EditFederationModal: handle submission

app/soapbox/actions/instance.js

@@ -9,7 +9,7 @@ export const NODEINFO_FETCH_FAIL    = 'NODEINFO_FETCH_FAIL';
 
 export function fetchInstance() {
   return (dispatch, getState) => {
-    api(getState).get('/api/v1/instance').then(response => {
+    return api(getState).get('/api/v1/instance').then(response => {
       dispatch(importInstance(response.data));
       const v = parseVersion(get(response.data, 'version'));
       if (v.software === 'Pleroma' && !get(response.data, ['pleroma', 'metadata'])) {

app/soapbox/actions/mrf.js

@@ -0,0 +1,44 @@
+import { fetchInstance } from './instance';
+import { updateConfig } from './admin';
+import { Set as ImmutableSet } from 'immutable';
+
+const simplePolicyMerge = (simplePolicy, host, restrictions) => {
+  return simplePolicy.map((hosts, key) => {
+    const isRestricted = restrictions.get(key);
+
+    if (isRestricted) {
+      return ImmutableSet(hosts).add(host);
+    } else {
+      return ImmutableSet(hosts).delete(host);
+    }
+  });
+};
+
+const simplePolicyToConfig = simplePolicy => {
+  const value = simplePolicy.map((hosts, key) => (
+    { tuple: [`:${key}`, hosts.toJS()] }
+  )).toList();
+
+  return [{
+    group: ':pleroma',
+    key: ':mrf_simple',
+    value,
+  }];
+};
+
+export function updateMrf(host, restrictions) {
+  return (dispatch, getState) => {
+    return dispatch(fetchInstance())
+      .then(() => {
+        const simplePolicy = getState().getIn(['instance', 'pleroma', 'metadata', 'federation', 'mrf_simple']);
+        const merged = simplePolicyMerge(simplePolicy, host, restrictions);
+        const config = simplePolicyToConfig(merged);
+        dispatch(updateConfig(config));
+
+        // TODO: Make this less insane
+        setTimeout(() => {
+          dispatch(fetchInstance());
+        }, 1000);
+      });
+  };
+}

app/soapbox/features/ui/components/edit_federation_modal.js

@@ -7,6 +7,8 @@ import { defineMessages, injectIntl } from 'react-intl';
 import { SimpleForm, Checkbox } from 'soapbox/features/forms';
 import { makeGetRemoteInstance } from 'soapbox/selectors';
 import { Map as ImmutableMap } from 'immutable';
+import { updateMrf } from 'soapbox/actions/mrf';
+import snackbar from 'soapbox/actions/snackbar';
 
 const getRemoteInstance = makeGetRemoteInstance();
 
@@ -17,6 +19,7 @@ const messages = defineMessages({
   unlisted: { id: 'edit_federation.unlisted', defaultMessage: 'Force posts unlisted' },
   followersOnly: { id: 'edit_federation.followers_only', defaultMessage: 'Hide posts except to followers' },
   save: { id: 'edit_federation.save', defaultMessage: 'Save' },
+  success: { id: 'edit_federation.success', defaultMessage: '{host} federation was updated' },
 });
 
 const mapStateToProps = (state, { host }) => {
@@ -61,7 +64,14 @@ class EditFederationModal extends ImmutablePureComponent {
   }
 
   handleSubmit = e => {
-    // TODO
+    const { intl, dispatch, host, onClose } = this.props;
+    const { data } = this.state;
+
+    dispatch(updateMrf(host, data))
+      .then(() => dispatch(snackbar.success(intl.formatMessage(messages.success, { host }))))
+      .catch(() => {});
+
+    onClose();
   }
 
   render() {