From 605273d7c7cbefa9247e837aef21e39b0e223256 Mon Sep 17 00:00:00 2001
From: Jon Staab <shtaab@gmail.com>
Date: Tue, 24 Sep 2024 14:12:38 -0700
Subject: [PATCH] Add render support

---
 package-lock.json                             |  15 +++
 package.json                                  |   1 +
 src/app/components/Content.svelte             | 125 ++++++++++++++++++
 src/app/components/ContentCode.svelte         |   9 ++
 src/app/components/ContentLinkBlock.svelte    |  54 ++++++++
 src/app/components/ContentLinkInline.svelte   |  14 ++
 src/app/components/ContentMention.svelte      |  16 +++
 src/app/components/ContentNewline.svelte      |   7 +
 src/app/components/ContentQuote.svelte        |  21 +++
 src/app/components/ContentToken.svelte        |  17 +++
 src/app/components/ContentTopic.svelte        |   7 +
 src/app/components/NoteCard.svelte            |  16 +++
 src/app/components/Profile.svelte             |  20 +++
 src/app/components/ThreadItem.svelte          |  26 +---
 src/app/state.ts                              |  20 +++
 src/lib/editor/EditEvent.svelte               |   4 +-
 src/lib/editor/EditMention.svelte             |   3 +-
 src/routes/settings/about/+page.svelte        |   3 +-
 .../spaces/[nrelay]/threads/+page.svelte      |   2 +-
 19 files changed, 355 insertions(+), 25 deletions(-)
 create mode 100644 src/app/components/Content.svelte
 create mode 100644 src/app/components/ContentCode.svelte
 create mode 100644 src/app/components/ContentLinkBlock.svelte
 create mode 100644 src/app/components/ContentLinkInline.svelte
 create mode 100644 src/app/components/ContentMention.svelte
 create mode 100644 src/app/components/ContentNewline.svelte
 create mode 100644 src/app/components/ContentQuote.svelte
 create mode 100644 src/app/components/ContentToken.svelte
 create mode 100644 src/app/components/ContentTopic.svelte
 create mode 100644 src/app/components/NoteCard.svelte
 create mode 100644 src/app/components/Profile.svelte

