109 lines
3.8 KiB
Svelte
109 lines
3.8 KiB
Svelte
<script module lang="ts">
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import {postJson, simpleCache} from "@welshman/lib"
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import {dufflepud} from "@app/env"
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// Cache previews by url so the same link isn't re-fetched across renders/instances.
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const loadPreview = simpleCache(async ([url]: [string]) => {
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const json = await postJson(dufflepud("link/preview"), {url})
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if (!json?.title && !json?.image) {
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throw new Error("Failed to load link preview")
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}
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return json
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})
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</script>
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<script lang="ts">
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import {call, ellipsize, displayUrl} from "@welshman/lib"
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import {isRelayUrl, tagSpec, tagValue} from "@welshman/util"
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import {Capacitor} from "@capacitor/core"
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import {preventDefault, stopPropagation} from "@lib/html"
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import Link from "@lib/components/Link.svelte"
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import Spinner from "@lib/components/Spinner.svelte"
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import ContentLinkDetail from "@app/components/ContentLinkDetail.svelte"
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import ContentLinkUrl from "@app/components/ContentLinkUrl.svelte"
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import ContentLinkBlockImage from "@app/components/ContentLinkBlockImage.svelte"
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import {pushModal} from "@app/modal"
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import {PLATFORM_URL, THUMBNAIL_URL} from "@app/env"
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import {IMAGE_CONTENT_TYPES, VIDEO_CONTENT_TYPES} from "@app/content"
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import {isRoomId} from "@app/rooms"
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const {value, event} = $props()
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let hideImage = $state(false)
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const url = value.url.toString()
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const isRoomOrRelay = isRoomId(url) || isRelayUrl(url)
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const [href, external] = call(() => {
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if (url.startsWith(PLATFORM_URL)) return [url.replace(PLATFORM_URL, ""), false]
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return [url, true]
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})
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const fileType = tagValue(tagSpec("file-type"), event.tags) || ""
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const getVideoPoster = (videoUrl: string): string | undefined => {
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if (Capacitor.getPlatform() === "android" && THUMBNAIL_URL) {
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return `${THUMBNAIL_URL}/thumbnail?url=${encodeURIComponent(videoUrl)}`
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}
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return undefined
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}
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const onError = () => {
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hideImage = true
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}
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const expand = () => pushModal(ContentLinkDetail, {value, event}, {fullscreen: true})
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</script>
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{#if isRoomOrRelay}
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<ContentLinkUrl {url} class="link-content whitespace-nowrap" />
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{:else}
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<Link {external} {href} class="my-2 block">
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{#if url.match(/\.(mov|webm|mp4)$/) || VIDEO_CONTENT_TYPES.includes(fileType)}
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<video
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controls
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src={url}
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poster={getVideoPoster(url)}
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preload="metadata"
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class="max-h-96 rounded-2xl object-contain object-center">
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<track kind="captions" />
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</video>
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{:else if url.match(/\.(jpe?g|png|gif|webp)$/) || IMAGE_CONTENT_TYPES.includes(fileType)}
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<button type="button" onclick={stopPropagation(preventDefault(expand))}>
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<ContentLinkBlockImage {value} {event} class="m-auto max-h-96 rounded-2xl" />
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</button>
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{:else}
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{#await loadPreview(url)}
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<div class="flex justify-center items-center my-12 w-full">
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<Spinner />
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</div>
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{:then preview}
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<div
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class="border border-solid flex max-w-xl flex-col overflow-hidden leading-normal rounded-2xl"
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style="border-color: var(--line)">
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{#if preview.image && !hideImage}
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<img
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alt=""
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onerror={onError}
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src={preview.image}
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class="bg-surface max-h-72 object-contain object-center" />
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{/if}
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<div class="flex flex-col gap-2 p-4">
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<strong class="overflow-hidden text-ellipsis whitespace-nowrap"
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>{preview.title || displayUrl(url)}</strong>
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<p>{ellipsize(preview.description, 140)}</p>
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</div>
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</div>
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{:catch}
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<p
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class="border border-solid p-12 text-center leading-normal rounded-2xl"
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style="border-color: var(--line)">
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Unable to load a preview for {url}
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</p>
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{/await}
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{/if}
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</Link>
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{/if}
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