Move archive to Whoosh and add search

apiserver/.gitignore

@@ -107,3 +107,5 @@ db.sqlite3
 
 praw.ini
 data.db
+data.db.bak
+data/archive/*

apiserver/archive.py

@@ -0,0 +1,52 @@
+from whoosh.analysis import StemmingAnalyzer, CharsetFilter, NgramFilter
+from whoosh.index import create_in, open_dir, exists_in
+from whoosh.fields import *
+from whoosh.qparser import QueryParser
+from whoosh.support.charset import accent_map
+
+analyzer = StemmingAnalyzer() | CharsetFilter(accent_map) | NgramFilter(minsize=3)
+
+title_field = TEXT(analyzer=analyzer, stored=True)
+id_field = ID(unique=True, stored=True)
+
+schema = Schema(
+        id=id_field,
+        title=title_field,
+        story=STORED,
+        )
+
+ARCHIVE_LOCATION = 'data/archive'
+
+ix = None
+
+def init():
+    global ix
+
+    if exists_in(ARCHIVE_LOCATION):
+        ix = open_dir(ARCHIVE_LOCATION)
+    else:
+        ix = create_in(ARCHIVE_LOCATION, schema)
+
+def update(story):
+    writer = ix.writer()
+    writer.update_document(
+            id=story['id'],
+            title=story['title'],
+            story=story,
+            )
+    writer.commit()
+
+def get_story(id):
+    with ix.searcher() as searcher:
+        result = searcher.document(id=id)
+        return result['story'] if result else None
+
+def search(search):
+    with ix.searcher() as searcher:
+        query = QueryParser('title', ix.schema).parse(search)
+        results = searcher.search(query)
+        stories = [r['story'] for r in results]
+        for s in stories:
+            s.pop('text', '')
+            s.pop('comments', '')
+        return stories

apiserver/migrate-shelve-to-whoosh.py

@@ -0,0 +1,26 @@
+import shelve
+
+import archive
+
+archive.init()
+
+#with shelve.open('data/data') as db:
+#    to_delete = []
+#
+#    for s in db.values():
+#        if 'title' in s:
+#            archive.update(s)
+#        if 'id' in s:
+#            to_delete.append(s['id'])
+#
+#    for id in to_delete:
+#        del db[id]
+#
+#    for s in db['news_cache'].values():
+#        if 'title' in s:
+#            archive.update(s)
+
+#with shelve.open('data/whoosh') as db:
+#    for s in db['news_cache'].values():
+#        if 'title' in s and not archive.get_story(s['id']):
+#            archive.update(s)

apiserver/server.py

@@ -9,6 +9,7 @@ import time
 import shelve
 from urllib.parse import urlparse
 
+import archive
 import feed
 from utils import gen_rand_id
 
@@ -16,6 +17,8 @@ from flask import abort, Flask, request, render_template
 from werkzeug.exceptions import NotFound
 from flask_cors import CORS
 
+archive.init()
+
 CACHE_LENGTH = 300
 DATA_FILE = 'data/data'
 
@@ -29,11 +32,9 @@ with shelve.open(DATA_FILE) as db:
 
 def get_story(id):
     if id in news_cache:
-        return {'story': news_cache[id]}
-    with shelve.open(DATA_FILE) as db:
-        if id in db:
-            return {'story': db[id]}
-    return None
+        return news_cache[id]
+    else:
+        return archive.get_story(id)
 
 build_folder = '../webclient/build'
 flask_app = Flask(__name__, template_folder=build_folder, static_folder=build_folder, static_url_path='')
@@ -42,15 +43,26 @@ cors = CORS(flask_app)
 @flask_app.route('/api')
 def api():
     front_page = [news_cache[news_ref_to_id[ref]] for ref in news_list]
-    front_page = [copy.copy(x) for x in front_page if 'text' in x and x['text']][:100]
-    for story in front_page:
-        if 'comments' in story: story.pop('comments')
-        if 'text' in story: story.pop('text')
+    front_page = [x for x in front_page if 'title' in x and x['title']]
+    front_page = front_page[:100]
+    to_remove = ['text', 'comments']
+    front_page = [{k:v for k,v in s.items() if k not in to_remove} for s in front_page]
+
     return {'stories': front_page}
 
+@flask_app.route('/api/search', strict_slashes=False)
+def search():
+    search = request.args.get('q', '')
+    if len(search) >= 3:
+        res = archive.search(search)
+    else:
+        res = []
+    return {'results': res}
+
 @flask_app.route('/api/<id>')
 def story(id):
-    return get_story(id) or abort(404)
+    story = get_story(id)
+    return dict(story=story) if story else abort(404)
 
