Add show course endpoint (#23)

apps/web/lib/web/controllers/courses/courses_controller.ex

@@ -9,8 +9,8 @@ defmodule Web.Courses.CoursesController do
   alias GoEscuelaLms.Core.Schema.{Course, User}
 
   plug :is_organizer_authorized when action in [:create, :update]
-  plug :load_course when action in [:update]
-  plug :check_enrollment when action in [:update]
+  plug :load_course when action in [:show, :update]
+  plug :check_enrollment when action in [:show, :update]
 
   @create_params %{
     name: [type: :string, required: true],
@@ -24,6 +24,10 @@ defmodule Web.Courses.CoursesController do
     enabled: :boolean
   }
 
+  def show(conn, _params) do
+    render(conn, :show, %{data: conn.assigns.course})
+  end
+
   def create(conn, params) do
     with {:ok, valid_params} <- Tarams.cast(params, @create_params),
          {:ok, course} <- create_course(valid_params) do

apps/web/lib/web/controllers/courses/courses_json.ex

@@ -2,9 +2,15 @@ defmodule Web.Courses.CoursesJSON do
   @doc """
   Renders users
   """
-
   alias GoEscuelaLms.Core.Schema.Course
 
+  def show(%{course: course}) do
+    %{
+      data:
+        data(course) |> Map.merge(%{topics: for(topic <- course.topics, do: topic_data(topic))})
+    }
+  end
+
   def create(%{course: course}) do
     %{
       data: data(course)
@@ -29,4 +35,11 @@ defmodule Web.Courses.CoursesJSON do
       description: course.description
     }
   end
+
+  defp topic_data(topic) do
+    %{
+      id: topic.uuid,
+      name: topic.name
+    }
+  end
 end

apps/web/lib/web/router.ex

@@ -31,7 +31,7 @@ defmodule Web.Router do
       end
     end
 
-    resources "/courses", Courses.CoursesController, only: [:create, :update, :index] do
+    resources "/courses", Courses.CoursesController, only: [:create, :update, :index, :show] do
       resources "/topics", Topics.TopicsController, only: [:create, :update, :delete]
     end