automatically fetch news from github

1 files changed, 58 insertions, 4 deletions

diff --git a/src/components/News.vue b/src/components/News.vue
index 8a58514..c92e17f 100644
--- a/src/components/News.vue
+++ b/src/components/News.vue
@@ -2,10 +2,11 @@
 	<div class="news" v-if="count">
 		<span v-if="!entries.length">(no news entries)</span>
 
-		<article class="entry" v-for="entry in entries" :id="entry.date">
-			<a :href="'#' + entry.date">{{ entry.title }}</a>
+		<article class="entry" v-for="entry in entries" :id="entry.id">
+			<a :href="'#' + entry.id">{{ entry.title }}</a>
 			<time :datetime="entry.date" class="date">{{ entry.date }}</time>
 			<section class="body" v-html="entry.html"></section>
+			<q>{{entry.author}}</q>
 		</article>
 	</div>
 </template>
@@ -30,15 +31,39 @@
 
 	& .body {
 		margin-top: 5px;
+
+		& :any-link {
+			color: inherit;
+			text-decoration: none;
+
+			&::before {
+				content: "➜ ";
+				color: blue;
+			}
+
+			&:hover {
+				text-decoration: underline;
+			}
+		}
+	}
+
+	& q {
+		color: #009000;
+		margin-top: 0.5em;
+		display: inline-block;
+
+		&::before {
+			content: "– ";
+		}
 	}
 }
 </style>
 
 <script lang="ts">
 import { Component, Prop, Vue } from "vue-property-decorator";
-import newsEntries from "@/assets/news.json";
 
 interface NewsEntry {
+	id: string;
 	title: string;
 	date: string;
 	author: string;
@@ -49,6 +74,35 @@ interface NewsEntry {
 export default class News extends Vue {
 	@Prop({ default: Infinity }) private count!: number;
 	@Prop({ default: 0 }) private from!: number;
-	private entries: NewsEntry[] = (newsEntries as NewsEntry[]).slice(this.from, this.count);
+	private entries: NewsEntry[] = [];
+
+	mounted () {
+		// restore from cache while we're loading a fresh copy
+		if (Reflect.has(self, "localStorage")) {
+			let newsCache = localStorage.getItem("newsCache");
+
+			if (newsCache !== null) {
+				this.entries = (JSON.parse(newsCache) as NewsEntry[]).slice(this.from, this.count);
+			}
+		}
+
+		const req = new Request(process.env.VUE_APP_NEWS_JSON, {
+			method: "GET",
+			cache: "default", // serve if fresh, else fetch
+		});
+
+		fetch(req)
+		.then(data => data.json())
+		.then(data => {
+			this.entries = (data as NewsEntry[]).slice(this.from, this.count);
+
+			if (Reflect.has(self, "localStorage")) {
+				localStorage.setItem("newsCache", JSON.stringify(data));
+			}
+		})
+		.catch(e => {
+			// no news (will use cache, if any)
+		})
+	}
 }
 </script>