Ajout d'une query GraphQL pour vérifier les autorisations côté serveur

- Intégration des vérifications de droits sur la page de
  création/modification des groupes de travail

client/src/gql/mutations/workgroups.tsx

@@ -1,5 +1,6 @@
-import { gql, useQuery, useMutation } from '@apollo/client';
+import { gql, useQuery, useMutation, FetchResult } from '@apollo/client';
 import { QUERY_WORKGROUP } from '../queries/workgroups';
+import { QUERY_IS_AUTHORIZED } from '../queries/authorization';
 
 export const MUTATION_UPDATE_WORKGROUP = gql`
 mutation updateWorkgroup($workgroupId: ID!, $changes: WorkgroupChanges!) {
@@ -57,7 +58,19 @@ mutation joinWorkgroup($workgroupId: ID!) {
 }`;
 
 export function useJoinWorkgroupMutation() {
-  return useMutation(MUTATION_JOIN_WORKGROUP);
+  return useMutation(MUTATION_JOIN_WORKGROUP, {
+    refetchQueries: ({ data }: FetchResult) => {
+      return [{
+        query: QUERY_IS_AUTHORIZED,
+        variables: {
+          action: 'update',
+          object: {
+            workgroupId: data.joinWorkgroup.id,
+          }
+        }
+      }]
+    }
+  });
 }
 
 const MUTATION_LEAVE_WORKGROUP = gql`
@@ -76,7 +89,27 @@ mutation leaveWorkgroup($workgroupId: ID!) {
 }`;
 
 export function useLeaveWorkgroupMutation() {
-  return useMutation(MUTATION_LEAVE_WORKGROUP);
+  return useMutation(MUTATION_LEAVE_WORKGROUP, {
+    refetchQueries: ({ data }: FetchResult) => {
+      return [{
+        query: QUERY_WORKGROUP,
+        variables: {
+          filter: {
+            ids: [data.leaveWorkgroup.id],
+          }
+        }
+      },
+      {
+        query: QUERY_IS_AUTHORIZED,
+        variables: {
+          action: 'update',
+          object: {
+            workgroupId: data.leaveWorkgroup.id,
+          }
+        }
+      }]
+    }
+  });
 }
 
 const MUTATION_CLOSE_WORKGROUP = gql`