commit 70257cdee00dc8d8c81001e89b262545dc5e3940
Author: Jens Kraemer <jk@jkraemer.net>
Date:   Wed Apr 22 18:03:56 2020 +0800

    initial commit

diff --git a/app/controllers/stopwatch_timers_controller.rb b/app/controllers/stopwatch_timers_controller.rb
new file mode 100644
index 0000000..104e439
--- /dev/null
+++ b/app/controllers/stopwatch_timers_controller.rb
@@ -0,0 +1,51 @@
+class StopwatchTimersController < ApplicationController
+  helper :timelog
+
+  before_action :require_login
+  before_action :find_optional_data, only: %i(new create)
+
+  def new
+    @time_entry = new_time_entry
+    respond_to :js
+  end
+
+  def create
+    @time_entry = new_time_entry
+    @time_entry.safe_attributes = params[:time_entry]
+    @result = Stopwatch::StartTimer.new(@time_entry).call
+    unless @result.success?
+      if @result.error == :unauthorized
+        render_403
+      else
+        render_error status: 422, message: "could not start timer: #{@result.error}"
+      end
+    end
+  end
+
+  def edit
+
+  end
+
+  def update
+
+  end
+
+  private
+
+  def new_time_entry
+    TimeEntry.new(project: @project, issue: @issue,
+                  user: User.current, spent_on: User.current.today)
+  end
+
+  def find_optional_data
+    if params[:issue_id].present?
+      @issue = Issue.find(params[:issue_id])
+      @project = @issue.project
+    elsif params[:project_id].present?
+      @project = Project.find(params[:project_id])
+    end
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
+end
diff --git a/app/views/stopwatch_timers/_edit.html.erb b/app/views/stopwatch_timers/_edit.html.erb
new file mode 100644
index 0000000..31638b0
--- /dev/null
+++ b/app/views/stopwatch_timers/_edit.html.erb
@@ -0,0 +1,11 @@
+<h3 class="title"><%= l(:label_spent_time) %></h3>
+
+<%= labelled_form_for @time_entry, url: stopwatch_path, remote: true do |f| %>
+  <% @time_entry.hours ||= 0 %>
+  <%= render partial: 'timelog/form', locals: { f: f } %>
+
+  <p class="buttons">
+    <%= submit_tag l(:button_create) %>
+    <%= submit_tag l(:button_cancel), name: nil, onclick: "hideModal(this);", type: 'button' %>
+  </p>
+<% end %>
diff --git a/app/views/stopwatch_timers/_new.html.erb b/app/views/stopwatch_timers/_new.html.erb
new file mode 100644
index 0000000..4888886
--- /dev/null
+++ b/app/views/stopwatch_timers/_new.html.erb
@@ -0,0 +1,12 @@
+<h3 class="title"><%= l(:button_log_time) %></h3>
+
+<%= labelled_form_for @time_entry, url: stopwatch_timer_path, method: :post, remote: true do |f| %>
+  <% @time_entry.hours ||= 0 %>
+  <%= render partial: 'timelog/form', locals: { f: f } %>
+
+  <p class="buttons">
+    <%= submit_tag l(:button_create) %>
+    <%= submit_tag l(:button_cancel), name: nil, onclick: "hideModal(this);", type: 'button' %>
+  </p>
+<% end %>
+
diff --git a/app/views/stopwatch_timers/new.js.erb b/app/views/stopwatch_timers/new.js.erb
new file mode 100644
index 0000000..1ffb4da
--- /dev/null
+++ b/app/views/stopwatch_timers/new.js.erb
@@ -0,0 +1,2 @@
+$('#ajax-modal').html('<%= j render partial: 'stopwatch_timers/new' %>');
+showModal('ajax-modal', '600px');
diff --git a/config/locales/en.yml b/config/locales/en.yml
new file mode 100644
index 0000000..63f1c3e
--- /dev/null
+++ b/config/locales/en.yml
@@ -0,0 +1 @@
+en:
diff --git a/config/routes.rb b/config/routes.rb
new file mode 100644
index 0000000..4b3347f
--- /dev/null
+++ b/config/routes.rb
@@ -0,0 +1,2 @@
+resource :stopwatch_timer, only: %i(new create edit update)
+
diff --git a/init.rb b/init.rb
new file mode 100644
index 0000000..3dc3b7a
--- /dev/null
+++ b/init.rb
@@ -0,0 +1,25 @@
