ChatController: Add mark_as_read

lib/pleroma/chat.ex

@@ -60,4 +60,10 @@ defmodule Pleroma.Chat do
       conflict_target: [:user_id, :recipient]
     )
   end
+
+  def mark_as_read(chat) do
+    chat
+    |> change(%{unread: 0})
+    |> Repo.update()
+  end
 end

lib/pleroma/web/api_spec/operations/chat_operation.ex

@@ -16,6 +16,28 @@ defmodule Pleroma.Web.ApiSpec.ChatOperation do
     apply(__MODULE__, operation, [])
   end
 
+  def mark_as_read_operation do
+    %Operation{
+      tags: ["chat"],
+      summary: "Mark all messages in the chat as read",
+      operationId: "ChatController.mark_as_read",
+      parameters: [Operation.parameter(:id, :path, :string, "The ID of the Chat")],
+      responses: %{
+        200 =>
+          Operation.response(
+            "The updated chat",
+            "application/json",
+            Chat
+          )
+      },
+      security: [
+        %{
+          "oAuth" => ["write"]
+        }
+      ]
+    }
+  end
+
   def create_operation do
     %Operation{
       tags: ["chat"],

lib/pleroma/web/pleroma_api/controllers/chat_controller.ex

@@ -23,7 +23,7 @@ defmodule Pleroma.Web.PleromaAPI.ChatController do
 
   plug(
     OAuthScopesPlug,
-    %{scopes: ["write:statuses"]} when action in [:post_chat_message, :create]
+    %{scopes: ["write:statuses"]} when action in [:post_chat_message, :create, :mark_as_read]
   )
 
   plug(
@@ -51,6 +51,15 @@ defmodule Pleroma.Web.PleromaAPI.ChatController do
     end
   end
 
+  def mark_as_read(%{assigns: %{user: %{id: user_id}}} = conn, %{id: id}) do
+    with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id),
+         {:ok, chat} <- Chat.mark_as_read(chat) do
+      conn
+      |> put_view(ChatView)
+      |> render("show.json", chat: chat)
+    end
+  end
+
   def messages(%{assigns: %{user: %{id: user_id} = user}} = conn, %{id: id} = params) do
     with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id) do
       messages =

lib/pleroma/web/router.ex

@@ -293,6 +293,7 @@ defmodule Pleroma.Web.Router do
       get("/chats", ChatController, :index)
       get("/chats/:id/messages", ChatController, :messages)
       post("/chats/:id/messages", ChatController, :post_chat_message)
+      post("/chats/:id/read", ChatController, :mark_as_read)
     end
 
     scope [] do

test/web/pleroma_api/controllers/chat_controller_test.exs

@@ -9,6 +9,29 @@ defmodule Pleroma.Web.PleromaAPI.ChatControllerTest do
 
   import Pleroma.Factory
 
+  describe "POST /api/v1/pleroma/chats/:id/read" do
+    setup do: oauth_access(["write:statuses"])
+
+    test "it marks all messages in a chat as read", %{conn: conn, user: user} do
+      other_user = insert(:user)
+
+      {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
+
+      assert chat.unread == 1
+
+      result =
+        conn
+        |> post("/api/v1/pleroma/chats/#{chat.id}/read")
+        |> json_response_and_validate_schema(200)
+
+      assert result["unread"] == 0
+
+      {:ok, chat} = Chat.get_or_create(user.id, other_user.ap_id)
+
+      assert chat.unread == 0
+    end
+  end
+
   describe "POST /api/v1/pleroma/chats/:id/messages" do
     setup do: oauth_access(["write:statuses"])