+ client: handle DNS config

client/src/reducers/dnsConfig.js

@@ -0,0 +1,36 @@
+import { handleActions } from 'redux-actions';
+
+import * as actions from '../actions/dnsConfig';
+import { BLOCKING_MODES } from '../helpers/constants';
+
+const dnsConfig = handleActions(
+    {
+        [actions.getDnsConfigRequest]: state => ({ ...state, processingGetConfig: true }),
+        [actions.getDnsConfigFailure]: state =>
+            ({ ...state, processingGetConfig: false }),
+        [actions.getDnsConfigSuccess]: (state, { payload }) => ({
+            ...state,
+            ...payload,
+            processingGetConfig: false,
+        }),
+
+        [actions.setDnsConfigRequest]: state => ({ ...state, processingSetConfig: true }),
+        [actions.setDnsConfigFailure]: state =>
+            ({ ...state, processingSetConfig: false }),
+        [actions.setDnsConfigSuccess]: (state, { payload }) => ({
+            ...state,
+            ...payload,
+            processingSetConfig: false,
+        }),
+    },
+    {
+        processingGetConfig: false,
+        processingSetConfig: false,
+        blocking_mode: BLOCKING_MODES.nxdomain,
+        ratelimit: 20,
+        blocking_ipv4: '',
+        blocking_ipv6: '',
+    },
+);
+
+export default dnsConfig;