optimize trainings API

CHANGELOG.md

@@ -5,6 +5,7 @@
 - User public profile: UI re-design with possible admin's customization
 - Admin: Invoices list and users list are now loaded per 10 items to improve pages load time
 - Admin: select member (eg. to buy a subscription for a member) is now loading the user's list dynamically when you type
+- API: GET /api/trainings do not send the associated availabilities until they are requested
 - [TODO DEPLOY] Regenerate the theme stylesheet (easy way: Customization/General/Main colour -> "Save")
 - [TODO DEPLOY] `bundle install` and `rake db:migrate`
 

app/assets/javascripts/controllers/admin/pricing.coffee.erb

@@ -3,8 +3,8 @@
 ##
 # Controller used in the prices edition page
 ##
-Application.Controllers.controller "EditPricingController", ["$scope", "$state", '$uibModal', 'Training', 'TrainingsPricing', 'Machine', '$filter', 'Credit', 'Pricing', 'Plan', 'plans', 'groups', 'growl', 'machinesPricesPromise', 'Price', 'dialogs', 'trainingsPricingsPromise', '_t'
-, ($scope, $state, $uibModal, Training, TrainingsPricing, Machine, $filter, Credit, Pricing, Plan, plans, groups, growl, machinesPricesPromise, Price, dialogs, trainingsPricingsPromise, _t) ->
+Application.Controllers.controller "EditPricingController", ["$scope", "$state", '$uibModal', 'TrainingsPricing', '$filter', 'Credit', 'Pricing', 'Plan', 'plans', 'groups', 'growl', 'machinesPricesPromise', 'Price', 'dialogs', 'trainingsPricingsPromise', 'trainingsPromise', 'machineCreditsPromise', 'machinesPromise', 'trainingCreditsPromise', '_t'
+, ($scope, $state, $uibModal, TrainingsPricing, $filter, Credit, Pricing, Plan, plans, groups, growl, machinesPricesPromise, Price, dialogs, trainingsPricingsPromise, trainingsPromise, machineCreditsPromise, machinesPromise, trainingCreditsPromise, _t) ->
 
   ### PUBLIC SCOPE ###
   ## List of machines prices (not considering any plan)
@@ -20,19 +20,19 @@ Application.Controllers.controller "EditPricingController", ["$scope", "$state",
   $scope.groups = groups
 
   ## Associate free machine hours with subscriptions
-  $scope.machineCredits = []
+  $scope.machineCredits = machineCreditsPromise
 
   ## Array of associations (plan <-> training)
-  $scope.trainingCredits = []
+  $scope.trainingCredits = trainingCreditsPromise
 
   ## Associate a plan with all its trainings ids
   $scope.trainingCreditsGroups = {}
 
   ## List of trainings
-  $scope.trainings = []
+  $scope.trainings = trainingsPromise
 
   ## List of machines
-  $scope.machines = []
+  $scope.machines = machinesPromise
 
   ## The plans list ordering. Default: by group
   $scope.orderPlans = 'group_id'
@@ -320,23 +320,13 @@ Application.Controllers.controller "EditPricingController", ["$scope", "$state",
   ##
   initialize = ->
 
-    Credit.query({creditable_type: 'Training'}).$promise.then (data)->
-      $scope.trainingCredits = data
-      $scope.trainingCreditsGroups = groupCreditsByPlan(data)
+    $scope.trainingCreditsGroups = groupCreditsByPlan($scope.trainingCredits)
 
-      ## adds empty array for plan which hasn't any credits yet
-      for plan in $scope.plans
-        unless $scope.trainingCreditsGroups[plan.id]?
-          $scope.trainingCreditsGroups[plan.id] = []
+    ## adds empty array for plan which hasn't any credits yet
+    for plan in $scope.plans
+      unless $scope.trainingCreditsGroups[plan.id]?
+        $scope.trainingCreditsGroups[plan.id] = []
 
-    Credit.query({creditable_type: 'Machine'}).$promise.then (data)->
-      $scope.machineCredits = data
-
-    Training.query().$promise.then (data)->
-      $scope.trainings = data
-
-    Machine.query().$promise.then (data)->
-      $scope.machines = data
 
 
   ##

app/assets/javascripts/router.coffee.erb

@@ -515,7 +515,7 @@ angular.module('application.router', ['ui.router']).
             controller: 'TrainingsController'
         resolve:
           trainingsPromise: ['Training', (Training)->
-            Training.query().$promise
+            Training.query({requested_attributes:'[availabilities]'}).$promise
           ]
           machinesPromise: ['Machine', (Machine)->
             Machine.query().$promise
@@ -601,6 +601,18 @@ angular.module('application.router', ['ui.router']).
           translations: [ 'Translations', (Translations) ->
             Translations.query('app.admin.pricing').$promise
           ]
+          trainingsPromise: ['Training', (Training) ->
+            Training.query().$promise
+          ]
+          machineCreditsPromise: ['Credit', (Credit) ->
+            Credit.query({creditable_type: 'Machine'}).$promise
+          ]
+          machinesPromise: ['Machine', (Machine) ->
+            Machine.query().$promise
+          ]
+          trainingCreditsPromise: ['Credit', (Credit) ->
+            Credit.query({creditable_type: 'Training'}).$promise
+          ]
 
       # plans
       .state 'app.admin.plans',

app/controllers/api/trainings_controller.rb

@@ -3,6 +3,7 @@ class API::TrainingsController < API::ApiController
   before_action :set_training, only: [:show, :update, :destroy]
 
   def index
+    @requested_attributes = params[:requested_attributes]
     @trainings = policy_scope(Training)
   end
 

app/views/api/trainings/index.json.jbuilder

@@ -12,7 +12,7 @@ json.array!(@trainings) do |training|
       json.full_name slot.reservation.user.profile.full_name
       json.is_valid slot.reservation.user.trainings.include?(training)
     end
-  end
+  end if attribute_requested?(@requested_attributes, 'availabilities')
   json.nb_total_places training.nb_total_places
 
   json.plan_ids training.plan_ids if current_user and current_user.is_admin?