flotilla/src/app/components/RoomDetailMenu.svelte

<script lang="ts">
  import {onMount} from "svelte"
  import type {Maybe} from "@welshman/lib"
  import {MembershipStatus, publish} from "@welshman/app"
  import Pen from "@assets/icons/pen.svg?dataurl"
  import TrashBin2 from "@assets/icons/trash-bin-2.svg?dataurl"
  import Login3 from "@assets/icons/login-3.svg?dataurl"
  import ClockCircle from "@assets/icons/clock-circle.svg?dataurl"
  import Icon from "@lib/components/Icon.svelte"
  import Button from "@lib/components/Button.svelte"
  import Spinner from "@lib/components/Spinner.svelte"
  import Confirm from "@lib/components/Confirm.svelte"
  import RoomEdit from "@app/components/RoomEdit.svelte"
  import {app, roomLists, rooms} from "@app/core"
  import {joinRoom, leaveRoom} from "@app/access"
  import {deriveUserIsRoomAdmin, deriveUserRoomMembershipStatus} from "@app/rooms"
  import {forgetSpacePage, makeSpacePath} from "@app/routes"
  import {navigate, pushModal} from "@app/modal"
  import {pushToast} from "@app/toast"

  type Props = {
    url: string
    h: string
    onClick: () => void
  }

  const {url, h, onClick}: Props = $props()

  const userIsAdmin = deriveUserIsRoomAdmin(url, h)
  const membershipStatus = deriveUserRoomMembershipStatus(url, h)

  const startEdit = () => pushModal(RoomEdit, {url, h})

  const handleLoading = async (action: () => Promise<Maybe<string>>, successMessage: string) => {
    loading = true

    try {
      const message = await action()

      pushToast(message ? {theme: "error", message} : {message: successMessage})
    } finally {
      loading = false
    }
  }

  const join = () => handleLoading(() => joinRoom(url, h), "You have joined the room.")

  const leave = () => handleLoading(() => leaveRoom(url, h), "You have left the room.")

  const startDelete = () =>
    pushModal(Confirm, {
      title: "Are you sure you want to delete this room?",
      message:
        "This room will no longer be accessible to space members, and all messages posted to it will be deleted.",
      confirm: async () => {
        const command = await $rooms.deleteRoom(url, {h})
        const thunk = command.publish()
        const message = await thunk.waitForError()

        if (message) {
          $app.repository.removeEvent(thunk.event.id)
          pushToast({theme: "error", message})
        } else {
          await $roomLists.removeRoom(h, url).then(publish)

          forgetSpacePage(url)
          navigate(makeSpacePath(url))
        }
      },
    })

  let loading = $state(false)
  let ul: Element

  onMount(() => {
    ul.addEventListener("click", onClick)
  })
</script>

<ul class="menu whitespace-nowrap rounded-2xl bg-surface p-2" bind:this={ul}>
  {#if $userIsAdmin}
    <li>
      <Button onclick={startEdit}>
        <Icon icon={Pen} />
        Edit Room
      </Button>
    </li>
    <li>
      <Button class="text-error" onclick={startDelete}>
        <Icon icon={TrashBin2} />
        Delete Room
      </Button>
    </li>
  {:else if $membershipStatus === MembershipStatus.Initial}
    <li>
      <Button disabled={loading} onclick={join}>
        {#if loading}
          <Spinner size="sm" />
        {:else}
          <Icon icon={Login3} />
        {/if}
        Join member list
      </Button>
    </li>
  {:else if $membershipStatus === MembershipStatus.Pending}
    <li>
      <Button>
        <Icon icon={ClockCircle} />
        Membership pending
      </Button>
    </li>
  {:else}
    <li>
      <Button disabled={loading} onclick={leave}>
        {#if loading}
          <Spinner size="sm" />
        {:else}
          <Icon icon={Login3} />
        {/if}
        Leave member list
      </Button>
    </li>
  {/if}
</ul>