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xamxam/TODO.md
Pontoporeia a2cba6d3c0 feat: prevent duplicate TFE submissions with logging and user feedback
- Add DuplicateThesisException (typed, carries existing thesis metadata)
- Add Database::findDuplicateThesis(): matches on year + author + normalised
  title (exact, prefix, Levenshtein ≤10% of longer string)
- ThesisCreateController::submit() runs duplicate check before any DB write
  and throws DuplicateThesisException on match
- AppLogger::logDuplicate() writes status=duplicate entries to the JSON-lines
  log for audit purposes
- App::flash/consumeFlash extended to support 'warning' flash type
- admin/actions/formulaire.php: catches DuplicateThesisException, logs it,
  flashes an HTML warning toast with a clickable link to the existing thesis,
  and repopulates the form fields
- partage/index.php: same catch block; surfaces a plain-text flash-warning
  banner on the student form with identifier, title, and year of the match;
  form is repopulated via session
- toast.php: renders toast--warning variant
- admin.css: .toast--warning + link colour rules
- form.css: .flash-warning style for the partage form
2026-05-05 11:04:52 +02:00

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# XAMXAM TODO
## Duplicate TFE submission prevention
- [x] `DuplicateThesisException` — typed exception carrying existing thesis metadata
- [x] `Database::findDuplicateThesis()` — year + author + normalised-title matching (exact, prefix, Levenshtein ≤10%)
- [x] `ThesisCreateController::submit()` — calls duplicate check before any DB write, throws `DuplicateThesisException`
- [x] `AppLogger::logDuplicate()` — dedicated log action (`status: duplicate`) for audit trail
- [x] `App::flash/consumeFlash` — extended to support `warning` type alongside `error`/`success`
- [x] `admin/actions/formulaire.php` — catches `DuplicateThesisException` separately; logs it; flashes HTML warning with link to existing thesis; repopulates form
- [x] `partage/index.php` — same catch block; plain-text warning (no admin link) surfaced on the student form via `flash-warning` banner; form repopulated
- [x] `toast.php` — renders `toast--warning` block
- [x] `admin.css``.toast--warning` style + link colour
- [x] `form.css``.flash-warning` style (partage form)