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Sharepoint-Toolbox/.planning/phases/06-global-site-selection/06-04-SUMMARY.md
Dev da905b6ec0 docs(06-04): complete tab-vms global site consumption plan 
- Add 06-04-SUMMARY.md with all task details and self-check
- Update STATE.md: progress bar 80%, decisions, session record
- Update ROADMAP.md: phase 6 now 4/5 plans complete (In Progress)
- Mark SITE-02 complete in REQUIREMENTS.md
2026-04-07 10:10:18 +02:00

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phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, duration, completed, requirements-completed
phase plan subsystem tags requires provides affects tech-stack key-files key-decisions duration completed requirements-completed
06-global-site-selection 04 tab-viewmodels
wpf
mvvm
community-toolkit
global-sites
override-pattern
06-01 (FeatureViewModelBase.OnGlobalSitesChanged virtual hook)
PermissionsViewModel.OnGlobalSitesChanged (multi-site
pre-populates SelectedSites)
StorageViewModel.OnGlobalSitesChanged (single-site
pre-fills SiteUrl)
SearchViewModel.OnGlobalSitesChanged (single-site
pre-fills SiteUrl)
DuplicatesViewModel.OnGlobalSitesChanged (single-site
pre-fills SiteUrl)
FolderStructureViewModel.OnGlobalSitesChanged (single-site
pre-fills SiteUrl)
TransferViewModel.OnGlobalSitesChanged (single-site
pre-fills SourceSiteUrl)
06-05-per-tab-override (consumes GlobalSites in RunOperationAsync as fallback)
added patterns
partial void OnXxxChanged — CommunityToolkit partial property change notification used to detect local user input and set override flag
_hasLocalSiteOverride / _hasLocalSourceSiteOverride field pattern — prevents global site changes from overwriting user's local entry
Tenant switch resets override flag — ensures fresh tenant starts with global site pre-fill active
created modified
SharepointToolbox/ViewModels/Tabs/PermissionsViewModel.cs
SharepointToolbox/ViewModels/Tabs/StorageViewModel.cs
SharepointToolbox/ViewModels/Tabs/SearchViewModel.cs
SharepointToolbox/ViewModels/Tabs/DuplicatesViewModel.cs
SharepointToolbox/ViewModels/Tabs/FolderStructureViewModel.cs
SharepointToolbox/ViewModels/Tabs/TransferViewModel.cs
PermissionsViewModel uses _hasLocalSiteOverride to guard SelectedSites; site picker dialog sets flag to true, tenant switch resets it to false
Single-site VMs use partial void OnSiteUrlChanged to detect local typing; clearing the field reverts to global, non-empty different value sets override
BulkMembersViewModel excluded: confirmed no SiteUrl field (CSV-driven per-row site URLs)
SettingsViewModel, BulkSitesViewModel, TemplatesViewModel excluded per CONTEXT decisions — not modified
2min 2026-04-07
SITE-01
SITE-02

Phase 06 Plan 04: Tab ViewModels Global Site Consumption Summary

All 6 consuming tab ViewModels wired to override OnGlobalSitesChanged — PermissionsViewModel pre-populates SelectedSites (multi-site), 4 single-site tabs pre-fill SiteUrl, TransferViewModel pre-fills SourceSiteUrl, all with local-override protection via _hasLocalSiteOverride flag

Performance

  • Duration: ~2 min
  • Started: 2026-04-07T08:06:19Z
  • Completed: 2026-04-07T08:08:35Z
  • Tasks: 3
  • Files modified: 6

Accomplishments

  • PermissionsViewModel: Added OnGlobalSitesChanged override that pre-populates SelectedSites from global sites when no local override is active
  • PermissionsViewModel: Site picker dialog (ExecuteOpenSitePicker) now sets _hasLocalSiteOverride = true before clearing/repopulating SelectedSites
  • PermissionsViewModel: OnTenantSwitched resets _hasLocalSiteOverride = false so new tenant immediately uses global sites
  • StorageViewModel, SearchViewModel, DuplicatesViewModel, FolderStructureViewModel: Added identical OnGlobalSitesChanged + partial void OnSiteUrlChanged + _hasLocalSiteOverride pattern
  • TransferViewModel: Added OnGlobalSitesChanged + partial void OnSourceSiteUrlChanged + _hasLocalSourceSiteOverride pattern for SourceSiteUrl
  • BulkMembersViewModel confirmed excluded — no SiteUrl field, CSV-driven, no changes made
  • All 134 tests pass (0 failures, 22 skipped — same baseline as plan 06-01)
  • Build succeeds with 0 errors, 0 warnings

Task Commits

Each task was committed atomically:

  1. Task 1: Update PermissionsViewModel for multi-site global consumption - 1bf47b5 (feat)
  2. Task 2: Update single-site tab VMs (Storage, Search, Duplicates, FolderStructure) - 6a2e4d1 (feat)
  3. Task 3: Update TransferViewModel and verify BulkMembersViewModel excluded - 0a91dd4 (feat)

Files Created/Modified

  • SharepointToolbox/ViewModels/Tabs/PermissionsViewModel.cs — Added _hasLocalSiteOverride, OnGlobalSitesChanged, updated ExecuteOpenSitePicker and OnTenantSwitched
  • SharepointToolbox/ViewModels/Tabs/StorageViewModel.cs — Added _hasLocalSiteOverride, OnGlobalSitesChanged, OnSiteUrlChanged, updated OnTenantSwitched
  • SharepointToolbox/ViewModels/Tabs/SearchViewModel.cs — Added _hasLocalSiteOverride, OnGlobalSitesChanged, OnSiteUrlChanged, updated OnTenantSwitched
  • SharepointToolbox/ViewModels/Tabs/DuplicatesViewModel.cs — Added _hasLocalSiteOverride, OnGlobalSitesChanged, OnSiteUrlChanged, updated OnTenantSwitched
  • SharepointToolbox/ViewModels/Tabs/FolderStructureViewModel.cs — Added _hasLocalSiteOverride, OnGlobalSitesChanged, OnSiteUrlChanged, updated OnTenantSwitched
  • SharepointToolbox/ViewModels/Tabs/TransferViewModel.cs — Added _hasLocalSourceSiteOverride, OnGlobalSitesChanged, OnSourceSiteUrlChanged, updated OnTenantSwitched

Decisions Made

  • Used partial void OnSiteUrlChanged (CommunityToolkit partial method) to detect user typing — this fires for every programmatic and user-driven change, so the guard value != GlobalSites[0].Url ensures global pre-fills don't incorrectly set the override flag
  • When user clears SiteUrl (empty string), the override resets and global is re-applied immediately — design choice to make clearing feel like "go back to global"
  • PermissionsViewModel pattern differs from single-site VMs: it has no OnSiteUrlChanged because its authoritative input is SelectedSites (managed by site picker dialog), not free text

Deviations from Plan

None — plan executed exactly as written. BulkMembersViewModel was confirmed to have no SiteUrl field as expected.

Issues Encountered

None.

User Setup Required

None — no external service configuration required.

Self-Check: PASSED

All 7 expected files found. All 3 task commits verified in git log.

Next Phase Readiness

  • All 6 consuming tab VMs now react to GlobalSitesChangedMessage automatically
  • Local override pattern is consistent across all tabs — users can type freely without clearing global state
  • Plan 06-05 (per-tab override enforcement in RunOperationAsync) can proceed
  • No blockers
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