refactor(ui): use watchers to refresh display
[e-mobility-charging-stations-simulator.git] / ui / web / src / views / ChargingStationsView.vue
index 6f589ccc6a8030136f4449ac5de1a2e64daaf78e..320731f71df5b4c2fd5a48727f272d957d481fe2 100644 (file)
               if (
                 getFromLocalStorage<number>('uiServerConfigurationIndex', 0) !== state.uiServerIndex
               ) {
-                app?.appContext.config.globalProperties.$uiClient.setConfiguration(
-                  app?.appContext.config.globalProperties.$configuration.uiServer[
-                    state.uiServerIndex
-                  ]
-                )
-                initializeWSEventListeners()
-                app?.appContext.config.globalProperties.$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' &&
                       $router.push({ name: 'charging-stations' })
                   },
                   { once: true }
                 )
-                app?.appContext.config.globalProperties.$uiClient.registerWSEventListener(
+                $uiClient.registerWSEventListener(
                   'error',
                   () => {
                     state.uiServerIndex = getFromLocalStorage<number>(
                       'uiServerConfigurationIndex',
                       0
                     )
-                    app?.appContext.config.globalProperties.$uiClient.setConfiguration(
-                      app?.appContext.config.globalProperties.$configuration.uiServer[
+                    $uiClient.setConfiguration(
+                      $configuration.value.uiServer[
                         getFromLocalStorage<number>('uiServerConfigurationIndex', 0)
                       ]
                     )
-                    initializeWSEventListeners()
+                    registerWSEventListeners()
                   },
                   { once: true }
                 )
       <ToggleButton
         :id="'simulator'"
         :key="state.renderSimulator"
-        :status="state.simulatorState?.started"
+        :status="simulatorState?.started"
         :on="() => startSimulator()"
         :off="() => stopSimulator()"
-        :class="
-          state.simulatorState?.started === true
-            ? 'simulator-stop-button'
-            : 'simulator-start-button'
-        "
+        :class="simulatorButtonClass"
       >
-        {{ state.simulatorState?.started === true ? 'Stop' : 'Start' }} Simulator
-        {{ state.simulatorState?.version != null ? ` (${state.simulatorState?.version})` : '' }}
+        {{ simulatorButtonMessage }}
       </ToggleButton>
       <ToggleButton
         :id="'add-charging-stations'"
       </ToggleButton>
       <ReloadButton
         id="reload-button"
-        :loading="state.loading"
-        @click="loadChargingStations(() => (state.renderChargingStations = randomUUID()))"
+        :loading="state.gettingChargingStations"
+        @click="getChargingStations()"
       />
     </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()
 </template>
 
 <script setup lang="ts">
-import { 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'
@@ -131,131 +119,169 @@ 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}-${string}`
   renderChargingStations: `${string}-${string}-${string}-${string}-${string}`
-  loading: boolean
-  simulatorState?: SimulatorState
+  gettingSimulatorState: boolean
+  gettingTemplates: boolean
+  gettingChargingStations: boolean
   uiServerIndex: number
 }>({
   renderSimulator: randomUUID(),
   renderAddChargingStations: randomUUID(),
   renderChargingStations: randomUUID(),
-  loading: false,
+  gettingSimulatorState: false,
+  gettingTemplates: false,
+  gettingChargingStations: false,
   uiServerIndex: getFromLocalStorage<number>('uiServerConfigurationIndex', 0)
 })
 
-const app = getCurrentInstance()
-
 const clearToggleButtons = (): void => {
   for (const key in getLocalStorage()) {
     if (key.includes('toggle-button')) {
       deleteFromLocalStorage(key)
     }
   }
+  state.value.renderChargingStations = randomUUID()
+  state.value.renderAddChargingStations = randomUUID()
 }
 
-const clearChargingStations = (): void => {
-  app!.appContext.config.globalProperties.$chargingStations = []
+const app = getCurrentInstance()
+
+watch(app?.appContext.config.globalProperties.$chargingStations, () => {
   state.value.renderChargingStations = randomUUID()
+})
+
+watch(simulatorState, () => {
+  state.value.renderSimulator = randomUUID()
+})
+
+const clearTemplates = (): void => {
+  if (app != null) {
+    app.appContext.config.globalProperties.$templates.value = []
+  }
 }
 