diff --git a/package-lock.json b/package-lock.json
index 01f1a064..d3bfb0a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "@tiptap/suggestion": "^2.6.4",
         "@types/throttle-debounce": "^5.0.2",
         "@welshman/app": "^0.0.7",
+        "@welshman/content": "^0.0.9",
         "@welshman/lib": "^0.0.17",
         "@welshman/net": "^0.0.22",
         "@welshman/signer": "^0.0.5",
@@ -85,6 +86,11 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/@braintree/sanitize-url": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-7.1.0.tgz",
+      "integrity": "sha512-o+UlMLt49RvtCASlOMW0AkHnabN9wR9rwCCherxO0yG4Npy34GkvrAqdXQvrhNs+jh+gkK8gB8Lf05qL/O7KWg=="
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.21.5",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.21.5.tgz",
@@ -1679,6 +1685,15 @@
         "nostr-tools": "^2.7.2"
       }
     },
+    "node_modules/@welshman/content": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/@welshman/content/-/content-0.0.9.tgz",
+      "integrity": "sha512-tmzSRvVmOdet+X9W1vmjqHf4tkyhxotZ0qG7+iVPd7SjRSvuDmq09odT19rQtWn5Pl8mmEREyQgqzTRubDbsxg==",
+      "dependencies": {
+        "@braintree/sanitize-url": "^7.0.2",
+        "nostr-tools": "^2.7.2"
+      }
+    },
     "node_modules/@welshman/lib": {
       "version": "0.0.17",
       "resolved": "https://registry.npmjs.org/@welshman/lib/-/lib-0.0.17.tgz",
diff --git a/package.json b/package.json
index f9bc2b95..423beffb 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
     "@tiptap/suggestion": "^2.6.4",
     "@types/throttle-debounce": "^5.0.2",
     "@welshman/app": "^0.0.7",
+    "@welshman/content": "^0.0.9",
     "@welshman/lib": "^0.0.17",
     "@welshman/net": "^0.0.22",
     "@welshman/signer": "^0.0.5",
diff --git a/src/app/components/Content.svelte b/src/app/components/Content.svelte
new file mode 100644
index 00000000..a8dbb143
--- /dev/null
+++ b/src/app/components/Content.svelte
@@ -0,0 +1,125 @@
+<script lang="ts">
+  import {fromNostrURI} from "@welshman/util"
+  import {
+    parse,
+    truncate,
+    render as renderParsed,
+    isText,
+    isTopic,
+    isCode,
+    isCashu,
+    isInvoice,
+    isLink,
+    isProfile,
+    isEvent,
+    isEllipsis,
+    isAddress,
+    isNewline,
+  } from "@welshman/content"
+  import Link from '@lib/components/Link.svelte'
+  import Button from '@lib/components/Button.svelte'
+  import ContentToken from '@app/components/ContentToken.svelte'
+  import ContentCode from '@app/components/ContentCode.svelte'
+  import ContentLinkInline from '@app/components/ContentLinkInline.svelte'
+  import ContentLinkBlock from '@app/components/ContentLinkBlock.svelte'
+  import ContentNewline from '@app/components/ContentNewline.svelte'
+  import ContentQuote from '@app/components/ContentQuote.svelte'
+  import ContentTopic from '@app/components/ContentTopic.svelte'
+  import ContentMention from '@app/components/ContentMention.svelte'
+  import {nostr} from '@app/state'
+
+  export let event
+  export let minLength = 500
+  export let maxLength = 700
+  export let showEntire = false
+  export let skipMedia = false
+  export let expandable = true
+  export let depth = 0
+
+  const fullContent = parse(event)
+
+  const expand = () => {
+    showEntire = true
+  }
+
+  const isBoundary = (i: number) => {
+    const parsed = fullContent[i]
+
+    if (!parsed || isNewline(parsed)) return true
+    if (isText(parsed)) return parsed.value.match(/^\s+$/)
+
+    return false
+  }
+
+  const isStartAndEnd = (i: number) => Boolean(isBoundary(i - 1) && isBoundary(i + 1))
+
+  const isStartOrEnd = (i: number) => Boolean(isBoundary(i - 1) || isBoundary(i + 1))
+
+  const isBlock = (i: number) => {
+    const parsed = fullContent[i]
+
+    return isEvent(parsed) || isAddress(parsed) || isLink(parsed)
+  }
+
+  const isNextToBlock = (i: number) => isBlock(i - 1) || isBlock(i + 1)
+
+  $: shortContent = showEntire
+    ? fullContent
+    : truncate(
+        fullContent.filter(p => !skipMedia || (isLink(p) && p.value.isMedia)),
+        {
+          minLength,
+          maxLength,
+          mediaLength: 200,
+        },
+      )
+
+  $: ellipsize = expandable && shortContent.find(isEllipsis)
+</script>
+
+<div
+  class="overflow-hidden text-ellipsis"
+  style={ellipsize ? "mask-image: linear-gradient(0deg, transparent 0px, black 100px)" : ""}>
+  {#each shortContent as parsed, i}
+    {#if isNewline(parsed)}
+      <ContentNewline value={parsed.value.slice(isNextToBlock(i) ? 1 : 0)} />
+    {:else if isTopic(parsed)}
+      <ContentTopic value={parsed.value} />
+    {:else if isCode(parsed)}
