command.rs

@@ -12,7 +12,7 @@ impl SshCommand {
 
         // ssh something
         let mut cmd = tokio::process::Command::new("ssh");
-        cmd.arg(host);
+        cmd.args(host);
 
         let mut process = cmd.spawn()?;
         let res = process.wait().await.context("ssh call failed");
@@ -23,7 +23,7 @@ impl SshCommand {
         Ok(())
     }
 
-    pub async fn start_ssh_session_from_raw(&self, raw: Vec<&str>) -> anyhow::Result<()> {
+    pub async fn start_ssh_session_from_raw(&self, raw: &[&str]) -> anyhow::Result<()> {
         let pretty_raw = raw.join(" ");
         tracing::info!("starting ssh session at: {}", pretty_raw);
 

src/ssh_command_database.rs

@@ -0,0 +1,146 @@
+use std::{collections::BTreeMap, path::PathBuf};
+
+use anyhow::Context;
+use serde::{Deserialize, Serialize};
+use tokio::io::AsyncWriteExt;
+
+use crate::{
+    ssh_config::{SshItem, SshItems},
+    state::State,
+};
+
+pub struct SshCommandDatabase {}
+
+impl SshCommandDatabase {
+    pub async fn get_items(&self) -> anyhow::Result<SshItems> {
+        let database_path = self.ensure_get_database_file_path().await?;
+        let database = if database_path.exists() {
+            let content = tokio::fs::read(&database_path)
+                .await
+                .context("failed to read nossh database file")?;
+
+            let database: Database = serde_json::from_slice(&content)?;
+
+            database
+        } else {
+            Database::default()
+        };
+
+        let entries = database.get_entries();
+
+        let ssh_items = entries
+            .into_iter()
+            .map(|e| {
+                (
+                    e.join(" "),
+                    SshItem::Raw {
+                        contents: e.clone(),
+                    },
+                )
+            })
+            .collect();
+
+        Ok(SshItems { items: ssh_items })
+    }
+
+    #[tracing::instrument(skip(self), level = "trace")]
+    pub async fn add_item(&self, raw_session: &[&str]) -> anyhow::Result<()> {
+        tracing::debug!("adding item to database");
+        let database_path = self.ensure_get_database_file_path().await?;
+
+        let mut database = if database_path.exists() {
+            let content = tokio::fs::read(&database_path)
+                .await
+                .context("failed to read nossh database file")?;
+
+            let database: Database = serde_json::from_slice(&content)?;
+
+            database
+        } else {
+            Database::default()
+        };
+
+        database.add_raw(raw_session);
+
+        let mut database_file = tokio::fs::File::create(database_path)
+            .await
+            .context("failed to create nossh database file")?;
+
+        let database_file_content = serde_json::to_vec_pretty(&database)?;
+
+        database_file
+            .write_all(&database_file_content)
+            .await
+            .context("failed to write data to database file")?;
+        database_file
+            .flush()
+            .await
+            .context("failed to flush nossh database file")?;
+
+        Ok(())
+    }
+
+    fn get_database_file_path(&self) -> PathBuf {
+        dirs::data_local_dir()
+            .expect("requires having a data dir, if using nossh")
+            .join("nossh")
+            .join("nossh.database.json")
+    }
+
+    async fn ensure_get_database_file_path(&self) -> anyhow::Result<PathBuf> {
+        let file_dir = self.get_database_file_path();
+
+        if let Some(parent) = file_dir.parent() {
+            tokio::fs::create_dir_all(parent)
+                .await
+                .context("failed to create data dir for nossh")?;
+        }
+
+        Ok(file_dir)
+    }
+}
+
+#[derive(Default, Clone, Serialize, Deserialize)]
+struct Database {
+    entries: BTreeMap<String, DatabaseEntry>,
+}
+impl Database {
+    fn add_raw(&mut self, raw_session: &[&str]) {
+        self.entries.insert(
+            raw_session.join(" "),
+            DatabaseEntry::Raw {
+                contents: raw_session.iter().map(|r| r.to_string()).collect(),
+            },
+        );
+    }
+
+    fn get_entries(&self) -> Vec<&Vec<String>> {
+        let mut items = Vec::new();
+
+        for v in self.entries.values() {
+            match v {
+                DatabaseEntry::Raw { contents } => {
+                    items.push(contents);
+                }
+            }
+        }
+
+        items
+    }
+}
+
+#[derive(Clone, Serialize, Deserialize)]
+#[serde(tag = "entry_type")]
+enum DatabaseEntry {
+    Raw { contents: Vec<String> },
+}
+
+pub trait SshCommandDatabaseState {
+    fn ssh_command_database(&self) -> SshCommandDatabase;
+}
+
+impl SshCommandDatabaseState for State {
+    fn ssh_command_database(&self) -> SshCommandDatabase {
+        SshCommandDatabase {}
+    }
+}

src/ssh_config.rs

@@ -44,25 +44,34 @@ impl SshConfigService {
 }
 
 #[derive(Debug, Clone)]
-pub struct SshItem {
-    host: String,
+pub enum SshItem {
+    Own(String),
+    Raw { contents: Vec<String> },
 }
 
 impl SshItem {
-    pub fn to_host(&self) -> &str {
-        &self.host
+    pub fn to_host(&self) -> Vec<&str> {
+        match self {
+            SshItem::Own(own) => vec![own],
+            SshItem::Raw { contents } => contents.iter().map(|c| c.as_str()).collect(),
+        }
     }
 }
 
 impl Display for SshItem {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.write_str(&self.host)
+        let host = match self {
+            SshItem::Own(o) => o.to_string(),
+            SshItem::Raw { contents } => contents.join(" "),
+        };
+
+        f.write_str(&host)
     }
 }
 
 #[derive(Debug)]
 pub struct SshItems {
-    items: BTreeMap<String, SshItem>,
+    pub items: BTreeMap<String, SshItem>,
 }
 
 impl SshItems {
@@ -73,13 +82,15 @@ impl SshItems {
     pub fn get_choice(&self, choice: &str) -> Option<&SshItem> {
         self.items.get(choice)
     }
+
+    pub fn append(&mut self, other: &mut SshItems) {
+        self.items.append(&mut other.items);
+    }
 }
 
 impl From<&str> for SshItem {
     fn from(value: &str) -> Self {
-        Self {
-            host: value.to_string(),
-        }
+        Self::Own(value.to_string())
     }
 }
 

src/user_fuzzy_find.rs

@@ -55,7 +55,7 @@ impl UserFuzzyFindState for State {
 }
 
 impl SkimItem for SshItem {
-    fn text(&self) -> std::borrow::Cow<str> {
+    fn text(&'_ self) -> std::borrow::Cow<'_, str> {
         format!("{self}").into()
     }
 }