Added recalculation button to the achievement editor

app/styles/editor/achievement/edit.sass

@@ -0,0 +1,12 @@
+#editor-achievement-edit-view
+  .treema-root
+    margin: 28px 0px 20px
+
+  button
+    float: right
+    margin-top: 15px
+    margin-left: 10px
+
+  textarea
+    width: 92%
+    height: 300px

app/templates/editor/achievement/edit.jade

@@ -11,7 +11,8 @@ block content
         li.active
           | #{achievement.attributes.name}
 
-      button(data-i18n="common.save", disabled=authorized === true ? undefined : "true").btn.btn-primary#save-button Save
+    button(data-i18n="", disabled=me.isAdmin() === true ? undefined : "true").btn.btn-primary#recalculate-button Recalculate
+    button(data-i18n="common.save", disabled=me.isAdmin() === true ? undefined : "true").btn.btn-primary#save-button Save
 
     h3(data-i18n="achievement.edit_achievement_title") Edit Achievement
       span
@@ -24,6 +25,7 @@ block content
     hr
 
     div#error-view
+
   else
     .alert.alert-danger
       span Admin only. Turn around.

app/templates/modal/confirm.jade

@@ -0,0 +1,11 @@
+extends /templates/modal/modal_base
+
+block modal-header-content
+  h3 #{confirmTitle}
+
+block modal-body-content
+  p #{confirmBody}
+
+block modal-footer-content
+  button.btn.btn-secondary#decline-button(type="button", data-dismiss="modal") #{confirmDecline}
+  button.btn.btn-primary#confirm-button(type="button", data-dismiss=closeOnConfirm === true ? "modal" : undefined) #{confirmConfirm}

app/views/editor/achievement/edit.coffee

@@ -1,6 +1,7 @@
 View = require 'views/kinds/RootView'
 template = require 'templates/editor/achievement/edit'
 Achievement = require 'models/Achievement'
+ConfirmModal = require 'views/modal/confirm'
 
 module.exports = class AchievementEditView extends View
   id: "editor-achievement-edit-view"
@@ -9,6 +10,7 @@ module.exports = class AchievementEditView extends View
 
   events:
     'click #save-button': 'saveAchievement'
+    'click #recalculate-button': 'confirmRecalculation'
 
   subscriptions:
     'save-new': 'saveAchievement'
@@ -72,3 +74,34 @@ module.exports = class AchievementEditView extends View
     res.success =>
       url = "/editor/achievement/#{@achievement.get('slug') or @achievement.id}"
       document.location.href = url
+
+  confirmRecalculation: (e) ->
+    renderData =
+      'confirmTitle': "Are you really sure?"
+      'confirmBody': "This will trigger recalculation of the achievement for all users. Are you really sure you want to go down this path?"
+      'confirmDecline': "Not really"
+      'confirmConfirm': "Definitely"
+
+    confirmModal = new ConfirmModal(renderData)
+    confirmModal.onConfirm @recalculateAchievement
+    @openModalView confirmModal
+
+  recalculateAchievement: =>
+    $.ajax
+      data: JSON.stringify(achievements: [@achievement.get('slug') or @achievement.get('_id')])
+      success: (data, status, jqXHR) ->
+        noty
+          timeout: 5000
+          text: 'Recalculation process started'
+          type: 'success'
+          layout: 'topCenter'
+      error: (jqXHR, status, error) ->
+        console.error jqXHR
+        noty
+          timeout: 5000
+          text: "Starting recalculation process failed with error code #{jqXHR.status}"
+          type: 'error'
+          layout: 'topCenter'
+      url: '/admin/earned.achievement/recalculate'
+      type: 'POST'
+      contentType: 'application/json'

app/views/modal/confirm.coffee

@@ -0,0 +1,30 @@
+ModalView = require '../kinds/ModalView'
+template = require 'templates/modal/confirm'
+
+module.exports = class ConfirmModal extends ModalView
+  id: "confirm-modal"
+  template: template
+  closeButton: true
+  closeOnConfirm: true
+
+  events:
+    'click #decline-button': 'doDecline'
+    'click #confirm-button': 'doConfirm'
+
+  constructor: (@renderData={}, options={}) ->
+    super(options)
+
+  getRenderData: ->
+    context = super()
+    context.closeOnConfirm = @closeOnConfirm
+    _.extend context, @renderData
+
+  setRenderData: (@renderData) ->
+
+  onDecline: (@decline) ->
+
+  onConfirm: (@confirm) ->
+
+  doConfirm: -> @confirm() if @confirm
+
+  doDecline: -> @decline() if @decline

server/achievements/earned_achievement_handler.coffee

@@ -15,21 +15,22 @@ class EarnedAchievementHandler extends Handler
     req.method is 'GET' # or req.user.isAdmin()
 
   recalculate: (req, res) ->
-    onSuccess = (data) => @sendSuccess(res, data)
-    if 'achievements' of req.query # Support both slugs and IDs separated by commas
-      achievementSlugsOrIDs = req.query.achievements.split(',')
+    onSuccess = (data) => log.debug "Finished recalculating achievements"
+    if 'achievements' of req.body # Support both slugs and IDs separated by commas
+      achievementSlugsOrIDs = req.body.achievements
       EarnedAchievementHandler.recalculate achievementSlugsOrIDs, onSuccess
     else
       EarnedAchievementHandler.recalculate onSuccess
-    @sendSuccess res
+    @sendSuccess res, {}
 
   # Returns success: boolean
-  @recalculate: (callbackOrSlugsOrIDs, callback) ->
+  # TODO call onFinished
+  @recalculate: (callbackOrSlugsOrIDs, onFinished) ->
     if _.isArray callbackOrSlugsOrIDs
       achievementSlugs = (thing for thing in callbackOrSlugsOrIDs when not Handler.isID(thing))
       achievementIDs = (thing for thing in callbackOrSlugsOrIDs when Handler.isID(thing))
     else
-      callback = callbackOrSlugsOrIDs
+      onFinished = callbackOrSlugsOrIDs
 
     filter = {}
     filter.$or = [
@@ -37,12 +38,17 @@ class EarnedAchievementHandler extends Handler
       {slug: $in: achievementSlugs}
     ] if achievementSlugs? or achievementIDs?
 
+    # Fetch all relevant achievements
     Achievement.find filter, (err, achievements) ->
-      return false and log.error err if err?
+      return log.error err if err?
+
+      # Fetch every single user
       User.find {}, (err, users) ->
         _.each users, (user) ->
           # Keep track of a user's already achieved in order to set the notified values correctly
           userID = user.get('_id').toHexString()
+
+          # Fetch all of a user's earned achievements
           EarnedAchievement.find {user: userID}, (err, alreadyEarned) ->
             alreadyEarnedIDs = []
             previousPoints = 0