-const uiClient = app?.appContext.config.globalProperties.$uiClient
+const clearChargingStations = (): void => {
+  if (app != null) {
+    app.appContext.config.globalProperties.$chargingStations.value = []
+  }
+}
+
+const uiClient = useUIClient()
+
+const $toast = useToast()
 
 const getSimulatorState = (): void => {
-  uiClient
-    .simulatorState()
-    .then((response: ResponsePayload) => {
-      state.value.simulatorState = 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()
-    })
+  if (state.value.gettingSimulatorState === false) {
+    state.value.gettingSimulatorState = true
+    uiClient
+      .simulatorState()
+      .then((response: ResponsePayload) => {
+        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.gettingSimulatorState = false
+      })
+  }
 }
 
-const initializeWSEventListeners = () => {
-  app?.appContext.config.globalProperties.$uiClient.registerWSEventListener('open', () => {
-    getSimulatorState()
+const getTemplates = (): void => {
+  if (state.value.gettingTemplates === false) {
+    state.value.gettingTemplates = true
     uiClient
       .listTemplates()
       .then((response: ResponsePayload) => {
         if (app != null) {
-          app.appContext.config.globalProperties.$templates = response.templates
+          app.appContext.config.globalProperties.$templates.value = response.templates
         }
       })
       .catch((error: Error) => {
-        if (app != null) {
-          app.appContext.config.globalProperties.$templates = []
-        }
+        clearTemplates()
         $toast.error('Error at fetching charging station templates')
         console.error('Error at fetching charging station templates:', error)
       })
       .finally(() => {
-        state.value.renderAddChargingStations = randomUUID()
+        state.value.gettingTemplates = false
       })
-    loadChargingStations(() => {
-      state.value.renderChargingStations = randomUUID()
-    })
-  })
-  app?.appContext.config.globalProperties.$uiClient.registerWSEventListener(
-    'error',
-    clearChargingStations
-  )
-  app?.appContext.config.globalProperties.$uiClient.registerWSEventListener(
-    'close',
-    clearChargingStations
-  )
+  }
 }
 
-onMounted(() => {
-  initializeWSEventListeners()
-})
-
-const uiServerConfigurations: { configuration: UIServerConfigurationSection; index: number }[] =
-  app?.appContext.config.globalProperties.$configuration.uiServer.map(
-    (configuration: UIServerConfigurationSection, index: number) => ({
-      configuration,
-      index
-    })
-  )
-
-const $toast = useToast()
-
-const loadChargingStations = (renderCallback?: () => void): void => {
-  if (state.value.loading === false) {
-    state.value.loading = true
+const getChargingStations = (): void => {
+  if (state.value.gettingChargingStations === false) {
+    state.value.gettingChargingStations = true
     uiClient
       .listChargingStations()
       .then((response: ResponsePayload) => {
         if (app != null) {
-          app.appContext.config.globalProperties.$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(() => {
-        if (renderCallback != null) {
-          renderCallback()
-        }
-        state.value.loading = false
+        state.value.gettingChargingStations = false
       })
   }
 }
 
+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(() => {
+  registerWSEventListeners()
+})
+
+onUnmounted(() => {
+  unregisterWSEventListeners()
+})
+
+const uiServerConfigurations: { index: number; configuration: UIServerConfigurationSection }[] =
+  app?.appContext.config.globalProperties.$configuration.value.uiServer.map(
+    (configuration: UIServerConfigurationSection, index: number) => ({
+      index,
+      configuration
+    })
+  )
+
 const startSimulator = (): void => {
   uiClient
     .startSimulator()
@@ -274,9 +300,7 @@ const stopSimulator = (): void => {
   uiClient
     .stopSimulator()
     .then(() => {
-      if (app != null) {
-        app.appContext.config.globalProperties.$chargingStations = []
-      }
+      clearChargingStations()
       $toast.success('Simulator successfully stopped')
     })
     .catch((error: Error) => {
@@ -300,6 +324,7 @@ const stopSimulator = (): void => {
 #ui-server-container {
   display: flex;
   justify-content: center;
+  border-style: outset;
 }
 
 #ui-server-selector {
@@ -323,11 +348,19 @@ const stopSimulator = (): void => {
   background-color: green;
 }
 
+.simulator-start-button:hover {
+  background-color: rgb(0, 98, 0);
+}
+
 .simulator-stop-button {
   color: ivory;
   background-color: red;
 }
 
+.simulator-stop-button:hover {
+  background-color: rgb(225, 0, 0);
+}
+
 #action-button {
   flex: none;
 }
@@ -347,8 +380,9 @@ const stopSimulator = (): void => {
 }
 
 #action {
+  min-width: max-content;
   color: ivory;
   background-color: black;
-  padding: 1%;
+  padding: 0.8%;
 }
 </style>