+require 'redmine'
+require_dependency 'stopwatch'
+require 'stopwatch/hooks'
+
+Redmine::Plugin.register :stopwatch do
+  name 'Redmine Stopwatch Plugin'
+  author 'Jens Krämer'
+  author_url 'https://jkraemer.net/'
+  description 'Adds start/stop timer functionality'
+  version '0.1.0'
+
+  requires_redmine version_or_higher: '3.4.0'
+
+  menu :account_menu, :stopwatch,
+    :new_stopwatch_timer_path,
+    caption: :button_log_time,
+    html: { method: :get, id: 'stopwatch-toggle', 'data-remote': true },
+    before: :my_account,
+    if: ->(*_){ User.current.logged? }
+end
+
+Rails.configuration.to_prepare do
+  Stopwatch::UserPatch.apply
+end
+
diff --git a/lib/stopwatch.rb b/lib/stopwatch.rb
new file mode 100644
index 0000000..9e64f03
--- /dev/null
+++ b/lib/stopwatch.rb
@@ -0,0 +1,3 @@
+module Stopwatch
+
+end
diff --git a/lib/stopwatch/hooks.rb b/lib/stopwatch/hooks.rb
new file mode 100644
index 0000000..e69de29
diff --git a/lib/stopwatch/start_timer.rb b/lib/stopwatch/start_timer.rb
new file mode 100644
index 0000000..621bb55
--- /dev/null
+++ b/lib/stopwatch/start_timer.rb
@@ -0,0 +1,44 @@
+module Stopwatch
+  class StartTimer
+
+    Result = ImmutableStruct.new(:success?, :error)
+
+    def initialize(time_entry, user: User.current)
+      @time_entry = time_entry
+      @user = user
+    end
+
+    def call
+      if @time_entry.project && @user.allowed_to?(:log_time, @time_entry.project)
+        return Result.new(error: :unauthorized)
+      end
+
+      stop_existing_timer
+
+      @time_entry.hours = 0 if @time_entry.hours.nil?
+
+      if @time_entry.save
+        start_new_timer
+        return Result.new(success: true)
+      else
+        Rails.logger.error("could not save time entry: \n#{@time_entry.errors.inspect}")
+        return Result.new(error: :invalid)
+      end
+    end
+
+    private
+
+    def start_new_timer
+      timer = Timer.new @user
+      timer.start @time_entry
+    end
+
+    def stop_existing_timer
+      timer = Timer.new @user
+      if timer.running?
+        timer.stop
+      end
+    end
+
+  end
+end
diff --git a/lib/stopwatch/timer.rb b/lib/stopwatch/timer.rb
new file mode 100644
index 0000000..e33f61f
--- /dev/null
+++ b/lib/stopwatch/timer.rb
@@ -0,0 +1,51 @@
+require 'json'
+
+module Stopwatch
+  class Timer
+    attr_reader :user
+
+    def initialize(user)
+      @user = user
+    end
+
+    def running?
+      data[:started_at].present?
+    end
+
+    def start(time_entry = nil)
+      fail "timer is already running" if running?
+      data[:started_at] = Time.now.to_i
+      data[:time_entry_id] = time_entry.id if time_entry
+      save
+    end
+
+    def stop
+      if hours = runtime_hours and
+          time_entry = TimeEntry.find_by_id(data[:time_entry_id])
+
+        time_entry.update_column :hours, time_entry.hours + hours
+      end
+      data[:started_at] = nil
+      save
+    end
+
+    def save
+      user.pref[:current_timer] = data.to_json
+      user.pref.save
+    end
+
+    private
+
+    def data
+      @data ||= (t = user.pref[:current_timer]) ? JSON.parse(t).symbolize_keys : {}
+    end
+
+    def runtime_hours
+      if start = data[:started_at]
+        runtime = Time.now.to_i - start
+        return runtime.to_f / 1.hour
+      end
+    end
+
+  end
+end
diff --git a/lib/stopwatch/user_patch.rb b/lib/stopwatch/user_patch.rb
new file mode 100644
index 0000000..07cb1b1
--- /dev/null
+++ b/lib/stopwatch/user_patch.rb
@@ -0,0 +1,11 @@
+module Stopwatch
+  module UserPatch
+    def self.apply
+      User.prepend self unless User < self
+    end
+
+    def timer_running?
