feat: able to add more UI theme (#860)

web/default/src/components/GitHubOAuth.js

@@ -0,0 +1,58 @@
+import React, { useContext, useEffect, useState } from 'react';
+import { Dimmer, Loader, Segment } from 'semantic-ui-react';
+import { useNavigate, useSearchParams } from 'react-router-dom';
+import { API, showError, showSuccess } from '../helpers';
+import { UserContext } from '../context/User';
+
+const GitHubOAuth = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+
+  const [userState, userDispatch] = useContext(UserContext);
+  const [prompt, setPrompt] = useState('处理中...');
+  const [processing, setProcessing] = useState(true);
+
+  let navigate = useNavigate();
+
+  const sendCode = async (code, state, count) => {
+    const res = await API.get(`/api/oauth/github?code=${code}&state=${state}`);
+    const { success, message, data } = res.data;
+    if (success) {
+      if (message === 'bind') {
+        showSuccess('绑定成功！');
+        navigate('/setting');
+      } else {
+        userDispatch({ type: 'login', payload: data });
+        localStorage.setItem('user', JSON.stringify(data));
+        showSuccess('登录成功！');
+        navigate('/');
+      }
+    } else {
+      showError(message);
+      if (count === 0) {
+        setPrompt(`操作失败，重定向至登录界面中...`);
+        navigate('/setting'); // in case this is failed to bind GitHub
+        return;
+      }
+      count++;
+      setPrompt(`出现错误，第 ${count} 次重试中...`);
+      await new Promise((resolve) => setTimeout(resolve, count * 2000));
+      await sendCode(code, state, count);
+    }
+  };
+
+  useEffect(() => {
+    let code = searchParams.get('code');
+    let state = searchParams.get('state');
+    sendCode(code, state, 0).then();
+  }, []);
+
+  return (
+    <Segment style={{ minHeight: '300px' }}>
+      <Dimmer active inverted>
+        <Loader size='large'>{prompt}</Loader>
+      </Dimmer>
+    </Segment>
+  );
+};
+
+export default GitHubOAuth;