Fetch customizations from LSP server

plugin/src/software/aws/toolkits/eclipse/amazonq/customization/CustomizationUtil.java

@@ -3,11 +3,19 @@
 
 package software.aws.toolkits.eclipse.amazonq.customization;
 
+import java.util.List;
 import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.stream.Collectors;
+
 import org.eclipse.lsp4j.DidChangeConfigurationParams;
+
+import software.amazon.awssdk.utils.StringUtils;
 import software.aws.toolkits.eclipse.amazonq.exception.AmazonQPluginException;
+import software.aws.toolkits.eclipse.amazonq.lsp.model.GetConfigurationFromServerParams;
 import software.aws.toolkits.eclipse.amazonq.providers.LspProvider;
 import software.aws.toolkits.eclipse.amazonq.util.PluginLogger;
+import software.aws.toolkits.eclipse.amazonq.views.model.Customization;
 
 public final class CustomizationUtil {
 
@@ -26,4 +34,17 @@ public static void triggerChangeConfigurationNotification(final Map<String, Obje
         }
     }
 
+    public static CompletableFuture<List<Customization>> listCustomizations() {
+        GetConfigurationFromServerParams params = new GetConfigurationFromServerParams();
+        params.setSection("aws.q");
+        return LspProvider.getAmazonQServer()
+                .thenCompose(server -> server.getConfigurationFromServer(params))
+                .thenApply(customizations -> customizations.stream()
+                    .filter(customization -> customization != null && StringUtils.isNotBlank(customization.getName()))
+                    .collect(Collectors.toList()))
+                .exceptionally(throwable -> {
+                    PluginLogger.error("Error occurred while fetching the list of customizations", throwable);
+                    throw new AmazonQPluginException(throwable);
+               });
+    }
 }

plugin/src/software/aws/toolkits/eclipse/amazonq/lsp/AmazonQLspServer.java

@@ -2,6 +2,7 @@
 
 package software.aws.toolkits.eclipse.amazonq.lsp;
 
+import java.util.List;
 import java.util.concurrent.CompletableFuture;
 
 import org.eclipse.lsp4j.jsonrpc.messages.ResponseMessage;
@@ -12,9 +13,11 @@
 import software.aws.toolkits.eclipse.amazonq.chat.models.ChatRequestParams;
 import software.aws.toolkits.eclipse.amazonq.chat.models.ChatResult;
 import software.aws.toolkits.eclipse.amazonq.chat.models.GenericTabParams;
+import software.aws.toolkits.eclipse.amazonq.lsp.model.GetConfigurationFromServerParams;
 import software.aws.toolkits.eclipse.amazonq.lsp.model.InlineCompletionParams;
 import software.aws.toolkits.eclipse.amazonq.lsp.model.InlineCompletionResponse;
 import software.aws.toolkits.eclipse.amazonq.lsp.model.UpdateCredentialsPayload;
+import software.aws.toolkits.eclipse.amazonq.views.model.Customization;
 
 public interface AmazonQLspServer extends LanguageServer {
 
@@ -33,4 +36,6 @@ public interface AmazonQLspServer extends LanguageServer {
     @JsonRequest("aws/credentials/token/update")
     CompletableFuture<ResponseMessage> updateTokenCredentials(UpdateCredentialsPayload payload);
 
+    @JsonRequest("aws/getConfigurationFromServer")
+    CompletableFuture<List<Customization>> getConfigurationFromServer(GetConfigurationFromServerParams params);
 }

plugin/src/software/aws/toolkits/eclipse/amazonq/lsp/model/GetConfigurationFromServerParams.java

