API & Client - update registration activation on user register/delete

+ minor refactor on administration (fix #15)

fittrackee_client/src/components/Admin/AdminApplication.jsx

@@ -82,8 +82,15 @@ class AdminApplication extends React.Component {
                       >
                         {t(
                           // eslint-disable-next-line max-len
-                          'administration:Max. number of active users (if 0, no limitation)'
+                          'administration:Max. number of active users'
                         )}
+                        <sup>
+                          <i
+                            className="fa fa-question-circle"
+                            aria-hidden="true"
+                            title={t('administration:if 0, no limitation')}
+                          />
+                        </sup>
                         :
                       </label>
                       <input
@@ -197,7 +204,6 @@ class AdminApplication extends React.Component {
 
 export default connect(
   state => ({
-    appConfig: state.application.config,
     message: state.message,
   }),
   dispatch => ({

fittrackee_client/src/components/Admin/AdminDashboard.jsx

@@ -4,7 +4,7 @@ import { Link } from 'react-router-dom'
 import AdminStats from './AdminStats'
 
 export default function AdminDashboard(props) {
-  const { t } = props
+  const { appConfig, t } = props
   return (
     <div className="card activity-card">
       <div className="card-header">
@@ -27,7 +27,15 @@ export default function AdminDashboard(props) {
             {t(
               'administration:Update application configuration ' +
                 '(maximum number of registered users, maximum files size).'
-            )}{' '}
+            )}
+            <br />
+            <strong>
+              {t(
+                `administration:Registration is currently ${
+                  appConfig.is_registration_enabled ? 'enabled' : 'disabled'
+                }.`
+              )}
+            </strong>
           </dd>
           <br />
           <dt>

fittrackee_client/src/components/Admin/index.jsx

@@ -11,7 +11,7 @@ import AdminUsers from './AdminUsers'
 import NotFound from './../Others/NotFound'
 
 function Admin(props) {
-  const { t, user } = props
+  const { appConfig, t, user } = props
   return (
     <>
       <Helmet>
@@ -23,12 +23,12 @@ function Admin(props) {
             <Route
               exact
               path="/admin"
-              render={() => <AdminDashboard t={t} />}
+              render={() => <AdminDashboard appConfig={appConfig} t={t} />}
             />
             <Route
               exact
               path="/admin/application"
-              render={() => <AdminApplication t={t} />}
+              render={() => <AdminApplication appConfig={appConfig} t={t} />}
             />
             <Route
               exact
@@ -52,6 +52,7 @@ function Admin(props) {
 
 export default withTranslation()(
   connect(state => ({
+    appConfig: state.application.config,
     user: state.user,
   }))(Admin)
 )