Merge pull request #50 from which-ecosystem/search

SearchBar functionality

1 files changed, 87 insertions, 3 deletions

diff --git a/src/components/Header/SearchBar.tsx b/src/components/Header/SearchBar.tsx
index 182a1a4..2be8f6f 100644
--- a/src/components/Header/SearchBar.tsx
+++ b/src/components/Header/SearchBar.tsx
@@ -1,27 +1,111 @@
-import React from 'react';
+import React, { useState, useEffect } from 'react';
 import SearchIcon from '@material-ui/icons/Search';
-import { InputBase } from '@material-ui/core';
+import {
+  InputBase,
+  List,
+  ListItem,
+  Paper,
+  Divider,
+  ClickAwayListener
+} from '@material-ui/core';
 import { makeStyles } from '@material-ui/core/styles';
+import { User } from 'which-types';
+import { get } from '../../requests';
+import UserStrip from '../UserStrip/UserStrip';
+
+interface PropTypes {
+  navigate: (prefix: string, id: string) => void;
+}
+
+const INTERVAL = 300;
 
 const useStyles = makeStyles(theme => ({
   root: {
+    position: 'relative',
     background: 'rgba(255, 255, 255, 0.5)',
     borderRadius: '2px',
     padding: theme.spacing(0.5),
     display: 'flex',
     alignItems: 'center'
+  },
+  results: {
+    position: 'absolute',
+    width: '100%',
+    top: theme.spacing(5)
   }
 }));
 
-const SearchBar: React.FC = () => {
+const SearchBar: React.FC<PropTypes> = ({ navigate }) => {
+  const [query, setQuery] = useState<string>('');
+  const [results, setResults] = useState<User[]>([]);
+  const [isReady, setIsReady] = useState<boolean>(true);
+  const [shouldRefetch, setShouldRefetch] = useState<boolean>(false);
   const classes = useStyles();
 
+  const sleep = () => {
+    setIsReady(false);
+    setTimeout(() => setIsReady(true), INTERVAL);
+  };
+
+  const fetchPolls = () => {
+    sleep();
+    get(`/users?username[$regex]=${query}`).then(response => {
+      setResults(response.data);
+    });
+  };
+
+  useEffect(() => {
+    if (isReady && shouldRefetch) {
+      fetchPolls();
+      setShouldRefetch(false);
+    }
+  }, [isReady]);
+
+
+  const handleChange = (event: React.ChangeEvent<HTMLInputElement>): void => {
+    setQuery(event.target.value);
+    if (isReady) fetchPolls();
+    else setShouldRefetch(true);
+  };
+
+  const handleClose = () => {
+    setQuery('');
+    setResults([]);
+  };
+
+  const handleNavigate = (index: number) => () => {
+    navigate('profile', results[index]._id);
+    handleClose();
+  };
+
+  const SearchResults = (
+    <ClickAwayListener onClickAway={handleClose}>
+      <Paper className={classes.results}>
+        <List>
+          {
+          results.map((result, index) => (
+            <>
+              <ListItem button onClick={handleNavigate(index)}>
+                <UserStrip user={result} navigate={navigate} />
+              </ListItem>
+              {(index < results.length - 1) && <Divider />}
+            </>
+          ))
+        }
+        </List>
+      </Paper>
+    </ClickAwayListener>
+  );
+
   return (
     <div className={classes.root}>
       <SearchIcon />
       <InputBase
         placeholder="Search..."
+        value={query}
+        onChange={handleChange}
       />
+      {results.length > 0 && SearchResults}
     </div>
   );
 };