Implemented collecting projectId from Gradle

#KT-45337 Fixed

idea/idea-gradle/src/org/jetbrains/kotlin/idea/statistics/KotlinGradleFUSLogger.kt

@@ -5,12 +5,17 @@
 
 package org.jetbrains.kotlin.idea.statistics
 
+import com.intellij.ide.highlighter.ProjectFileType
 import com.intellij.ide.util.PropertiesComponent
+import com.intellij.internal.statistic.eventLog.EventLogConfiguration
 import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.project.DumbAware
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.startup.StartupActivity
+import com.intellij.openapi.util.io.FileUtil
+import com.intellij.util.PathUtilRt
 import com.intellij.util.concurrency.AppExecutorUtil
+import com.intellij.util.text.trimMiddle
 import org.jetbrains.kotlin.statistics.BuildSessionLogger
 import java.io.File
 import java.util.concurrent.TimeUnit
@@ -20,6 +25,9 @@ import org.jetbrains.kotlin.statistics.fileloggers.MetricsContainer
 import org.jetbrains.kotlin.statistics.metrics.BooleanMetrics
 import org.jetbrains.kotlin.statistics.metrics.NumericalMetrics
 import org.jetbrains.kotlin.statistics.metrics.StringMetrics
+import java.util.*
+import kotlin.collections.ArrayList
+import kotlin.collections.HashMap
 
 class KotlinGradleFUSLogger : StartupActivity, DumbAware, Runnable {
 
@@ -34,6 +42,27 @@ class KotlinGradleFUSLogger : StartupActivity, DumbAware, Runnable {
 
     companion object {
 
+        private val IDE_STRING_ANONYMIZERS = lazy {
+            mapOf(
+                StringMetrics.PROJECT_PATH to { path: String ->
+                    // This code duplicated logics of StatisticsUtil.getProjectId, which could not be directly reused:
+                    // 1. the path of gradle project may not have corresponding project
+                    // 2. the projectId should be stable and independent on IDE version
+                    val presentableUrl = FileUtil.toSystemIndependentName(path)
+                    val name =
+                        PathUtilRt.getFileName(presentableUrl).toLowerCase(Locale.US).removeSuffix(ProjectFileType.DOT_DEFAULT_EXTENSION)
+                    val locationHash = Integer.toHexString((presentableUrl).hashCode())
+                    val projectHash =
+                        "${name.trimMiddle(name.length.coerceAtMost(254 - locationHash.length), useEllipsisSymbol = false)}.$locationHash"
+                    EventLogConfiguration.anonymize(projectHash)
+                })
+        }
+
+        private fun String.anonymizeIdeString(metric: StringMetrics) = if (metric.anonymization.anonymizeOnIdeSize())
+            IDE_STRING_ANONYMIZERS.value[metric]?.invoke(this)
+        else
+            this
+
         /**
          * Maximum amount of directories which were reported as gradle user dirs
          * These directories should be monitored for reported gradle statistics.
@@ -63,7 +92,10 @@ class KotlinGradleFUSLogger : StartupActivity, DumbAware, Runnable {
             for (metric in metrics) {
                 when (metric) {
                     is BooleanMetrics -> putIfNotNull(metric.name, this.getMetric(metric)?.toStringRepresentation())
-                    is StringMetrics -> putIfNotNull(metric.name, this.getMetric(metric)?.toStringRepresentation())
+                    is StringMetrics -> putIfNotNull(
+                        metric.name,
+                        this.getMetric(metric)?.toStringRepresentation()?.anonymizeIdeString(metric)
+                    )
                     is NumericalMetrics -> putIfNotNull(metric.name, this.getMetric(metric)?.toStringRepresentation())
                     is Pair<*, *> -> putIfNotNull(metric.first.toString(), metric.second?.toString())
                 }
@@ -80,7 +112,8 @@ class KotlinGradleFUSLogger : StartupActivity, DumbAware, Runnable {
                 StringMetrics.GRADLE_VERSION,
                 NumericalMetrics.ARTIFACTS_DOWNLOAD_SPEED,
                 StringMetrics.IDES_INSTALLED,
-                BooleanMetrics.EXECUTED_FROM_IDEA
+                BooleanMetrics.EXECUTED_FROM_IDEA,
+                StringMetrics.PROJECT_PATH
             )
             container.log(
                 GradleStatisticsEvents.Kapt,

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/statistics/KotlinBuildStatHandler.kt

@@ -69,6 +69,7 @@ class KotlinBuildStatHandler {
     }
 
     internal fun reportGlobalMetrics(gradle: Gradle, sessionLogger: BuildSessionLogger) {
+        sessionLogger.report(StringMetrics.PROJECT_PATH, gradle.rootProject.projectDir.absolutePath)
         System.getProperty("os.name")?.also {
             sessionLogger.report(StringMetrics.OS_TYPE, System.getProperty("os.name"))
         }

libraries/tools/kotlin-gradle-statistics/src/org/jetbrains/kotlin/statistics/AnonymizerUtils.kt

@@ -11,6 +11,8 @@ internal interface ValueAnonymizer<T> {
 
     fun anonymize(t: T): T
 
+    fun anonymizeOnIdeSize(): Boolean = false
+
 }
 
 internal val salt: String by lazy {

libraries/tools/kotlin-gradle-statistics/src/org/jetbrains/kotlin/statistics/metrics/MetricPolicies.kt

@@ -88,6 +88,10 @@ enum class StringAnonymizationPolicy : ValueAnonymizer<String> {
     SAFE {
         override fun anonymize(t: String) = t
     },
+    ANONYMIZE_IN_IDE {
+        override fun anonymize(t: String) = t
+        override fun anonymizeOnIdeSize() = true
+    },
     SHA_256 {
         override fun anonymize(t: String) = sha256(t)
     },

libraries/tools/kotlin-gradle-statistics/src/org/jetbrains/kotlin/statistics/metrics/StringMetrics.kt

@@ -13,6 +13,7 @@ enum class StringMetrics(val type: StringOverridePolicy, val anonymization: Stri
 
     // User environment
     GRADLE_VERSION(OVERRIDE, COMPONENT_VERSION),
+    PROJECT_PATH(OVERRIDE, ANONYMIZE_IN_IDE),
 
     OS_TYPE(OVERRIDE, SAFE),