+      Stopwatch::Timer.new(self).running?
+    end
+  end
+end
diff --git a/test/test_helper.rb b/test/test_helper.rb
new file mode 100644
index 0000000..6998204
--- /dev/null
+++ b/test/test_helper.rb
@@ -0,0 +1,5 @@
+require File.expand_path(File.dirname(__FILE__) + '/../../../test/test_helper')
+
+class ActiveSupport::TestCase
+
+end
diff --git a/test/unit/start_timer_test.rb b/test/unit/start_timer_test.rb
new file mode 100644
index 0000000..0b09f18
--- /dev/null
+++ b/test/unit/start_timer_test.rb
@@ -0,0 +1,40 @@
+require_relative '../test_helper'
+
+class StartTimerTest < ActiveSupport::TestCase
+  fixtures :users, :user_preferences, :time_entries, :projects,
+    :roles, :member_roles, :members, :enumerations
+
+  setup do
+    @user = User.find 1
+    @time_entry = TimeEntry.last
+  end
+
+  test "should start timer" do
+    refute User.find(@user.id).timer_running?
+    assert r = Stopwatch::StartTimer.new(@time_entry, user: @user).call
+    assert r.success?, r.inspect
+    assert User.find(@user.id).timer_running?
+  end
+
+  test "should stop and save existing timer" do
+    hours = @time_entry.hours
+    r = Stopwatch::StartTimer.new(@time_entry, user: @user).call
+    assert r.success?
+    t = Stopwatch::Timer.new(@user)
+    data = t.send(:data)
+    data[:started_at] = 1.hour.ago.to_i
+    t.save
+
+    @time_entry.reload
+    assert_equal hours, @time_entry.hours
+    another = TimeEntry.new(@time_entry.attributes)
+    another.user = @user
+    r = Stopwatch::StartTimer.new(another, user: @user).call
+    assert r.success?
+    @time_entry.reload
+    assert_equal hours+1, @time_entry.hours
+  end
+
+end
+
+
diff --git a/test/unit/timer_test.rb b/test/unit/timer_test.rb
new file mode 100644
index 0000000..f35a667
--- /dev/null
+++ b/test/unit/timer_test.rb
@@ -0,0 +1,52 @@
+require_relative '../test_helper'
+
+class TimerTest < ActiveSupport::TestCase
+  fixtures :users, :user_preferences, :time_entries
+
+  setup do
+    @user = User.find 1
+    @timer = Stopwatch::Timer.new @user
+    @data = @timer.send :data
+    @time_entry = TimeEntry.last
+  end
+
+  test "should know wether its running" do
+    refute @timer.running?
+    @data[:started_at] = 5.minutes.ago
+    assert @timer.running?
+  end
+
+  test "should start timer" do
+    assert_nil @data[:started_at]
+    @timer.start @time_entry
+    assert @data[:started_at].present?
+    assert_equal @time_entry.id, @data[:time_entry_id]
+  end
+
+  test "should stop timer and update time entry" do
+    hours = @time_entry.hours
+    @timer.start @time_entry
+    @data[:started_at] = 1.hour.ago.to_i
+    @timer.stop
+
+    @time_entry.reload
+    assert_equal hours + 1, @time_entry.hours
+  end
+
+  test "should save and restore" do
+    hours = @time_entry.hours
+    @timer.start @time_entry
+    @data[:started_at] = 1.hour.ago.to_i
+    @timer.save
+
+    timer = Stopwatch::Timer.new User.find(@user.id)
+    assert timer.running?
+    timer.stop
+
+    @time_entry.reload
+    assert_equal hours + 1, @time_entry.hours
+  end
+
+
+end
+
diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
new file mode 100644
index 0000000..db86daa
--- /dev/null
+++ b/test/unit/user_test.rb
@@ -0,0 +1,21 @@
+require_relative '../test_helper'
+
+class UserTest < ActiveSupport::TestCase
+  fixtures :users, :user_preferences
+
+  setup do
+    @user = User.find 1
+  end
+
+  test "should get inactive timer state" do
+    refute @user.timer_running?
+  end
+
+  test "should start timer and get running state" do
+    t = Stopwatch::Timer.new @user
+    t.start
+    t.save
+    assert @user.timer_running?
+  end
+
+end