settings: Add nobody option for invite_to_realm_policy in frontend.

frontend_tests/node_tests/settings_data.js

@@ -259,3 +259,11 @@ run_test("using_dark_theme", () => {
     page_params.color_scheme = settings_config.color_scheme_values.day.code;
     assert.equal(settings_data.using_dark_theme(), false);
 });
+
+run_test("user_can_invite_others_to_realm_nobody_case", () => {
+    page_params.is_admin = true;
+    page_params.is_guest = false;
+    page_params.realm_invite_to_realm_policy =
+        settings_config.invite_to_realm_policy_values.nobody.code;
+    assert.equal(settings_data.user_can_invite_others_to_realm(), false);
+});

static/js/settings_config.js

@@ -130,6 +130,34 @@ export const common_policy_values = {
     },
 };
 
+export const invite_to_realm_policy_values = {
+    nobody: {
+        order: 1,
+        code: 6,
+        description: $t({defaultMessage: "Nobody"}),
+    },
+    by_admins_only: {
+        order: 2,
+        code: 2,
+        description: $t({defaultMessage: "Admins"}),
+    },
+    by_moderators_only: {
+        order: 3,
+        code: 4,
+        description: $t({defaultMessage: "Admins and moderators"}),
+    },
+    by_full_members: {
+        order: 4,
+        code: 3,
+        description: $t({defaultMessage: "Admins and full members"}),
+    },
+    by_members: {
+        order: 5,
+        code: 1,
+        description: $t({defaultMessage: "Admins and members"}),
+    },
+};
+
 export const private_message_policy_values = {
     by_anyone: {
         order: 1,

static/js/settings_data.js

@@ -137,6 +137,12 @@ function user_has_permission(policy_value) {
 }
 
 export function user_can_invite_others_to_realm() {
+    if (
+        page_params.realm_invite_to_realm_policy ===
+        settings_config.invite_to_realm_policy_values.nobody.code
+    ) {
+        return false;
+    }
     return user_has_permission(page_params.realm_invite_to_realm_policy);
 }
 

static/js/settings_org.js

@@ -104,6 +104,9 @@ export function get_organization_settings_options() {
     options.common_message_policy_values = get_sorted_options_list(
         settings_config.common_message_policy_values,
     );
+    options.invite_to_realm_policy_values = get_sorted_options_list(
+        settings_config.invite_to_realm_policy_values,
+    );
     return options;
 }
 

static/templates/settings/organization_permissions_admin.hbs

@@ -10,7 +10,7 @@
                 <div class="input-group">
                     <label for="realm_invite_to_realm_policy" class="dropdown-title">{{t "Who can invite users to this organization" }}</label>
                     <select name="realm_invite_to_realm_policy" id="id_realm_invite_to_realm_policy" class="prop-element" data-setting-widget-type="number">
-                        {{> dropdown_options_widget option_values=common_policy_values}}
+                        {{> dropdown_options_widget option_values=invite_to_realm_policy_values}}
                     </select>
                     {{> settings_checkbox
                       setting_name="realm_invite_required"