Extract conversation actions from `MastodonAPIController` to ConversationController

lib/pleroma/web/mastodon_api/controllers/conversation_controller.ex

@@ -0,0 +1,32 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.ConversationController do
+  use Pleroma.Web, :controller
+
+  import Pleroma.Web.ControllerHelper, only: [add_link_headers: 2]
+
+  alias Pleroma.Conversation.Participation
+  alias Pleroma.Repo
+
+  action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
+
+  @doc "GET /api/v1/conversations"
+  def index(%{assigns: %{user: user}} = conn, params) do
+    participations = Participation.for_user_with_last_activity_id(user, params)
+
+    conn
+    |> add_link_headers(participations)
+    |> render("participations.json", participations: participations, for: user)
+  end
+
+  @doc "POST /api/v1/conversations/:id/read"
+  def read(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
+    with %Participation{} = participation <-
+           Repo.get_by(Participation, id: participation_id, user_id: user.id),
+         {:ok, participation} <- Participation.mark_as_read(participation) do
+      render(conn, "participation.json", participation: participation, for: user)
+    end
+  end
+end

lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex

@@ -12,7 +12,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Activity
   alias Pleroma.Bookmark
   alias Pleroma.Config
-  alias Pleroma.Conversation.Participation
   alias Pleroma.Emoji
   alias Pleroma.HTTP
   alias Pleroma.Object
@@ -27,7 +26,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.AppView
-  alias Pleroma.Web.MastodonAPI.ConversationView
   alias Pleroma.Web.MastodonAPI.ListView
   alias Pleroma.Web.MastodonAPI.MastodonAPI
   alias Pleroma.Web.MastodonAPI.MastodonView
@@ -1003,31 +1001,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     render_error(conn, :forbidden, "Invalid credentials")
   end
 
-  def conversations(%{assigns: %{user: user}} = conn, params) do
-    participations = Participation.for_user_with_last_activity_id(user, params)
-
-    conversations =
-      Enum.map(participations, fn participation ->
-        ConversationView.render("participation.json", %{participation: participation, for: user})
-      end)
-
-    conn
-    |> add_link_headers(participations)
-    |> json(conversations)
-  end
-
-  def conversation_read(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
-    with %Participation{} = participation <-
-           Repo.get_by(Participation, id: participation_id, user_id: user.id),
-         {:ok, participation} <- Participation.mark_as_read(participation) do
-      participation_view =
-        ConversationView.render("participation.json", %{participation: participation, for: user})
-
-      conn
-      |> json(participation_view)
-    end
-  end
-
   def password_reset(conn, params) do
     nickname_or_email = params["email"] || params["nickname"]
 

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

@@ -11,6 +11,10 @@ defmodule Pleroma.Web.MastodonAPI.ConversationView do
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.StatusView
 
+  def render("participations.json", %{participations: participations, for: user}) do
+    render_many(participations, __MODULE__, "participation.json", as: :participation, for: user)
+  end
+
   def render("participation.json", %{participation: participation, for: user}) do
     participation = Repo.preload(participation, conversation: [], recipients: [])
 
@@ -23,25 +27,14 @@ defmodule Pleroma.Web.MastodonAPI.ConversationView do
       end
 
     activity = Activity.get_by_id_with_object(last_activity_id)
-
-    last_status = StatusView.render("show.json", %{activity: activity, for: user})
-
     # Conversations return all users except the current user.
-    users =
-      participation.recipients
-      |> Enum.reject(&(&1.id == user.id))
-
-    accounts =
-      AccountView.render("accounts.json", %{
-        users: users,
-        as: :user
-      })
+    users = Enum.reject(participation.recipients, &(&1.id == user.id))
 
     %{
       id: participation.id |> to_string(),
-      accounts: accounts,
+      accounts: render(AccountView, "accounts.json", users: users, as: :user),
       unread: !participation.read,
-      last_status: last_status
+      last_status: render(StatusView, "show.json", activity: activity, for: user)
     }
   end
 end

lib/pleroma/web/router.ex

@@ -344,8 +344,8 @@ defmodule Pleroma.Web.Router do
 
       get("/suggestions", MastodonAPIController, :suggestions)
 
