add nova

nova/resources/js/mixins/HasCards.js

@@ -0,0 +1,61 @@
+import filter from 'lodash/filter'
+
+export default {
+  props: {
+    loadCards: {
+      type: Boolean,
+      default: true,
+    },
+  },
+
+  data: () => ({ cards: [] }),
+
+  /**
+   * Fetch all of the metrics panels for this view
+   */
+  created() {
+    this.fetchCards()
+  },
+
+  watch: {
+    cardsEndpoint() {
+      this.fetchCards()
+    },
+  },
+
+  methods: {
+    async fetchCards() {
+      // We disable fetching of cards when the component is being show
+      // on a resource detail view to avoid extra network requests
+      if (this.loadCards) {
+        const { data: cards } = await Nova.request().get(this.cardsEndpoint, {
+          params: this.extraCardParams,
+        })
+        this.cards = cards
+      }
+    },
+  },
+
+  computed: {
+    /**
+     * Determine whether we have cards to show on the Dashboard.
+     */
+    shouldShowCards() {
+      return this.cards.length > 0
+    },
+
+    /**
+     * Determine if the cards array contains some detail-only cards.
+     */
+    hasDetailOnlyCards() {
+      return filter(this.cards, c => c.onlyOnDetail == true).length > 0
+    },
+
+    /**
+     * Get the extra card params to pass to the endpoint.
+     */
+    extraCardParams() {
+      return null
+    },
+  },
+}