Close full operational audit findings

frontend/src/hooks/useProjectWorkspace.ts

@@ -46,6 +46,7 @@ export function useProjectWorkspace() {
   const [loadingProjects, setLoadingProjects] = useState(false)
   const [loadingAreas, setLoadingAreas] = useState(false)
   const [loadingDatasets, setLoadingDatasets] = useState(false)
+  const [archivingProjectId, setArchivingProjectId] = useState<string | null>(null)
   const [errorMessage, setErrorMessage] = useState<string | null>(null)
   const projectDataRequestSequence = useRef(0)
 
@@ -159,7 +160,7 @@ export function useProjectWorkspace() {
         setSelectedProjectId(nextProjectId)
       }
     } catch (error) {
-      setErrorMessage(error instanceof Error ? error.message : 'Failed to load projects')
+      setErrorMessage(error instanceof Error ? error.message : 'Werkruimtes konden niet worden geladen')
     } finally {
       setLoadingProjects(false)
     }
@@ -180,7 +181,7 @@ export function useProjectWorkspace() {
       return projectData
     } catch (error) {
       if (requestId === projectDataRequestSequence.current) {
-        setErrorMessage(error instanceof Error ? error.message : 'Failed to load project data')
+        setErrorMessage(error instanceof Error ? error.message : 'De gegevens van de werkruimte konden niet worden geladen')
       }
       return null
     } finally {
@@ -194,7 +195,7 @@ export function useProjectWorkspace() {
   const createProject = async (event: FormEvent) => {
     event.preventDefault()
     if (!projectForm.name.trim()) {
-      setErrorMessage('Project name is required')
+      setErrorMessage('Geef een naam voor de werkruimte op')
       return
     }
     try {
@@ -207,21 +208,21 @@ export function useProjectWorkspace() {
       setSelectedProjectId(createdProject.id)
       await loadProjects(createdProject.id)
     } catch (error) {
-      setErrorMessage(error instanceof Error ? error.message : 'Failed to create project')
+      setErrorMessage(error instanceof Error ? error.message : 'De werkruimte kon niet worden aangemaakt')
     }
   }
 
   const createArea = async (event: FormEvent) => {
     event.preventDefault()
     if (!selectedProjectId) {
-      setErrorMessage('Select a project first')
+      setErrorMessage('Kies eerst een werkruimte')
       return
     }
     let geometry: AreaCreate['geometry']
     try {
       geometry = JSON.parse(areaForm.geometry) as AreaCreate['geometry']
     } catch {
-      setErrorMessage('Invalid GeoJSON geometry JSON')
+      setErrorMessage('De opgegeven GeoJSON-geometrie is ongeldig')
       return
     }
     try {
@@ -233,7 +234,24 @@ export function useProjectWorkspace() {
       await loadProjectData(selectedProjectId)
       setAreaForm((previous) => ({ ...previous, name: '' }))
     } catch (error) {
-      setErrorMessage(error instanceof Error ? error.message : 'Failed to create area')
+      setErrorMessage(error instanceof Error ? error.message : 'Het gebied kon niet worden aangemaakt')
+    }
+  }
+
+  const archiveProject = async (projectId: string) => {
+    setArchivingProjectId(projectId)
+    setErrorMessage(null)
+    try {
+      await projectsApi.update(projectId, { status: 'archived' })
+      if (selectedProjectId === projectId) {
+        setSelectedProjectId(null)
+        resetProjectData()
+      }
+      await loadProjects()
+    } catch (error) {
+      setErrorMessage(error instanceof Error ? error.message : 'De werkruimte kon niet worden gearchiveerd')
+    } finally {
+      setArchivingProjectId(null)
     }
   }
 
@@ -252,6 +270,7 @@ export function useProjectWorkspace() {
     loadingProjects,
     loadingAreas,
     loadingDatasets,
+    archivingProjectId,
     errorMessage,
     projectForm,
     areaForm,
@@ -259,6 +278,7 @@ export function useProjectWorkspace() {
     loadProjectData,
     createProject,
     createArea,
+    archiveProject,
     resetProjectData,
     setSelectedProjectId,
     setErrorMessage,