Cache all articles in IndexedDB

webclient/src/Article.js

@@ -1,16 +1,15 @@
 import React from 'react';
 import { Link } from 'react-router-dom';
 import { Helmet } from 'react-helmet';
+import localForage from 'localforage';
 import { sourceLink, infoLine, ToggleDot } from './utils.js';
 
 class Article extends React.Component {
 	constructor(props) {
 		super(props);
 
-		const id = this.props.match.params.id;
-
 		this.state = {
-			story: JSON.parse(localStorage.getItem(id)) || false,
+			story: false,
 			error: false,
 		};
 	}
@@ -18,12 +17,19 @@ class Article extends React.Component {
 	componentDidMount() {
 		const id = this.props.match.params.id;
 
+		localForage.getItem(id)
+			.then(
+				(value) => {
+					this.setState({ story: value });
+				}
+			);
+
 		fetch('/api/' + id)
 			.then(res => res.json())
 			.then(
 				(result) => {
 					this.setState({ story: result.story });
-					localStorage.setItem(id, JSON.stringify(result.story));
+					localForage.setItem(id, result.story);
 				},
 				(error) => {
 					this.setState({ error: true });

webclient/src/Comments.js

@@ -3,16 +3,15 @@ import { Link } from 'react-router-dom';
 import { HashLink } from 'react-router-hash-link';
 import { Helmet } from 'react-helmet';
 import moment from 'moment';
+import localForage from 'localforage';
 import { sourceLink, infoLine, ToggleDot } from './utils.js';
 
 class Article extends React.Component {
 	constructor(props) {
 		super(props);
 
-		const id = this.props.match.params.id;
-
 		this.state = {
-			story: JSON.parse(localStorage.getItem(id)) || false,
+			story: false,
 			error: false,
 		};
 	}
@@ -20,17 +19,24 @@ class Article extends React.Component {
 	componentDidMount() {
 		const id = this.props.match.params.id;
 
+		localForage.getItem(id)
+			.then(
+				(value) => {
+					this.setState({ story: value });
+				}
+			);
+
 		fetch('/api/' + id)
 			.then(res => res.json())
 			.then(
 				(result) => {
-					localStorage.setItem(id, JSON.stringify(result.story));
 					this.setState({ story: result.story }, () => {
 						const hash = window.location.hash.substring(1);
 						if (hash) {
 							document.getElementById(hash).scrollIntoView();
 						}
 					});
+					localForage.setItem(id, result.story);
 				},
 				(error) => {
 					this.setState({ error: true });

webclient/src/Feed.js

@@ -1,8 +1,8 @@
 import React from 'react';
 import { Link } from 'react-router-dom';
 import { Helmet } from 'react-helmet';
+import localForage from 'localforage';
 import { siteLogo, sourceLink, infoLine } from './utils.js';
-import { clearStorage } from './utils.js';
 
 class Feed extends React.Component {
 	constructor(props) {
@@ -19,18 +19,24 @@ class Feed extends React.Component {
 			.then(res => res.json())
 			.then(
 				(result) => {
+					const updated = !this.state.stories || this.state.stories[0].id !== result.stories[0].id;
+					console.log('updated:', updated);
+
 					this.setState({ stories: result.stories });
-					clearStorage();
 					localStorage.setItem('stories', JSON.stringify(result.stories));
-					result.stories.filter(x => x.score >= 20).slice(0, 25).forEach(x => {
-						fetch('/api/' + x.id)
-							.then(res => res.json())
-							.then(result => {
-								localStorage.setItem(x.id, JSON.stringify(result.story));
-								console.log('Preloaded story', x.id, x.title);
-							}, error => {}
-						);
-					});
+
+					if (updated) {
+						localForage.clear();
+						result.stories.forEach(x => {
+							fetch('/api/' + x.id)
+								.then(res => res.json())
+								.then(result => {
+									localForage.setItem(x.id, result.story)
+										.then(console.log('preloaded', x.id, x.title));
+								}, error => {}
+							);
+						});
+					}
 				},
 				(error) => {
 					this.setState({ error: true });

webclient/src/Style-light.css

@@ -109,7 +109,7 @@ span.source {
 	height: auto;
 }
 
-.article figure {
+.article figure, .article video {
 	width: 100%;
 	height: auto;
 	margin: 0;

webclient/src/utils.js

@@ -29,12 +29,6 @@ export const infoLine = (story) =>
 	</div>
 ;
 
-export const clearStorage = () => {
-	const themeSetting = localStorage.getItem('theme');
-	localStorage.clear();
-	localStorage.setItem('theme', themeSetting);
-};
-
 export class ToggleDot extends React.Component {
 	render() {
 		const id = this.props.id;