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Reviewer's GuideSorts GA4GH DRS objects by last-updated timestamp and updates the datasets table layout to show created/last-updated timestamps with adjusted column widths and skeleton placeholders. Sequence diagram for loading and sorting GA4GH DRS objectssequenceDiagram
actor User
participant ECCClientGa4ghDrsObjects
participant DrsApi
User->>ECCClientGa4ghDrsObjects: triggerLoadData
activate ECCClientGa4ghDrsObjects
ECCClientGa4ghDrsObjects->>DrsApi: fetchObjects(pageSize, currentPage - 1)
activate DrsApi
DrsApi-->>ECCClientGa4ghDrsObjects: objectsResult
deactivate DrsApi
ECCClientGa4ghDrsObjects->>ECCClientGa4ghDrsObjects: sortObjectsByLastUpdated(objectsResult.objects)
ECCClientGa4ghDrsObjects->>ECCClientGa4ghDrsObjects: update objects and pagination
ECCClientGa4ghDrsObjects-->>User: renderTableWithSortedTimestamps
deactivate ECCClientGa4ghDrsObjects
Updated class diagram for ECCClientGa4ghDrsObjects componentclassDiagram
class ECCClientGa4ghDrsObjects {
+objects DrsObject[]
+pageSize number
+currentPage number
+loadData() void
+render() unknown
+renderPagination() unknown
+handleObjectSelect(objectId string) void
+bytesToSize(bytes number) string
+formatDateTime(dateString string) string
+sortObjectsByLastUpdated(objects DrsObject[]) DrsObject[]
}
class DrsObject {
+id string
+name string
+size number
+created_time string
+updated_time string
}
ECCClientGa4ghDrsObjects "*" --> "*" DrsObject : displays
File-Level Changes
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Contributor
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Hey there - I've reviewed your changes - here's some feedback:
- In
sortObjectsByLastUpdated, consider explicitly handling cases where bothupdated_timeandcreated_timeare missing to avoid callingnew Date(undefined)and getting unexpected ordering orNaNvalues. - The new
formatDateTimehelper hardcodes anen-US24‑hour format; if this component is used in different locales, it may be better to accept a locale/format option or use the runtime’s default locale for consistency with the rest of the app. - The table column previously used a slot for actions (
actions-${object.id}) but now showsLast Updatedinstead; if callers currently rely on that slot for interactive controls, consider either preserving the slot in another column or documenting/removing that extension point more deliberately.
Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- In `sortObjectsByLastUpdated`, consider explicitly handling cases where both `updated_time` and `created_time` are missing to avoid calling `new Date(undefined)` and getting unexpected ordering or `NaN` values.
- The new `formatDateTime` helper hardcodes an `en-US` 24‑hour format; if this component is used in different locales, it may be better to accept a locale/format option or use the runtime’s default locale for consistency with the rest of the app.
- The table column previously used a slot for actions (`actions-${object.id}`) but now shows `Last Updated` instead; if callers currently rely on that slot for interactive controls, consider either preserving the slot in another column or documenting/removing that extension point more deliberately.
## Individual Comments
### Comment 1
<location> `packages/ecc-client-ga4gh-drs/src/components/objects-list/objects.ts:171-178` </location>
<code_context>
this.loadData();
}
+ private static sortObjectsByLastUpdated(objects: DrsObject[]): DrsObject[] {
+ return [...objects].sort((a, b) => {
+ // Use updated_time if available, otherwise fall back to created_time
+ const aTime = a.updated_time || a.created_time;
+ const bTime = b.updated_time || b.created_time;
+
+ // Sort in reverse chronological order (most recent first)
+ return new Date(bTime).getTime() - new Date(aTime).getTime();
+ });
+ }
</code_context>
<issue_to_address>
**issue:** Consider handling missing/invalid timestamps more defensively in the sort comparator.
If `updated_time`/`created_time` is missing or not a valid date, `new Date(...).getTime()` returns `NaN`, and comparisons with `NaN` can produce non‑deterministic ordering. Consider explicitly handling falsy/invalid timestamps (e.g., normalizing them to a sentinel like `0`/`-Infinity` or special‑casing when `aTime`/`bTime` is invalid) so those entries are consistently placed at the start or end of the list.
</issue_to_address>Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
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| private static sortObjectsByLastUpdated(objects: DrsObject[]): DrsObject[] { | ||
| return [...objects].sort((a, b) => { | ||
| // Use updated_time if available, otherwise fall back to created_time | ||
| const aTime = a.updated_time || a.created_time; | ||
| const bTime = b.updated_time || b.created_time; | ||
|
|
||
| // Sort in reverse chronological order (most recent first) | ||
| return new Date(bTime).getTime() - new Date(aTime).getTime(); |
Contributor
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issue: Consider handling missing/invalid timestamps more defensively in the sort comparator.
If updated_time/created_time is missing or not a valid date, new Date(...).getTime() returns NaN, and comparisons with NaN can produce non‑deterministic ordering. Consider explicitly handling falsy/invalid timestamps (e.g., normalizing them to a sentinel like 0/-Infinity or special‑casing when aTime/bTime is invalid) so those entries are consistently placed at the start or end of the list.
keshxvdayal
changed the title
keshxvdayal
changed the title
anuragxxd
requested changes
Dec 21, 2025
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| this.objects = ECCClientGa4ghDrsObjects.sortObjectsByLastUpdated( | ||
| result.objects | ||
| ); |
Member
There was a problem hiding this comment.
This is incorrect as the sorting should be handled on the backend.
Comment on lines
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| private static sortObjectsByLastUpdated(objects: DrsObject[]): DrsObject[] { | ||
| return [...objects].sort((a, b) => { | ||
| const aTime = a.updated_time || a.created_time; | ||
| const bTime = b.updated_time || b.created_time; | ||
|
|
||
| if (!aTime && !bTime) return 0; | ||
| if (!aTime) return 1; | ||
| if (!bTime) return -1; | ||
|
|
||
| return new Date(bTime).getTime() - new Date(aTime).getTime(); | ||
| }); | ||
| } | ||
|
|
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| private static formatDateTime(dateString: string): string { | ||
| try { | ||
| return new Date(dateString).toLocaleDateString(); | ||
| if (!dateString) return "—"; | ||
|
|
||
| return new Date(dateString).toLocaleString(undefined, { | ||
| year: "numeric", | ||
| month: "2-digit", | ||
| day: "2-digit", | ||
| hour: "2-digit", | ||
| minute: "2-digit", | ||
| second: "2-digit", | ||
| hour12: false, | ||
| }); | ||
| } catch { | ||
| return dateString; | ||
| return dateString || "—"; | ||
| } | ||
| } |
Member
There was a problem hiding this comment.
Maybe we can open the slot rather than controlling this functionality. Like what is done with the title.
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Description
Fixes #(issue)
Checklist
Comments
Summary by Sourcery
Sort GA4GH DRS objects by most recently updated and enrich the objects list table with explicit created/last-updated timestamps.
New Features:
Enhancements: