feature connection alias (#129)

* feature connection alias

* add database_url_with_name method to Connection

* Revert "feature connection alias"

This reverts commit 88b70c1c33.

* fix struct error

* fix review #129

* fix review

* fix type error

src/components/connections.rs

@@ -89,7 +89,7 @@ impl StatefulDrawableComponent for ConnectionsComponent {
         let mut connections: Vec<ListItem> = Vec::new();
         for c in conns {
             connections.push(
-                ListItem::new(vec![Spans::from(Span::raw(c.database_url()?))])
+                ListItem::new(vec![Spans::from(Span::raw(c.database_url_with_name()?))])
                     .style(Style::default()),
             )
         }

src/config.rs

@@ -51,6 +51,7 @@ impl Default for Config {
         Self {
             conn: vec![Connection {
                 r#type: DatabaseType::MySql,
+                name: None,
                 user: Some("root".to_string()),
                 host: Some("localhost".to_string()),
                 port: Some(3306),
@@ -67,6 +68,7 @@ impl Default for Config {
 #[derive(Debug, Deserialize, Clone)]
 pub struct Connection {
     r#type: DatabaseType,
+    name: Option<String>,
     user: Option<String>,
     host: Option<String>,
     port: Option<u64>,
@@ -265,6 +267,19 @@ impl Connection {
         }
     }
 
+    pub fn database_url_with_name(&self) -> anyhow::Result<String> {
+        let database_url = self.database_url()?;
+
+        Ok(match &self.name {
+            Some(name) => format!(
+                "[{name}] {database_url}",
+                name = name,
+                database_url = database_url
+            ),
+            None => database_url,
+        })
+    }
+
     pub fn is_mysql(&self) -> bool {
         matches!(self.r#type, DatabaseType::MySql)
     }