106 lines
3.3 KiB
Svelte
106 lines
3.3 KiB
Svelte
<script lang="ts">
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import {onDestroy, onMount} from "svelte"
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import {readable} from "svelte/store"
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import type {Readable} from "svelte/store"
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import {page} from "$app/stores"
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import {sortBy, partition, spec, pushToMapKey, max} from "@welshman/lib"
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import type {Maybe} from "@welshman/lib"
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import type {TrustedEvent} from "@welshman/util"
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import {POLL, tagValue, tagSpec} from "@welshman/util"
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import {fly} from "@lib/transition"
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import PollIcon from "@assets/icons/revote.svg?dataurl"
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import Add from "@assets/icons/add.svg?dataurl"
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import Icon from "@lib/components/Icon.svelte"
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import Button from "@lib/components/Button.svelte"
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import PageContent from "@lib/components/PageContent.svelte"
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import Spinner from "@lib/components/Spinner.svelte"
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import SpaceBar from "@app/components/SpaceBar.svelte"
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import PollItem from "@app/components/PollItem.svelte"
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import PollCreate from "@app/components/PollCreate.svelte"
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import {decodeRelay} from "@app/relays"
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import {makeCommentFilter} from "@app/content"
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import {isFeedLoading, makeFeed, makeFeedContext, makeScrollLoader} from "@app/feeds"
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import {pushModal} from "@app/modal"
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const url = decodeRelay($page.params.relay!)
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const context = makeFeedContext({relays: [url]})
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onDestroy(context.cleanup)
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let older: Maybe<ReturnType<typeof makeScrollLoader>> = $state()
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const loading = $derived(isFeedLoading($older))
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const exhausted = $derived($older?.status === "exhausted")
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let element: HTMLElement | undefined = $state()
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let events: Readable<TrustedEvent[]> = $state(readable([]))
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const createPoll = () => pushModal(PollCreate, {url})
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const items = $derived.by(() => {
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const scores = new Map<string, number[]>()
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const [polls, comments] = partition(spec({kind: POLL}), $events)
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for (const comment of comments) {
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const id = tagValue(tagSpec("E"), comment.tags)
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if (id) {
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pushToMapKey(scores, id, comment.created_at)
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}
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}
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return sortBy(e => -max([...(scores.get(e.id) || []), e.created_at]), polls)
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})
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onMount(() => {
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const feed = makeFeed({
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relays: [url],
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onEvent: context.add,
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filters: [{kinds: [POLL]}, makeCommentFilter([POLL])],
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})
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events = feed.events
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// These lists are sorted newest first, so reaching the bottom is reaching the oldest thing
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// loaded.
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older = makeScrollLoader(element!, feed.loadOlder)
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return () => {
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older?.stop()
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feed.cleanup()
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}
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})
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</script>
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<SpaceBar>
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{#snippet leading()}
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<Icon icon={PollIcon} />
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{/snippet}
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{#snippet title()}
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<strong>Polls</strong>
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{/snippet}
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{#snippet action()}
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<Button class="button button-primary button-sm" onclick={createPoll}>
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<Icon icon={Add} />
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Create
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</Button>
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{/snippet}
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</SpaceBar>
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<PageContent bind:element class="flex flex-col gap-2 p-2 sm:gap-4 sm:p-4">
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{#each items as event (event.id)}
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<div in:fly>
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<PollItem {url} {context} event={$state.snapshot(event)} />
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</div>
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{/each}
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<p class="flex h-10 items-center justify-center py-20">
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<Spinner {loading}>
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{#if loading}
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Looking for polls...
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{:else if exhausted && items.length === 0}
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No polls found.
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{:else if exhausted}
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That's all!
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{/if}
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</Spinner>
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</p>
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</PageContent>
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