From e5fa57f470ef8ac004315ff0f2d5584e18b3fb9e Mon Sep 17 00:00:00 2001
From: rainxchzed <undefineduser087@gmail.com>
Date: Tue, 28 Apr 2026 14:35:06 +0500
Subject: [PATCH] Stop sending hashed search queries to the legacy /v1/events
 pipeline

---
 .../zed/rainxch/core/data/dto/EventRequest.kt   |  1 -
 .../data/repository/TelemetryRepositoryImpl.kt  |  9 ++++-----
 .../zed/rainxch/core/data/utils/QueryHash.kt    | 17 -----------------
 .../domain/repository/TelemetryRepository.kt    |  2 +-
 .../search/presentation/SearchViewModel.kt      |  1 -
 5 files changed, 5 insertions(+), 25 deletions(-)
 delete mode 100644 core/data/src/commonMain/kotlin/zed/rainxch/core/data/utils/QueryHash.kt

diff --git a/core/data/src/commonMain/kotlin/zed/rainxch/core/data/dto/EventRequest.kt b/core/data/src/commonMain/kotlin/zed/rainxch/core/data/dto/EventRequest.kt
index 1ec3b4628..3ff0b1c16 100644
--- a/core/data/src/commonMain/kotlin/zed/rainxch/core/data/dto/EventRequest.kt
+++ b/core/data/src/commonMain/kotlin/zed/rainxch/core/data/dto/EventRequest.kt
@@ -9,7 +9,6 @@ data class EventRequest(
     val appVersion: String? = null,
     val eventType: String,
     val repoId: Long? = null,
-    val queryHash: String? = null,
     val resultCount: Int? = null,
     val success: Boolean? = null,
     val errorCode: String? = null,
diff --git a/core/data/src/commonMain/kotlin/zed/rainxch/core/data/repository/TelemetryRepositoryImpl.kt b/core/data/src/commonMain/kotlin/zed/rainxch/core/data/repository/TelemetryRepositoryImpl.kt
index a36428895..9a720a33f 100644
--- a/core/data/src/commonMain/kotlin/zed/rainxch/core/data/repository/TelemetryRepositoryImpl.kt
+++ b/core/data/src/commonMain/kotlin/zed/rainxch/core/data/repository/TelemetryRepositoryImpl.kt
@@ -11,7 +11,6 @@ import kotlinx.coroutines.withContext
 import zed.rainxch.core.data.BuildKonfig
 import zed.rainxch.core.data.dto.EventRequest
 import zed.rainxch.core.data.network.BackendApiClient
-import zed.rainxch.core.data.utils.hashQuery
 import zed.rainxch.core.domain.logging.GitHubStoreLogger
 import zed.rainxch.core.domain.model.Platform
 import zed.rainxch.core.domain.repository.DeviceIdentityRepository
@@ -42,10 +41,12 @@ class TelemetryRepositoryImpl(
 
     // ── recording (fire-and-forget, guarded by opt-in) ──────────────
 
-    override fun recordSearchPerformed(query: String, resultCount: Int) {
+    override fun recordSearchPerformed(resultCount: Int) {
+        // Query intentionally dropped: a 16-hex SHA-256 prefix of a
+        // lowercased repo-name search is rainbow-table-trivial. The
+        // count-only signal here is what survives.
         enqueue(
             eventType = "search_performed",
-            queryHash = hashQuery(query),
             resultCount = resultCount,
         )
     }
@@ -240,7 +241,6 @@ class TelemetryRepositoryImpl(
     private fun enqueue(
         eventType: String,
         repoId: Long? = null,
-        queryHash: String? = null,
         resultCount: Int? = null,
         success: Boolean? = null,
         errorCode: String? = null,
@@ -256,7 +256,6 @@ class TelemetryRepositoryImpl(
                 appVersion = BuildKonfig.VERSION_NAME,
                 eventType = eventType,
                 repoId = repoId,
-                queryHash = queryHash,
                 resultCount = resultCount,
                 success = success,
                 errorCode = errorCode,
diff --git a/core/data/src/commonMain/kotlin/zed/rainxch/core/data/utils/QueryHash.kt b/core/data/src/commonMain/kotlin/zed/rainxch/core/data/utils/QueryHash.kt
deleted file mode 100644
index bd43067b2..000000000
--- a/core/data/src/commonMain/kotlin/zed/rainxch/core/data/utils/QueryHash.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package zed.rainxch.core.data.utils
-
-import java.security.MessageDigest
-
-fun hashQuery(query: String): String {
-    val normalized = query.trim().lowercase()
-    if (normalized.isEmpty()) return ""
-    val digest = MessageDigest.getInstance("SHA-256").digest(normalized.encodeToByteArray())
-    val hex = buildString(digest.size * 2) {
-        for (byte in digest) {
-            val v = byte.toInt() and 0xff
-            if (v < 0x10) append('0')
-            append(v.toString(16))
-        }
-    }
-    return hex.take(16)
-}
diff --git a/core/domain/src/commonMain/kotlin/zed/rainxch/core/domain/repository/TelemetryRepository.kt b/core/domain/src/commonMain/kotlin/zed/rainxch/core/domain/repository/TelemetryRepository.kt
index d5e394d95..a1d7a305b 100644
--- a/core/domain/src/commonMain/kotlin/zed/rainxch/core/domain/repository/TelemetryRepository.kt
+++ b/core/domain/src/commonMain/kotlin/zed/rainxch/core/domain/repository/TelemetryRepository.kt
@@ -1,7 +1,7 @@
 package zed.rainxch.core.domain.repository
 
 interface TelemetryRepository {
-    fun recordSearchPerformed(query: String, resultCount: Int)
+    fun recordSearchPerformed(resultCount: Int)
 
     fun recordSearchResultClicked(repoId: Long)
 
diff --git a/feature/search/presentation/src/commonMain/kotlin/zed/rainxch/search/presentation/SearchViewModel.kt b/feature/search/presentation/src/commonMain/kotlin/zed/rainxch/search/presentation/SearchViewModel.kt
index 17f9530af..e9cf05431 100644
--- a/feature/search/presentation/src/commonMain/kotlin/zed/rainxch/search/presentation/SearchViewModel.kt
+++ b/feature/search/presentation/src/commonMain/kotlin/zed/rainxch/search/presentation/SearchViewModel.kt
@@ -412,7 +412,6 @@ class SearchViewModel(
 
                     if (isInitial) {
                         telemetryRepository.recordSearchPerformed(
-                            query = query,
                             resultCount = _state.value.repositories.size,
                         )
                     }