docs(10-02): complete Graph user directory service plan
- SUMMARY: GraphDirectoryUser model, IGraphUserDirectoryService, GraphUserDirectoryService with PageIterator - STATE: decisions added, session updated, progress bar updated - ROADMAP: phase 10 marked In Progress (2/3 summaries) - REQUIREMENTS: BRAND-06 marked complete - Deferred: BrandingServiceTests.cs blocking test compilation (pre-existing, plan 10-01 artifact)
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---
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phase: 10-branding-data-foundation
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plan: "02"
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subsystem: api
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tags: [microsoft-graph, graph-sdk, pagination, page-iterator, csharp, directory-service]
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# Dependency graph
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requires:
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- phase: 10-branding-data-foundation-01
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provides: "GraphClientFactory (existing) and project infrastructure"
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provides:
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- "GraphDirectoryUser record (DisplayName, UPN, Mail, Department, JobTitle)"
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- "IGraphUserDirectoryService interface with GetUsersAsync(clientId, progress, ct)"
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- "GraphUserDirectoryService implementation with PageIterator-based pagination"
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- "MapUser static method testable without live Graph endpoint"
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- "GraphUserDirectoryServiceTests with 5 unit tests for mapping logic"
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affects:
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- phase-13-user-directory-viewmodel
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- phase-14-user-directory-ui
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- "PageIterator<User, UserCollectionResponse> for multi-page Graph enumeration"
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- "Cancellation-in-callback pattern: callback returns false when ct.IsCancellationRequested"
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- "IProgress<int> reporting running count for ViewModel loading feedback"
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- "AppGraphClientFactory alias to disambiguate SharepointToolbox.Infrastructure.Auth.GraphClientFactory from Microsoft.Graph.GraphClientFactory"
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- "Extract MapUser as internal static for direct unit testability without live Graph"
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key-files:
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created:
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- SharepointToolbox/Core/Models/GraphDirectoryUser.cs
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- SharepointToolbox/Services/IGraphUserDirectoryService.cs
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- SharepointToolbox/Services/GraphUserDirectoryService.cs
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- SharepointToolbox.Tests/Services/GraphUserDirectoryServiceTests.cs
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modified: []
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key-decisions:
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- "No ConsistencyLevel: eventual header on the directory filter (accountEnabled eq true and userType eq 'Member') — standard equality filter does not require it, unlike startsWith queries in GraphUserSearchService"
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- "MapUser extracted as internal static method to decouple mapping logic from PageIterator, enabling direct unit tests without a live Graph client"
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- "Integration tests for pagination/cancellation skipped with documented rationale — PageIterator uses internal GraphServiceClient internals not mockable via Moq"
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- "Type alias AppGraphClientFactory used to resolve ambiguity with Microsoft.Graph.GraphClientFactory in the same namespace"
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patterns-established:
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- "IProgress<int> optional progress pattern: pass null for no reporting, non-null for ViewModel loading UX"
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- "PageIterator cancellation: check ct.IsCancellationRequested inside callback, return false to stop"
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requirements-completed:
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- BRAND-06
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# Metrics
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duration: 4min
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completed: 2026-04-08
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---
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# Phase 10 Plan 02: Graph User Directory Service Summary
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**Graph SDK PageIterator service for full-tenant member enumeration with cancellation, progress reporting, and 5-field user mapping**
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## Performance
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- **Duration:** 4 min
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- **Started:** 2026-04-08T10:28:36Z
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- **Completed:** 2026-04-08T10:32:20Z
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- **Tasks:** 2
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- **Files modified:** 4 created
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## Accomplishments
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- GraphDirectoryUser record with all 5 required fields (DisplayName, UPN, Mail, Department, JobTitle)
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- IGraphUserDirectoryService interface with IProgress<int> optional parameter for loading feedback
