From 42f30e2fb29fb1692537a904c4f7a089d965fbf3 Mon Sep 17 00:00:00 2001
From: Innei <i@innei.in>
Date: Mon, 4 Dec 2023 14:59:22 +0800
Subject: [PATCH] feat: support note header cover image

Signed-off-by: Innei <i@innei.in>
---
 src/app/notes/[id]/pageExtra.tsx              |  2 +-
 src/app/notes/[id]/pageImpl.tsx               |  3 +
 src/app/notes/layout.tsx                      |  6 +-
 src/components/ui/link-card/LinkCard.tsx      |  4 +-
 src/components/widgets/note/NoteHeadCover.tsx | 95 +++++++++++++++++++
 src/styles/theme.css                          |  4 +
 6 files changed, 108 insertions(+), 6 deletions(-)
 create mode 100644 src/components/widgets/note/NoteHeadCover.tsx

diff --git a/src/app/notes/[id]/pageExtra.tsx b/src/app/notes/[id]/pageExtra.tsx
index 6b1ad9ed7e..90ef578708 100644
--- a/src/app/notes/[id]/pageExtra.tsx
+++ b/src/app/notes/[id]/pageExtra.tsx
@@ -51,7 +51,7 @@ export const NoteTitle = () => {
       <GoToAdminEditingButton
         type="notes"
         id={id!}
-        className="absolute -top-6 right-0"
+        className="absolute right-0 top-0"
       />
     </>
   )
diff --git a/src/app/notes/[id]/pageImpl.tsx b/src/app/notes/[id]/pageImpl.tsx
index e24aa4fe16..cf0d5c484d 100644
--- a/src/app/notes/[id]/pageImpl.tsx
+++ b/src/app/notes/[id]/pageImpl.tsx
@@ -20,6 +20,7 @@ import { XLogInfoForNote } from '~/components/widgets/xlog'
 import { LayoutRightSidePortal } from '~/providers/shared/LayoutRightSideProvider'
 import { WrappedElementProvider } from '~/providers/shared/WrappedElementProvider'
 
+import { NoteHeadCover } from '../../../components/widgets/note/NoteHeadCover'
 import { NoteHideIfSecret } from '../../../components/widgets/note/NoteHideIfSecret'
 import { NoteMetaBar } from '../../../components/widgets/note/NoteMetaBar'
 import {
@@ -36,6 +37,8 @@ const NotePage = function (props: NoteModel) {
   return (
     <>
       <AckRead id={props.id} type="note" />
+
+      {props.meta?.cover && <NoteHeadCover image={props.meta.cover} />}
       <NoteHeaderMetaInfoSetting />
       <IndentArticleContainer>
         <header>
diff --git a/src/app/notes/layout.tsx b/src/app/notes/layout.tsx
index b5c9196d43..0188bd2899 100644
--- a/src/app/notes/layout.tsx
+++ b/src/app/notes/layout.tsx
@@ -9,18 +9,18 @@ export default async (props: PropsWithChildren) => {
     <div
       className={clsx(
         'relative mx-auto grid min-h-[calc(100vh-6.5rem-10rem)] max-w-[60rem]',
-        'gap-4 md:grid-cols-1 lg:max-w-[calc(60rem+400px)] lg:grid-cols-[1fr_minmax(auto,60rem)_1fr]',
+        'gap-4 md:grid-cols-1 xl:max-w-[calc(60rem+400px)] xl:grid-cols-[1fr_minmax(auto,60rem)_1fr]',
         'mt-12',
         'print:!block print:!max-w-full md:mt-24',
       )}
     >
-      <div className="relative hidden min-w-0 lg:block" data-hide-print>
+      <div className="relative hidden min-w-0 xl:block" data-hide-print>
         <NoteLeftSidebar />
       </div>
 