+      <ContentCode value={parsed.value} />
+    {:else if isCashu(parsed) || isInvoice(parsed)}
+      <ContentToken value={parsed.value} />
+    {:else if isLink(parsed)}
+      {#if isStartOrEnd(i)}
+        <ContentLinkBlock value={parsed.value} />
+      {:else}
+        <ContentLinkInline value={parsed.value} />
+      {/if}
+    {:else if isProfile(parsed)}
+      <ContentMention value={parsed.value} />
+    {:else if isEvent(parsed) || isAddress(parsed)}
+      {#if isStartOrEnd(i) && depth < 2}
+        <ContentQuote value={parsed.value} {depth}>
+          <div slot="note-content" let:event>
+            <svelte:self {event} depth={depth + 1} />
+          </div>
+        </ContentQuote>
+      {:else}
+        <Link
+          external
+          class="overflow-hidden text-ellipsis whitespace-nowrap underline"
+          href={nostr(parsed.raw)}>
+          {fromNostrURI(parsed.raw).slice(0, 16) + "…"}
+        </Link>
+      {/if}
+    {:else}
+      {@html renderParsed(parsed)}
+    {/if}
+  {/each}
+</div>
+
+{#if ellipsize}
+  <div class="z-feature relative -mt-24 mb-0 flex justify-center bg-gradient-to-t from-base-100 pt-12" class:-ml-12={depth > 0}>
+    <Button class="btn" on:click={expand}>See more</Button>
+  </div>
+{/if}
diff --git a/src/app/components/ContentCode.svelte b/src/app/components/ContentCode.svelte
new file mode 100644
index 00000000..89d43ee5
--- /dev/null
+++ b/src/app/components/ContentCode.svelte
@@ -0,0 +1,9 @@
+<script lang="ts">
+  export let value
+</script>
+
+<pre>
+  <code class="link-content block w-full">
+    {value}
+  </code>
+</pre>
diff --git a/src/app/components/ContentLinkBlock.svelte b/src/app/components/ContentLinkBlock.svelte
new file mode 100644
index 00000000..e8c72d60
--- /dev/null
+++ b/src/app/components/ContentLinkBlock.svelte
@@ -0,0 +1,54 @@
+<script lang="ts">
+  import {ellipsize, displayUrl, postJson} from "@welshman/lib"
+  import {dufflepud, imgproxy} from "@app/state"
+  import Link from "@lib/components/Link.svelte"
+
+  export let value
+
+  const url = value.url.toString()
+
+  const loadPreview = async () => {
+    const json = await postJson(dufflepud("link/preview"), {url})
+
+    if (!json?.title && !json?.image) {
+      throw new Error("Failed to load link preview")
+    }
+
+    return json
+  }
+</script>
+
+<Link
+  external
+  href={url}
+  style="background-color: rgba(15, 15, 14, 0.5)"
+  class="relative flex w-full flex-grow flex-col overflow-hidden rounded-xl my-2">
+  {#if url.match(/\.(mov|webm|mp4)$/)}
+    <video controls src={url} class="max-h-96 object-contain object-center">
+      <track kind="captions" />
+    </video>
+  {:else if url.match(/\.(jpe?g|png|gif|webp)$/)}
+    <img
+      alt="Link preview"
+      src={imgproxy(url)}
+      class="object-cover object-center max-h-96" />
+  {:else}
+    {#await loadPreview()}
+      <span class="loading loading-spinner" />
+    {:then preview}
+      {#if preview.image}
+        <img
+          alt="Link preview"
+          src={imgproxy(preview.image)}
+          class="max-h-96 object-contain object-center" />
+      {/if}
+      <div class="h-px bg-neutral-600" />
+      {#if preview.title}
+        <div class="flex flex-col bg-white px-4 py-2 text-black">
+          <strong class="overflow-hidden text-ellipsis whitespace-nowrap">{preview.title}</strong>
+          <small>{ellipsize(preview.description, 140)}</small>
+        </div>
+      {/if}
+    {/await}
+  {/if}
+</Link>
diff --git a/src/app/components/ContentLinkInline.svelte b/src/app/components/ContentLinkInline.svelte
new file mode 100644
index 00000000..9e53ba06
--- /dev/null
+++ b/src/app/components/ContentLinkInline.svelte
@@ -0,0 +1,14 @@
+<script lang="ts">
+  import {displayUrl} from "@welshman/lib"
+  import Icon from "@lib/components/Icon.svelte"
+  import Link from "@lib/components/Link.svelte"
+
+  export let value
+
+  const url = value.url.toString()
+</script>
+
+<Link external href={url} class="link-content">
+  <Icon icon="link-round" size={3} class="inline-block" />
+  {displayUrl(url)}
+</Link>
diff --git a/src/app/components/ContentMention.svelte b/src/app/components/ContentMention.svelte
new file mode 100644
index 00000000..290694d3
--- /dev/null
+++ b/src/app/components/ContentMention.svelte
@@ -0,0 +1,16 @@
+<script lang="ts">
+  import {nip19} from 'nostr-tools'
+  import {displayProfile} from "@welshman/util"
+  import {deriveProfile} from "@welshman/app"
+  import Link from "@lib/components/Link.svelte"
+  import {nostr} from '@app/state'
+
+  export let value
+
