Add ability to start lecture and redirect to recorded content.

app/assets/stylesheets/application.tailwind.css

@@ -2,6 +2,10 @@
 @tailwind components;
 @tailwind utilities;
 
+.action-button {
+    @apply rounded bg-indigo-600 px-2 py-1 font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600;
+}
+
 /*
 
 @layer components {

app/controllers/lecture_controller.rb

@@ -0,0 +1,14 @@
+class LectureController < ApplicationController
+  def start
+    lecture = Lecture.find(params[:id])
+
+    Toggl::start_time_entry(
+      description: lecture.title,
+      project_id: lecture.course.toggl_project,
+    )
+
+    if lecture.recording.present?
+      redirect_to lecture.recording.recording_url, allow_other_host: true
+    end
+  end
+end

app/helpers/lecture_helper.rb

@@ -0,0 +1,2 @@
+module LectureHelper
+end

app/lib/toggl.rb

@@ -10,4 +10,17 @@ module Toggl
       headers: { 'Content-Type' => 'application/json', 'Accept' => 'application/json' }
     ).body)
   end
+
+  def self.start_time_entry(description:, project_id:)
+    HTTParty.post(
+      "http://localhost:3005/start_time_entry",
+      body: {
+        "created_with": "Attendance Tracker",
+        "description": description,
+        "duration": -1,
+        "project_id": project_id,
+      }.to_json,
+      headers: { 'Content-Type' => 'application/json', 'Accept' => 'application/json' }
+    )
+  end
 end

app/models/course.rb

@@ -61,6 +61,7 @@ class Course < ApplicationRecord
     end
   end
 
+  # What should this do for existing attendances?
   def renumber_lectures!
     lectures.group_by(&:kind).each do |kind, lectures|
       lectures.sort_by(&:start_time).each_with_index do |lecture, index|

app/models/lecture.rb

@@ -5,7 +5,7 @@ class Lecture < ApplicationRecord
 
   enum :kind, [
     :lecture,
-    :problem_class,
+    :problems_class,
   ], default: :lecture
 
   def week_number

app/views/attendance_tracker/index.html.erb

@@ -66,11 +66,14 @@
 
                       <td class="whitespace-nowrap px-3 py-4 text-sm text-gray-500">
                         <% if lecture.attendance.nil? %>
-                          <button type="button" class="rounded bg-indigo-600 px-2 py-1 font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600">
-                            Start
-                          </button>
+                          <%= button_to "Start",
+                                        lectures_start_path(id: lecture.id),
+                                        class: 'action-button'
+                          %>
                         <% else %>
-                          <%= link_to "Open recording", lecture.recording&.recording_url %>
+                          <% if lecture.recording %>
+                            <%= link_to "Open recording", lecture.recording&.recording_url %>
+                          <% end %>
                         <% end %>
                       </td>
                     <% end %>

app/views/lecture/start.html.erb

@@ -0,0 +1,4 @@
+<div>
+  <h1 class="font-bold text-4xl">Lecture#start</h1>
+  <p>Find me in app/views/lecture/start.html.erb</p>
+</div>