Added progress bar to loading process

src/components/BikeMap.vue

@@ -12,25 +12,39 @@ import { API_BASE_URL, API_LIMIT, MAP_TILELAYER_URL, SpotAccess, SpotType } from
 import { useQuery } from '@pinia/colada'
 import { LControlZoom, LMap, LTileLayer } from '@vue-leaflet/vue-leaflet'
 import BikeFilters from './BikeFilters.vue'
-import { computed } from 'vue'
+import { computed, ref } from 'vue'
 import { storeToRefs } from 'pinia'
 import BikeClusterLayer from './BikeClusterLayer.vue'
+import { PhCircleNotch } from '@phosphor-icons/vue'
+
+const fetchedPages = ref(0)
+const totalPages = ref(1)
+const progress = computed(() => Math.round((fetchedPages.value / totalPages.value) * 100))
 
 async function fetchAllBikeParkings(): Promise<BikeParking[]> {
+  fetchedPages.value = 0
+
   const firstPage = await fetch(`${API_BASE_URL}?limit=${API_LIMIT}`).then(r => r.json()) as ApiResponse
   const { total_count } = firstPage
 
-  const remainingPages = await Promise.all(
-    Array.from(
-      { length: Math.ceil((total_count - API_LIMIT) / API_LIMIT) },
-      (_, i) => fetch(`${API_BASE_URL}?limit=${API_LIMIT}&offset=${(i + 1) * API_LIMIT}`).then(r => r.json()) as Promise<ApiResponse>
+  const remainingCount = Math.ceil((total_count - API_LIMIT) / API_LIMIT)
+  totalPages.value = remainingCount + 1
+  fetchedPages.value = 1
+
+  const results: BikeParking[] = [...(firstPage.results ?? [])]
+
+  await Promise.all(
+    Array.from({ length: remainingCount }, (_, i) =>
+      fetch(`${API_BASE_URL}?limit=${API_LIMIT}&offset=${(i + 1) * API_LIMIT}`)
+        .then(r => r.json() as Promise<ApiResponse>)
+        .then(page => {
+          results.push(...(page.results ?? []))
+          fetchedPages.value++
+        })
     )
   )
 
-  return [
-    ...(firstPage.results ?? []),
-    ...remainingPages.flatMap(page => page.results ?? [])
-  ]
+  return results
 }
 
 const { state } = useQuery({
@@ -42,25 +56,25 @@ const { state } = useQuery({
 const nonCoveredParkings = computed(() =>
   state.value.data?.filter(p => p.type === SpotType.Uncovered) ?? []
 )
-const nonCoveredParkingsSpots = computed(() => {
-  return nonCoveredParkings.value.reduce((acc, val) => acc + val.nb_total_place, 0)
-})
+const nonCoveredParkingsSpots = computed(() =>
+  nonCoveredParkings.value.reduce((acc, val) => acc + val.nb_total_place, 0)
+)
 
 const coveredTypes = new Set([SpotType.Covered, SpotType.Boxed])
 
 const coveredParkings = computed(() =>
   state.value.data?.filter(p => coveredTypes.has(p.type as SpotType)) ?? []
 )
-const coveredParkingsSpots = computed(() => {
-  return coveredParkings.value.reduce((acc, val) => acc + val.nb_total_place, 0)
-})
+const coveredParkingsSpots = computed(() =>
+  coveredParkings.value.reduce((acc, val) => acc + val.nb_total_place, 0)
+)
 
 const premiumParkings = computed(() =>
   state.value.data?.filter(p => p.condition_acces === SpotAccess.Korrigo) ?? []
 )
-const premiumParkingsSpots = computed(() => {
-  return premiumParkings.value.reduce((acc, val) => acc + val.nb_total_place, 0)
-})
+const premiumParkingsSpots = computed(() =>
+  premiumParkings.value.reduce((acc, val) => acc + val.nb_total_place, 0)
+)
 
 const { zoom, minZoom, center, maxBounds, maxBoundsViscosity, maxClusterRadius, disableClusteringAtZoom, extraOptions } = useMap()
 const { filterUncovered, filterCovered, filterKorrigo } = storeToRefs(useMap())
@@ -74,21 +88,25 @@ const { filterUncovered, filterCovered, filterKorrigo } = storeToRefs(useMap())
   </Transition>
 
   <main class="relative z-0 h-screen w-screen grid place-items-center">
-    <div v-if="state.status === 'pending'">Loading...</div>
+    <div v-if="state.status === 'pending'" class="flex flex-col items-center gap-3 text-sm">
+      <span>Chargement des parkings… {{ progress }}%</span>
+      <progress :value="progress" max="100"
+        class="w-48 h-1.5 rounded-full bg-muted [&::-webkit-progress-bar]:bg-muted-foreground [&::-webkit-progress-value]:bg-primary [&::-moz-progress-bar]:bg-primary" />
+      <PhCircleNotch :size="24" class="animate-spin text-primary" />
+    </div>
+
     <div v-else-if="state.status === 'error'">Error: {{ state.error.message }}</div>
+
     <template v-else>
       <LMap ref="map" :min-zoom v-model:zoom="zoom" :center="center" :max-bounds :max-bounds-viscosity
         :options="extraOptions" :useGlobalLeaflet="true">
         <LControlZoom position="bottomright" />
-
         <LTileLayer v-once :url="MAP_TILELAYER_URL" layer-type="base" />
 
         <BikeClusterLayer :parkings="coveredParkings" group="covered" :visible="filterCovered" :max-cluster-radius
           :disable-clustering-at-zoom />
-
         <BikeClusterLayer :parkings="nonCoveredParkings" group="non-covered" :visible="filterUncovered"
           :max-cluster-radius :disable-clustering-at-zoom />
-
         <BikeClusterLayer :parkings="premiumParkings" group="premium" :visible="filterKorrigo" :max-cluster-radius
           :disable-clustering-at-zoom />
       </LMap>