From a1d9c8aa13a7ecc39c0a551dec0e061ee25a1e80 Mon Sep 17 00:00:00 2001
From: DanConwayDev <DanConwayDev@protonmail.com>
Date: Wed, 28 Feb 2024 22:33:59 +0000
Subject: [PATCH] feat: display cover letter content

as normal text note with header stripped for now
---
 src/lib/components/events/content/utils.spec.ts | 10 ++++++++++
 src/lib/components/events/content/utils.ts      | 16 ++++++++++++++++
 src/lib/wrappers/EventCard.svelte               | 13 ++++++++++++-
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/src/lib/components/events/content/utils.spec.ts b/src/lib/components/events/content/utils.spec.ts
index cae3d32..4f9301c 100644
--- a/src/lib/components/events/content/utils.spec.ts
+++ b/src/lib/components/events/content/utils.spec.ts
@@ -23,6 +23,16 @@ describe('extractPatchMessage', () => {
     )
   })
 
+  test('cover letter', () => {
+    expect(
+      extractPatchMessage(
+        `From 8a45afcacd035de474e142e29cbdfa979d23f751 Mon Sep 17 00:00:00 2001\nSubject: [PATCH 0/2] testing multiple revisions of multi patch proposal with cover letter\n\nhere is the cover letter description`
+      )
+    ).toEqual(
+      'testing multiple revisions of multi patch proposal with cover letter\n\nhere is the cover letter description'
+    )
+  })
+
   test('extractPatchMessage - returns undefined if not parsed', () => {
     expect(
       extractPatchMessage(
diff --git a/src/lib/components/events/content/utils.ts b/src/lib/components/events/content/utils.ts
index f7e8308..8a03da1 100644
--- a/src/lib/components/events/content/utils.ts
+++ b/src/lib/components/events/content/utils.ts
@@ -94,9 +94,16 @@ export const parseContent = ({ content }: ContentArgs): ParsedPart[] => {
   return result
 }
 
+export const isCoverLetter = (s: string): boolean => {
+  return s.indexOf('PATCH 0/') > 0
+}
+
 /** this doesn't work for all patch formats and options */
 export const extractPatchMessage = (s: string): string | undefined => {
   try {
+    if (isCoverLetter(s)) {
+      return s.substring(s.indexOf('] ') + 2)
+    }
     const t = s.split('\nSubject: [')[1].split('] ')[1]
     if (t.split('\n\n---\n ').length > 1) return t.split('\n\n---\n ')[0]
     return t.split('\n\ndiff --git ')[0].split('\n\n ').slice(0, -1).join('')
@@ -112,6 +119,15 @@ export const extractPatchTitle = (s: string): string | undefined => {
   return s.split('\n')[0]
 }
 
+/** patch message without first line */
+export const extractPatchDescription = (s: string): string | undefined => {
+  const msg = extractPatchMessage(s)
+  if (!msg) return ''
+  const i = msg.indexOf('\n')
+  if (i === -1) return ''
+  return msg.substring(i).trim()
+}
+
 export const extractIssueTitle = (s: string): string => {
   return s.split('\n')[0] || ''
 }
diff --git a/src/lib/wrappers/EventCard.svelte b/src/lib/wrappers/EventCard.svelte
index 78b059b..612d6f5 100644
--- a/src/lib/wrappers/EventCard.svelte
+++ b/src/lib/wrappers/EventCard.svelte
@@ -9,6 +9,10 @@
   import type { NDKEvent } from '@nostr-dev-kit/ndk'
   import { onDestroy } from 'svelte'
   import { writable, type Unsubscriber } from 'svelte/store'
+  import {
+    extractPatchMessage,
+    isCoverLetter,
+  } from '$lib/components/events/content/utils'
 
   export let event: NDKEvent
   export let type: 'proposal' | 'issue' = 'proposal'
@@ -28,7 +32,14 @@
 
 <EventWrapper {type} author={$author} created_at={event.created_at} {event}>
   {#if event.kind == patch_kind}
-    <Patch content={event.content} tags={event.tags} />
+    {#if isCoverLetter(event.content)}
+      <ParsedContent
+        content={extractPatchMessage(event.content)}
+        tags={event.tags}
+      />
+    {:else}
+      <Patch content={event.content} tags={event.tags} />
+    {/if}
   {:else if event.kind && proposal_status_kinds.includes(event.kind)}
     <Status {type} status={event.kind} />
   {:else}