Improve welcome page

src/client/app/common/views/components/index.ts

@@ -1,5 +1,6 @@
 import Vue from 'vue';
 
+import tagCloud from './tag-cloud.vue';
 import trends from './trends.vue';
 import analogClock from './analog-clock.vue';
 import menu from './menu.vue';
@@ -41,6 +42,7 @@ import uiSelect from './ui/select.vue';
 import formButton from './ui/form/button.vue';
 import formRadio from './ui/form/radio.vue';
 
+Vue.component('mk-tag-cloud', tagCloud);
 Vue.component('mk-trends', trends);
 Vue.component('mk-analog-clock', analogClock);
 Vue.component('mk-menu', menu);

src/client/app/common/views/components/tag-cloud.vue

@@ -0,0 +1,90 @@
+<template>
+<div class="jtivnzhfwquxpsfidertopbmwmchmnmo">
+	<p class="fetching" v-if="fetching">%fa:spinner .pulse .fw%%i18n:common.loading%<mk-ellipsis/></p>
+	<p class="empty" v-else-if="tags.length == 0">%fa:exclamation-circle%%i18n:@empty%</p>
+	<div v-else>
+		<vue-word-cloud
+				:words="tags.map(x => [x.name, x.count])"
+				:color="color"
+				font-family="Roboto">
+			<template slot-scope="{word, text, weight}">
+				<div style="cursor: pointer;" :title="weight">
+					{{ text }}
+				</div>
+			</template>
+		</vue-word-cloud>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import * as VueWordCloud from 'vuewordcloud';
+
+export default Vue.extend({
+	components: {
+		[VueWordCloud.name]: VueWordCloud
+	},
+	data() {
+		return {
+			tags: [],
+			fetching: true,
+			clock: null
+		};
+	},
+	mounted() {
+		this.fetch();
+		this.clock = setInterval(this.fetch, 1000 * 60);
+	},
+	beforeDestroy() {
+		clearInterval(this.clock);
+	},
+	methods: {
+		fetch() {
+			(this as any).api('aggregation/hashtags').then(tags => {
+				this.tags = tags;
+				this.fetching = false;
+			});
+		},
+		color([, weight]) {
+			const peak = Math.max.apply(null, this.tags.map(x => x.count));
+			const w = weight / peak;
+
+			if (w == 1) {
+				return this.$store.state.device.darkmode ? '#ff4e69' : '#ff4e69';
+			} else if (w > 0.5) {
+				return this.$store.state.device.darkmode ? '#3bc4c7' : '#3bc4c7';
+			} else {
+				return this.$store.state.device.darkmode ? '#fff' : '#555';
+			}
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+root(isDark)
+	height 100%
+	width 100%
+
+	> .fetching
+	> .empty
+		margin 0
+		padding 16px
+		text-align center
+		color #aaa
+
+		> [data-fa]
+			margin-right 4px
+
+	> div
+		height 100%
+		width 100%
+
+.jtivnzhfwquxpsfidertopbmwmchmnmo[data-darkmode]
+	root(true)
+
+.jtivnzhfwquxpsfidertopbmwmchmnmo:not([data-darkmode])
+	root(false)
+
+</style>