Refactor frontend ticket navigation with TicketNavigable mixin

app/assets/javascripts/app/controllers/ticket_zoom.coffee

@@ -25,7 +25,7 @@ class App.TicketZoom extends App.Controller
     if !params.init
       @overview_id = params.overview_id
     else
-      @overview_id = false
+      @overview_id = undefined
 
     @key = "ticket::#{@ticket_id}"
     cache = App.SessionStorage.get(@key)

app/assets/javascripts/app/controllers/ticket_zoom/attribute_bar.coffee

@@ -1,4 +1,6 @@
 class App.TicketZoomAttributeBar extends App.Controller
+  @include App.TicketNavigable
+
   elements:
     '.js-submitDropdown': 'buttonDropdown'
     '.js-reset': 'resetButton'
@@ -98,26 +100,6 @@ class App.TicketZoomAttributeBar extends App.Controller
         @closeTab()
         @openNextTicketInOverview()
 
-  openNextTicketInOverview: (overview = @overview_id, ticket = @ticket.id) =>
-    # coerce ids to objects
-    overview = App.Overview.find(overview) if !(overview instanceof App.Overview)
-    ticket = App.Ticket.find(ticket) if !(ticket instanceof App.Ticket)
-    return if !overview? || !ticket?
-
-    nextTicket = overview.nextTicket(ticket.id)
-    return if !nextTicket?
-
-    # open task via task manager to preserve overview information
-    App.TaskManager.execute(
-      key:        "Ticket-#{nextTicket.id}"
-      controller: 'TicketZoom'
-      params:
-        ticket_id:   nextTicket.id
-        overview_id: overview.id
-    )
-
-    @navigate "ticket/zoom/#{nextTicket.id}"
-
   onActionMacroMouseEnter: (e) =>
     @$(e.currentTarget).addClass('is-active')
 

app/assets/javascripts/app/controllers/ticket_zoom/overview_navigator.coffee

@@ -1,4 +1,6 @@
 class App.TicketZoomOverviewNavigator extends App.Controller
+  @include App.TicketNavigable
+
   events:
     'click a': 'open'
 
@@ -59,24 +61,13 @@ class App.TicketZoomOverviewNavigator extends App.Controller
 
   open: (e) =>
     e.preventDefault()
+    ticketLink = $(e.target)
 
-    # get requested object and location
-    id  = $(e.target).data('id')
-    url = $(e.target).attr('href')
-    if !id
-      id  = $(e.target).closest('a').data('id')
-      url = $(e.target).closest('a').attr('href')
+    if (id = ticketLink.data('id'))?
+      url = ticketLink.attr('href')
+    else if (id = ticketLink.closest('a').data('id'))?
+      url = ticketLink.closest('a').attr('href')
+    else
+      return
 
-    # return if we are unable to get id
-    return if !id
-
-    # open task via task manager to get overview information
-    App.TaskManager.execute(
-      key:        'Ticket-' + id
-      controller: 'TicketZoom'
-      params:
-        ticket_id:   id
-        overview_id: @overview_id
-      show:       true
-    )
-    @navigate url
+    @openTicket(id, url)

app/assets/javascripts/app/index.coffee

@@ -2,6 +2,7 @@
 
 #= require_self
 #= require_tree ./lib/app_init
+#= require_tree ./lib/mixins
 #= require ./config.coffee
 #= require_tree ./models
 #= require_tree ./controllers

app/assets/javascripts/app/lib/mixins/ticket_navigable.coffee

@@ -0,0 +1,27 @@
+# Defines common controller behavior for:
+#
+#   * individual ticket pages ('ticket_zoom')
+#   * ticket listings ('overviews')
+#
+# Relies on @overview_id and @ticket_id instance variables
+App.TicketNavigable =
+  openTicket: (ticket_id, url) ->
+    # coerce Ticket objects to id
+    ticket_id = ticket_id.id if (ticket_id instanceof App.Ticket)
+
+    @loadTicketTask(ticket_id)
+    @navigate url ? "ticket/zoom/#{ticket_id}"
+
+  # preserves overview information
+  loadTicketTask: (ticket_id) ->
+    App.TaskManager.execute(
+      key:        "Ticket-#{ticket_id}"
+      controller: 'TicketZoom'
+      params:     { ticket_id: ticket_id, overview_id: @overview_id }
+      show:       true
+    )
+
+  openNextTicketInOverview: ->
+    return if !(@overview_id? && @ticket?)
+    next_ticket = App.Overview.find(@overview_id).nextTicket(@ticket)
+    @openTicket(next_ticket.id)

app/assets/javascripts/app/models/overview.coffee

@@ -76,13 +76,20 @@ You can also create overvies and limit them to specific agents or to groups of a
   uiUrl: ->
     "#ticket/view/#{@link}"
 
-  nextTicket: (startTicket) =>
-    # coerce id to Ticket object
-    startTicket = App.Ticket.find(startTicket) if !(startTicket instanceof App.Ticket)
+  tickets: =>
+    App.OverviewListCollection.get(@link).tickets
 
-    tickets = App.OverviewListCollection.get(@link).tickets
-    currentIndex = _.findIndex(tickets, (t) -> t.id == startTicket.id)
-    tickets[currentIndex + 1]
+  indexOf: (ticket) =>
+    # coerce id to Ticket object
+    ticket = App.Ticket.find(ticket) if !(isNaN ticket)
+    _.findIndex(@tickets(), (t) -> t.id == ticket.id)
+
+  nextTicket: (thisTicket) =>
+    thisIndex = @indexOf(thisTicket)
+    if thisIndex >= 0 then @tickets()[thisIndex + 1] else undefined
+
+  prevTicket: (thisTicket) =>
+    @tickets()[@indexOf(thisTicket) - 1]
 
   @groupByAttributes: ->
     groupByAttributes = {}

test/browser/agent_ticket_macro_test.rb

@@ -2,35 +2,35 @@
 require 'browser_test_helper'
 
 class AgentTicketMacroTest < TestCase
-  # def test_macro
-  #   @browser = browser_instance
-  #   login(
-  #     username: 'agent1@example.com',
-  #     password: 'test',
-  #     url: browser_url,
-  #   )
-  #   tasks_close_all()
+  def test_macro
+    @browser = browser_instance
+    login(
+      username: 'agent1@example.com',
+      password: 'test',
+      url: browser_url,
+    )
+    tasks_close_all()
 
-  #   ticket1 = ticket_create(
-  #     data: {
-  #       customer: 'nico',
-  #       group: 'Users',
-  #       title: 'some subject - macro#1',
-  #       body: 'some body - macro#1',
-  #     },
-  #   )
+    ticket1 = ticket_create(
+      data: {
+        customer: 'nico',
+        group: 'Users',
+        title: 'some subject - macro#1',
+        body: 'some body - macro#1',
+      },
+    )
 
-  #   click(css: '.active.content .js-submitDropdown .js-openDropdownMacro')
-  #   click(css: '.active.content .js-submitDropdown .js-dropdownActionMacro')
+    click(css: '.active.content .js-submitDropdown .js-openDropdownMacro')
+    click(css: '.active.content .js-submitDropdown .js-dropdownActionMacro')
 
-  #   # verify tags
-  #   tags_verify(
-  #     tags: {
-  #       'spam' => true,
-  #       'tag1' => false,
-  #     }
-  #   )
-  # end
+    # verify tags
+    tags_verify(
+      tags: {
+        'spam' => true,
+        'tag1' => false,
+      }
+    )
+  end
 
   def test_macro_ux_flow_next_up
     @browser = browser_instance