-      get("/conversations", MastodonAPIController, :conversations)
-      post("/conversations/:id/read", MastodonAPIController, :conversation_read)
+      get("/conversations", ConversationController, :index)
+      post("/conversations/:id/read", ConversationController, :read)
 
       get("/endorsements", MastodonAPIController, :empty_array)
     end

test/web/mastodon_api/controllers/conversation_controller_test.exs

@@ -0,0 +1,75 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.ConversationControllerTest do
+  use Pleroma.Web.ConnCase
+
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  test "Conversations", %{conn: conn} do
+    user_one = insert(:user)
+    user_two = insert(:user)
+    user_three = insert(:user)
+
+    {:ok, user_two} = User.follow(user_two, user_one)
+
+    {:ok, direct} =
+      CommonAPI.post(user_one, %{
+        "status" => "Hi @#{user_two.nickname}, @#{user_three.nickname}!",
+        "visibility" => "direct"
+      })
+
+    {:ok, _follower_only} =
+      CommonAPI.post(user_one, %{
+        "status" => "Hi @#{user_two.nickname}!",
+        "visibility" => "private"
+      })
+
+    res_conn =
+      conn
+      |> assign(:user, user_one)
+      |> get("/api/v1/conversations")
+
+    assert response = json_response(res_conn, 200)
+
+    assert [
+             %{
+               "id" => res_id,
+               "accounts" => res_accounts,
+               "last_status" => res_last_status,
+               "unread" => unread
+             }
+           ] = response
+
+    account_ids = Enum.map(res_accounts, & &1["id"])
+    assert length(res_accounts) == 2
+    assert user_two.id in account_ids
+    assert user_three.id in account_ids
+    assert is_binary(res_id)
+    assert unread == true
+    assert res_last_status["id"] == direct.id
+
+    # Apparently undocumented API endpoint
+    res_conn =
+      conn
+      |> assign(:user, user_one)
+      |> post("/api/v1/conversations/#{res_id}/read")
+
+    assert response = json_response(res_conn, 200)
+    assert length(response["accounts"]) == 2
+    assert response["last_status"]["id"] == direct.id
+    assert response["unread"] == false
+
+    # (vanilla) Mastodon frontend behaviour
+    res_conn =
+      conn
+      |> assign(:user, user_one)
+      |> get("/api/v1/statuses/#{res_last_status["id"]}/context")
+
+    assert %{"ancestors" => [], "descendants" => []} == json_response(res_conn, 200)
+  end
+end

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -33,69 +33,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
   clear_config([:instance, :public])
   clear_config([:rich_media, :enabled])
 
-  test "Conversations", %{conn: conn} do
-    user_one = insert(:user)
-    user_two = insert(:user)
-    user_three = insert(:user)
-
-    {:ok, user_two} = User.follow(user_two, user_one)
-
-    {:ok, direct} =
-      CommonAPI.post(user_one, %{
-        "status" => "Hi @#{user_two.nickname}, @#{user_three.nickname}!",
-        "visibility" => "direct"
-      })
-
-    {:ok, _follower_only} =
-      CommonAPI.post(user_one, %{
-        "status" => "Hi @#{user_two.nickname}!",
-        "visibility" => "private"
-      })
-
-    res_conn =
-      conn
-      |> assign(:user, user_one)
-      |> get("/api/v1/conversations")
-
-    assert response = json_response(res_conn, 200)
-
-    assert [
-             %{
-               "id" => res_id,
-               "accounts" => res_accounts,
-               "last_status" => res_last_status,
-               "unread" => unread
-             }
-           ] = response
-
-    account_ids = Enum.map(res_accounts, & &1["id"])
-    assert length(res_accounts) == 2
-    assert user_two.id in account_ids
-    assert user_three.id in account_ids
-    assert is_binary(res_id)
-    assert unread == true
-    assert res_last_status["id"] == direct.id
-
-    # Apparently undocumented API endpoint
-    res_conn =
-      conn
-      |> assign(:user, user_one)
-      |> post("/api/v1/conversations/#{res_id}/read")
-
-    assert response = json_response(res_conn, 200)
-    assert length(response["accounts"]) == 2
-    assert response["last_status"]["id"] == direct.id
-    assert response["unread"] == false
-
-    # (vanilla) Mastodon frontend behaviour
-    res_conn =
-      conn
-      |> assign(:user, user_one)
-      |> get("/api/v1/statuses/#{res_last_status["id"]}/context")
-
-    assert %{"ancestors" => [], "descendants" => []} == json_response(res_conn, 200)
-  end
-
   test "verify_credentials", %{conn: conn} do
     user = insert(:user)