Merge pull request #130 from openHPI/exercise-collections-ui

Exercise Collections UI

app/controllers/exercise_collections_controller.rb

@@ -0,0 +1,51 @@
+class ExerciseCollectionsController < ApplicationController
+  include CommonBehavior
+
+  before_action :set_exercise_collection, only: [:show, :edit, :update, :destroy]
+
+  def index
+    @exercise_collections = ExerciseCollection.all.paginate(:page => params[:page])
+    authorize!
+  end
+
+  def show
+  end
+
+  def new
+    @exercise_collection = ExerciseCollection.new
+    authorize!
+  end
+
+  def create
+    @exercise_collection = ExerciseCollection.new(exercise_collection_params)
+    authorize!
+    create_and_respond(object: @exercise_collection)
+  end
+
+  def destroy
+    authorize!
+    destroy_and_respond(object: @exercise_collection)
+  end
+
+  def edit
+  end
+
+  def update
+    update_and_respond(object: @exercise_collection, params: exercise_collection_params)
+  end
+
+  private
+
+  def set_exercise_collection
+    @exercise_collection = ExerciseCollection.find(params[:id])
+    authorize!
+  end
+
+  def authorize!
+    authorize(@exercise_collection || @exercise_collections)
+  end
+
+  def exercise_collection_params
+    params[:exercise_collection].permit(:name, :exercise_ids => [])
+  end
+end

app/models/exercise_collection.rb

@@ -2,4 +2,8 @@ class ExerciseCollection < ActiveRecord::Base
 
   has_and_belongs_to_many :exercises
 
-end
+  def to_s
+    "#{I18n.t('activerecord.models.exercise_collection.one')}: #{name} (#{id})"
+  end
+
+end

app/policies/exercise_collection_policy.rb

@@ -0,0 +1,3 @@
+class ExerciseCollectionPolicy < AdminOnlyPolicy
+
+end

app/views/application/_navigation.html.slim

@@ -8,7 +8,7 @@
         - if current_user.admin?
           li = link_to(t('breadcrumbs.dashboard.show'), admin_dashboard_path)
           li.divider
-        - models = [ExecutionEnvironment, Exercise, ProxyExercise, Tag, Consumer, CodeHarborLink, ExternalUser, FileType, FileTemplate, InternalUser].sort_by { |model| model.model_name.human(count: 2) }
+        - models = [ExecutionEnvironment, Exercise, ExerciseCollection, ProxyExercise, Tag, Consumer, CodeHarborLink, ExternalUser, FileType, FileTemplate, InternalUser].sort_by { |model| model.model_name.human(count: 2) }
         - models.each do |model|
           - if policy(model).index?
             li = link_to(model.model_name.human(count: 2), send(:"#{model.model_name.collection}_path"))

app/views/exercise_collections/_form.html.slim

@@ -0,0 +1,11 @@
+- exercises = Exercise.order(:title)
+
+= form_for(@exercise_collection, data: {exercises: exercises}, multipart: true) do |f|
+  = render('shared/form_errors', object: @exercise_collection)
+  .form-group
+    = f.label(:name)
+    = f.text_field(:name, class: 'form-control', required: true)
+  .form-group
+    = f.label(:exercises)
+    = f.collection_select(:exercise_ids, exercises, :id, :title, {}, {class: 'form-control', multiple: true})
+  .actions = render('shared/submit_button', f: f, object: @exercise_collection)

app/views/exercise_collections/edit.html.slim

@@ -0,0 +1,3 @@
+h1 = @exercise_collection
+
+= render('form')

app/views/exercise_collections/index.html.slim

@@ -0,0 +1,24 @@
+h1 = ExerciseCollection.model_name.human(count: 2)
+
+.table-responsive
+  table.table
+    thead
+      tr
+        th = t('activerecord.attributes.exercise_collections.id')
+        th = t('activerecord.attributes.exercise_collections.name')
+        th = t('activerecord.attributes.exercise_collections.updated_at')
+        th = t('activerecord.attributes.exercise_collections.exercises')
+        th colspan=3 = t('shared.actions')
+    tbody
+      - @exercise_collections.each do |collection|
+        tr
+          td = collection.id
+          td = link_to(collection.name, collection)
+          td = collection.updated_at
+          td = collection.exercises.size
+          td = link_to(t('shared.show'), collection)
+          td = link_to(t('shared.edit'), edit_exercise_collection_path(collection))
+          td = link_to(t('shared.destroy'), collection, data: {confirm: t('shared.confirm_destroy')}, method: :delete)
+
+= render('shared/pagination', collection: @exercise_collections)
+p = render('shared/new_button', model: ExerciseCollection)

app/views/exercise_collections/new.html.slim

@@ -0,0 +1,3 @@
+h1 = t('shared.new_model', model: ExerciseCollection.model_name.human)
+
+= render('form')

app/views/exercise_collections/show.html.slim

@@ -0,0 +1,11 @@
+h1
+  = @exercise_collection
+  = render('shared/edit_button', object: @exercise_collection)
+
+= row(label: 'exercise_collections.name', value: @exercise_collection.name)
+= row(label: 'exercise_collections.updated_at', value: @exercise_collection.updated_at)
+
+h4 = t('activerecord.attributes.exercise_collections.exercises')
+ul.list-unstyled
+  - @exercise_collection.exercises.sort_by{|c| c.title}.each do |exercise|
+    li = link_to(exercise, exercise)