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[CSM] Decode comment inline attachments in entity-service and backend-v2 - #1483

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SasmithaDilshan merged 2 commits into
wso2-open-operations:dev-app-csm-portalfrom
SasmithaDilshan:fix/entity-service-comment-inline-attachments
Aug 18, 2026
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SasmithaDilshan merged 2 commits into
wso2-open-operations:dev-app-csm-portalfrom
SasmithaDilshan:fix/entity-service-comment-inline-attachments

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@SasmithaDilshan SasmithaDilshan commented Aug 18, 2026

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Resolves wso2-enterprise/digiops-cs#2810 (epic wso2-enterprise/digiops-cs#2751).

Summary

Third instance of the same bug class as #1475 and #1478: the Ballerina entity-service declares hasInlineAttachments and inlineAttachments on its Comment record, the Go snComment struct didn't, so encoding/json discarded whatever ServiceNow sent. The frontend declares both on CaseCommentInlineAttachment (features/support/types/attachments.ts) and renders them in case and conversation threads — so inline images in comments never reached the portal.

entity-service

  • snComment declares both fields; new snInlineAttachment mirrors the Ballerina InlineAttachment record
  • new domain.InlineAttachment, with sysidToUUID() on the id like every other inbound identifier
  • a malformed createdOn on one image leaves that entry's timestamp zero rather than failing the whole comment page

backend-v2

  • entity.CommentView decodes both; dto.CommentInlineAttachment matches the frontend's field names exactly
  • omitted rather than emitted empty — a plain comment gains no keys, since the frontend treats both as optional

Scope: raw fields only

This ports the fields, not csm-portal's inline-image resolution behaviour — resolving .iix URLs and capping images per body (fix: cap the number of inline images resolved per HTML body, feat: resolve inline .iix images in comments). That's separate work and no customer-portal consumer needs it yet. Worth confirming before anyone assumes images render end-to-end: the portal will receive the attachment metadata and .iix download URLs, but nothing here rewrites the HTML body.

Test plan

Both services, in containers (no local Go toolchain):

  • go build ./... — entity-service, backend-v2
  • go vet ./... — both
  • gofmt -l . — clean, both
  • go test -race ./... — all pass, incl. 2 new TestMapSearchComments_*InlineAttachments*
  • gosec -fmt=text ./...0 issues, both
  • Staging: open a case whose comment contains a pasted image and confirm inlineAttachments arrives

Same caveat as #1478

Ballerina declaring a field proves it's expected, not that ServiceNow populates it. Declaring is safe either way — absent stays nil and the keys are omitted — but don't expect values until confirmed against a real comment containing an image.

Deployment order

entity-service first, then backend-v2. Deploying backend-v2 alone is harmless (fields stay absent, as today).

Summary by CodeRabbit

  • New Features

    • Comments now indicate when inline attachments are present.
    • Inline attachment details are available, including file name, type, download link, creation time, and creator.
    • Comment search results preserve attachment information from ServiceNow.
  • Bug Fixes

    • Invalid or missing attachment timestamps no longer prevent comment results from loading.

… attachments

Same class as the deployment-count and case-detail gaps: the Ballerina
entity-service declares hasInlineAttachments and inlineAttachments on its Comment
record, the Go snComment struct did not, so encoding/json discarded whatever
ServiceNow sent. The frontend declares both on CaseCommentInlineAttachment and
renders them in case and conversation threads.

entity-service:
- snComment declares both fields; new snInlineAttachment mirrors the Ballerina
  InlineAttachment record
- new domain.InlineAttachment, with sysidToUUID applied to the id like every
  other inbound identifier
- a malformed createdOn on one image leaves that entry's timestamp zero rather
  than failing the whole comment page

backend-v2:
- entity.CommentView decodes both; dto.CommentInlineAttachment matches the
  frontend's field names exactly
- omitted rather than emitted empty: a plain comment gains no keys, since the
  frontend treats both as optional

Scope note: this ports the raw fields only. It does not port csm-portal's
inline-image resolution behaviour (resolving .iix URLs, capping images per body)
— that is separate work and no customer-portal consumer needs it yet.

Resolves wso2-enterprise/digiops-cs#2810

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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📥 Commits

Reviewing files that changed from the base of the PR and between abd74f5 and 08d0ea4.

