StatusView: add `quote_visible` param

lib/pleroma/web/api_spec/schemas/status.ex

@@ -204,6 +204,10 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Status do
             nullable: true,
             description: "URL of the quoted status"
           },
+          quote_visible: %Schema{
+            type: :boolean,
+            description: "`true` if the quoted post is visible to the user"
+          },
           local: %Schema{
             type: :boolean,
             description: "`true` if the post was made on the local instance"

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -432,6 +432,7 @@ def render("show.json", %{activity: %{data: %{"object" => _object}} = activity}
         in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
         quote: quote_post,
         quote_url: object.data["quoteUrl"],
+        quote_visible: visible_for_user?(quote_activity, opts[:for]),
         content: %{"text/plain" => content_plaintext},
         spoiler_text: %{"text/plain" => summary},
         expires_at: expires_at,

test/pleroma/web/mastodon_api/views/status_view_test.exs

@@ -328,6 +328,7 @@ test "a note activity" do
         in_reply_to_account_acct: nil,
         quote: nil,
         quote_url: nil,
+        quote_visible: false,
         content: %{"text/plain" => HTML.strip_tags(object_data["content"])},
         spoiler_text: %{"text/plain" => HTML.strip_tags(object_data["summary"])},
         expires_at: nil,
@@ -462,6 +463,7 @@ test "quoted private post" do
     # The quote isn't rendered
     refute status.pleroma.quote
     assert status.pleroma.quote_url == private_object.data["id"]
+    refute status.pleroma.quote_visible
 
     # After following the user, the quote is rendered
     follower = insert(:user)
@@ -469,6 +471,7 @@ test "quoted private post" do
 
     status = StatusView.render("show.json", %{activity: quote_private, for: follower})
     assert status.pleroma.quote.id == to_string(private.id)
+    assert status.pleroma.quote_visible
   end
 
   test "quoted direct message" do
@@ -485,6 +488,7 @@ test "quoted direct message" do
     # The quote isn't rendered
     refute status.pleroma.quote
     assert status.pleroma.quote_url == direct_object.data["id"]
+    refute status.pleroma.quote_visible
   end
 
   test "contains mentions" do