feat: hide the deploy button when the Dokku server is not connected

backend/server/src/SSHSocketClient.ts

@@ -13,7 +13,10 @@ export class SSHSocketClient {
   private conn: Client
   private config: SSHConfig
   private socketPath: string
-  private isConnected: boolean = false
+  private _isConnected: boolean = false
+  public get isConnected(): boolean {
+    return this._isConnected
+  }
 
   // Constructor initializes the SSH client and sets up configuration
   constructor(config: SSHConfig, socketPath: string) {
@@ -34,7 +37,7 @@ export class SSHSocketClient {
   private closeConnection() {
     console.log("Closing SSH connection...")
     this.conn.end()
-    this.isConnected = false
+    this._isConnected = false
     process.exit(0)
   }
 
@@ -44,17 +47,17 @@ export class SSHSocketClient {
       this.conn
         .on("ready", () => {
           console.log("SSH connection established")
-          this.isConnected = true
+          this._isConnected = true
           resolve()
         })
         .on("error", (err) => {
           console.error("SSH connection error:", err)
-          this.isConnected = false
+          this._isConnected = false
           reject(err)
         })
         .on("close", () => {
           console.log("SSH connection closed")
-          this.isConnected = false
+          this._isConnected = false
         })
         .connect(this.config)
     })

backend/server/src/Sandbox.ts

@@ -170,8 +170,20 @@ export class Sandbox {
 
     // Handle checking if an app exists
     const handleAppExists: SocketHandler = async ({ appName }) => {
-      if (!this.dokkuClient)
-        throw new Error("Failed to check app existence: No Dokku client")
+      if (!this.dokkuClient) {
+        console.log("Failed to check app existence: No Dokku client")
+        return {
+          success: false,
+        }
+      }
+      if (!this.dokkuClient.isConnected) {
+        console.log(
+          "Failed to check app existence: The Dokku client is not connected"
+        )
+        return {
+          success: false,
+        }
+      }
       return {
         success: true,
         exists: await this.dokkuClient.appExists(appName),