MapComplete/src/UI/BigComponents/CommunityIndexView.svelte

61 lines
2.2 KiB
Svelte

<script lang="ts">
import { Store, UIEventSource } from "../../Logic/UIEventSource"
import { Tiles } from "../../Models/TileRange"
import { Utils } from "../../Utils"
import ContactLink from "./ContactLink.svelte"
import { GeoOperations } from "../../Logic/GeoOperations"
import Translations from "../i18n/Translations"
import type { Feature, Geometry, GeometryCollection } from "@turf/turf"
import type { FeatureCollection, Polygon } from "geojson"
import type { CommunityResource } from "../../Logic/Web/CommunityIndex"
import Tr from "../Base/Tr.svelte"
import Constants from "../../Models/Constants"
import Loading from "../Base/Loading.svelte"
export let location: Store<{ lat: number; lon: number }>
const tileToFetch: Store<string> = location.mapD((l) => {
const t = Tiles.embedded_tile(l.lat, l.lon, 6)
return Utils.SubstituteKeys(Constants.communityIndexHost + "tile_{z}_{x}_{y}.geojson", t)
})
const t = Translations.t.communityIndex
const resources = new UIEventSource<
Feature<Geometry | GeometryCollection, { resources; nameEn: string }>[]
>([])
tileToFetch.addCallbackAndRun(async (url) => {
const data = await Utils.downloadJsonCached<FeatureCollection<Polygon, {
nameEn: string,
resources: Record<string, CommunityResource>
}>>(url, 24 * 60 * 60)
if (data === undefined) {
return
}
resources.setData(data.features)
})
const filteredResources = resources.mapD(
(features) =>
features.filter((f) => GeoOperations.inside([location.data.lon, location.data.lat], f)),
[location]
)
const globalResources: UIEventSource<Record<string, CommunityResource>> = UIEventSource.FromPromise(Utils.downloadJsonCached<Record<string, CommunityResource>>(
Constants.communityIndexHost + "/global.json", 24 * 60 * 60 * 1000
))
</script>
<div>
<Tr t={t.intro} />
{#if $filteredResources === undefined}
<Loading />
{:else}
{#each $filteredResources as feature}
<ContactLink country={feature.properties} />
{/each}
{/if}
{#if $globalResources === undefined}
<Loading />
{:else}
<ContactLink country={{ resources: $globalResources, nameEn: "Global resources" }} />
{/if}
</div>