[Client] Admin page improved

src/client/app/admin/views/announcements.vue

@@ -0,0 +1,55 @@
+<template>
+<div>
+	<ui-card>
+		<div slot="title">%i18n:@announcements%</div>
+		<section>
+			<textarea class="qldxjjsrseehkusjuoooapmsprvfrxyl" v-model="broadcasts" placeholder='[ { "title": "Title1", "text": "Text1" }, { "title": "Title2", "text": "Text2" } ]'></textarea>
+			<ui-button @click="save">%i18n:@save%</ui-button>
+		</section>
+	</ui-card>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from "vue";
+
+export default Vue.extend({
+	data() {
+		return {
+			broadcasts: '',
+		};
+	},
+	created() {
+		(this as any).os.getMeta().then(meta => {
+			this.broadcasts = JSON.stringify(meta.broadcasts, null, '  ');
+		});
+	},
+	methods: {
+		save() {
+			let json;
+
+			try {
+				json = JSON.parse(this.broadcasts);
+			} catch (e) {
+				(this as any).os.apis.dialog({ text: `Failed: ${e}` });
+				return;
+			}
+
+			(this as any).api('admin/update-meta', {
+				broadcasts: json
+			}).then(() => {
+				(this as any).os.apis.dialog({ text: `Saved` });
+			}.catch(e => {
+				(this as any).os.apis.dialog({ text: `Failed ${e}` });
+			});
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+.qldxjjsrseehkusjuoooapmsprvfrxyl
+	width 100%
+	min-height 300px
+
+</style>