basic pinia store

vue/src/stores/UserPreferenceStore.js

@@ -0,0 +1,78 @@
+import {defineStore} from 'pinia'
+
+
+import {ApiApiFactory} from "@/utils/openapi/api";
+
+const _STALE_TIME_IN_MS = 1000 * 30
+const _STORE_ID = 'user_preference_store'
+export const useUserPreferenceStore = defineStore(_STORE_ID, {
+    state: () => ({
+        data: null,
+        updated_at: null,
+    }),
+    getters: {
+
+    },
+    actions: {
+        /**
+         * gets data from the store either directly or refreshes from API if data is considered stale
+         * @returns {UserPreference|*|Promise<axios.AxiosResponse<UserPreference>>}
+         */
+        getData: function () {
+            if (this.isStaleOrEmpty) {
+                return this.refreshFromAPI()
+            } else {
+                return this.data
+            }
+        },
+        /**
+         * get data from store. Does not use API, if store is not initialized returns null.
+         * @returns {null|UserPreference|*}
+         */
+        getStaleData: function () {
+            return this.data
+        },
+        /**
+         * checks if update timestamp is older than configured stale time interval
+         * @returns {boolean} true if data is considered stale and should be updated
+         */
+        isStale() {
+            return this.updated_at === null || ((new Date()) - this.updated_at) > _STALE_TIME_IN_MS;
+        },
+        /**
+         * checks if data of store is empty/not initialized
+         * @returns {boolean} true if store is empty
+         */
+        isEmpty() {
+            return this.data === null
+        },
+        /**
+         * checks if store is empty or data is considered stale, see isStale() and isEmpty()
+         * @returns {boolean}
+         */
+        isStaleOrEmpty() {
+            return this.isStale() || this.isEmpty()
+        },
+        /**
+         * refreshes store data if isStaleOrEmpty() is true
+         * @returns {Promise<axios.AxiosResponse<UserPreference>>} returns promise with data
+         */
+        updateIfStaleOrEmpty() {
+            if (this.isStaleOrEmpty) {
+                return this.refreshFromAPI()
+            }
+        },
+        /**
+         * refreshes store data from API
+         * @returns {Promise<axios.AxiosResponse<UserPreference>>} returns promise with data
+         */
+        refreshFromAPI() {
+            let apiClient = new ApiApiFactory()
+            return apiClient.retrieveUserPreference(localStorage.getItem('USER_ID')).then(r => {
+                this.data = r.data
+                this.updated_at = new Date()
+                return this.data
+            })
+        },
+    },
+})