refactor(ui): use watchers to refresh display

[e-mobility-charging-stations-simulator.git] / ui / web / src / views / ChargingStationsView.vue

diff --git a/ui/web/src/views/ChargingStationsView.vue b/ui/web/src/views/ChargingStationsView.vue
index 109803f4beb8c2827c058cccddd9ae1235cbec8c..320731f71df5b4c2fd5a48727f272d957d481fe2 100644 (file)
--- a/ui/web/src/views/ChargingStationsView.vue
+++ b/ui/web/src/views/ChargingStationsView.vue
@@ -13,35 +13,31 @@
               if (
                 getFromLocalStorage<number>('uiServerConfigurationIndex', 0) !== state.uiServerIndex
               ) {
-                uiClient.setConfiguration(
-                  app?.appContext.config.globalProperties.$configuration.uiServer[
-                    state.uiServerIndex
-                  ]
-                )
-                initializeWSEventListeners()
-                uiClient.registerWSEventListener(
+                $uiClient.setConfiguration($configuration.value.uiServer[state.uiServerIndex])
+                registerWSEventListeners()
+                $uiClient.registerWSEventListener(
                   'open',
                   () => {
                     setToLocalStorage<number>('uiServerConfigurationIndex', state.uiServerIndex)
                     clearToggleButtons()
-                    $router.currentRoute.value.name !== 'charging-stations' &&
+                    $route.name !== 'charging-stations' &&
                       $router.push({ name: 'charging-stations' })
                   },
                   { once: true }
                 )
-                uiClient.registerWSEventListener(
+                $uiClient.registerWSEventListener(
                   'error',
                   () => {
                     state.uiServerIndex = getFromLocalStorage<number>(
                       'uiServerConfigurationIndex',
                       0
                     )
-                    uiClient.setConfiguration(
-                      app?.appContext.config.globalProperties.$configuration.uiServer[
+                    $uiClient.setConfiguration(
+                      $configuration.value.uiServer[
                         getFromLocalStorage<number>('uiServerConfigurationIndex', 0)
                       ]
                     )
-                    initializeWSEventListeners()
+                    registerWSEventListeners()
                   },
                   { once: true }
                 )
@@ -62,7 +58,7 @@
       <ToggleButton
         :id="'simulator'"
         :key="state.renderSimulator"
-        :status="state.simulatorState?.started"
+        :status="simulatorState?.started"
         :on="() => startSimulator()"
         :off="() => stopSimulator()"
         :class="simulatorButtonClass"
@@ -98,12 +94,9 @@
       />
     </Container>
     <CSTable
-      v-show="
-        Array.isArray(app?.appContext.config.globalProperties.$chargingStations) &&
-        app.appContext.config.globalProperties.$chargingStations.length > 0
-      "
+      v-show="Array.isArray($chargingStations.value) && $chargingStations.value.length > 0"
       :key="state.renderChargingStations"
-      :charging-stations="app?.appContext.config.globalProperties.$chargingStations"
+      :charging-stations="$chargingStations.value"
       @need-refresh="
         () => {
           state.renderAddChargingStations = randomUUID()
@@ -115,7 +108,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, getCurrentInstance, onMounted, ref } from 'vue'
+import { computed, getCurrentInstance, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useToast } from 'vue-toast-notification'
 import CSTable from '@/components/charging-stations/CSTable.vue'
 import type { ResponsePayload, SimulatorState, UIServerConfigurationSection } from '@/types'
@@ -126,10 +119,21 @@ import {
   getFromLocalStorage,
   getLocalStorage,
   randomUUID,
-  setToLocalStorage
+  setToLocalStorage,
+  useUIClient
 } from '@/composables'
 import ToggleButton from '@/components/buttons/ToggleButton.vue'
 
+const simulatorState = ref<SimulatorState | undefined>(undefined)
+
+const simulatorButtonClass = computed<string>(() =>
+  simulatorState.value?.started === true ? 'simulator-stop-button' : 'simulator-start-button'
+)
+const simulatorButtonMessage = computed<string>(
+  () =>
+    `${simulatorState.value?.started === true ? 'Stop' : 'Start'} Simulator${simulatorState.value?.version != null ? ` (${simulatorState.value.version})` : ''}`
+)
+
 const state = ref<{
   renderSimulator: `${string}-${string}-${string}-${string}-${string}`
   renderAddChargingStations: `${string}-${string}-${string}-${string}-${string}`
@@ -137,7 +141,6 @@ const state = ref<{
   gettingSimulatorState: boolean
   gettingTemplates: boolean
   gettingChargingStations: boolean
-  simulatorState?: SimulatorState
   uiServerIndex: number
 }>({
   renderSimulator: randomUUID(),
@@ -149,14 +152,6 @@ const state = ref<{
   uiServerIndex: getFromLocalStorage<number>('uiServerConfigurationIndex', 0)
 })
 
