use config conn

Cargo.toml

@@ -11,7 +11,7 @@ anyhow = "1.0.38"
 unicode-width = "0.1"
 sqlx = { version = "0.4.1", features = ["mysql", "chrono", "runtime-tokio-rustls"] }
 chrono = "0.4"
-tokio = { version = "0.2", features = ["full"] }
+tokio = { version = "0.2.22", features = ["full"] }
 futures = "0.3.5"
 serde_json = "1.0"
 serde = "1.0"

src/app.rs

@@ -1,5 +1,5 @@
+use crate::{user_config::UserConfig, utils::get_tables};
 use sqlx::mysql::MySqlPool;
-use sqlx::Row;
 use tui::widgets::{ListState, TableState};
 
 pub enum InputMode {
@@ -11,6 +11,7 @@ pub enum FocusType {
     Dabatases(bool),
     Tables(bool),
     Records(bool),
+    Connections,
 }
 
 #[derive(Clone)]
@@ -89,16 +90,10 @@ impl RecordTable {
 
 impl Database {
     pub async fn new(name: String, pool: &MySqlPool) -> anyhow::Result<Self> {
-        let tables = sqlx::query(format!("show tables from {}", name).as_str())
-            .fetch_all(pool)
-            .await?
-            .iter()
-            .map(|table| Table { name: table.get(0) })
-            .collect::<Vec<Table>>();
         Ok(Self {
             selected_table: ListState::default(),
-            name,
-            tables,
+            name: name.clone(),
+            tables: get_tables(name, pool).await?,
         })
     }
 
@@ -131,7 +126,7 @@ impl Database {
     }
 }
 
-pub struct App {
+pub struct App<'a> {
     pub input: String,
     pub input_mode: InputMode,
     pub messages: Vec<Vec<String>>,
@@ -139,10 +134,13 @@ pub struct App {
     pub databases: Vec<Database>,
     pub record_table: RecordTable,
     pub focus_type: FocusType,
+    pub user_config: Option<UserConfig>,
+    pub selected_connection: ListState,
+    pub pool: Option<&'a MySqlPool>,
 }
 
-impl Default for App {
-    fn default() -> App {
+impl<'a> Default for App<'a> {
+    fn default() -> App<'a> {
         App {
             input: String::new(),
             input_mode: InputMode::Normal,
@@ -151,12 +149,15 @@ impl Default for App {
             databases: Vec::new(),
             record_table: RecordTable::default(),
             focus_type: FocusType::Dabatases(false),
+            user_config: None,
+            selected_connection: ListState::default(),
+            pool: None,
         }
     }
 }
 
-impl App {
-    pub fn next(&mut self) {
+impl<'a> App<'a> {
+    pub fn next_database(&mut self) {
         let i = match self.selected_database.selected() {
             Some(i) => {
                 if i >= self.databases.len() - 1 {
@@ -170,7 +171,7 @@ impl App {
         self.selected_database.select(Some(i));
     }
 
-    pub fn previous(&mut self) {
+    pub fn previous_database(&mut self) {
         let i = match self.selected_database.selected() {
             Some(i) => {
                 if i == 0 {
@@ -183,4 +184,36 @@ impl App {
         };
         self.selected_database.select(Some(i));
     }
+
+    pub fn next_connection(&mut self) {
+        if let Some(config) = &self.user_config {
+            let i = match self.selected_connection.selected() {
+                Some(i) => {
+                    if i >= config.connections.len() - 1 {
+                        0
+                    } else {
+                        i + 1
+                    }
+                }
+                None => 0,
+            };
+            self.selected_connection.select(Some(i));
+        }
+    }
+
+    pub fn previous_connection(&mut self) {
+        if let Some(config) = &self.user_config {
+            let i = match self.selected_database.selected() {
+                Some(i) => {
+                    if i == 0 {
+                        config.connections.len() - 1
+                    } else {
+                        i - 1
+                    }
+                }
+                None => 0,
+            };
+            self.selected_connection.select(Some(i));
+        }
+    }
 }

src/handlers/database_list.rs

@@ -3,7 +3,7 @@ use crate::event::Key;
 use sqlx::mysql::MySqlPool;
 use sqlx::Row;
 
-pub async fn handler(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Result<()> {
+pub async fn handler<'a>(key: Key, app: &mut App<'a>, pool: &MySqlPool) -> anyhow::Result<()> {
     let databases = sqlx::query("show databases")
         .fetch_all(pool)
         .await?

src/handlers/mod.rs

@@ -8,7 +8,7 @@ use futures::TryStreamExt;
 use sqlx::mysql::MySqlPool;
 use sqlx::{Column, Executor, Row, TypeInfo};
 