       {props.children}
 
-      <LayoutRightSideProvider className="relative hidden print:!hidden lg:block" />
+      <LayoutRightSideProvider className="relative hidden print:!hidden xl:block" />
     </div>
   )
 }
diff --git a/src/components/ui/link-card/LinkCard.tsx b/src/components/ui/link-card/LinkCard.tsx
index 8cd51d8931..bc131bc13e 100644
--- a/src/components/ui/link-card/LinkCard.tsx
+++ b/src/components/ui/link-card/LinkCard.tsx
@@ -316,8 +316,8 @@ const fetchMxSpaceData: FetchObject = {
         setFullUrl(`/posts/${cate}/${slug}`)
       } else if (type === 'notes') {
         const [nid] = rest
-        const response = await apiClient.note.getNoteById(nid)
-        data = response
+        const response = await apiClient.note.getNoteById(+nid)
+        data = response.data
         setFullUrl(`/notes/${nid}`)
       }
 
diff --git a/src/components/widgets/note/NoteHeadCover.tsx b/src/components/widgets/note/NoteHeadCover.tsx
new file mode 100644
index 0000000000..59765b1312
--- /dev/null
+++ b/src/components/widgets/note/NoteHeadCover.tsx
@@ -0,0 +1,95 @@
+'use client'
+
+import { useLayoutEffect, useState } from 'react'
+import clsx from 'clsx'
+
+import { AutoResizeHeight } from '~/components/widgets/shared/AutoResizeHeight'
+
+function cropImageTo16by9(src: string): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const img = new Image()
+    img.crossOrigin = 'anonymous'
+    img.onload = () => {
+      const canvas = document.createElement('canvas')
+      const ctx = canvas.getContext('2d')!
+
+      const aspectRatio = 838 / 224
+      let cropWidth = img.width
+      let cropHeight = cropWidth / aspectRatio
+
+      if (cropHeight > img.height) {
+        cropHeight = img.height
+        cropWidth = cropHeight * aspectRatio
+      }
+
+      const left = (img.width - cropWidth) / 2
+      const top = (img.height - cropHeight) / 2
+
+      // 设置 canvas 尺寸和绘制裁剪的图像
+      canvas.width = cropWidth
+      canvas.height = cropHeight
+      ctx.drawImage(
+        img,
+        left,
+        top,
+        cropWidth,
+        cropHeight,
+        0,
+        0,
+        cropWidth,
+        cropHeight,
+      )
+
+      // 转换 canvas 内容为 blob URL
+      canvas.toBlob((blob) => {
+        if (blob) {
+          const url = URL.createObjectURL(blob)
+          resolve(url)
+        } else {
+          reject('Blob conversion failed')
+        }
+      }, 'image/jpeg')
+    }
+    img.onerror = reject
+
+    // 设置图像源以开始加载
+    img.src = src
+  })
+}
+
+export const NoteHeadCover = ({ image }: { image: string }) => {
+  const [imageBlob, setImageBlob] = useState<string | null>(null)
+  useLayoutEffect(() => {
+    let isMounted = true
+    cropImageTo16by9(image).then((b) => {
+      if (!isMounted) return
+      setImageBlob(b)
+    })
+    return () => {
+      isMounted = false
+    }
+  }, [image])
+  return (
+    <>
+      <AutoResizeHeight>
+        <div
+          className={clsx(
+            'z-1 absolute left-0 right-0 top-0',
+            imageBlob ? 'h-[224px]' : '0',
+          )}
+        >
+          <div
+            style={{
+              backgroundImage: `url(${imageBlob})`,
+            }}
+            className="cover-mask-b h-full w-full bg-cover bg-center bg-no-repeat"
+          />
+        </div>
+      </AutoResizeHeight>
+
+      <AutoResizeHeight>
+        <div className={imageBlob ? 'h-[120px]' : 'h-0'} />
+      </AutoResizeHeight>
+    </>
+  )
+}
diff --git a/src/styles/theme.css b/src/styles/theme.css
index 08861d7d94..5868b74f6d 100644
--- a/src/styles/theme.css
+++ b/src/styles/theme.css
@@ -164,3 +164,7 @@
     rgb(255, 255, 255) 20px
   );
 }
+
+.cover-mask-b {
+  mask-image: linear-gradient(180deg, #fff -17.19%, #00000000 92.43%);
+}