+  const profile = deriveProfile(value.pubkey)
+  const nprofile = nip19.nprofileEncode(value)
+</script>
+
+<Link external href={nostr(nprofile)} class="link-content">
+  @{displayProfile($profile)}
+</Link>
diff --git a/src/app/components/ContentNewline.svelte b/src/app/components/ContentNewline.svelte
new file mode 100644
index 00000000..04078a7d
--- /dev/null
+++ b/src/app/components/ContentNewline.svelte
@@ -0,0 +1,7 @@
+<script lang="ts">
+  export let value
+</script>
+
+{#each value as _}
+  <br />
+{/each}
diff --git a/src/app/components/ContentQuote.svelte b/src/app/components/ContentQuote.svelte
new file mode 100644
index 00000000..febd9392
--- /dev/null
+++ b/src/app/components/ContentQuote.svelte
@@ -0,0 +1,21 @@
+<script lang="ts">
+  import {getAddress, Address} from "@welshman/util"
+  import NoteCard from "@app/components/NoteCard.svelte"
+  import {deriveEvent} from "@app/state"
+
+  export let value
+  export let depth = 0
+
+  const {id, identifier, kind, pubkey, relays} = value
+  const idOrAddress = id || new Address(kind, pubkey, identifier).toString()
+  const event = deriveEvent(idOrAddress, relays)
+
+  $: address = $event ? getAddress($event) : ""
+  $: isGroup = address.match(/^(34550|35834):/)
+</script>
+
+<button class="text-left my-2" on:click|stopPropagation>
+  <NoteCard event={$event} class="p-4 rounded-box bg-base-300">
+    <slot name="note-content" event={$event} {depth} />
+  </NoteCard>
+</button>
diff --git a/src/app/components/ContentToken.svelte b/src/app/components/ContentToken.svelte
new file mode 100644
index 00000000..c431f7b4
--- /dev/null
+++ b/src/app/components/ContentToken.svelte
@@ -0,0 +1,17 @@
+<script lang="ts">
+  import cx from "classnames"
+  import type {NodeViewProps} from "@tiptap/core"
+  import {NodeViewWrapper} from "svelte-tiptap"
+  import Icon from "@lib/components/Icon.svelte"
+  import Button from "@lib/components/Button.svelte"
+  import {clip} from "@app/toast"
+
+  export let value
+
+  const copy = () => clip(value)
+</script>
+
+<Button on:click={copy} class="link-content">
+  <Icon icon="bolt" size={3} class="inline-block translate-y-px" />
+  {value.slice(0, 16)}...
+</Button>
diff --git a/src/app/components/ContentTopic.svelte b/src/app/components/ContentTopic.svelte
new file mode 100644
index 00000000..01ec4947
--- /dev/null
+++ b/src/app/components/ContentTopic.svelte
@@ -0,0 +1,7 @@
+<script lang="ts">
+  export let value
+</script>
+
+<span class="link-content">
+  #{value}
+</span>
diff --git a/src/app/components/NoteCard.svelte b/src/app/components/NoteCard.svelte
new file mode 100644
index 00000000..e21e173b
--- /dev/null
+++ b/src/app/components/NoteCard.svelte
@@ -0,0 +1,16 @@
+<script lang="ts">
+  import {displayPubkey} from "@welshman/util"
+  import {deriveProfile, deriveProfileDisplay, formatTimestamp} from "@welshman/app"
+  import Avatar from "@lib/components/Avatar.svelte"
+  import Profile from "@app/components/Profile.svelte"
+
+  export let event
+</script>
+
+<div class="flex flex-col gap-2 {$$props.class}">
+  <div class="flex justify-between gap-2">
+    <Profile pubkey={event.pubkey} />
+    <span class="text-sm opacity-75">{formatTimestamp(event.created_at)}</span>
+  </div>
+  <slot />
+</div>
diff --git a/src/app/components/Profile.svelte b/src/app/components/Profile.svelte
new file mode 100644
index 00000000..622d30b2
--- /dev/null
+++ b/src/app/components/Profile.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+  import {displayPubkey} from "@welshman/util"
+  import {deriveProfile, deriveProfileDisplay, formatTimestamp} from "@welshman/app"
+  import Avatar from "@lib/components/Avatar.svelte"
+
+  export let pubkey
+
+  const profile = deriveProfile(pubkey)
+  const profileDisplay = deriveProfileDisplay(pubkey)
+</script>
+
+<div class="flex gap-2">
+  <div class="py-1">
+    <Avatar src={$profile?.picture} size={10} />
+  </div>
+  <div class="flex flex-col">
+    <div class="text-bold">{$profileDisplay}</div>
+    <div class="text-sm opacity-75">{displayPubkey(pubkey)}</div>
+  </div>
+</div>
diff --git a/src/app/components/ThreadItem.svelte b/src/app/components/ThreadItem.svelte
index 9b8b4d79..a39e1de1 100644
--- a/src/app/components/ThreadItem.svelte
+++ b/src/app/components/ThreadItem.svelte
@@ -1,31 +1,17 @@
 <script lang="ts">
-  import {displayPubkey} from "@welshman/util"
-  import {deriveProfile, deriveProfileDisplay, formatTimestamp} from "@welshman/app"
-  import Avatar from "@lib/components/Avatar.svelte"
+  import Content from "@app/components/Content.svelte"
+  import NoteCard from "@app/components/NoteCard.svelte"
 
