From 5d7cadbe02167aa3c7dd5f3cb5912d32194223e8 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Fri, 31 Jul 2026 14:02:44 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=20Bolt:=20Optimize=20user=20lesson=20?=
 =?UTF-8?q?progress=20queries=20on=20dashboard=20and=20courses=20pages?=
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- Scoped user's lesson progress queries to the relevant lesson IDs that belong to the loaded courses.
- Reduces database payload size, lowers network latency, and reduces memory consumption under large user lesson histories.
- Verified with full test suites, linters, and type-checks passing.

Co-authored-by: projectamazonph <286085559+projectamazonph@users.noreply.github.com>
---
 src/app/(dashboard)/courses/page.tsx   | 17 ++++++++++++-----
 src/app/(dashboard)/dashboard/page.tsx | 17 ++++++++++++-----
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/src/app/(dashboard)/courses/page.tsx b/src/app/(dashboard)/courses/page.tsx
index 1d0c6c3..89e74db 100644
--- a/src/app/(dashboard)/courses/page.tsx
+++ b/src/app/(dashboard)/courses/page.tsx
@@ -37,11 +37,18 @@ export default async function CoursesIndexPage() {
     },
   });
 
-  // Get user's lesson progress
-  const lessonProgress = await db.lessonProgress.findMany({
-    where: { userId: user.id, deletedAt: null },
-    select: { lessonId: true, status: true },
-  });
+  // Get all lesson IDs across the fetched courses
+  const allLessonIds = courses.flatMap((c) => c.modules.flatMap((m) => m.lessons.map((l) => l.id)));
+
+  // Bolt optimization: Scope lesson progress queries to the relevant courses' lesson IDs.
+  // This prevents loading the user's entire history, reducing database payload size
+  // and lowering memory footprint.
+  const lessonProgress = allLessonIds.length > 0
+    ? await db.lessonProgress.findMany({
+        where: { userId: user.id, lessonId: { in: allLessonIds }, deletedAt: null },
+        select: { lessonId: true, status: true },
+      })
+    : [];
   const progressMap = new Map(lessonProgress.map((p) => [p.lessonId, p.status]));
 
   return (
diff --git a/src/app/(dashboard)/dashboard/page.tsx b/src/app/(dashboard)/dashboard/page.tsx
index 546298d..cfc6126 100644
--- a/src/app/(dashboard)/dashboard/page.tsx
+++ b/src/app/(dashboard)/dashboard/page.tsx
@@ -30,11 +30,18 @@ export default async function DashboardPage() {
     },
   });
 
-  // Get user's lesson progress
-  const lessonProgress = await db.lessonProgress.findMany({
-    where: { userId: user.id, deletedAt: null },
-    select: { lessonId: true, status: true },
-  });
+  // Get all lesson IDs across the fetched courses
+  const allLessonIds = courses.flatMap((c) => c.modules.flatMap((m) => m.lessons.map((l) => l.id)));
+
+  // Bolt optimization: Scope lesson progress queries to the relevant courses' lesson IDs.
+  // This prevents loading the user's entire history, reducing database payload size
+  // and lowering memory footprint.
+  const lessonProgress = allLessonIds.length > 0
+    ? await db.lessonProgress.findMany({
+        where: { userId: user.id, lessonId: { in: allLessonIds }, deletedAt: null },
+        select: { lessonId: true, status: true },
+      })
+    : [];
   const progressMap = new Map(lessonProgress.map((p) => [p.lessonId, p.status]));
 
   // Compute aggregate stats