 @flask_app.route('/')
 def index():
@@ -68,10 +80,7 @@ def static_story(id):
         pass
 
     story = get_story(id)
-    if story:
-        story = story['story']
-    else:
-        return abort(404)
+    if not story: return abort(404)
 
     score = story['score']
     num_comments = story['num_comments']
@@ -94,23 +103,20 @@ web_thread.start()
 
 def new_id():
     nid = gen_rand_id()
-    with shelve.open(DATA_FILE) as db:
-        while nid in news_cache or nid in db:
+    while nid in news_cache or archive.get_story(nid):
         nid = gen_rand_id()
     return nid
 
-def remove_ref(old_ref, archive=False):
+def remove_ref(old_ref):
     while old_ref in news_list:
         news_list.remove(old_ref)
     old_story = news_cache.pop(news_ref_to_id[old_ref])
     old_id = news_ref_to_id.pop(old_ref)
     logging.info('Removed ref {} id {}.'.format(old_ref, old_id))
-    if archive:
-        with shelve.open(DATA_FILE) as db:
-            db[old_id] = old_story
 
 try:
     while True:
+        # onboard new stories
         if news_index == 0:
             feed_list = feed.list()
             new_items = [(ref, source) for ref, source in feed_list if ref not in news_list]
@@ -123,16 +129,20 @@ try:
             if len(new_items):
                 logging.info('Added {} new refs.'.format(len(new_items)))
 
+            # drop old ones
             while len(news_list) > CACHE_LENGTH:
                 old_ref = news_list[-1]
-                remove_ref(old_ref, archive=True)
+                remove_ref(old_ref)
 
+        # update current stories
         if news_index < len(news_list):
             update_ref = news_list[news_index]
             update_id = news_ref_to_id[update_ref]
             news_story = news_cache[update_id]
             valid = feed.update_story(news_story)
-            if not valid:
+            if valid:
+                archive.update(news_story)
+            else:
                 remove_ref(update_ref)
 
         time.sleep(3)

webclient/package.json

@@ -4,6 +4,7 @@
   "private": true,
   "dependencies": {
     "moment": "^2.24.0",
+    "query-string": "^6.8.3",
     "react": "^16.9.0",
     "react-dom": "^16.9.0",
     "react-helmet": "^5.2.1",

webclient/src/App.js

@@ -1,11 +1,13 @@
 import React from 'react';
-import { BrowserRouter as Router, Route, Link } from 'react-router-dom';
+import { BrowserRouter as Router, Route, Link, Switch } from 'react-router-dom';
 import './Style-light.css';
 import './Style-dark.css';
 import './fonts/Fonts.css';
 import Feed from './Feed.js';
 import Article from './Article.js';
 import Comments from './Comments.js';
+import Search from './Search.js';
+import Results from './Results.js';
 import ScrollToTop from './ScrollToTop.js';
 
 class App extends React.Component {
@@ -41,10 +43,15 @@ class App extends React.Component {
 							<br />
 							<span className='slogan'>Reddit, Hacker News, and Tildes combined, then pre-rendered in reader mode.</span>
 						</p>
+						<Route path='/(|search)' component={Search} />
 					</div>
+
 					<Route path='/' exact component={Feed} />
-					<Route path='/:id/c' exact component={Comments} />
+					<Switch>
+						<Route path='/search' component={Results} />
 						<Route path='/:id' exact component={Article} />
+					</Switch>
+					<Route path='/:id/c' exact component={Comments} />
 
 					<ScrollToTop />
 				</Router>

webclient/src/Feed.js

@@ -46,13 +46,12 @@ class Feed extends React.Component {
 			<div className='container'>
 				<Helmet>
 					<title>Feed - QotNews</title>
-					<meta name="description" content="Reddit, Hacker News, and Tildes combined, then pre-rendered in reader mode" />
 				</Helmet>
 				{error && <p>Connection error?</p>}
 				{stories ?
 					<div>
 						{stories.map((x, i) =>
-							<div className='item'>
+							<div className='item' key={i}>
 								<div className='num'>
 									{i+1}.
 								</div>