-pub async fn handle_app(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Result<()> {
+pub async fn handle_app<'a>(key: Key, app: &mut App<'a>, pool: &MySqlPool) -> anyhow::Result<()> {
     match app.input_mode {
         InputMode::Normal => match key {
             Key::Char('e') => {
@@ -35,8 +35,9 @@ pub async fn handle_app(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Re
                 _ => (),
             },
             Key::Up => match app.focus_type {
+                FocusType::Connections => app.previous_connection(),
                 FocusType::Records(true) => app.record_table.previous(),
-                FocusType::Dabatases(true) => app.previous(),
+                FocusType::Dabatases(true) => app.previous_database(),
                 FocusType::Tables(true) => match app.selected_database.selected() {
                     Some(index) => {
                         app.record_table.column_index = 0;
@@ -56,8 +57,9 @@ pub async fn handle_app(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Re
                 _ => (),
             },
             Key::Down => match app.focus_type {
+                FocusType::Connections => app.next_connection(),
                 FocusType::Records(true) => app.record_table.next(),
-                FocusType::Dabatases(true) => app.next(),
+                FocusType::Dabatases(true) => app.next_database(),
                 FocusType::Tables(true) => match app.selected_database.selected() {
                     Some(index) => {
                         app.record_table.column_index = 0;
@@ -77,6 +79,7 @@ pub async fn handle_app(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Re
                 _ => (),
             },
             Key::Enter => match &app.focus_type {
+                FocusType::Connections => app.focus_type = FocusType::Dabatases(true),
                 FocusType::Records(false) => app.focus_type = FocusType::Records(true),
                 FocusType::Dabatases(false) => app.focus_type = FocusType::Dabatases(true),
                 FocusType::Tables(false) => app.focus_type = FocusType::Tables(true),

src/handlers/record_table.rs

@@ -2,6 +2,6 @@ use crate::app::App;
 use crate::event::Key;
 use sqlx::mysql::MySqlPool;
 
-pub async fn handler(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Result<()> {
+pub async fn handler<'a>(key: Key, app: &mut App<'a>, pool: &MySqlPool) -> anyhow::Result<()> {
     Ok(())
 }

src/handlers/table_list.rs

@@ -4,7 +4,7 @@ use futures::TryStreamExt;
 use sqlx::mysql::MySqlPool;
 use sqlx::{Column, Executor, Row, TypeInfo};
 
-pub async fn handler(key: Key, app: &mut App, pool: &MySqlPool) -> anyhow::Result<()> {
+pub async fn handler<'a>(key: Key, app: &mut App<'a>, pool: &MySqlPool) -> anyhow::Result<()> {
     match app.selected_database.selected() {
         Some(index) => {
             &app.databases[index].next();

src/main.rs

@@ -44,13 +44,20 @@ async fn main() -> anyhow::Result<()> {
     let events = event::Events::new(250);
 
     let mut app = &mut app::App::default();
-    let hoge = &config.conn.unwrap()["sample"];
+    app.user_config = Some(config);
+    let conn = &app
+        .user_config
+        .as_ref()
+        .unwrap()
+        .connections
+        .get(0)
+        .unwrap();
     let pool = MySqlPool::connect(
         format!(
             "mysql://{user}:@{host}:{port}",
-            user = hoge.user,
-            host = hoge.host,
-            port = hoge.port
+            user = conn.user,
+            host = conn.host,
+            port = conn.port
         )
         .as_str(),
     )
@@ -66,6 +73,7 @@ async fn main() -> anyhow::Result<()> {
     app.record_table.rows = records;
     app.record_table.headers = headers;
     app.selected_database.select(Some(0));
+    app.focus_type = FocusType::Connections;
 
     terminal.clear()?;
 

src/ui/mod.rs

@@ -8,14 +8,60 @@ use tui::{
     text::{Span, Spans, Text},
     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
     widgets::{
-        Axis, BarChart, Block, Borders, Cell, Chart, Dataset, Gauge, LineGauge, List, ListItem,
-        Paragraph, Row, Sparkline, Table, Tabs, Wrap,
+        Axis, BarChart, Block, Borders, Cell, Chart, Clear, Dataset, Gauge, LineGauge, List,
+        ListItem, Paragraph, Row, Sparkline, Table, Tabs, Wrap,
     },
     Frame,
 };
 use unicode_width::UnicodeWidthStr;
 
