Add OpenAPI spec for FollowRequestController

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

+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.FollowRequestOperation do
+  alias OpenApiSpex.Operation
+  alias OpenApiSpex.Schema
+  alias Pleroma.Web.ApiSpec.Schemas.Account
+  alias Pleroma.Web.ApiSpec.Schemas.AccountRelationship
+
+  def open_api_operation(action) do
+    operation = String.to_existing_atom("#{action}_operation")
+    apply(__MODULE__, operation, [])
+  end
+
+  def index_operation do
+    %Operation{
+      tags: ["Follow Requests"],
+      summary: "Pending Follows",
+      security: [%{"oAuth" => ["read:follows", "follow"]}],
+      operationId: "FollowRequestController.index",
+      responses: %{
+        200 =>
+          Operation.response("Array of Account", "application/json", %Schema{
+            type: :array,
+            items: Account,
+            example: [Account.schema().example]
+          })
+      }
+    }
+  end
+
+  def authorize_operation do
+    %Operation{
+      tags: ["Follow Requests"],
+      summary: "Accept Follow",
+      operationId: "FollowRequestController.authorize",
+      parameters: [id_param()],
+      security: [%{"oAuth" => ["follow", "write:follows"]}],
+      responses: %{
+        200 => Operation.response("Relationship", "application/json", AccountRelationship)
+      }
+    }
+  end
+
+  def reject_operation do
+    %Operation{
+      tags: ["Follow Requests"],
+      summary: "Reject Follow",
+      operationId: "FollowRequestController.reject",
+      parameters: [id_param()],
+      security: [%{"oAuth" => ["follow", "write:follows"]}],
+      responses: %{
+        200 => Operation.response("Relationship", "application/json", AccountRelationship)
+      }
+    }
+  end
+
+  defp id_param do
+    Operation.parameter(:id, :path, :string, "Conversation ID",
+      example: "123",
+      required: true
+    )
+  end
+end

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

@@ -10,6 +10,7 @@ defmodule Pleroma.Web.MastodonAPI.FollowRequestController do
   alias Pleroma.Web.CommonAPI
 
   plug(:put_view, Pleroma.Web.MastodonAPI.AccountView)
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
   plug(:assign_follower when action != :index)
 
   action_fallback(:errors)
@@ -21,6 +22,8 @@ defmodule Pleroma.Web.MastodonAPI.FollowRequestController do
     %{scopes: ["follow", "write:follows"]} when action != :index
   )
 
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.FollowRequestOperation
+
   @doc "GET /api/v1/follow_requests"
   def index(%{assigns: %{user: followed}} = conn, _params) do
     follow_requests = User.get_follow_requests(followed)
@@ -42,7 +45,7 @@ def reject(%{assigns: %{user: followed, follower: follower}} = conn, _params) do
     end
   end
 
-  defp assign_follower(%{params: %{"id" => id}} = conn, _) do
+  defp assign_follower(%{params: %{id: id}} = conn, _) do
     case User.get_cached_by_id(id) do
       %User{} = follower -> assign(conn, :follower, follower)
       nil -> Pleroma.Web.MastodonAPI.FallbackController.call(conn, {:error, :not_found}) |> halt()

test/web/mastodon_api/controllers/follow_request_controller_test.exs

@@ -27,7 +27,7 @@ test "/api/v1/follow_requests works", %{user: user, conn: conn} do
 
       conn = get(conn, "/api/v1/follow_requests")
 
-      assert [relationship] = json_response(conn, 200)
+      assert [relationship] = json_response_and_validate_schema(conn, 200)
       assert to_string(other_user.id) == relationship["id"]
     end
 
@@ -44,7 +44,7 @@ test "/api/v1/follow_requests/:id/authorize works", %{user: user, conn: conn} do
 
       conn = post(conn, "/api/v1/follow_requests/#{other_user.id}/authorize")
 
-      assert relationship = json_response(conn, 200)
+      assert relationship = json_response_and_validate_schema(conn, 200)
       assert to_string(other_user.id) == relationship["id"]
 
       user = User.get_cached_by_id(user.id)
@@ -62,7 +62,7 @@ test "/api/v1/follow_requests/:id/reject works", %{user: user, conn: conn} do
 
       conn = post(conn, "/api/v1/follow_requests/#{other_user.id}/reject")
 
-      assert relationship = json_response(conn, 200)
+      assert relationship = json_response_and_validate_schema(conn, 200)
       assert to_string(other_user.id) == relationship["id"]
 
       user = User.get_cached_by_id(user.id)