Add governed buildings register snapshot

frontend/src/components/map/MapWorkspace.tsx

@@ -120,8 +120,22 @@ function datasetMatchesTheme(dataset: DatasetCreateResponse, theme: DataTheme):
   return theme.tokens.some((token) => searchText.includes(token))
 }
 
-function pickThemeDataset(datasets: DatasetCreateResponse[], theme: DataTheme): DatasetCreateResponse | null {
-  const candidates = datasets.filter((dataset) => datasetMatchesTheme(dataset, theme))
+function datasetCoversSelectedArea(dataset: DatasetCreateResponse, selectedAreaId: string | null): boolean {
+  const coverageScope = String(dataset.source_metadata?.['coverage_scope'] ?? '')
+  if (coverageScope !== 'municipality' || !dataset.area_id) {
+    return true
+  }
+  return Boolean(selectedAreaId) && dataset.area_id === selectedAreaId
+}
+
+function pickThemeDataset(
+  datasets: DatasetCreateResponse[],
+  theme: DataTheme,
+  selectedAreaId: string | null,
+): DatasetCreateResponse | null {
+  const candidates = datasets.filter(
+    (dataset) => datasetMatchesTheme(dataset, theme) && datasetCoversSelectedArea(dataset, selectedAreaId),
+  )
   candidates.sort((left, right) => {
     const score = (dataset: DatasetCreateResponse) =>
       (dataset.reference_layer_name && theme.tokens.includes(dataset.reference_layer_name.toLowerCase()) ? 1_000_000 : 0) +
@@ -129,6 +143,7 @@ function pickThemeDataset(datasets: DatasetCreateResponse[], theme: DataTheme):
       (dataset.source_name === 'department_omgeving_land_use' ? 90_000 : 0) +
       (dataset.source_name === 'inbo_bwk_natura2000' ? 95_000 : 0) +
       (dataset.source_name === 'agentschap_landbouw_zeevisserij_agricultural_parcels' ? 98_000 : 0) +
+      (dataset.source_name === 'digitaal_vlaanderen_buildings_addresses_register' ? 120_000 : 0) +
       (dataset.dataset_role === 'reference' ? 10_000 : 0) +
       (dataset.observed_at ? new Date(dataset.observed_at).getTime() / 100_000_000 : 0) +
       (dataset.feature_count ?? dataset.vector_summary?.feature_count ?? 0)
@@ -636,9 +651,9 @@ export function MapWorkspace({
   const themeDatasetMap = useMemo(
     () =>
       Object.fromEntries(
-        DATA_THEMES.map((theme) => [theme.id, pickThemeDataset(availableMapDatasets, theme)]),
+        DATA_THEMES.map((theme) => [theme.id, pickThemeDataset(availableMapDatasets, theme, selectedMapAreaId)]),
       ) as Record<DataThemeId, DatasetCreateResponse | null>,
-    [availableMapDatasets],
+    [availableMapDatasets, selectedMapAreaId],
   )
   const activeTheme = DATA_THEMES.find((theme) => theme.id === activeThemeId) ?? DATA_THEMES[0]
   const activeThemeMapStyle = DATA_THEME_MAP_STYLES[activeTheme.id]
@@ -740,7 +755,7 @@ export function MapWorkspace({
   }, [activeTemporalSeries])
 
   useEffect(() => {
-    if (advancedMode || !activeThemeDataset || (selectedMapDataset && datasetMatchesTheme(selectedMapDataset, activeTheme))) {
+    if (advancedMode || !activeThemeDataset || selectedMapDataset?.id === activeThemeDataset.id) {
       return
     }
     onOpenDatasetInMap(activeThemeDataset)