feat: 编辑器支持引用站内帖子

Related #683

frontend_nuxt/utils/vditor.js

@@ -2,6 +2,7 @@ import Vditor from 'vditor'
 import { getToken, authState } from './auth'
 import { searchUsers, fetchFollowings, fetchAdmins } from './user'
 import { tiebaEmoji } from './tiebaEmoji'
+import vditorPostCitation from './vditorPostCitation.js'
 
 export function getEditorTheme() {
   return document.documentElement.dataset.theme === 'dark' ? 'dark' : 'classic'
@@ -79,6 +80,7 @@ export function createVditor(editorId, options = {}) {
             }))
           },
         },
+        vditorPostCitation(API_BASE_URL),
       ],
     },
     cdn: 'https://openisle-1307107697.cos.ap-guangzhou.myqcloud.com/assert/vditor',

frontend_nuxt/utils/vditorPostCitation.js

@@ -0,0 +1,52 @@
+import { authState, getToken } from '~/utils/auth'
+
+async function getPost(apiBaseUrl, id) {
+  return await fetch(`${apiBaseUrl}/api/posts/${id}`, {
+    method: 'GET',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Bearer ${getToken()}`,
+    },
+  })
+}
+
+async function searchPost(apiBaseUrl, keyword) {
+  return await fetch(`${apiBaseUrl}/api/search/global?keyword=${keyword}`, {
+    method: 'GET',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Bearer ${getToken()}`,
+    },
+  })
+}
+
+export default (apiBaseUrl) => {
+  return {
+    key: '#',
+    hint: async (keyword) => {
+      if (!keyword.trim()) return []
+      try {
+        const response = await searchPost(apiBaseUrl, keyword)
+        if (response.ok) {
+          const body = await response.json()
+          let value = ''
+          return (
+            body
+              ?.filter((item) => item.type === 'comment' || item.type === 'post')
+              .map((item) => ({
+                value:
+                  item.type === 'comment'
+                    ? `[${item.text}](posts/${item.postId}#comment-${item.id})`
+                    : `[${item.text}](posts/${item.id})`,
+                html: `<div>${item.text}</div>`,
+              })) ?? []
+          )
+        } else {
+          return []
+        }
+      } catch {
+        return []
+      }
+    },
+  }
+}