webclient/src/Results.js

@@ -0,0 +1,83 @@
+import React from 'react';
+import { Link } from 'react-router-dom';
+import { Helmet } from 'react-helmet';
+import { siteLogo, sourceLink, infoLine } from './utils.js';
+
+class Results extends React.Component {
+	constructor(props) {
+		super(props);
+
+		this.state = {
+			stories: false,
+			error: false,
+		};
+
+	}
+
+	performSearch = () => {
+		const search = this.props.location.search;
+		fetch('/api/search' + search)
+			.then(res => res.json())
+			.then(
+				(result) => {
+					this.setState({ stories: result.results });
+				},
+				(error) => {
+					this.setState({ error: true });
+				}
+			);
+	}
+
+	componentDidMount() {
+		this.performSearch();
+	}
+
+	componentDidUpdate(prevProps) {
+		if (this.props.location.search !== prevProps.location.search) {
+			this.performSearch();
+		}
+	}
+
+	render() {
+		const stories = this.state.stories;
+		const error = this.state.error;
+
+		return (
+			<div className='container'>
+				<Helmet>
+					<title>Feed - QotNews</title>
+				</Helmet>
+				{error && <p>Connection error?</p>}
+				{stories ?
+					<div>
+						{stories.length ?
+							stories.map((x, i) =>
+								<div className='item' key={i}>
+									<div className='num'>
+										{i+1}.
+									</div>
+
+									<div className='title'>
+										<Link className='link' to={'/' + x.id}>{siteLogo[x.source]} {x.title}</Link>
+
+										<span className='source'>
+											&#8203;({sourceLink(x)})
+										</span>
+									</div>
+
+									{infoLine(x)}
+								</div>
+							)
+						:
+							<p>no results</p>
+						}
+					</div>
+				:
+					<p>loading...</p>
+				}
+			</div>
+		);
+	}
+}
+
+export default Results;

webclient/src/Search.js

@@ -0,0 +1,53 @@
+import React, { Component } from 'react';
+import { withRouter } from 'react-router-dom';
+import queryString from 'query-string';
+
+const getSearch = props => queryString.parse(props.location.search).q;
+
+class Search extends Component {
+	constructor(props) {
+		super(props);
+
+		this.state = {search: getSearch(this.props)};
+		this.inputRef = React.createRef();
+	}
+
+	searchArticles = (event) => {
+		const search = event.target.value;
+		this.setState({search: search});
+		if (search.length >= 3) {
+			const searchQuery = queryString.stringify({ 'q': search });
+			this.props.history.replace('/search?' + searchQuery);
+		} else {
+			this.props.history.replace('/');
+		}
+	}
+
+	searchAgain = (event) => {
+		event.preventDefault();
+		const searchString = queryString.stringify({ 'q': event.target[0].value });
+		this.props.history.push('/search?' + searchString);
+		this.inputRef.current.blur();
+	}
+
+	render() {
+		const search = this.state.search;
+
+		return (
+			<div className='search'>
+				<div className='search-inside'>
+					<form onSubmit={this.searchAgain}>
+						<input
+							placeholder='Search...'
+							value={search}
+							onChange={this.searchArticles}
+							ref={this.inputRef}
+						/>
+					</form>
+				</div>
+			</div>
+		);
+	}
+}
+
+export default withRouter(Search);

webclient/src/Style-dark.css

@@ -6,6 +6,11 @@
 	color: #ddd;
 }
 
+.dark input {
+	color: #ddd;
+	border: 1px solid #828282;
+}
+
 .dark .item {
 	color: #828282;
 }

webclient/src/Style-light.css

@@ -11,6 +11,14 @@ a {
 	outline: none;
 }
 
+input {
+	font-size: 1.05rem;
+	background-color: transparent;
+	border: 1px solid #828282;
+	padding: 6px;
+	border-radius: 4px;
+}
+
 .container {
 	margin: 1rem auto;
 	max-width: 64rem;

webclient/yarn.lock

@@ -7817,6 +7817,15 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
+query-string@^6.8.3:
+  version "6.8.3"
+  resolved "https://registry.yarnpkg.com/query-string/-/query-string-6.8.3.tgz#fd9fb7ffb068b79062b43383685611ee47777d4b"
+  integrity sha512-llcxWccnyaWlODe7A9hRjkvdCKamEKTh+wH8ITdTc3OhchaqUZteiSCX/2ablWHVrkVIe04dntnaZJ7BdyW0lQ==
+  dependencies:
+    decode-uri-component "^0.2.0"
+    split-on-first "^1.0.0"
+    strict-uri-encode "^2.0.0"
+
 querystring-es3@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
@@ -8878,6 +8887,11 @@ spdy@^4.0.0:
     select-hose "^2.0.0"
     spdy-transport "^3.0.0"
 
+split-on-first@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/split-on-first/-/split-on-first-1.1.0.tgz#f610afeee3b12bce1d0c30425e76398b78249a5f"
+  integrity sha512-43ZssAJaMusuKWL8sKUBQXHWOpq8d6CfN/u1p4gUzfJkM05C8rxTmYrkIPTXapZpORA6LkkzcUulJ8FqA7Uudw==
+
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
@@ -8972,6 +8986,11 @@ stream-shift@^1.0.0:
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
   integrity sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=
 
+strict-uri-encode@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-2.0.0.tgz#b9c7330c7042862f6b142dc274bbcc5866ce3546"
+  integrity sha1-ucczDHBChi9rFC3CdLvMWGbONUY=
+
 string-length@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"