Sharepoint-Toolbox/.planning/milestones/v1.0-phases/02-permissions/02-04-SUMMARY.md

phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed

phase	plan	subsystem	tags	requires	provides	affects	tech-stack	key-files	key-decisions	patterns-established	requirements-completed	duration	completed
02-permissions	04	export	csv html permissions export csom rfc4180	phase provides 02-permissions plan 02 PermissionEntry record type and stub export service classes	CsvExportService merges PermissionEntry rows by (Users, PermissionLevels, GrantedThrough) and writes RFC 4180 CSV with UTF-8 BOM HtmlExportService generates self-contained interactive HTML report with inline CSS/JS, stats cards, badges, and user pills	02-permissions (plans 05-07 may call these services) Phase 3+ (any feature using CSV or HTML permission exports)	added patterns GroupBy merge pattern: group PermissionEntry by composite key then pipe-join distinct URLs/Titles Self-contained HTML: all CSS and JS inline in StringBuilder output — no external file references RFC 4180 CSV escaping: every field double-quoted, internal quotes doubled External user detection: #EXT# substring check applied to UserLogins for CSS class annotation	created modified SharepointToolbox/Services/Export/CsvExportService.cs SharepointToolbox/Services/Export/HtmlExportService.cs	CsvExportService uses UTF-8 with BOM (encoderShouldEmitUTF8Identifier=true) for Excel compatibility HtmlExportService uses UTF-8 without BOM for HTML files (standard browser expectation) HtmlEncode helper implemented inline rather than using System.Web.HttpUtility to avoid WPF dependency issues User pills zip UserLogins and Users arrays by index position to associate login with display name	Export services accept IReadOnlyList<PermissionEntry> — no direct file system coupling in BuildXxx methods WriteAsync wraps BuildXxx for testability — BuildXxx returns string, WriteAsync does I/O	PERM-05 PERM-06	1min	2026-04-02

Phase 2 Plan 04: Export Services Summary

CsvExportService with Merge-PermissionRows GroupBy logic and HtmlExportService with inline CSS/JS stats report — both implementing PERM-05 and PERM-06

Performance

• Duration: 1 min
• Started: 2026-04-02T11:58:05Z
• Completed: 2026-04-02T12:00:00Z
• Tasks: 2
• Files modified: 2

Accomplishments

• CsvExportService ports PowerShell Merge-PermissionRows: groups entries by (Users, PermissionLevels, GrantedThrough), pipe-joins duplicate URLs and Titles, writes RFC 4180-escaped CSV with UTF-8 BOM
• HtmlExportService ports Export-PermissionsToHTML: self-contained HTML with stats cards, color-coded object-type badges, unique/inherited badges, user pills with external-user class for #EXT# logins, and inline JS filter
• All 6 export tests pass (3 CSV + 3 HTML); full suite: 59 pass, 4 skip, 0 fail

Task Commits

Each task was committed atomically:

1. Task 1: Implement CsvExportService - 44913f8 (feat)
2. Task 2: Implement HtmlExportService - e3ab319 (feat)

Plan metadata: (docs: complete plan — see final commit)

Note: TDD tasks — tests were stubs from Plan 01 (RED). Implementation done in this plan (GREEN).

Files Created/Modified

• SharepointToolbox/Services/Export/CsvExportService.cs - Merges PermissionEntry rows and writes RFC 4180 CSV with UTF-8 BOM
• SharepointToolbox/Services/Export/HtmlExportService.cs - Generates self-contained interactive HTML report with inline CSS/JS

Decisions Made

• CsvExportService uses UTF-8 with BOM (encoderShouldEmitUTF8Identifier: true) so Excel opens the file correctly without encoding prompts
• HtmlExportService uses UTF-8 without BOM (standard for HTML, browsers do not expect BOM)
• Minimal HtmlEncode helper implemented inline (replaces &, <, >, ", ') rather than pulling in System.Web — avoids adding a dependency and keeps the class self-contained
• User pills zip UserLogins and Users by index — this matches the semicolon-delimited parallel arrays established in PermissionEntry design

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None - both services compiled and all tests passed on first attempt.

User Setup Required

None - no external service configuration required.

Next Phase Readiness

• CsvExportService and HtmlExportService are fully implemented and tested (PERM-05, PERM-06 complete)
• Both services are ready to be wired into the PermissionsViewModel export commands (upcoming plan in wave 3)
• No blockers for continuing Phase 2

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Phase: 02-permissions Completed: 2026-04-02

Self-Check: PASSED

• FOUND: SharepointToolbox/Services/Export/CsvExportService.cs
• FOUND: SharepointToolbox/Services/Export/HtmlExportService.cs
• FOUND commit 44913f8 (feat: CsvExportService)
• FOUND commit e3ab319 (feat: HtmlExportService)
• FOUND: .planning/phases/02-permissions/02-04-SUMMARY.md