fix: issue summary fallback by eng-abdelrahman-sharaf · Pull Request #5540 · OWASP/Nest

eng-abdelrahman-sharaf · 2026-09-07T14:08:34Z

Proposed change

Resolves #5506

Changes

Added is_summary_generated field and migration to track whether the summary is AI-generated or a fallback
Issues with a fallback summary (body/"No summary available") are attempted again on later saves until AI succeeds
Updated OpenIssueManager.without_summary and bulk_save to use the new flag (is_summary_generated) instead of checking for an empty summary string
Used issue's body if the AI generated summary doesn't exist
Used "No summary available" if the issue has no body
Added/updated unit tests for the above scenarios

Checklist

Required: I followed the contributing workflow
Required: I verified that my code works as intended and resolves the issue as described
Required: I ran all required checks and tests locally; all warnings addressed and failures resolved
I used AI for code, documentation, tests, or communication related to this PR

coderabbitai · 2026-09-07T14:08:53Z

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backend/src/apps/github/migrations/0045_issue_is_summary_generated.py

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Summary by CodeRabbit

Bug Fixes
- Improved issue summaries when AI-generated content is unavailable.
- Falls back to the issue description, or displays “No summary available” when no description exists.
- Failed summary generation can be retried automatically when the issue is saved.
- Improved detection of issues that still need a generated summary, including cases where fallback text is displayed.
- Existing summaries continue to be recognized after the update.
- Summary status is now preserved consistently when issue details are updated.

Walkthrough

Issue now tracks whether an AI summary was generated. Empty AI results fall back to the issue body or "No summary available". Open issues can regenerate failed summaries, and summary selection uses the new status field.

Changes

Issue summary generation

Layer / File(s)	Summary
Summary state and generation flow `backend/src/apps/github/models/issue.py`, `backend/src/apps/github/migrations/0045_issue_is_summary_generated.py`, `backend/tests/unit/apps/github/models/issue_test.py`	The issue model stores `is_summary_generated`. Summary generation uses the issue body or `"No summary available"` when AI content is empty. Open issues regenerate when the flag is false. The migration backfills the flag for existing non-empty summaries. Tests cover fallback and regeneration behavior.
Generated-summary filtering `backend/src/apps/github/models/managers/issue.py`, `backend/tests/unit/apps/github/models/managers/issue_test.py`	`without_summary` filters issues with `is_summary_generated=False`. The manager test verifies the new filter.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to f0988

Issue cards now fall back to the body or a placeholder when AI generation fails while remaining eligible for later regeneration. The current change includes coverage for fallback and recovery behavior, with no active merge-blocking risk identified.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 78.57% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 14 functions across 5 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	The changes satisfy issue `#5506`. They use the issue body when AI summary generation fails, use "No summary available" when the body is empty, track generated summaries, and add tests for the fallback …
Out of Scope Changes check	✅ Passed	The model field, migration, manager filter, and related tests support the summary fallback requirements. No unrelated changes are evident.
Title check	✅ Passed	The title clearly and concisely describes the primary change: fixing issue summary fallback behavior.
Description check	✅ Passed	The description directly explains the fallback behavior, the new tracking field, migration, manager updates, and related tests.

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github-actions · 2026-09-07T14:09:01Z

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Inline comments:
In `@backend/src/apps/github/models/issue.py`:
- Line 191: Update Issue.save so the "No summary available" fallback remains
distinguishable from an AI-generated summary and can be regenerated after a
transient failure or body change. Preserve generated summaries, refresh fallback
summaries when issue content changes or generation succeeds, and add a
regression test covering failed generation followed by a later save.

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Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

Mazen050 · 2026-09-07T15:12:07Z

Hello @eng-abdelrahman-sharaf , check #5532 (comment) and consider turning this PR to a draft

github-actions · 2026-09-07T21:02:17Z

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Inline comments:
In `@backend/src/apps/github/migrations/0045_issue_is_summary_generated.py`:
- Line 16: Add a data migration after the BooleanField AddField operation to
mark existing issues with nonempty summaries as is_summary_generated=True.
Preserve the default False for records without summaries and use the migration’s
historical Issue model via apps.get_model rather than importing the runtime
model.

In `@backend/src/apps/github/models/issue.py`:
- Line 193: Update the AI summary/body selection logic around the ai_summary
check to treat whitespace-only values as unavailable by trimming or validating
content before use. Apply the same validation to the body fallback, and ensure
is_summary_generated remains false when neither contains meaningful text.

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github-actions · 2026-09-07T21:55:55Z

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Inline comments:
In `@backend/src/apps/github/migrations/0045_issue_is_summary_generated.py`:
- Line 8: Update the Issue backfill query in migration 0045 to set
is_summary_generated only for summaries containing at least one non-whitespace
character, excluding both empty and whitespace-only values while preserving the
existing update behavior for valid summaries.

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github-actions · 2026-09-07T22:53:15Z

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0 issues found across 1 file (changes from recent commits).

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github-actions · 2026-09-10T14:35:25Z

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eng-abdelrahman-sharaf · 2026-09-10T14:35:46Z

Could you please review this PR @arkid15r?

ahmedxgouda · 2026-09-10T14:59:11Z

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Please solve the DCO problem before requesting a review @eng-abdelrahman-sharaf

…atus Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

eng-abdelrahman-sharaf · 2026-09-10T15:24:51Z

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Please solve the DCO problem before requesting a review @eng-abdelrahman-sharaf

I solved it @ahmedxgouda

sonarqubecloud · 2026-09-10T15:24:52Z

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
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0.0% Duplication on New Code

See analysis details on SonarQube Cloud

eng-abdelrahman-sharaf requested review from arkid15r and kasya as code owners September 7, 2026 14:08

github-actions Bot added backend backend-tests labels Sep 7, 2026

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eng-abdelrahman-sharaf added 3 commits September 7, 2026 17:25

fix: add fallback to body when AI summary generation fails

8857b93

Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

test: update issue summary generation tests to verify fallback behavior

7359632

Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

chore: fix lint issues in issue model and tests

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eng-abdelrahman-sharaf force-pushed the fix/issue-summary-fallback branch from 8e73c21 to bf4da50 Compare September 7, 2026 14:25

eng-abdelrahman-sharaf marked this pull request as draft September 7, 2026 15:39

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eng-abdelrahman-sharaf dismissed coderabbitai[bot]’s stale review via 8322f64 September 7, 2026 21:55

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eng-abdelrahman-sharaf marked this pull request as ready for review September 7, 2026 23:02

eng-abdelrahman-sharaf changed the title ~~Fix/issue summary fallback~~ fix: issue summary fallback Sep 10, 2026

eng-abdelrahman-sharaf added 3 commits September 10, 2026 18:22

feat: add is_summary_generated flag to track AI summary generation st…

2cfcd34

…atus Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

fix: mark existing issues with summaries as AI-generated in migration

2385ab0

Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

fix: exclude whitespace-only summaries when marking AI-generated issues

c1383c4

Signed-off-by: eng-abdelrahman-sharaf <eng.abdelrahman.sharaf@gmail.com>

eng-abdelrahman-sharaf force-pushed the fix/issue-summary-fallback branch from f09884c to c1383c4 Compare September 10, 2026 15:22

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