@@ -0,0 +1,16 @@
+// Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package software.aws.toolkits.eclipse.amazonq.lsp.model;
+
+public class GetConfigurationFromServerParams {
+    private String section;
+
+    public final String getSection() {
+        return this.section;
+    }
+
+    public final void setSection(final String section) {
+        this.section = section;
+    }
+}

plugin/src/software/aws/toolkits/eclipse/amazonq/views/CustomizationDialog.java

@@ -3,9 +3,13 @@
 
 package software.aws.toolkits.eclipse.amazonq.views;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.swt.SWT;
@@ -20,11 +24,13 @@
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import software.amazon.awssdk.utils.StringUtils;
 import software.aws.toolkits.eclipse.amazonq.configuration.PluginStore;
 import software.aws.toolkits.eclipse.amazonq.customization.CustomizationUtil;
+import software.aws.toolkits.eclipse.amazonq.exception.AmazonQPluginException;
 import software.aws.toolkits.eclipse.amazonq.util.Constants;
 import software.aws.toolkits.eclipse.amazonq.util.PluginLogger;
 import software.aws.toolkits.eclipse.amazonq.util.ThreadingUtils;
@@ -80,7 +86,7 @@ public CustomizationDialog(final Shell parentShell) {
         super(parentShell);
     }
 
-    public void setCustomisationResponse(final List<Customization> customizationsResponse) {
+    public void setCustomizationResponse(final List<Customization> customizationsResponse) {
         this.customizationsResponse = customizationsResponse;
     }
 
@@ -115,7 +121,7 @@ protected void okPressed() {
         PluginLogger.info(String.format("Select pressed with responseSelection:%s and selectedArn:%s", this.responseSelection, this.selectedCustomisationArn));
         if (this.responseSelection.equals(ResponseSelection.AMAZON_Q_FOUNDATION_DEFAULT)) {
             PluginStore.remove(Constants.CUSTOMIZATION_STORAGE_INTERNAL_KEY);
-        } else {
+        } else if (this.selectedCustomisationArn != null) {
             PluginStore.put(Constants.CUSTOMIZATION_STORAGE_INTERNAL_KEY, this.selectedCustomisationArn);
             Map<String, Object> updatedSettings = new HashMap<>();
             Map<String, String> internalMap = new HashMap<>();
@@ -157,22 +163,19 @@ private static void addFormattedOption(final Combo combo, final String name, fin
         combo.add(formattedText);
     }
 
-    private void createDropdownForCustomizations(final Composite parent) {
-        Composite contentComposite = new Composite(parent, SWT.NONE);
-        GridLayout layout = new GridLayout(2, false);
-        layout.marginLeft = 18;
-        contentComposite.setLayout(layout);
-        GridData layoutData = new GridData(SWT.FILL, SWT.CENTER, true, false);
-        layoutData.horizontalSpan = 2;
-        contentComposite.setLayoutData(layoutData);
-        combo = new Combo(contentComposite, SWT.READ_ONLY);
-        combo.setLayout(new GridLayout());
-        GridData comboGridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
-        comboGridData.horizontalAlignment = GridData.FILL;
-        comboGridData.grabExcessHorizontalSpace = true;
-        comboGridData.horizontalSpan = 2;
-        combo.setLayoutData(comboGridData);
-        List<Customization> customizations = this.customizationsResponse;
+    private List<Customization> getCustomizations() {
+        List<Customization> customizations = new ArrayList<>();
+        try {
+            customizations = CustomizationUtil.listCustomizations().get();
+        } catch (InterruptedException | ExecutionException e) {
+            PluginLogger.error("Error occurred in getCustomizations", e);
+            throw new AmazonQPluginException(e);
+        }
+        return customizations;
+    }
+
+    private void updateComboOnUIThread(final List<Customization> customizations) {
+        combo.removeAll();
         int defaultSelectedDropdownIndex = -1;
         for (int index = 0; index < customizations.size(); index++) {
             addFormattedOption(combo, customizations.get(index).getName(), customizations.get(index).getDescription());
@@ -186,6 +189,8 @@ private void createDropdownForCustomizations(final Composite parent) {
         combo.select(defaultSelectedDropdownIndex);
         if (this.responseSelection.equals(ResponseSelection.AMAZON_Q_FOUNDATION_DEFAULT)) {
             combo.setEnabled(false);
+        } else {
+            combo.setEnabled(true);
         }
         combo.addSelectionListener(new SelectionAdapter() {
             @Override
@@ -199,6 +204,30 @@ public void widgetSelected(final SelectionEvent e) {
         });
     }
 