   export let root
   export let replies
-
-  const profile = deriveProfile(root.pubkey)
-  const profileDisplay = deriveProfileDisplay(root.pubkey)
 </script>
 
 <div>
-  <div class="card2 flex flex-col gap-2">
-    <div class="flex items-center justify-between gap-2">
-      <div class="flex gap-2">
-        <div class="py-1">
-          <Avatar src={$profile?.picture} size={10} />
-        </div>
-        <div class="flex flex-col">
-          <div class="text-bold">{$profileDisplay}</div>
-          <div class="text-sm opacity-75">{displayPubkey(root.pubkey)}</div>
-        </div>
-      </div>
-      <span class="text-sm opacity-75">{formatTimestamp(root.created_at)}</span>
+  <NoteCard event={root} class="card2">
+    <div class="ml-12">
+      <Content event={root} />
     </div>
-    <div class="ml-12"></div>
-  </div>
+  </NoteCard>
   {#if replies.length > 0}
     Show {replies.length} {replies.length === 1 ? "reply" : "replies"}
   {/if}
diff --git a/src/app/state.ts b/src/app/state.ts
index d2d630c3..5a02430b 100644
--- a/src/app/state.ts
+++ b/src/app/state.ts
@@ -47,8 +47,28 @@ export const INDEXER_RELAYS = ["wss://purplepag.es/", "wss://relay.damus.io/", "
 
