Added feature to export servers list

src/index.scss

@@ -21,7 +21,8 @@ body,
 .dropdown-item {
   cursor: pointer;
 }
-.dropdown-item.active {
+.dropdown-item.active,
+.dropdown-item:active {
   @extend .bg-main;
 }
 

src/servers/ServersDropdown.js

@@ -1,4 +1,4 @@
-import { isEmpty, pick } from 'ramda';
+import { isEmpty, pick, values } from 'ramda';
 import React from 'react';
 import { connect } from 'react-redux';
 import { Link } from 'react-router-dom';
@@ -6,27 +6,39 @@ import { DropdownItem, DropdownMenu, DropdownToggle, UncontrolledDropdown } from
 
 import { listServers } from './reducers/server';
 import { selectServer } from '../servers/reducers/selectedServer';
+import serversExporter from '../servers/services/ServersExporter';
+
+const defaultProps = {
+  serversExporter,
+};
 
 export class ServersDropdown extends React.Component {
   renderServers = () => {
-    const { servers, selectedServer, selectServer } = this.props;
+    const { servers, selectedServer, selectServer, serversExporter } = this.props;
 
     if (isEmpty(servers)) {
       return <DropdownItem disabled><i>Add a server first...</i></DropdownItem>
     }
 
-    return Object.values(servers).map(({ name, id }) => (
-      <span key={id}>
-        <DropdownItem
-          tag={Link}
-          to={`/server/${id}/list-short-urls/1`}
-          active={selectedServer && selectedServer.id === id}
-          onClick={() => selectServer(id)} // FIXME This should be implicit
-        >
-          {name}
+    return (
+      <React.Fragment>
+        {values(servers).map(({ name, id }) => (
+          <DropdownItem
+            key={id}
+            tag={Link}
+            to={`/server/${id}/list-short-urls/1`}
+            active={selectedServer && selectedServer.id === id}
+            onClick={() => selectServer(id)} // FIXME This should be implicit
+          >
+            {name}
+          </DropdownItem>
+        ))}
+        <DropdownItem divider />
+        <DropdownItem onClick={serversExporter.exportServers}>
+          Export servers
         </DropdownItem>
-      </span>
-    ));
+      </React.Fragment>
+    );
   };
 
   componentDidMount() {
@@ -35,12 +47,17 @@ export class ServersDropdown extends React.Component {
 
   render() {
     return (
-      <UncontrolledDropdown nav>
+      <UncontrolledDropdown nav inNavbar>
         <DropdownToggle nav caret>Servers</DropdownToggle>
-        <DropdownMenu>{this.renderServers()}</DropdownMenu>
+        <DropdownMenu right>{this.renderServers()}</DropdownMenu>
       </UncontrolledDropdown>
     );
   }
 }
 
-export default connect(pick(['servers', 'selectedServer']), { listServers, selectServer })(ServersDropdown);
+ServersDropdown.defaultProps = defaultProps;
+
+export default connect(
+  pick(['servers', 'selectedServer']),
+  { listServers, selectServer }
+)(ServersDropdown);

src/servers/services/ServersExporter.js

@@ -0,0 +1,54 @@
+import Storage from '../../utils/Storage';
+import jsonexport from 'jsonexport/dist';
+import { dissoc, values } from 'ramda';
+
+const SERVERS_STORAGE_KEY = 'servers';
+
+const saveCsv = (window, csv) => {
+  const { navigator, document } = window;
+  const filename = 'shlink-servers.csv';
+  const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });
+
+  // IE10 and IE11
+  if (navigator.msSaveBlob) {
+    navigator.msSaveBlob(blob, filename);
+    return;
+  }
+
+  // Modern browsers
+  const link = document.createElement('a');
+  const url = URL.createObjectURL(blob);
+  link.setAttribute('href', url);
+  link.setAttribute('download', filename);
+  link.style.visibility = 'hidden';
+  document.body.appendChild(link);
+  link.click();
+  document.body.removeChild(link);
+};
+
+export class ServersExporter {
+  constructor(storage, window, jsonexport) {
+    this.storage = storage;
+    this.window = window;
+    this.jsonexport = jsonexport;
+  }
+
+  exportServers = async () => {
+    const servers = values(this.storage.get(SERVERS_STORAGE_KEY) || {}).map(
+      dissoc('id')
+    );
+
+    try {
+      const csv = await new Promise((resolve, reject) => {
+        this.jsonexport(servers, (err, csv) => err ? reject(err) : resolve(csv));
+      });
+
+      saveCsv(this.window, csv);
+    } catch (e) {
+      // FIXME Handle error
+      console.error(e);
+    }
+  };
+}
+
+export default new ServersExporter(Storage, global.window, jsonexport);