show brief in collection post

journal/models/collection.py

@@ -52,7 +52,7 @@ class Collection(List):
         return html
 
     @property
-    def plain_description(self):
+    def plain_content(self):
         html = render_md(self.brief)
         return _RE_HTML_TAG.sub(" ", html)
 

takahe/utils.py

@@ -549,7 +549,9 @@ class Takahe:
         category = "收藏单"
         item_link = collection.absolute_url
         pre_conetent = f'{action_label}{category}<a href="{item_link}">《{collection.title}》</a><br>'
-        content = ""
+        content = collection.plain_content
+        if len(content) > 360:
+            content = content[:357] + "..."
         data = {
             "object": {
                 # "tag": [item.ap_object_ref for item in collection.items],