flotilla/src/routes/spaces/[relay]/threads/+page.svelte

<script lang="ts">
  import {onMount} from "svelte"
  import {page} from "$app/stores"
  import {NOTE} from "@welshman/util"
  import {feedFromFilter, makeIntersectionFeed, makeRelayFeed} from "@welshman/feeds"
  import {nthEq} from "@welshman/lib"
  import {feedLoader} from "@welshman/app"
  import {createScroller} from "@lib/html"
  import Icon from "@lib/components/Icon.svelte"
  import Button from "@lib/components/Button.svelte"
  import PageBar from "@lib/components/PageBar.svelte"
  import Spinner from "@lib/components/Spinner.svelte"
  import MenuSpace from "@app/components/MenuSpace.svelte"
  import ThreadItem from "@app/components/ThreadItem.svelte"
  import ThreadCreate from "@app/components/ThreadCreate.svelte"
  import {deriveEventsForUrl, decodeRelay} from "@app/state"
  import {pushModal, pushDrawer} from "@app/modal"

  const url = decodeRelay($page.params.relay)
  const kinds = [NOTE]
  const feed = makeIntersectionFeed(makeRelayFeed(url), feedFromFilter({kinds}))
  const events = deriveEventsForUrl(url, kinds)
  const loader = feedLoader.getLoader(feed, {})

  const openMenu = () => pushDrawer(MenuSpace, {url})

  const createThread = () => pushModal(ThreadCreate, {url})

  let limit = 5
  let loading = true
  let element: Element

  onMount(() => {
    const scroller = createScroller({
      element,
      onScroll: async () => {
        const $loader = await loader

        await $loader(5)
        limit += 5
      },
    })

    return () => scroller.stop()
  })

  setTimeout(() => {
    loading = false
  }, 3000)
</script>

<div class="relative flex h-screen flex-col">
  <PageBar>
    <div slot="icon" class="center">
      <Icon icon="notes-minimalistic" />
    </div>
    <strong slot="title">Threads</strong>
    <div slot="action" class="md:hidden">
      <Button on:click={openMenu} class="btn btn-neutral btn-sm">
        <Icon icon="menu-dots" />
      </Button>
    </div>
  </PageBar>
  <div class="flex flex-grow flex-col gap-2 overflow-auto p-2" bind:this={element}>
    {#each $events.slice(0, limit) as event (event.id)}
      {#if !event.tags.some(nthEq(0, "e"))}
        <ThreadItem {event} />
      {/if}
    {/each}
    <p class="flex h-10 items-center justify-center py-20">
      <Spinner {loading}>
        {#if loading}
          Looking for threads...
        {:else if $events.length === 0}
          No threads found.
        {/if}
      </Spinner>
    </p>
  </div>
  <Button
    class="tooltip tooltip-left fixed bottom-16 right-4 z-feature p-1 sm:right-8 md:bottom-4 md:right-4"
    data-tip="Create a Thread"
    on:click={createThread}>
    <div class="btn btn-circle btn-primary flex h-12 w-12 items-center justify-center">
      <Icon icon="notes-minimalistic" />
    </div>
  </Button>
</div>