3ec776ba81
- SUMMARY.md with implementation details and deviation log - STATE.md updated to plan 2 of 4, 92% progress - ROADMAP.md and REQUIREMENTS.md updated (VIZZ-02 complete) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
102 lines
3.5 KiB
Markdown
102 lines
3.5 KiB
Markdown
---
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phase: 09-storage-visualization
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plan: 02
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subsystem: services
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tags: [csom, caml-query, file-metrics, sharepoint]
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# Dependency graph
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requires:
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- phase: 09-01
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provides: FileTypeMetric record, IStorageService.CollectFileTypeMetricsAsync signature
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provides:
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- CollectFileTypeMetricsAsync implementation in StorageService
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- CSOM CamlQuery-based file enumeration grouped by extension
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affects: [09-03, 09-04]
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# Tech tracking
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tech-stack:
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added: []
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patterns: [paginated CamlQuery with RowLimit for file enumeration]
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key-files:
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created: []
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modified: [SharepointToolbox/Services/StorageService.cs]
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key-decisions:
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- "Added System.IO using explicitly -- WPF project implicit usings do not include System.IO for Path.GetExtension"
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patterns-established:
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- "CamlQuery pagination: RowLimit Paged=TRUE with ListItemCollectionPosition loop for batched file enumeration"
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- "Extension grouping: OrdinalIgnoreCase dictionary with ToLowerInvariant normalization for consistent extension keys"
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requirements-completed: [VIZZ-02]
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# Metrics
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duration: 1min
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completed: 2026-04-07
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---
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# Phase 09 Plan 02: CollectFileTypeMetricsAsync Summary
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**CSOM CamlQuery-based file enumeration across all non-hidden document libraries, grouped by extension with paginated 500-item batches**
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## Performance
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- **Duration:** 1 min
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- **Started:** 2026-04-07T13:23:20Z
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- **Completed:** 2026-04-07T13:24:13Z
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- **Tasks:** 1
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- **Files modified:** 1
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## Accomplishments
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- Implemented CollectFileTypeMetricsAsync in StorageService resolving CS0535 interface compliance error
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- CamlQuery with RecursiveAll scope and FSObjType=0 filter enumerates only files across all subfolders
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- Paginated queries (500-item batches) avoid SharePoint list view threshold limits
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- Extension-based grouping with case-insensitive dictionary produces sorted FileTypeMetric results
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Implement CollectFileTypeMetricsAsync in StorageService** - `81e3dca` (feat)
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**Plan metadata:** (pending)
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## Files Created/Modified
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- `SharepointToolbox/Services/StorageService.cs` - Added CollectFileTypeMetricsAsync method and System.IO using
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## Decisions Made
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- Added `using System.IO;` explicitly since WPF project implicit usings do not include it (Path.GetExtension not available without it)
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 3 - Blocking] Added missing System.IO using directive**
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- **Found during:** Task 1 (CollectFileTypeMetricsAsync implementation)
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- **Issue:** `Path.GetExtension` not recognized -- WPF implicit usings exclude System.IO
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- **Fix:** Added `using System.IO;` at top of StorageService.cs
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- **Files modified:** SharepointToolbox/Services/StorageService.cs
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- **Verification:** Build succeeds with 0 errors
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- **Committed in:** 81e3dca (Task 1 commit)
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---
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**Total deviations:** 1 auto-fixed (1 blocking)
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**Impact on plan:** Minor using directive addition required for compilation. No scope creep.
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## Issues Encountered
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None beyond the System.IO using directive (documented above as deviation).
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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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- StorageService now fully implements IStorageService (both CollectStorageAsync and CollectFileTypeMetricsAsync)
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- Ready for Plan 09-03 (ViewModel integration) to wire CollectFileTypeMetricsAsync into the storage visualization UI
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- FileTypeMetric results sorted by TotalSizeBytes descending, ready for chart data binding
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---
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*Phase: 09-storage-visualization*
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*Completed: 2026-04-07*
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