 export const DUFFLEPUD_URL = "https://dufflepud.onrender.com"
 
+export const IMGPROXY_URL = "https://imgproxy.coracle.social"
+
 export const REACTION_KINDS = [REACTION, ZAP_RESPONSE]
 
+export const dufflepud = (path: string) => DUFFLEPUD_URL + '/' + path
+
+export const imgproxy = (url: string, {w = 640, h = 1024} = {}) => {
+  if (!url || url.match("gif$")) {
+    return url
+  }
+
+  url = url.split("?")[0]
+
+  try {
+    return url ? `${IMGPROXY_URL}/x/s:${w}:${h}/${btoa(url)}` : url
+  } catch (e) {
+    return url
+  }
+}
+
+export const nostr = (entity: string) => `https://coracle.social/${entity}`
+
 setContext({
   net: getDefaultNetContext(),
   app: getDefaultAppContext({
diff --git a/src/lib/editor/EditEvent.svelte b/src/lib/editor/EditEvent.svelte
index 6b21c760..9eb0137e 100644
--- a/src/lib/editor/EditEvent.svelte
+++ b/src/lib/editor/EditEvent.svelte
@@ -4,7 +4,7 @@
   import {ellipsize} from "@welshman/lib"
   import {type TrustedEvent, fromNostrURI, Address} from "@welshman/util"
   import Link from "@lib/components/Link.svelte"
-  import {deriveEvent} from "@app/state"
+  import {deriveEvent, nostr} from "@app/state"
 
   export let node: NodeViewProps["node"]
 
@@ -18,7 +18,7 @@
 </script>
 
 <NodeViewWrapper class="inline">
-  <Link external href="https://njump.me/{node.attrs.nevent}" class="link-content">
+  <Link external href={nostr(node.attrs.nevent)} class="link-content">
     {displayEvent($event)}
   </Link>
 </NodeViewWrapper>
diff --git a/src/lib/editor/EditMention.svelte b/src/lib/editor/EditMention.svelte
index 68477ef0..79e92b4a 100644
--- a/src/lib/editor/EditMention.svelte
+++ b/src/lib/editor/EditMention.svelte
@@ -5,6 +5,7 @@
   import {displayProfile} from "@welshman/util"
   import {deriveProfile} from "@welshman/app"
   import Link from "@lib/components/Link.svelte"
+  import {nostr} from '@app/state'
 
   export let node: NodeViewProps["node"]
   export let selected: NodeViewProps["selected"]
@@ -15,7 +16,7 @@
 <NodeViewWrapper class="inline">
   <Link
     external
-    href="https://njump.me/{node.attrs.nprofile}"
+    href={nostr(node.attrs.nprofile)}
     class={cx("link-content", {"link-content-selected": selected})}>
     @{displayProfile($profile)}
   </Link>
diff --git a/src/routes/settings/about/+page.svelte b/src/routes/settings/about/+page.svelte
index ee8453ba..9cc42533 100644
--- a/src/routes/settings/about/+page.svelte
+++ b/src/routes/settings/about/+page.svelte
@@ -2,6 +2,7 @@
   import Link from "@lib/components/Link.svelte"
   import Icon from "@lib/components/Icon.svelte"
   import Button from "@lib/components/Button.svelte"
+  import {nostr} from '@app/state'
 
   const nprofile =
     "nprofile1qqsf03c2gsmx5ef4c9zmxvlew04gdh7u94afnknp33qvv3c94kvwxgspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsz9rhwden5te0wfjkcctev93xcefwdaexwtcpzdmhxue69uhhqatjwpkx2urpvuhx2ue0vamm57"
@@ -33,7 +34,7 @@
         <p class="text-center">
           Built with 💜 by
           <span class="text-primary">
-            @<Link external href="https://njump.me/{nprofile}" class="link">hodlbod</Link>
+            @<Link external href={nostr(nprofile)} class="link">hodlbod</Link>
           </span>
         </p>
         <div class="flex justify-center gap-4">
diff --git a/src/routes/spaces/[nrelay]/threads/+page.svelte b/src/routes/spaces/[nrelay]/threads/+page.svelte
index aa033654..4641e92b 100644
--- a/src/routes/spaces/[nrelay]/threads/+page.svelte
+++ b/src/routes/spaces/[nrelay]/threads/+page.svelte
@@ -51,7 +51,7 @@
     data-tip="Create an Event"
     on:click={createThread}>
     <div class="btn btn-circle btn-primary flex h-12 w-12 items-center justify-center">
-      <Icon icon="add-square" />
+      <Icon icon="notes-minimalistic" />
     </div>
   </Button>
 </div>