From f9d13558c8198bf2a25035dfb3c112aaa2be4cbf Mon Sep 17 00:00:00 2001
From: eal <eal@waifu.club>
Date: Sun, 12 Aug 2018 22:24:10 +0300
Subject: [PATCH] CommonAPI: add emoji to user source data on update

---
 lib/pleroma/web/common_api/common_api.ex      | 14 ++++++++++++-
 lib/pleroma/web/common_api/utils.ex           | 12 +++++++++++
 test/web/common_api/common_api_test.exs       | 11 ++++++++++
 test/web/common_api/common_api_utils_test.exs | 20 +++++++++++++++++++
 4 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 3f18a68e8..4be6e7508 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -1,5 +1,5 @@
 defmodule Pleroma.Web.CommonAPI do
-  alias Pleroma.{Repo, Activity, Object}
+  alias Pleroma.{User, Repo, Activity, Object}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Formatter
 
@@ -118,6 +118,18 @@ def post(user, %{"status" => status} = data) do
   end
 
   def update(user) do
+    user =
+      with emoji <- emoji_from_profile(user),
+           source_data <- (user.info["source_data"] || %{}) |> Map.put("tag", emoji),
+           new_info <- Map.put(user.info, "source_data", source_data),
+           change <- User.info_changeset(user, %{info: new_info}),
+           {:ok, user} <- User.update_and_set_cache(change) do
+        user
+      else
+        _e ->
+          user
+      end
+
     ActivityPub.update(%{
       local: true,
       to: [user.follower_address],
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 30089f553..f6960bf41 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.CommonAPI.Utils do
   alias Pleroma.{Repo, Object, Formatter, Activity}
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.Endpoint
   alias Pleroma.User
   alias Calendar.Strftime
   alias Comeonin.Pbkdf2
@@ -196,4 +197,15 @@ def confirm_current_password(user, password) do
       _ -> {:error, "Invalid password."}
     end
   end
+
+  def emoji_from_profile(%{info: info} = user) do
+    (Formatter.get_emoji(user.bio) ++ Formatter.get_emoji(user.name))
+    |> Enum.map(fn {shortcode, url} ->
+      %{
+        "type" => "Emoji",
+        "icon" => %{"url" => "#{Endpoint.url()}#{url}"},
+        "name" => ":#{shortcode}:"
+      }
+    end)
+  end
 end
diff --git a/test/web/common_api/common_api_test.exs b/test/web/common_api/common_api_test.exs
index a5da271b3..2a2c40833 100644
--- a/test/web/common_api/common_api_test.exs
+++ b/test/web/common_api/common_api_test.exs
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.CommonAPI.Test do
   use Pleroma.DataCase
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.User
 
   import Pleroma.Factory
 
@@ -10,4 +11,14 @@ test "it de-duplicates tags" do
 
     assert activity.data["object"]["tag"] == ["2hu"]
   end
+
+  test "it adds emoji when updating profiles" do
+    user = insert(:user, %{name: ":karjalanpiirakka:"})
+
+    CommonAPI.update(user)
+    user = User.get_cached_by_ap_id(user.ap_id)
+    [karjalanpiirakka] = user.info["source_data"]["tag"]
+
+    assert karjalanpiirakka["name"] == ":karjalanpiirakka:"
+  end
 end
diff --git a/test/web/common_api/common_api_utils_test.exs b/test/web/common_api/common_api_utils_test.exs
index f39472ee3..cf97b2bfd 100644
--- a/test/web/common_api/common_api_utils_test.exs
+++ b/test/web/common_api/common_api_utils_test.exs
@@ -1,5 +1,6 @@
 defmodule Pleroma.Web.CommonAPI.UtilsTest do
   alias Pleroma.Web.CommonAPI.Utils
+  alias Pleroma.Web.Endpoint
   alias Pleroma.Builders.{UserBuilder}
   use Pleroma.DataCase
 
@@ -29,4 +30,23 @@ test "correct password given" do
       assert Utils.confirm_current_password(user, "test") == {:ok, user}
     end
   end
+
+  test "parses emoji from name and bio" do
+    {:ok, user} = UserBuilder.insert(%{name: ":karjalanpiirakka:", bio: ":perkele:"})
+
+    expected = [
+      %{
+        "type" => "Emoji",
+        "icon" => %{"url" => "#{Endpoint.url()}/finmoji/128px/perkele-128.png"},
+        "name" => ":perkele:"
+      },
+      %{
+        "type" => "Emoji",
+        "icon" => %{"url" => "#{Endpoint.url()}/finmoji/128px/karjalanpiirakka-128.png"},
+        "name" => ":karjalanpiirakka:"
+      }
+    ]
+
+    assert expected == Utils.emoji_from_profile(user)
+  end
 end