Display removed selftext as "[deleted]".

When a self-post is manually removed (via the "remove" button)
by an admin or a moderator, the text of that self post will be
displayed as "[deleted]" unless the viewer is an admin, mod of
the subreddit the post is in, or the author of the content.

r2/r2/lib/pages/pages.py

@@ -2670,12 +2670,33 @@ class MediaEmbed(Templated):
     """The actual rendered iframe for a media child"""
     pass
 
+
 class SelfTextChild(LinkChild):
     css_style = "selftext"
+
+    def _should_expunge_selftext(self):
+        verdict = getattr(self.link, "verdict", "")
+        if verdict not in ("admin-removed", "mod-removed"):
+            return False
+        if not c.user_is_loggedin:
+            return True
+        if c.user_is_admin:
+            return False
+        if c.user == self.link.author:
+            return False
+
+        sr = Subreddit._byID(self.link.sr_id, stale=True)
+        if sr.is_moderator(c.user):
+            return False
+
+        return True
+
     def content(self):
+        expunged = self._should_expunge_selftext()
         u = UserText(self.link, self.link.selftext,
                      editable = c.user == self.link.author,
-                     nofollow = self.nofollow)
+                     nofollow = self.nofollow,
+                     expunged=expunged)
         return u.render()
 
 class UserText(CachedTemplate):
@@ -2691,7 +2712,8 @@ class UserText(CachedTemplate):
                  post_form = 'editusertext',
                  cloneable = False,
                  extra_css = '',
-                 name = "text"):
+                 name = "text",
+                 expunged=False):
 
         css_class = "usertext"
         if cloneable:
@@ -2714,7 +2736,8 @@ class UserText(CachedTemplate):
                                 post_form = post_form,
                                 cloneable = cloneable,
                                 css_class = css_class,
-                                name = name)
+                                name = name,
+                                expunged=expunged)
 
 class MediaEmbedBody(CachedTemplate):
     """What's rendered inside the iframe that contains media objects"""

r2/r2/templates/usertext.compact

@@ -47,10 +47,14 @@
   <input type="hidden" name="thing_id" value="${thing.fullname or ''}"/>
 
   %if not thing.creating:
+    % if not thing.expunged:
     <div class="usertext-body">
       ${unsafe(safemarkdown(thing.text, nofollow = thing.nofollow,
                                         target = thing.target))}
     </div>
+    % else:
+    <em>${_("[deleted]")}</em>&#32;
+    % endif
   %endif
 
   %if thing.editable or thing.creating:

r2/r2/templates/usertext.html

@@ -48,8 +48,12 @@
 
   %if not thing.creating:
     <div class="usertext-body">
+      % if not thing.expunged:
       ${unsafe(safemarkdown(thing.text, nofollow = thing.nofollow,
                                         target = thing.target))}
+      % else:
+      <em>${_("[deleted]")}</em>&#32;
+      % endif
     </div>
   %endif
 

r2/r2/templates/usertext.mobile

@@ -24,8 +24,12 @@
  %>
 
 %if thing.text:
+%if not thing.expunged:
 <div class="usertext-body">
     ${unsafe(safemarkdown(thing.text, nofollow = thing.nofollow,
                           target = thing.target))}
 </div>
-%endif
+%else:
+<em>${_("[deleted]")}</em>&#32;
+%endif
+%endif