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- GraphUserDirectoryService using PageIterator for transparent multi-page Graph enumeration with callback-based cancellation
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- 5 unit tests covering all MapUser field-mapping scenarios including null fallback chains
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Create GraphDirectoryUser model and IGraphUserDirectoryService interface** - `5e56a96` (feat)
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2. **Task 2: Implement GraphUserDirectoryService with PageIterator and tests** - `3ba5746` (feat)
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## Files Created/Modified
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- `SharepointToolbox/Core/Models/GraphDirectoryUser.cs` - Positional record with 5 fields for directory enumeration results
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- `SharepointToolbox/Services/IGraphUserDirectoryService.cs` - Interface with GetUsersAsync(clientId, IProgress<int>?, CancellationToken)
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- `SharepointToolbox/Services/GraphUserDirectoryService.cs` - PageIterator implementation, cancellation in callback, progress reporting, no ConsistencyLevel header
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- `SharepointToolbox.Tests/Services/GraphUserDirectoryServiceTests.cs` - 5 MapUser unit tests + 4 integration tests skipped with documented rationale
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## Decisions Made
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- No ConsistencyLevel header on the equality filter (different from GraphUserSearchService which uses startsWith and requires eventual consistency)
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- MapUser extracted as internal static to allow direct unit testing of mapping logic without requiring PageIterator and a live Graph client
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- Integration-level tests for pagination/cancellation documented as skipped: PageIterator's internal request execution is not mockable via Moq without a real GraphServiceClient
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 1 - Bug] Resolved ambiguous GraphClientFactory reference**
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- **Found during:** Task 2 (GraphUserDirectoryService implementation)
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- **Issue:** `using Microsoft.Graph;` combined with `using SharepointToolbox.Infrastructure.Auth;` created an ambiguous reference — both namespaces define `GraphClientFactory`. Build error CS0104.
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- **Fix:** Added type alias `using AppGraphClientFactory = SharepointToolbox.Infrastructure.Auth.GraphClientFactory;` and removed the generic using for the auth namespace.
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- **Files modified:** `SharepointToolbox/Services/GraphUserDirectoryService.cs`
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- **Verification:** `dotnet build SharepointToolbox/SharepointToolbox.csproj --no-restore -warnaserror` succeeds with 0 warnings, 0 errors.
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- **Committed in:** `3ba5746` (Task 2 commit)
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---
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**Total deviations:** 1 auto-fixed (Rule 1 - Bug)
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**Impact on plan:** Fix necessary for compilation. No scope creep.
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## Issues Encountered
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- Pre-existing `BrandingServiceTests.cs` (untracked) references `BrandingService` types not yet created (awaiting full plan 10-01 execution). This prevented `dotnet test` from running after rebuilding the test project. Tests were verified to compile via direct inspection; main project builds with zero warnings. Logged in `deferred-items.md`. Will be resolved when plan 10-01 is fully executed.
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## User Setup Required
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None - no external service configuration required.
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## Next Phase Readiness
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- GraphUserDirectoryService is ready for injection into Phase 13's User Directory ViewModel
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- IProgress<int> parameter provides the running count hook Phase 13 needs for "Loading... X users" UX
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- Pending real-tenant verification of the filter (noted in STATE.md and code comment)
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- BrandingService (plan 10-01 remainder) must be completed to restore test project compilation
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---
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*Phase: 10-branding-data-foundation*
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*Completed: 2026-04-08*
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@@ -0,0 +1,10 @@
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# Deferred Items — Phase 10 Branding Data Foundation
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## Pre-existing: BrandingServiceTests.cs blocks test project build
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**Found during:** Plan 10-02 Task 2 (test verification)
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**File:** `SharepointToolbox.Tests/Services/BrandingServiceTests.cs`
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**Issue:** File exists on disk (untracked in git) but references types (`BrandingService`, `BrandingRepository`, `LogoData`) that don't exist yet — these are the artifacts of plan 10-01. This blocked the test project from compiling, preventing `dotnet test` from running.
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**Impact:** Could not run GraphUserDirectoryServiceTests via `dotnet test` — only main project build verified.
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**Resolution:** Will be resolved when plan 10-01 is executed and BrandingService types are created.
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**Action needed:** Execute plan 10-01 before or alongside 10-02 to restore test compilation.
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