From 15167831293d30a3153b6b54d74b3e844c4a44ac Mon Sep 17 00:00:00 2001
From: alisawavezen12 <dobruniaqwerty@gmail.com>
Date: Wed, 14 Oct 2026 17:01:50 +0300
Subject: [PATCH 1/4] Add compound index for repetition release lookups

---
 ...0000-add-repetition-group-release-index.js | 58 +++++++++++++++++++
 src/resolvers/project.js                      |  8 +++
 test/resolvers/project.test.ts                |  5 ++
 3 files changed, 71 insertions(+)
 create mode 100644 migrations/20261014000000-add-repetition-group-release-index.js

diff --git a/migrations/20261014000000-add-repetition-group-release-index.js b/migrations/20261014000000-add-repetition-group-release-index.js
new file mode 100644
index 00000000..8c110a7d
--- /dev/null
+++ b/migrations/20261014000000-add-repetition-group-release-index.js
@@ -0,0 +1,58 @@
+const { MongoClient } = require('mongodb');
+
+const REPETITIONS_INDEX_NAME = 'groupHashAndRelease';
+
+/**
+ * Run an operation against the events database.
+ *
+ * @param {Function} callback - operation to run
+ */
+async function withEventsDatabase(callback) {
+  const url = process.env.MONGO_EVENTS_DB_URL;
+
+  if (!url) {
+    throw new Error('MONGO_EVENTS_DB_URL must be set to migrate repetition indexes');
+  }
+
+  const client = new MongoClient(url);
+
+  try {
+    await client.connect();
+
+    return await callback(client.db());
+  } finally {
+    await client.close();
+  }
+}
+
+module.exports = {
+  async up() {
+    await withEventsDatabase(async db => {
+      const collections = await db.listCollections({ name: /^repetitions:/ }, { nameOnly: true }).toArray();
+
+      for (const { name } of collections) {
+        await db.collection(name).createIndex({
+          groupHash: 1,
+          release: 1,
+        }, {
+          name: REPETITIONS_INDEX_NAME,
+        });
+      }
+    });
+  },
+
+  async down() {
+    await withEventsDatabase(async db => {
+      const collections = await db.listCollections({ name: /^repetitions:/ }, { nameOnly: true }).toArray();
+
+      for (const { name } of collections) {
+        await db.collection(name).dropIndex(REPETITIONS_INDEX_NAME)
+          .catch(error => {
+            if (error.codeName !== 'IndexNotFound' && error.code !== 27) {
+              throw error;
+            }
+          });
+      }
+    });
+  },
+};
diff --git a/src/resolvers/project.js b/src/resolvers/project.js
index 40bfb51e..310f54d6 100644
--- a/src/resolvers/project.js
+++ b/src/resolvers/project.js
@@ -13,6 +13,7 @@ const { GitHubService } = require('../integrations/github/service');
 
 const EVENTS_GROUP_HASH_INDEX_NAME = 'groupHashUnique';
 const REPETITIONS_GROUP_HASH_INDEX_NAME = 'groupHash_hashed';
+const REPETITIONS_GROUP_HASH_AND_RELEASE_INDEX_NAME = 'groupHashAndRelease';
 const REPETITIONS_USER_ID_INDEX_NAME = 'userId';
 const REPETITIONS_TIMESTAMP_INDEX_NAME = 'timestamp';
 const EVENTS_TIMESTAMP_INDEX_NAME = 'timestamp';
@@ -409,6 +410,13 @@ module.exports = {
         name: REPETITIONS_GROUP_HASH_INDEX_NAME,
       });
 
+      await projectRepetitionsEventsCollection.createIndex({
+        groupHash: 1,
+        release: 1,
+      }, {
+        name: REPETITIONS_GROUP_HASH_AND_RELEASE_INDEX_NAME,
+      });
+
       await projectRepetitionsEventsCollection.createIndex({
         'payload.user.id': 1,
       }, {
diff --git a/test/resolvers/project.test.ts b/test/resolvers/project.test.ts
index 00a4a907..ea894eb0 100644
--- a/test/resolvers/project.test.ts
+++ b/test/resolvers/project.test.ts
@@ -596,6 +596,11 @@ describe('Project Resolver - createProject', () => {
       context
     );
 
+    expect(repetitionsCollectionMock.createIndex).toHaveBeenCalledWith(
+      { groupHash: 1, release: 1 },
+      { name: 'groupHashAndRelease' }
+    );
+
     expect(repetitionsCollectionMock.createIndex).toHaveBeenCalledWith(
       { timestamp: 1 },
       { name: 'timestamp', sparse: true }

From 981b7925d6876dfd6c603d949479368b80a75334 Mon Sep 17 00:00:00 2001
From: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Date: Wed, 14 Oct 2026 14:04:20 +0000
Subject: [PATCH 2/4] Bump version up to 1.5.17

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 2319788e..3f359ea0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hawk.api",
-  "version": "1.5.16",
+  "version": "1.5.17",
   "main": "index.ts",
   "license": "BUSL-1.1",
   "scripts": {

From 8b870fce4a26922329eca0d50d745487681b2477 Mon Sep 17 00:00:00 2001
From: alisawavezen12 <dobruniaqwerty@gmail.com>
Date: Wed, 14 Oct 2026 17:07:41 +0300
Subject: [PATCH 3/4] version

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 3f359ea0..85f560d3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hawk.api",
-  "version": "1.5.17",
+  "version": "1.6.0",
   "main": "index.ts",
   "license": "BUSL-1.1",
   "scripts": {

From 799f2069c665f10b119beb4e6b99b86e0477b430 Mon Sep 17 00:00:00 2001
From: alisawavezen12 <dobruniaqwerty@gmail.com>
Date: Wed, 14 Oct 2026 17:18:46 +0300
Subject: [PATCH 4/4] chore

---
 src/resolvers/project.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/resolvers/project.js b/src/resolvers/project.js
index 310f54d6..2e82f6c0 100644
--- a/src/resolvers/project.js
+++ b/src/resolvers/project.js
@@ -410,6 +410,9 @@ module.exports = {
         name: REPETITIONS_GROUP_HASH_INDEX_NAME,
       });
 
+      /**
+       * Used by the release validator to find the releases in which each event occurred.
+       */
       await projectRepetitionsEventsCollection.createIndex({
         groupHash: 1,
         release: 1,