-const simulatorButtonClass = computed<string>(() =>
-  state.value.simulatorState?.started === true ? 'simulator-stop-button' : 'simulator-start-button'
-)
-const simulatorButtonMessage = computed<string>(
-  () =>
-    `${state.value.simulatorState?.started === true ? 'Stop' : 'Start'} Simulator${state.value.simulatorState?.version != null ? ` (${state.value.simulatorState.version})` : ''}`
-)
-
 const clearToggleButtons = (): void => {
   for (const key in getLocalStorage()) {
     if (key.includes('toggle-button')) {
@@ -169,14 +164,27 @@ const clearToggleButtons = (): void => {
 
 const app = getCurrentInstance()
 
+watch(app?.appContext.config.globalProperties.$chargingStations, () => {
+  state.value.renderChargingStations = randomUUID()
+})
+
+watch(simulatorState, () => {
+  state.value.renderSimulator = randomUUID()
+})
+
+const clearTemplates = (): void => {
+  if (app != null) {
+    app.appContext.config.globalProperties.$templates.value = []
+  }
+}
+
 const clearChargingStations = (): void => {
   if (app != null) {
-    app.appContext.config.globalProperties.$chargingStations = []
+    app.appContext.config.globalProperties.$chargingStations.value = []
   }
-  state.value.renderChargingStations = randomUUID()
 }
 
-const uiClient = app?.appContext.config.globalProperties.$uiClient
+const uiClient = useUIClient()
 
 const $toast = useToast()
 
@@ -186,14 +194,13 @@ const getSimulatorState = (): void => {
     uiClient
       .simulatorState()
       .then((response: ResponsePayload) => {
-        state.value.simulatorState = response.state as SimulatorState
+        simulatorState.value = response.state as SimulatorState
       })
       .catch((error: Error) => {
         $toast.error('Error at fetching simulator state')
         console.error('Error at fetching simulator state:', error)
       })
       .finally(() => {
-        state.value.renderSimulator = randomUUID()
         state.value.gettingSimulatorState = false
       })
   }
@@ -206,13 +213,11 @@ const getTemplates = (): void => {
       .listTemplates()
       .then((response: ResponsePayload) => {
         if (app != null) {
-          app.appContext.config.globalProperties.$templates = response.templates
+          app.appContext.config.globalProperties.$templates.value = response.templates
         }
       })
       .catch((error: Error) => {
-        if (app != null) {
-          app.appContext.config.globalProperties.$templates = []
-        }
+        clearTemplates()
         $toast.error('Error at fetching charging station templates')
         console.error('Error at fetching charging station templates:', error)
       })
@@ -229,39 +234,48 @@ const getChargingStations = (): void => {
       .listChargingStations()
       .then((response: ResponsePayload) => {
         if (app != null) {
-          app.appContext.config.globalProperties.$chargingStations = response.chargingStations
+          app.appContext.config.globalProperties.$chargingStations.value = response.chargingStations
         }
       })
       .catch((error: Error) => {
-        if (app != null) {
-          app.appContext.config.globalProperties.$chargingStations = []
-        }
+        clearChargingStations()
         $toast.error('Error at fetching charging stations')
         console.error('Error at fetching charging stations:', error)
       })
       .finally(() => {
-        state.value.renderChargingStations = randomUUID()
         state.value.gettingChargingStations = false
       })
   }
 }
 
-const initializeWSEventListeners = () => {
-  uiClient.registerWSEventListener('open', () => {
-    getSimulatorState()
-    getTemplates()
-    getChargingStations()
-  })
+const getData = (): void => {
+  getSimulatorState()
+  getTemplates()
+  getChargingStations()
+}
+
+const registerWSEventListeners = () => {
+  uiClient.registerWSEventListener('open', getData)
   uiClient.registerWSEventListener('error', clearChargingStations)
   uiClient.registerWSEventListener('close', clearChargingStations)
 }
 
+const unregisterWSEventListeners = () => {
+  uiClient.unregisterWSEventListener('open', getData)
+  uiClient.unregisterWSEventListener('error', clearChargingStations)
+  uiClient.unregisterWSEventListener('close', clearChargingStations)
+}
+
 onMounted(() => {
-  initializeWSEventListeners()
+  registerWSEventListeners()
+})
+
+onUnmounted(() => {
+  unregisterWSEventListeners()
 })
 
 const uiServerConfigurations: { index: number; configuration: UIServerConfigurationSection }[] =
-  app?.appContext.config.globalProperties.$configuration.uiServer.map(
+  app?.appContext.config.globalProperties.$configuration.value.uiServer.map(
     (configuration: UIServerConfigurationSection, index: number) => ({
       index,
       configuration
@@ -286,9 +300,7 @@ const stopSimulator = (): void => {
   uiClient
     .stopSimulator()
     .then(() => {
-      if (app != null) {
-        app.appContext.config.globalProperties.$chargingStations = []
-      }
+      clearChargingStations()
       $toast.success('Simulator successfully stopped')
     })
     .catch((error: Error) => {