+    private void createDropdownForCustomizations(final Composite parent) {
+        Composite contentComposite = new Composite(parent, SWT.NONE);
+        GridLayout layout = new GridLayout(2, false);
+        layout.marginLeft = 18;
+        contentComposite.setLayout(layout);
+        GridData layoutData = new GridData(SWT.FILL, SWT.CENTER, true, false);
+        layoutData.horizontalSpan = 2;
+        contentComposite.setLayoutData(layoutData);
+        combo = new Combo(contentComposite, SWT.READ_ONLY);
+        combo.setLayout(new GridLayout());
+        GridData comboGridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
+        comboGridData.horizontalAlignment = GridData.FILL;
+        comboGridData.grabExcessHorizontalSpace = true;
+        comboGridData.horizontalSpan = 2;
+        combo.setLayoutData(comboGridData);
+
+        combo.setItems(new String[]{"Loading..."});
+        combo.select(0);
+        combo.setEnabled(false);
+
+        CompletableFuture.supplyAsync(() -> getCustomizations())
+                .thenAcceptAsync(customizations -> updateComboOnUIThread(customizations), Display.getDefault()::asyncExec);
+    }
+
     @Override
     protected Control createDialogArea(final Composite parent) {
         container = (Composite) super.createDialogArea(parent);

plugin/src/software/aws/toolkits/eclipse/amazonq/views/actions/CustomizationDialogContributionItem.java

@@ -3,8 +3,6 @@
 
 package software.aws.toolkits.eclipse.amazonq.views.actions;
 
-import java.util.ArrayList;
-import java.util.List;
 import org.eclipse.jface.action.ContributionItem;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
@@ -21,7 +19,6 @@
 import software.aws.toolkits.eclipse.amazonq.util.Constants;
 import software.aws.toolkits.eclipse.amazonq.views.CustomizationDialog;
 import software.aws.toolkits.eclipse.amazonq.views.CustomizationDialog.ResponseSelection;
-import software.aws.toolkits.eclipse.amazonq.views.model.Customization;
 
 public final class CustomizationDialogContributionItem extends ContributionItem implements AuthStatusChangedListener {
     private static final String CUSTOMIZATION_MENU_ITEM_TEXT = "Select Customization";
@@ -48,14 +45,6 @@ public void onAuthStatusChanged(final boolean isLoggedIn) {
         updateVisibility(isLoggedIn);
     }
 
-    private List<Customization> getCustomizations() {
-        List<Customization> customizations = new ArrayList<>();
-        customizations.add(new Customization("customization-arn-1", "Customization 1", "Code Whisperer customization 1"));
-        customizations.add(new Customization("customization-arn-2", "Customization 2", "Code Whisperer customization 2"));
-        customizations.add(new Customization("customization-arn-3", "Customization 3", "Code Whisperer customization 3"));
-        return customizations;
-    }
-
     @Override
     public void fill(final Menu menu, final int index) {
         MenuItem menuItem = new MenuItem(menu, SWT.NONE, index);
@@ -64,8 +53,6 @@ public void fill(final Menu menu, final int index) {
             @Override
             public void widgetSelected(final SelectionEvent e) {
                 CustomizationDialog dialog = new CustomizationDialog(shell);
-                // TODO: This mock will be replaced by an actual call to LSP
-                dialog.setCustomisationResponse(getCustomizations());
                 String storedCustomizationArn = PluginStore.get(Constants.CUSTOMIZATION_STORAGE_INTERNAL_KEY);
                 if (StringUtils.isBlank(storedCustomizationArn)) {
                     dialog.setResponseSelection(ResponseSelection.AMAZON_Q_FOUNDATION_DEFAULT);