Add governed GRB refresh workflow

frontend/src/hooks/useSourceFreshness.ts

@@ -1,7 +1,7 @@
 import { useCallback, useEffect, useRef, useState } from 'react'
 
 import { datasetsApi } from '../services/api'
-import type { SourceCatalogProbeReport, SourceFreshnessReport } from '../types'
+import type { GrbRefreshPlan, SourceCatalogProbeReport, SourceFreshnessReport } from '../types'
 
 export function useSourceFreshness(selectedProjectId: string | null) {
   const [report, setReport] = useState<SourceFreshnessReport | null>(null)
@@ -12,6 +12,9 @@ export function useSourceFreshness(selectedProjectId: string | null) {
   const [catalogReport, setCatalogReport] = useState<SourceCatalogProbeReport | null>(null)
   const [catalogLoading, setCatalogLoading] = useState(false)
   const [catalogError, setCatalogError] = useState<string | null>(null)
+  const [grbRefreshPlan, setGrbRefreshPlan] = useState<GrbRefreshPlan | null>(null)
+  const [grbRefreshPlanLoading, setGrbRefreshPlanLoading] = useState(false)
+  const [grbRefreshPlanError, setGrbRefreshPlanError] = useState<string | null>(null)
 
   const refresh = useCallback(async () => {
     const requestId = ++requestSequence.current
@@ -45,10 +48,15 @@ export function useSourceFreshness(selectedProjectId: string | null) {
       setCatalogReport(null)
       setCatalogError(null)
       setCatalogLoading(false)
+      setGrbRefreshPlan(null)
+      setGrbRefreshPlanError(null)
+      setGrbRefreshPlanLoading(false)
       return
     }
     setCatalogLoading(true)
     setCatalogError(null)
+    setGrbRefreshPlanLoading(true)
+    setGrbRefreshPlanError(null)
     try {
       const nextReport = await datasetsApi.sourceCatalogProbes(selectedProjectId, force)
       if (catalogRequestSequence.current === requestId) {
@@ -58,9 +66,25 @@ export function useSourceFreshness(selectedProjectId: string | null) {
       if (catalogRequestSequence.current === requestId) {
         setCatalogError(caught instanceof Error ? caught.message : 'De officiële broncatalogi konden niet worden gecontroleerd.')
       }
+      if (catalogRequestSequence.current === requestId) {
+        setCatalogLoading(false)
+        setGrbRefreshPlanLoading(false)
+      }
+      return
+    }
+    try {
+      const nextPlan = await datasetsApi.grbRefreshPlan(selectedProjectId)
+      if (catalogRequestSequence.current === requestId) {
+        setGrbRefreshPlan(nextPlan)
+      }
+    } catch (caught) {
+      if (catalogRequestSequence.current === requestId) {
+        setGrbRefreshPlanError(caught instanceof Error ? caught.message : 'Het veilige GRB-vernieuwingsplan kon niet worden opgebouwd.')
+      }
     } finally {
       if (catalogRequestSequence.current === requestId) {
         setCatalogLoading(false)
+        setGrbRefreshPlanLoading(false)
       }
     }
   }, [selectedProjectId])
@@ -77,6 +101,9 @@ export function useSourceFreshness(selectedProjectId: string | null) {
     setCatalogReport(null)
     setCatalogError(null)
     setCatalogLoading(false)
+    setGrbRefreshPlan(null)
+    setGrbRefreshPlanError(null)
+    setGrbRefreshPlanLoading(false)
   }, [selectedProjectId])
 
   return {
@@ -88,5 +115,8 @@ export function useSourceFreshness(selectedProjectId: string | null) {
     catalogLoading,
     catalogError,
     probeCatalogs,
+    grbRefreshPlan,
+    grbRefreshPlanLoading,
+    grbRefreshPlanError,
   }
 }