[Intellij plugin] Prompt user to update plugin when installed version is lower than minVersion

changelog/@unreleased/pr-410.v2.yml

@@ -0,0 +1,6 @@
+type: improvement
+improvement:
+  description: '[Intellij plugin] Prompt user to update plugin when installed version
+    is lower than minVersion'
+  links:
+  - https://github.com/palantir/gradle-jdks/pull/410

idea-plugin/src/main/java/com/palantir/gradle/jdks/GradleJdksExternalSystemTaskNotificationListener.java

@@ -33,6 +33,7 @@ public void onStart(@NotNull ExternalSystemTaskId id, String _workingDir) {
                         || id.getType() == ExternalSystemTaskType.EXECUTE_TASK)) {
             Project project = id.findProject();
             if (project != null) {
+                project.getService(PluginUpdateCheckerService.class).checkPluginVersion();
                 project.getService(GradleJdksProjectService.class).maybeSetupGradleJdks();
             }
         }

idea-plugin/src/main/java/com/palantir/gradle/jdks/PluginUpdateCheckerService.java

@@ -0,0 +1,77 @@
+/*
+ * (c) Copyright 2024 Palantir Technologies Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.palantir.gradle.jdks;
+
+import com.intellij.externalDependencies.DependencyOnPlugin;
+import com.intellij.externalDependencies.ExternalDependenciesManager;
+import com.intellij.ide.plugins.IdeaPluginDescriptor;
+import com.intellij.ide.plugins.PluginManagerCore;
+import com.intellij.notification.Notification;
+import com.intellij.notification.NotificationGroupManager;
+import com.intellij.notification.NotificationType;
+import com.intellij.openapi.components.Service;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.extensions.PluginId;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.updateSettings.impl.pluginsAdvertisement.PluginsAdvertiser;
+import com.intellij.util.text.VersionComparatorUtil;
+import java.util.Optional;
+import java.util.Set;
+
+@Service(Service.Level.PROJECT)
+public final class PluginUpdateCheckerService {
+
+    private static final String PLUGIN_ID = "palantir-gradle-jdks";
+    private final Logger logger = Logger.getInstance(PluginUpdateCheckerService.class);
+    private final Project project;
+
+    public PluginUpdateCheckerService(Project project) {
+        this.project = project;
+    }
+
+    public void checkPluginVersion() {
+        PluginId pluginId = PluginId.getId(PLUGIN_ID);
+        IdeaPluginDescriptor pluginDescriptor = PluginManagerCore.getPlugin(pluginId);
+        if (pluginDescriptor == null) {
+            logger.info("Plugin " + pluginId + " not found");
+            return;
+        }
+        Optional<String> maybeMinVersion =
+                ExternalDependenciesManager.getInstance(project).getDependencies(DependencyOnPlugin.class).stream()
+                        .filter(dependencyOnPlugin ->
+                                dependencyOnPlugin.getPluginId().equals(pluginId.getIdString()))
+                        .map(DependencyOnPlugin::getMinVersion)
+                        .filter(version -> Optional.ofNullable(version).isPresent())
+                        .max(VersionComparatorUtil::compare);
+        boolean isPluginUpToDate = maybeMinVersion
+                .map(minVersion -> VersionComparatorUtil.compare(pluginDescriptor.getVersion(), minVersion) > 0)
+                .orElse(true);
+        if (isPluginUpToDate) {
+            return;
+        }
+        Notification notification = NotificationGroupManager.getInstance()
+                .getNotificationGroup("Update Palantir plugins")
+                .createNotification(
+                        "Update palantir-gradle-jdks plugin",
+                        String.format(
+                                "Please update the plugin in the Settings window to a version higher than '%s'",
+                                maybeMinVersion.get()),
+                        NotificationType.ERROR);
+        notification.notify(project);
+        PluginsAdvertiser.installAndEnablePlugins(Set.of(PLUGIN_ID), notification::expire);
+    }
+}

idea-plugin/src/main/resources/META-INF/plugin.xml

@@ -12,8 +12,11 @@
 
   <extensions defaultExtensionNs="com.intellij">
     <externalSystemTaskNotificationListener implementation="com.palantir.gradle.jdks.GradleJdksExternalSystemTaskNotificationListener"/>
-      <notificationGroup id="Gradle JDK setup Notifications"
-                         displayType="BALLOON"
-                         key="notification.group.gradleJdkSetup"/>
+    <notificationGroup id="Update Palantir plugins"
+                       displayType="BALLOON"
+                       key="notification.group.gradleJdkSetup.plugins"/>
+    <notificationGroup id="Gradle JDK setup Notifications"
+                       displayType="BALLOON"
+                       key="notification.group.gradleJdkSetup"/>
   </extensions>
 </idea-plugin>