FEATURE: Extend topic update API scope to allow status updates (#19654)

Allow an API key created with topic:update API scope to make updates to
topic status. This change also introduces an optional category_id scope
param.

app/controllers/topics_controller.rb

@@ -479,7 +479,12 @@ class TopicsController < ApplicationController
     enabled = params[:enabled] == "true"
 
     check_for_status_presence(:status, status)
-    @topic = Topic.find_by(id: topic_id)
+    @topic =
+      if params[:category_id]
+        Topic.find_by(id: topic_id, category_id: params[:category_id].to_i)
+      else
+        Topic.find_by(id: topic_id)
+      end
 
     case status
     when "closed"

app/models/api_key_scope.rb

@@ -28,8 +28,8 @@ class ApiKeyScope < ActiveRecord::Base
             params: %i[topic_id],
           },
           update: {
-            actions: %w[topics#update],
-            params: %i[topic_id],
+            actions: %w[topics#update topics#status],
+            params: %i[topic_id category_id],
           },
           read: {
             actions: %w[topics#show topics#feed topics#posts],

config/locales/client.en.yml

@@ -4670,7 +4670,7 @@ en:
             topics:
               read: Read a topic or a specific post in it. RSS is also supported.
               write: Create a new topic or post to an existing one.
-              update: Update a topic. Change the title, category, tags, etc.
+              update: Update a topic. Change the title, category, tags, status, archetype, featured_link etc.
               read_lists: Read topic lists like top, new, latest, etc. RSS is also supported.
             posts:
               edit: Edit any post or a specific one.

lib/route_matcher.rb

@@ -59,7 +59,7 @@ class RouteMatcher
 
     params.all? do |param|
       param_alias = aliases&.[](param)
-      allowed_values = [allowed_param_values[param.to_s]].flatten
+      allowed_values = [allowed_param_values.fetch(param.to_s, [])].flatten
 
       value = requested_params[param.to_s]
       alias_value = requested_params[param_alias.to_s]

spec/requests/topics_controller_spec.rb

@@ -1037,6 +1037,99 @@ RSpec.describe TopicsController do
         expect(topic.posts.last.action_code).to eq("visible.enabled")
       end
     end
+
+    context "with API key" do
+      let(:api_key) { Fabricate(:api_key, user: moderator, created_by: moderator) }
+
+      context "when key scope has restricted params" do
+        before do
+          ApiKeyScope.create(
+            resource: "topics",
+            action: "update",
+            api_key_id: api_key.id,
+            allowed_parameters: {
+              "category_id" => ["#{topic.category_id}"],
+            },
+          )
+        end
+
+        it "fails to update topic status in an unpermitted category" do
+          put "/t/#{topic.id}/status.json",
+              params: {
+                status: "closed",
+                enabled: "true",
+                category_id: tracked_category.id,
+              },
+              headers: {
+                "HTTP_API_KEY" => api_key.key,
+                "HTTP_API_USERNAME" => api_key.user.username,
+              }
+
+          expect(response.status).to eq(403)
+          expect(response.body).to include(I18n.t("invalid_access"))
+          expect(topic.reload.closed).to eq(false)
+        end
+
+        it "fails without a category_id" do
+          put "/t/#{topic.id}/status.json",
+              params: {
+                status: "closed",
+                enabled: "true",
+              },
+              headers: {
+                "HTTP_API_KEY" => api_key.key,
+                "HTTP_API_USERNAME" => api_key.user.username,
+              }
+
+          expect(response.status).to eq(403)
+          expect(response.body).to include(I18n.t("invalid_access"))
+          expect(topic.reload.closed).to eq(false)
+        end
+
+        it "updates topic status in a permitted category" do
+          put "/t/#{topic.id}/status.json",
+              params: {
+                status: "closed",
+                enabled: "true",
+                category_id: topic.category_id,
+              },
+              headers: {
+                "HTTP_API_KEY" => api_key.key,
+                "HTTP_API_USERNAME" => api_key.user.username,
+              }
+
+          expect(response.status).to eq(200)
+          expect(topic.reload.closed).to eq(true)
+        end
+      end
+
+      context "when key scope has no param restrictions" do
+        before do
+          ApiKeyScope.create(
+            resource: "topics",
+            action: "update",
+            api_key_id: api_key.id,
+            allowed_parameters: {
+            },
+          )
+        end
+
+        it "updates topic status" do
+          put "/t/#{topic.id}/status.json",
+              params: {
+                status: "closed",
+                enabled: "true",
+              },
+              headers: {
+                "HTTP_API_KEY" => api_key.key,
+                "HTTP_API_USERNAME" => api_key.user.username,
+              }
+
+          expect(response.status).to eq(200)
+          expect(topic.reload.closed).to eq(true)
+        end
+      end
+    end
   end
 
   describe "#destroy_timings" do