[Client] Improve server home widget

src/web/app/desktop/tags/home-widgets/server.tag

@@ -2,8 +2,9 @@
 	<p class="title"><i class="fa fa-server"></i>%i18n:desktop.tags.mk-server-home-widget.title%</p>
 	<button onclick={ toggle } title="%i18n:desktop.tags.mk-server-home-widget.toggle%"><i class="fa fa-sort"></i></button>
 	<p class="initializing" if={ initializing }><i class="fa fa-spinner fa-pulse fa-fw"></i>%i18n:common.loading%<mk-ellipsis/></p>
-	<mk-server-home-widget-stats if={ !initializing } show={ view == 0 }/>
-	<mk-server-home-widget-info if={ !initializing } show={ view == 1 } meta={ meta }/>
+	<mk-server-home-widget-cpu-and-memory-usage if={ !initializing } show={ view == 0 } connection={ connection }/>
+	<mk-server-home-widget-disk-usage if={ !initializing } show={ view == 1 } connection={ connection }/>
+	<mk-server-home-widget-info if={ !initializing } show={ view == 2 } connection={ connection } meta={ meta }/>
 	<style>
 		:scope
 			display block
@@ -50,10 +51,13 @@
 
 	</style>
 	<script>
+		import Connection from '../../../common/scripts/server-stream';
+
 		this.mixin('api');
 
 		this.initializing = true;
 		this.view = 0;
+		this.connection = new Connection();
 
 		this.on('mount', () => {
 			this.api('meta').then(meta => {
@@ -64,14 +68,18 @@
 			});
 		});
 
+		this.on('unmount', () => {
+			this.connection.close();
+		});
+
 		this.toggle = () => {
 			this.view++;
-			if (this.view == 2) this.view = 0;
+			if (this.view == 3) this.view = 0;
 		};
 	</script>
 </mk-server-home-widget>
 
-<mk-server-home-widget-stats>
+<mk-server-home-widget-cpu-and-memory-usage>
 	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
 		<polygon
 			riot-points={ cpuPolygonPoints }
@@ -82,7 +90,7 @@
 			fill="none"
 			stroke-width="1"
 			riot-stroke={ cpuColor }/>
-		<text dx="1" dy="5">CPU <tspan>{ cpuP }%</tspan></text>
+		<text x="1" y="5">CPU <tspan>{ cpuP }%</tspan></text>
 	</svg>
 	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
 		<polygon
@@ -94,7 +102,7 @@
 			fill="none"
 			stroke-width="1"
 			riot-stroke={ memColor }/>
-		<text dx="1" dy="5">MEM <tspan>{ memP }%</tspan></text>
+		<text x="1" y="5">MEM <tspan>{ memP }%</tspan></text>
 	</svg>
 	<style>
 		:scope
@@ -125,12 +133,10 @@
 				clear both
 	</style>
 	<script>
-		import Connection from '../../../common/scripts/server-stream';
-
 		this.viewBoxX = 50;
 		this.viewBoxY = 30;
 		this.stats = [];
-		this.connection = new Connection();
+		this.connection = this.opts.connection;
 
 		this.on('mount', () => {
 			this.connection.on('stats', this.onStats);
@@ -138,7 +144,6 @@
 
 		this.on('unmount', () => {
 			this.connection.off('stats', this.onStats);
-			this.connection.close();
 		});
 
 		this.onStats = stats => {
@@ -170,7 +175,102 @@
 			});
 		};
 	</script>
-</mk-server-home-widget-stats>
+</mk-server-home-widget-cpu-and-memory-usage>
+
+<mk-server-home-widget-disk-usage>
+	<svg viewBox="0 0 1 1" preserveAspectRatio="none">
+		<circle
+			riot-r={ r }
+			cx="50%" cy="50%"
+			fill="none"
+			stroke-width="0.1"
+			stroke="rgba(0, 0, 0, 0.05)"/>
+		<circle
+			riot-r={ r }
+			cx="50%" cy="50%"
+			riot-stroke-dasharray={ Math.PI * (r * 2) }
+			riot-stroke-dashoffset={ strokeDashoffset }
+			fill="none"
+			stroke-width="0.1"
+			riot-stroke={ color }/>
+		<text x="50%" y="50%" dy="0.05" text-anchor="middle">{ p }%</text>
+	</svg>
+	<div>
+		<p>Storage</p>
+		<p>Total: { bytesToSize(total) }</p>
+		<p>Available: { bytesToSize(available) }</p>
+		<p>Used: { bytesToSize(used) }</p>
+	</div>
+	<style>
+		:scope
+			display block
+
+			> svg
+				display block
+				padding 10px
+				height 100px
+				float left
+
+				> circle
+					transform-origin center
+					transform rotate(-90deg)
+
+				> text
+					font-size 0.15px
+					fill rgba(0, 0, 0, 0.6)
+
+			> div
+				float left
+				width calc(100% - 100px)
+				padding 10px 10px 10px 0
+
+				> p
+					margin 0
+					font-size 12px
+					color #505050
+
+					&:first-child
+						font-weight bold
+
+			&:after
+				content ""
+				display block
+				clear both
+
+	</style>
+	<script>
+		import bytesToSize from '../../../common/scripts/bytes-to-size';
+
+		this.r = 0.4;
+		this.connection = this.opts.connection;
+		this.bytesToSize = bytesToSize;
+
+		this.on('mount', () => {
+			this.connection.on('stats', this.onStats);
+		});
+
+		this.on('unmount', () => {
+			this.connection.off('stats', this.onStats);
+		});
+
+		this.onStats = stats => {
+			stats.disk.used = stats.disk.total - stats.disk.free;
+
+			const color = `hsl(${180 - (stats.disk.used / stats.disk.total * 180)}, 80%, 70%)`;
+			const p = (stats.disk.used / stats.disk.total * 100).toFixed(0);
+			const strokeDashoffset = (1 - (stats.disk.used / stats.disk.total)) * (Math.PI * (this.r * 2));
+
+			this.update({
+				color,
+				p,
+				strokeDashoffset,
+				total: stats.disk.total,
+				used: stats.disk.used,
+				available: stats.disk.available
+			});
+		};
+	</script>
+</mk-server-home-widget-disk-usage>
 
 <mk-server-home-widget-info>
 	<p>Maintainer: { meta.maintainer }</p>
@@ -183,4 +283,3 @@
 		this.meta = this.opts.meta;
 	</script>
 </mk-server-home-widget-info>
-