Add user feedback for exchange configuration

- Show loading state while connecting to exchange
- Display success/error messages in the form
- Prevent double-submission with disabled button
- Add 30-second timeout with error message
- Register handler for Exchange_connection_result message
- Reload page after successful connection (with delay to show message)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/static/exchanges.js

@@ -3,6 +3,7 @@ class Exchanges {
         this.exchanges = {};
         this.balances = {};
         this.connected_exchanges = [];
+        this.isSubmitting = false;
     }
 
     initialize() {
@@ -12,36 +13,100 @@ class Exchanges {
 
         // Extract the text content from each span and store it in the connected_exchanges array
         this.connected_exchanges = Array.from(spans).map(span => span.textContent.trim());
+
+        // Register handler for exchange connection results
+        if (window.UI && window.UI.data && window.UI.data.comms) {
+            window.UI.data.comms.on('Exchange_connection_result', this.handleConnectionResult.bind(this));
+        }
     }
 
-
     status() {
+        // Reset form state when opening
+        this.resetFormState();
         document.getElementById('exchanges_config_form').style.display = "grid";
     }
 
     closeForm() {
+        this.resetFormState();
         document.getElementById('exchanges_config_form').style.display = "none";
     }
 
+    resetFormState() {
+        this.isSubmitting = false;
+        const statusEl = document.getElementById('exchange_status');
+        const connectBtn = document.getElementById('exchange_connect_btn');
+
+        if (statusEl) {
+            statusEl.style.display = 'none';
+            document.getElementById('exchange_status_text').textContent = '';
+        }
+        if (connectBtn) {
+            connectBtn.disabled = false;
+            connectBtn.textContent = 'Connect';
+        }
+    }
+
+    showStatus(message, type) {
+        const statusEl = document.getElementById('exchange_status');
+        const statusText = document.getElementById('exchange_status_text');
+
+        if (statusEl && statusText) {
+            statusText.textContent = message;
+            statusEl.style.display = 'block';
+
+            // Set color based on type
+            if (type === 'loading') {
+                statusEl.style.color = '#666';
+                statusEl.style.backgroundColor = '#f0f0f0';
+            } else if (type === 'success') {
+                statusEl.style.color = '#155724';
+                statusEl.style.backgroundColor = '#d4edda';
+            } else if (type === 'error') {
+                statusEl.style.color = '#721c24';
+                statusEl.style.backgroundColor = '#f8d7da';
+            }
+        }
+    }
+
     validateApiKey(data) {
         return !(data === undefined || data === null || data === "");
     }
 
-    postConnection(data) {
+    handleConnectionResult(data) {
+        this.isSubmitting = false;
+        const connectBtn = document.getElementById('exchange_connect_btn');
+
+        if (connectBtn) {
+            connectBtn.disabled = false;
+            connectBtn.textContent = 'Connect';
+        }
+
         if (data.status === 'success') {
-             // Trigger a page reload
+            this.showStatus('Exchange connected successfully! Reloading...', 'success');
+            // Reload after a brief delay so user sees the success message
+            setTimeout(() => {
                 location.reload();
-        }
+            }, 1500);
-        else if (data.status === 'already_connected') {
+        } else if (data.status === 'already_connected') {
-            alert(data.message);
+            this.showStatus(data.message || 'Exchange is already connected.', 'error');
-        }
+        } else if (data.status === 'failure' || data.status === 'error') {
-        else if (data.status === 'failure') {
+            this.showStatus(data.message || 'Failed to connect exchange.', 'error');
-            alert(data.message);
+        } else {
+            this.showStatus(data.message || 'Unknown response from server.', 'error');
         }
     }
 
+    // Legacy handler for backwards compatibility
+    postConnection(data) {
+        this.handleConnectionResult(data);
+    }
 
     submitApi() {
+        // Prevent double submission
+        if (this.isSubmitting) {
+            return;
+        }
+
         // Collect the data to submit.
         let exchange = document.getElementById('c_exchanges').value;
         let user = window.UI.data.user_name;
@@ -59,16 +124,33 @@ class Exchanges {
             keys = {};  // Clear keys for public exchanges
         } else if (!isKeyValid || !isSecretKeyValid) {
             // Validate keys for non-public exchanges
-            alert('Enter a valid API key and secret key to register.');
+            this.showStatus('Please enter a valid API key and secret key.', 'error');
             return;  // Exit early if validation fails
         }
 
-        // Send the data if validation passes or no validation is required.
+        // Show loading state
+        this.isSubmitting = true;
+        const connectBtn = document.getElementById('exchange_connect_btn');
+        if (connectBtn) {
+            connectBtn.disabled = true;
+            connectBtn.textContent = 'Connecting...';
+        }
+        this.showStatus('Connecting to exchange...', 'loading');
+
+        // Send the data
         let payload = { 'user': user, 'exch': exchange, 'keys': keys };
         window.UI.data.comms.sendToApp("config_exchange", payload);
-        this.closeForm();
 
-        // Refreshes the current page
+        // Set a timeout in case we don't get a response
-        // setTimeout(function() { location.reload(); }, 200);
+        setTimeout(() => {
+            if (this.isSubmitting) {
+                this.isSubmitting = false;
+                if (connectBtn) {
+                    connectBtn.disabled = false;
+                    connectBtn.textContent = 'Connect';
+                }
+                this.showStatus('Connection timed out. Please try again.', 'error');
+            }
+        }, 30000);  // 30 second timeout
     }
 }

src/templates/exchange_config_popup.html

@@ -17,10 +17,15 @@
                 <label for="api_secret_key" style="grid-column: 1; grid-row: 4;">API SECRET KEY:</label>
                 <input name="api_secret_key" id="api_secret_key" style="grid-column: 2 / span 3; grid-row: 4;">
 
+                    <!-- Status message area (row 6/8) -->
+                    <div id="exchange_status" style="grid-column: 1 / span 4; grid-row: 6; text-align: center; padding: 10px; display: none;">
+                        <span id="exchange_status_text"></span>
+                    </div>
+
                     <!-- buttons  (row 8/8)-->
                     <div style="grid-column: 1 / span 4; grid-row: 8;">
                         <button type="button" class="btn cancel" onclick="UI.exchanges.closeForm()">Close</button>
-                        <button type="button" class="btn next" onclick="UI.exchanges.submitApi()">Connect</button>
+                        <button type="button" id="exchange_connect_btn" class="btn next" onclick="UI.exchanges.submitApi()">Connect</button>
                     </div>
 
             </div><!----End panel 1--------->