 pub fn draw<B: Backend>(f: &mut Frame<'_, B>, app: &mut App) -> anyhow::Result<()> {
+    if let FocusType::Connections = app.focus_type {
+        let percent_x = 60;
+        let percent_y = 50;
+        let conns = &app.user_config.as_ref().unwrap().connections;
+        let connections: Vec<ListItem> = conns
+            .iter()
+            .map(|i| {
+                ListItem::new(vec![Spans::from(Span::raw(&i.name))])
+                    .style(Style::default().fg(Color::White))
+            })
+            .collect();
+        let tasks = List::new(connections)
+            .block(Block::default().borders(Borders::ALL).title("Connections"))
+            .highlight_style(Style::default().fg(Color::Green))
+            .style(match app.focus_type {
+                FocusType::Connections => Style::default().fg(Color::Green),
+                _ => Style::default(),
+            });
+        let popup_layout = Layout::default()
+            .direction(Direction::Vertical)
+            .constraints(
+                [
+                    Constraint::Percentage((100 - percent_y) / 2),
+                    Constraint::Percentage(percent_y),
+                    Constraint::Percentage((100 - percent_y) / 2),
+                ]
+                .as_ref(),
+            )
+            .split(f.size());
+
+        let area = Layout::default()
+            .direction(Direction::Horizontal)
+            .constraints(
+                [
+                    Constraint::Percentage((100 - percent_x) / 2),
+                    Constraint::Percentage(percent_x),
+                    Constraint::Percentage((100 - percent_x) / 2),
+                ]
+                .as_ref(),
+            )
+            .split(popup_layout[1])[1];
+        f.render_widget(Clear, area);
+        f.render_stateful_widget(tasks, area, &mut app.selected_connection);
+        return Ok(());
+    }
+
     let main_chunks = Layout::default()
         .direction(Direction::Vertical)
         .margin(2)

src/user_config.rs

@@ -3,14 +3,14 @@ use std::collections::HashMap;
 use std::fs::File;
 use std::io::{BufReader, Read};
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug)]
 pub struct UserConfig {
-    pub conn: Option<HashMap<String, Connection>>,
+    pub connections: Vec<Connection>,
 }
 
 #[derive(Debug, Deserialize)]
 pub struct Connection {
-    pub name: Option<String>,
+    pub name: String,
     pub user: String,
     pub host: String,
     pub port: u64,
@@ -18,14 +18,30 @@ pub struct Connection {
 
 impl UserConfig {
     pub fn new(path: &str) -> anyhow::Result<Self> {
+        #[derive(Debug, Deserialize)]
+        pub struct ConfigFormat {
+            pub conn: HashMap<String, Connection>,
+        }
+
         let file = File::open(path)?;
         let mut buf_reader = BufReader::new(file);
         let mut contents = String::new();
         buf_reader.read_to_string(&mut contents)?;
 
-        let config: Result<UserConfig, toml::de::Error> = toml::from_str(&contents);
+        let config: Result<ConfigFormat, toml::de::Error> = toml::from_str(&contents);
         match config {
-            Ok(config) => Ok(config),
+            Ok(config) => Ok(UserConfig {
+                connections: config
+                    .conn
+                    .iter()
+                    .map(|(name, conn)| Connection {
+                        name: name.to_string(),
+                        user: conn.user.to_string(),
+                        host: conn.host.to_string(),
+                        port: conn.port,
+                    })
+                    .collect::<Vec<Connection>>(),
+            }),
             Err(e) => panic!("fail to parse config file: {}", e),
         }
     }

src/utils.rs

@@ -19,7 +19,7 @@ pub async fn get_databases(pool: &MySqlPool) -> anyhow::Result<Vec<Database>> {
 }
 
 pub async fn get_tables(database: String, pool: &MySqlPool) -> anyhow::Result<Vec<Table>> {
-    let tables = sqlx::query(format!("show tables from {}", database).as_str())
+    let tables = sqlx::query(format!("show tables from `{}`", database).as_str())
         .fetch_all(pool)
         .await?
         .iter()
@@ -34,11 +34,11 @@ pub async fn get_records(
     pool: &MySqlPool,
 ) -> anyhow::Result<(Vec<String>, Vec<Vec<String>>)> {
     &pool
-        .execute(format!("use {}", database.name).as_str())
+        .execute(format!("use `{}`", database.name).as_str())
         .await?;
-    let table_name = format!("SELECT * FROM {}", table.name);
+    let table_name = format!("SELECT * FROM `{}`", table.name);
     let mut rows = sqlx::query(table_name.as_str()).fetch(pool);
-    let headers = sqlx::query(format!("desc {}", table.name).as_str())
+    let headers = sqlx::query(format!("desc `{}`", table.name).as_str())
         .fetch_all(pool)
         .await?
         .iter()
@@ -93,14 +93,6 @@ pub async fn get_records(
                     let value: String = row.try_get(col_name).unwrap_or("".to_string());
                     row_vec.push(value);
                 }
-                // DATE
-                // VARCHAR
-                // INT UNSIGNED
-                // VARCHAR
-                // ENUM
-                // ENUM
-                // VARCHAR
-                // BOOLEAN
                 _ => (),
             }
         }