feat: add InfluxDB support (#980)

src-tauri/src/commands/connection.rs

@@ -426,6 +426,20 @@ pub async fn test_connection(state: State<'_, Arc<AppState>>, config: Connection
                     .await
                     .map(|_| "Connection successful".to_string())
             }
+            DatabaseType::InfluxDb => {
+                let username = if config.username.is_empty() { None } else { Some(config.username.clone()) };
+                let password = if config.password.is_empty() { None } else { Some(config.password.clone()) };
+                let client = db::influxdb_driver::InfluxdbClient::new_with_ca_cert(
+                    &url,
+                    username,
+                    password,
+                    Some(&config.ca_cert_path),
+                    connect_timeout,
+                )?;
+                db::influxdb_driver::test_connection(&client, connect_timeout)
+                    .await
+                    .map(|_| "Connection successful".to_string())
+            }
             db_type if database_capabilities::is_agent_type(&db_type) => {
                 test_agent_connection(state.inner(), &config, &host, port).await
             }
@@ -617,6 +631,19 @@ pub async fn connect_db(state: State<'_, Arc<AppState>>, config: ConnectionConfi
             db::turso_driver::test_connection(&client, connect_timeout).await?;
             PoolKind::Turso(client)
         }
+        DatabaseType::InfluxDb => {
+            let username = if db_config.username.is_empty() { None } else { Some(db_config.username.clone()) };
+            let password = if db_config.password.is_empty() { None } else { Some(db_config.password.clone()) };
+            let client = db::influxdb_driver::InfluxdbClient::new_with_ca_cert(
+                &url,
+                username,
+                password,
+                Some(&db_config.ca_cert_path),
+                connect_timeout,
+            )?;
+            db::influxdb_driver::test_connection(&client, connect_timeout).await?;
+            PoolKind::InfluxDb(client)
+        }
         db_type if database_capabilities::is_agent_type(&db_type) => {
             connect_agent_pool(state.inner(), &db_config, &host, port).await?
         }