⚡ Bolt: Deduplicate subset data fetching in project details#142
⚡ Bolt: Deduplicate subset data fetching in project details#142aicoder2009 wants to merge 1 commit into
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…ts in memory - Removed redundant HTTP request to `/api/projects/[id]/lists`. - Derives project-specific lists by filtering `allListsRes` in memory. - Reduces duplicate backend query load and TTFB for the projects detail page. Co-authored-by: aicoder2009 <127642633+aicoder2009@users.noreply.github.com>
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📝 WalkthroughWalkthroughThis PR eliminates a redundant network request by refactoring ChangesSubset Data Deduplication
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Poem
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Pull request overview
This PR removes a redundant project-specific lists fetch in the Project Detail page by deriving the project’s lists from the already-fetched global lists collection, reducing backend work and one HTTP request per page load.
Changes:
- Removed the
/api/projects/[id]/listsGET call fromProjectDetailPageand now filters/api/listsresults in-memory. - Updated inline comments to reflect the new fetch strategy and rationale.
- Added a Bolt note documenting the “derive subset from global collection” optimization pattern.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| src/app/projects/[id]/page.tsx | Removes redundant subset fetch; derives project lists via in-memory filtering of all user lists. |
| .jules/bolt.md | Documents the optimization learning/action for future reference. |
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| if (allListsResult.success) { | ||
| setAllLists(allListsResult.data); | ||
| // Filter in-memory to get project lists | ||
| setLists(allListsResult.data.filter((list: List) => list.projectId === projectId)); | ||
| } |
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@src/app/projects/`[id]/page.tsx:
- Around line 84-88: The lists fetch failure is currently silent; in the branch
that handles allListsResult (the code around allListsResult.success, setAllLists
and setLists using projectId) add non-blocking error handling: when
allListsResult.success is false, capture/log the error (use
allListsResult.error), set a small UI state like listsFetchError or trigger a
toast/notice so the page can display a non-blocking “Could not load lists”
message, and avoid clobbering existing lists state (do not call
setAllLists/setLists on failure). Update the component to render that notice
when listsFetchError is set so users don’t mistake a load failure for an empty
list.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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📒 Files selected for processing (2)
.jules/bolt.mdsrc/app/projects/[id]/page.tsx
| if (allListsResult.success) { | ||
| setAllLists(allListsResult.data); | ||
| // Filter in-memory to get project lists | ||
| setLists(allListsResult.data.filter((list: List) => list.projectId === projectId)); | ||
| } |
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Lists fetch failure is now silent.
When allListsResult.success is false, both lists and allLists stay empty and no error is shown — the project renders as if it has no lists. Since the project now loads even when the lists request fails, consider surfacing a non-blocking notice so the empty state isn't mistaken for "no lists."
🛡️ Proposed fix to surface lists-fetch failures
if (allListsResult.success) {
setAllLists(allListsResult.data);
// Filter in-memory to get project lists
setLists(allListsResult.data.filter((list: List) => list.projectId === projectId));
+ } else {
+ setError(allListsResult.error || "Failed to load lists");
}🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@src/app/projects/`[id]/page.tsx around lines 84 - 88, The lists fetch failure
is currently silent; in the branch that handles allListsResult (the code around
allListsResult.success, setAllLists and setLists using projectId) add
non-blocking error handling: when allListsResult.success is false, capture/log
the error (use allListsResult.error), set a small UI state like listsFetchError
or trigger a toast/notice so the page can display a non-blocking “Could not load
lists” message, and avoid clobbering existing lists state (do not call
setAllLists/setLists on failure). Update the component to render that notice
when listsFetchError is set so users don’t mistake a load failure for an empty
list.
⚡ Bolt: Deduplicate Subset Data Fetching
💡 What: Eliminated the redundant loopback HTTP call (
fetch('/api/projects/${projectId}/lists')) inside the project detail view (src/app/projects/[id]/page.tsx). The lists belonging to the project are now derived in-memory by filtering theallListsResobject.🎯 Why: The detail page was previously fetching both the global list collection (all a user's lists) and a specific subset of lists (those belonging to the current project) from the backend at the same time. Since the API does not currently use GSIs to narrow down projects rapidly, this created a redundant read loop on the backend.
📊 Impact: Reduces redundant HTTP requests by 1 per project detail view load, saves duplicate backend DynamoDB query processing cycles, and contributes to lowered Time to First Byte (TTFB).
🔬 Measurement: Verify by visiting a project detail page and inspecting the network tab – you'll observe two
fetchcalls (/api/projects/[id]and/api/lists) instead of three, while the UI accurately reflects project-associated lists versus unassociated lists available to be added.PR created automatically by Jules for task 8125695675951932664 started by @aicoder2009
Summary by CodeRabbit
Refactor
Documentation