Add file extension type metrics

plugins/core/jetbrains-community/src/software/aws/toolkits/jetbrains/services/telemetry/OpenedFileTypesMetrics.kt

@@ -0,0 +1,58 @@
+// Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package software.aws.toolkits.jetbrains.services.telemetry
+
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.fileEditor.FileEditorManager
+import com.intellij.openapi.fileEditor.FileEditorManagerListener
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.startup.ProjectActivity
+import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.util.Alarm
+import software.aws.toolkits.telemetry.IdeTelemetry
+
+class OpenedFileTypesMetrics : ProjectActivity, Disposable {
+    private val currentOpenedFileTypes = mutableSetOf<String>()
+    private val alarm = Alarm(Alarm.ThreadToUse.POOLED_THREAD, this)
+    override suspend fun execute(project: Project) {
+        // add already open file extensions
+        FileEditorManager.getInstance(project).openFiles.forEach {
+            it.extension?.let { openFileExtension -> currentOpenedFileTypes.add(openFileExtension) }
+        }
+
+        // add newly opened file extensions
+        project.messageBus.connect().subscribe(
+            FileEditorManagerListener.FILE_EDITOR_MANAGER,
+            object : FileEditorManagerListener {
+                override fun fileOpened(source: FileEditorManager, file: VirtualFile) {
+
+                    file.extension?.let { currentOpenedFileTypes.add(it) }
+                }
+            }
+        )
+        scheduleNextMetricEvent()
+    }
+
+    private fun scheduleNextMetricEvent() {
+        alarm.addRequest(this::emitFileTypeMetric, INTERVAL_BETWEEN_METRICS)
+    }
+
+    override fun dispose() {}
+
+    private fun emitFileTypeMetric() {
+        currentOpenedFileTypes.forEach {
+            IdeTelemetry.editCodeFile(project = null, filenameExt = it)
+        }
+        flush()
+        scheduleNextMetricEvent()
+    }
+
+    private fun flush() {
+        currentOpenedFileTypes.clear()
+    }
+
+    companion object {
+        const val INTERVAL_BETWEEN_METRICS = 30 * 60 * 1000
+    }
+}

plugins/core/src/main/resources/META-INF/plugin.xml

@@ -22,5 +22,6 @@
         <!-- each plugin needs its own instance of these -->
         <applicationService serviceImplementation="migration.software.aws.toolkits.jetbrains.core.coroutines.PluginCoroutineScopeTracker"/>
         <projectService serviceImplementation="migration.software.aws.toolkits.jetbrains.core.coroutines.PluginCoroutineScopeTracker"/>
+        <postStartupActivity implementation="software.aws.toolkits.jetbrains.services.telemetry.OpenedFileTypesMetrics" />
     </extensions>
 </idea-plugin>