📒 Files selected for processing (5)
  • apps/customer-portal/backend-v2/internal/dto/comment.go
  • apps/customer-portal/backend-v2/internal/dto/comment_inline_attachments_test.go
  • apps/customer-portal/backend-v2/internal/entity/types.go
  • entity-service/internal/domain/entity.go
  • entity-service/internal/service/sn_case_service.go
📝 Walkthrough

Walkthrough

Changes

The comment search flow now carries inline attachment presence and metadata from ServiceNow through entity-service models into customer-portal DTOs. Timestamp parsing remains non-failing for invalid attachment timestamps. JSON tests cover comments with and without attachments.

Inline attachment flow

Layer / File(s) Summary
Comment attachment contracts
entity-service/internal/domain/entity.go, apps/customer-portal/backend-v2/internal/entity/types.go
The domain and portal comment models now include inline attachment metadata, presence flags, and optional attachment lists.
ServiceNow attachment mapping
entity-service/internal/service/sn_case_service.go
Comment search maps ServiceNow attachment fields, converts IDs, resolves creators, and preserves zero timestamps when parsing fails.
Portal response mapping and validation
apps/customer-portal/backend-v2/internal/dto/comment.go, apps/customer-portal/backend-v2/internal/dto/comment_inline_attachments_test.go
Portal DTO mapping exposes attachment metadata. Tests verify serialized fields for comments with and without attachments.

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

Merge Risk: 🟡 Moderate · up to abd74

Malformed inline-attachment timestamps can appear to users as an incorrect year-one date instead of being absent, so this bounded data-correctness issue should be fixed and tested before merging.

Sequence Diagram(s)

sequenceDiagram
  participant ServiceNow
  participant SearchCaseComments
  participant EntityService
  participant CustomerPortal
  ServiceNow->>SearchCaseComments: return comment and attachment metadata
  SearchCaseComments->>EntityService: map attachments into CaseComment
  EntityService->>CustomerPortal: return comment search results
  CustomerPortal->>CustomerPortal: map and serialize attachment DTOs
Loading

Possibly related PRs

Suggested labels: Type/Improvement

Suggested reviewers: rashmika998

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Description check ⚠️ Warning The description explains the change and test results, but it omits most required template sections, including documentation, security, environment, and migration details. Add all missing template sections and provide applicable details, using N/A with explanations where sections do not apply.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly and concisely describes decoding comment inline attachments in both affected services.
Docstring Coverage ✅ Passed Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
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only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.

Inline comments:
In `@entity-service/internal/domain/entity.go`:
- Around line 1974-1980: Change InlineAttachment.CreatedOn to *time.Time with
omitempty in the domain, backend entity, and comment DTO contracts. In
SearchCaseComments, assign the pointer only when attachment timestamp parsing
succeeds, leaving it nil for invalid or empty values. Add a JSON regression test
verifying the absent timestamp is omitted or serialized as null rather than a
year-one timestamp.
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📒 Files selected for processing (5)
  • apps/customer-portal/backend-v2/internal/dto/comment.go
  • apps/customer-portal/backend-v2/internal/dto/comment_inline_attachments_test.go
  • apps/customer-portal/backend-v2/internal/entity/types.go
  • entity-service/internal/domain/entity.go
  • entity-service/internal/service/sn_case_service.go

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Comment thread entity-service/internal/domain/entity.go Outdated
…t createdOn nullable

Addresses a review finding on PR wso2-open-operations#1483. InlineAttachment.CreatedOn was a value
time.Time, so an absent or unparseable upstream timestamp left Go's zero time and
serialised as "0001-01-01T00:00:00Z" — a fabricated date presented as real.

entity-service's CLAUDE.md requires pointer types for any response field that may
be absent, left nil so it serialises as null rather than a stand-in value. This
was a violation of that rule.

- CreatedOn is now *time.Time with omitempty across all three contracts: the
  entity-service domain type, backend-v2's entity mirror, and the comment DTO
- SearchCaseComments assigns the pointer only when parsing succeeds, leaving it
  nil for empty or malformed values
- Regression test asserts the key is omitted (or null) and specifically that a
  year-one timestamp never leaks, while the rest of the attachment still maps

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
@SasmithaDilshan
SasmithaDilshan merged commit 05a7fb2 into wso2-open-operations:dev-app-csm-portal Aug 18, 2026
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