Add JSON response format to board publication toggle (#2663)

app/controllers/boards/publications_controller.rb

@@ -5,10 +5,20 @@ class Boards::PublicationsController < ApplicationController
 
   def create
     @board.publish
+
+    respond_to do |format|
+      format.turbo_stream
+      format.json { render partial: "boards/board", locals: { board: @board }, status: :created }
+    end
   end
 
   def destroy
     @board.unpublish
     @board.reload
+
+    respond_to do |format|
+      format.turbo_stream
+      format.json { head :no_content }
+    end
   end
 end

app/views/boards/_board.json.jbuilder

@@ -4,4 +4,6 @@ json.cache! board do
   json.url board_url(board)
 
   json.creator board.creator, partial: "users/user", as: :user
+
+  json.public_url published_board_url(board) if board.published?
 end

docs/API.md

@@ -469,10 +469,13 @@ __Response:__
     "email_address": "david@example.com",
     "created_at": "2025-12-05T19:36:35.401Z",
     "url": "http://fizzy.localhost:3006/897362094/users/03f5v9zjw7pz8717a4no1h8a7"
-  }
+  },
+  "public_url": "http://fizzy.localhost:3006/897362094/public/boards/aB3dEfGhIjKlMnOp"
 }
 ```
 
+The `public_url` field is only present when the board is published.
+
 ### `POST /:account_slug/boards`
 
 Creates a new Board in the account.
@@ -544,6 +547,50 @@ __Response:__
 
 Returns `204 No Content` on success.
 
+## Board Publications
+
+Publishing a board makes it publicly accessible via a shareable link, without requiring authentication. Only board administrators can publish or unpublish a board.
+
+### `POST /:account_slug/boards/:board_id/publication`
+
+Publishes a board, generating a shareable public link.
+
+__Response:__
+
+```
+HTTP/1.1 201 Created
+```
+
+```json
+{
+  "id": "03f5v9zkft4hj9qq0lsn9ohcm",
+  "name": "Fizzy",
+  "all_access": true,
+  "created_at": "2025-12-05T19:36:35.534Z",
+  "url": "http://fizzy.localhost:3006/897362094/boards/03f5v9zkft4hj9qq0lsn9ohcm",
+  "creator": {
+    "id": "03f5v9zjw7pz8717a4no1h8a7",
+    "name": "David Heinemeier Hansson",
+    "role": "owner",
+    "active": true,
+    "email_address": "david@example.com",
+    "created_at": "2025-12-05T19:36:35.401Z",
+    "url": "http://fizzy.localhost:3006/897362094/users/03f5v9zjw7pz8717a4no1h8a7"
+  },
+  "public_url": "http://fizzy.localhost:3006/897362094/public/boards/aB3dEfGhIjKlMnOp"
+}
+```
+
+If the board is already published, the existing publication is returned.
+
+### `DELETE /:account_slug/boards/:board_id/publication`
+
+Unpublishes a board, removing public access.
+
+__Response:__
+
+Returns `204 No Content` on success.
+
 ## Cards
 
 Cards are tasks or items of work on a board. They can be organized into columns, tagged, assigned to users, and have comments.

test/controllers/boards/publications_controller_test.rb

@@ -27,6 +27,31 @@ class Boards::PublicationsControllerTest < ActionDispatch::IntegrationTest
     assert_turbo_stream action: :replace, target: dom_id(@board, :publication)
   end
 
+  test "publish a board via JSON" do
+    assert_not @board.published?
+
+    assert_changes -> { @board.reload.published? }, from: false, to: true do
+      post board_publication_path(@board), as: :json
+    end
+
+    assert_response :created
+    body = @response.parsed_body
+    @board.reload
+    assert_equal @board.name, body["name"]
+    assert_equal published_board_url(@board), body["public_url"]
+  end
+
+  test "unpublish a board via JSON" do
+    @board.publish
+    assert @board.published?
+
+    assert_changes -> { @board.reload.published? }, from: true, to: false do
+      delete board_publication_path(@board), as: :json
+    end
+
+    assert_response :no_content
+  end
+
   test "publish requires board admin permission" do
     logout_and_sign_in_as :jz
 

test/controllers/boards_controller_test.rb

@@ -250,6 +250,24 @@ class BoardsControllerTest < ActionDispatch::IntegrationTest
     assert_equal boards(:writebook).name, @response.parsed_body["name"]
   end
 
+  test "show as JSON includes public_url when published" do
+    board = boards(:writebook)
+    board.publish
+
+    get board_path(board), as: :json
+    assert_response :success
+    assert_equal published_board_url(board), @response.parsed_body["public_url"]
+  end
+
+  test "show as JSON excludes public_url when not published" do
+    board = boards(:writebook)
+    assert_not board.published?
+
+    get board_path(board), as: :json
+    assert_response :success
+    assert_nil @response.parsed_body["public_url"]
+  end
+
   test "create as JSON" do
     assert_difference -> { Board.count }, +1 do
       post boards_path, params: { board: { name: "My new board" } }, as: :json