Merge branch 'features/mastoapi-multi-hashtag' into 'develop'

MastodonAPI multi-hashtag

See merge request pleroma/pleroma!652

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -426,7 +426,34 @@ defp restrict_since(query, %{"since_id" => since_id}) do
 
   defp restrict_since(query, _), do: query
 
-  defp restrict_tag(query, %{"tag" => tag}) do
+  defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
+       when is_list(tag_reject) and tag_reject != [] do
+    from(
+      activity in query,
+      where: fragment("(not (? #> '{\"object\",\"tag\"}') \\?| ?)", activity.data, ^tag_reject)
+    )
+  end
+
+  defp restrict_tag_reject(query, _), do: query
+
+  defp restrict_tag_all(query, %{"tag_all" => tag_all})
+       when is_list(tag_all) and tag_all != [] do
+    from(
+      activity in query,
+      where: fragment("(? #> '{\"object\",\"tag\"}') \\?& ?", activity.data, ^tag_all)
+    )
+  end
+
+  defp restrict_tag_all(query, _), do: query
+
+  defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
+    from(
+      activity in query,
+      where: fragment("(? #> '{\"object\",\"tag\"}') \\?| ?", activity.data, ^tag)
+    )
+  end
+
+  defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
     from(
       activity in query,
       where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
@@ -575,6 +602,8 @@ def fetch_activities_query(recipients, opts \\ %{}) do
     base_query
     |> restrict_recipients(recipients, opts["user"])
     |> restrict_tag(opts)
+    |> restrict_tag_reject(opts)
+    |> restrict_tag_all(opts)
     |> restrict_since(opts)
     |> restrict_local(opts)
     |> restrict_limit(opts)

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -541,15 +541,34 @@ def reblogged_by(conn, %{"id" => id}) do
   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
     local_only = params["local"] in [true, "True", "true", "1"]
 
-    params =
+    tags =
+      [params["tag"], params["any"]]
+      |> List.flatten()
+      |> Enum.uniq()
+      |> Enum.filter(& &1)
+      |> Enum.map(&String.downcase(&1))
+
+    tag_all =
+      params["all"] ||
+        []
+        |> Enum.map(&String.downcase(&1))
+
+    tag_reject =
+      params["none"] ||
+        []
+        |> Enum.map(&String.downcase(&1))
+
+    query_params =
       params
       |> Map.put("type", "Create")
       |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
-      |> Map.put("tag", String.downcase(params["tag"]))
+      |> Map.put("tag", tags)
+      |> Map.put("tag_all", tag_all)
+      |> Map.put("tag_reject", tag_reject)
 
     activities =
-      ActivityPub.fetch_public_activities(params)
+      ActivityPub.fetch_public_activities(query_params)
       |> Enum.reverse()
 
     conn

test/web/activity_pub/activity_pub_test.exs

@@ -64,6 +64,34 @@ test "it returns a user" do
       assert user.info.ap_enabled
       assert user.follower_address == "http://mastodon.example.org/users/admin/followers"
     end
+
+    test "it fetches the appropriate tag-restricted posts" do
+      user = insert(:user)
+
+      {:ok, status_one} = CommonAPI.post(user, %{"status" => ". #test"})
+      {:ok, status_two} = CommonAPI.post(user, %{"status" => ". #essais"})
+      {:ok, status_three} = CommonAPI.post(user, %{"status" => ". #test #reject"})
+
+      fetch_one = ActivityPub.fetch_activities([], %{"tag" => "test"})
+      fetch_two = ActivityPub.fetch_activities([], %{"tag" => ["test", "essais"]})
+
+      fetch_three =
+        ActivityPub.fetch_activities([], %{
+          "tag" => ["test", "essais"],
+          "tag_reject" => ["reject"]
+        })
+
+      fetch_four =
+        ActivityPub.fetch_activities([], %{
+          "tag" => ["test"],
+          "tag_all" => ["test", "reject"]
+        })
+
+      assert fetch_one == [status_one, status_three]
+      assert fetch_two == [status_one, status_two, status_three]
+      assert fetch_three == [status_one, status_two]
+      assert fetch_four == [status_three]
+    end
   end
 
   describe "insertion" do

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -1044,6 +1044,34 @@ test "hashtag timeline", %{conn: conn} do
     end)
   end
 
+  test "multi-hashtag timeline", %{conn: conn} do
+    user = insert(:user)
+
+    {:ok, activity_test} = CommonAPI.post(user, %{"status" => "#test"})
+    {:ok, activity_test1} = CommonAPI.post(user, %{"status" => "#test #test1"})
+    {:ok, activity_none} = CommonAPI.post(user, %{"status" => "#test #none"})
+
+    any_test =
+      conn
+      |> get("/api/v1/timelines/tag/test", %{"any" => ["test1"]})
+
+    [status_none, status_test1, status_test] = json_response(any_test, 200)
+
+    assert to_string(activity_test.id) == status_test["id"]
+    assert to_string(activity_test1.id) == status_test1["id"]
+    assert to_string(activity_none.id) == status_none["id"]
+
+    restricted_test =
+      conn
+      |> get("/api/v1/timelines/tag/test", %{"all" => ["test1"], "none" => ["none"]})
+
+    assert [status_test1] == json_response(restricted_test, 200)
+
+    all_test = conn |> get("/api/v1/timelines/tag/test", %{"all" => ["none"]})
+
+    assert [status_none] == json_response(all_test, 200)
+  end
+
   test "getting followers", %{conn: conn} do
     user = insert(:user)
     other_user = insert(:user)