Simpl-Resultat/src/components/reports/CategoryZoomHeader.tsx
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feat: category zoom + secure AddKeywordDialog with context menu (#74)
Service layer
- New reportService.getCategoryZoom(categoryId, from, to, includeChildren) —
  bounded recursive CTE (WHERE ct.depth < 5) protects against parent_id cycles;
  direct-only path skips the CTE; every binding is parameterised
- Export categorizationService helpers normalizeDescription / buildKeywordRegex /
  compileKeywords so the dialog can reuse them
- New validateKeyword() enforces 2–64 char length (anti-ReDoS), whitespace-only
  rejection, returns discriminated result
- New previewKeywordMatches(keyword, limit=50) uses parameterised LIKE + regex
  filter in memory; caps candidate scan at 1000 rows to protect against
  catastrophic backtracking
- New applyKeywordWithReassignment wraps INSERT (or UPDATE-reassign) +
  per-transaction UPDATEs in an explicit BEGIN/COMMIT/ROLLBACK; rejects
  existing keyword reassignment unless allowReplaceExisting is set; never
  recategorises historical transactions beyond the ids the caller supplied

Hook
- Flesh out useCategoryZoom with reducer + fetch + refetch hook

Components (flat under src/components/reports/)
- CategoryZoomHeader — category combobox + include/direct toggle
- CategoryDonutChart — template'd from dashboard/CategoryPieChart with
  innerRadius=55 and ChartPatternDefs for SVG patterns
- CategoryEvolutionChart — AreaChart with Intl-formatted axes
- CategoryTransactionsTable — sortable table with per-row onContextMenu
  → ContextMenu → "Add as keyword" action

AddKeywordDialog — src/components/categories/AddKeywordDialog.tsx
- Lives in categories/ (not reports/) because it is a keyword-editing widget
  consumed from multiple sections
- Renders transaction descriptions as React children only (no
  dangerouslySetInnerHTML); CSS truncation (CWE-79 safe)
- Per-row checkboxes for applying recategorisation; cap visible rows at 50;
  explicit opt-in checkbox to extend to N-50 non-displayed matches
- Surfaces apply errors + "keyword already exists" replace prompt
- Re-runs category zoom fetch on success so the zoomed view updates

Page
- ReportsCategoryPage composes header + donut + evolution + transactions
  + AddKeywordDialog, fetches from useCategoryZoom, preserves query string
  for back navigation

i18n
- New keys reports.category.* and reports.keyword.* in FR + EN
- Plural forms use i18next v25 _one / _other suffixes (nMatches)

Tests
- 3 reportService tests cover bounded CTE, cycle-guard depth check, direct-only fallthrough
- New categorizationService.test.ts: 13 tests covering validation boundaries,
  parameterised LIKE preview, regex word-boundary filter, explicit BEGIN/COMMIT
  wrapping, rollback on failure, existing keyword reassignment policy
- 62 total tests passing

Fixes #74

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 15:09:17 -04:00

72 lines
2.3 KiB
TypeScript

import { useEffect, useState } from "react";
import { useTranslation } from "react-i18next";
import { getAllCategoriesWithCounts } from "../../services/categoryService";
interface CategoryOption {
id: number;
name: string;
color: string | null;
parent_id: number | null;
}
export interface CategoryZoomHeaderProps {
categoryId: number | null;
includeSubcategories: boolean;
onCategoryChange: (id: number | null) => void;
onIncludeSubcategoriesChange: (flag: boolean) => void;
}
export default function CategoryZoomHeader({
categoryId,
includeSubcategories,
onCategoryChange,
onIncludeSubcategoriesChange,
}: CategoryZoomHeaderProps) {
const { t } = useTranslation();
const [categories, setCategories] = useState<CategoryOption[]>([]);
useEffect(() => {
getAllCategoriesWithCounts()
.then((rows) =>
setCategories(
rows.map((r) => ({ id: r.id, name: r.name, color: r.color, parent_id: r.parent_id })),
),
)
.catch(() => setCategories([]));
}, []);
return (
<div className="flex flex-col sm:flex-row sm:items-center gap-3 bg-[var(--card)] border border-[var(--border)] rounded-xl p-4">
<label className="flex flex-col gap-1 flex-1 min-w-0">
<span className="text-xs font-medium text-[var(--muted-foreground)] uppercase tracking-wide">
{t("reports.category.selectCategory")}
</span>
<select
value={categoryId ?? ""}
onChange={(e) => onCategoryChange(e.target.value ? Number(e.target.value) : null)}
className="bg-[var(--card)] border border-[var(--border)] rounded-lg px-3 py-2 text-sm"
>
<option value=""></option>
{categories.map((cat) => (
<option key={cat.id} value={cat.id}>
{cat.name}
</option>
))}
</select>
</label>
<label className="inline-flex items-center gap-2 text-sm">
<input
type="checkbox"
checked={includeSubcategories}
onChange={(e) => onIncludeSubcategoriesChange(e.target.checked)}
className="accent-[var(--primary)]"
/>
<span>
{includeSubcategories
? t("reports.category.includeSubcategories")
: t("reports.category.directOnly")}
</span>
</label>
</div>
);
}