Merge pull request #1261 from shlok007/resources

Ability to track resources

app/controllers/admin/resources_controller.rb

@@ -0,0 +1,52 @@
+module Admin
+  class ResourcesController < ApplicationController
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource :resource, only: [:show, :edit, :update, :destroy]
+
+    def index; end
+
+    def edit; end
+
+    def new
+      @resource = @conference.resources.new
+    end
+
+    def create
+      @resource = @conference.resources.new(resource_params)
+      if @resource.save
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    notice: 'Resource successfully created.'
+      else
+        flash[:error] = "Creating resource failed: #{@resource.errors.full_messages.join('. ')}."
+        render :new
+      end
+    end
+
+    def update
+      if @resource.update_attributes(resource_params)
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    notice: 'Resource successfully updated.'
+      else
+        flash[:error] = "Resource update failed: #{@resource.errors.full_messages.join('. ')}."
+        render :edit
+      end
+    end
+
+    def destroy
+      if @resource.destroy
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    notice: 'Resource successfully destroyed.'
+      else
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    error: 'Resource was successfully destroyed.' \
+  	                "#{@resource.errors.full_messages.join('. ')}."
+      end
+    end
+
+    private
+
+    def resource_params
+      params.require(:resource).permit(:name, :description, :quantity, :used, :conference_id)
+    end
+  end
+end

app/helpers/application_helper.rb

@@ -536,4 +536,8 @@ module ApplicationHelper
       end
     end
   end
+
+  def quantity_left_of(resource)
+    "#{resource.quantity - resource.used}/#{resource.quantity}"
+  end
 end

app/models/ability.rb

@@ -134,6 +134,7 @@ class Ability
     # ids of all the conferences for which the user has the 'organizer' role
     conf_ids_for_organizer = Conference.with_role(:organizer, user).pluck(:id)
 
+    can :manage, Resource, conference_id: conf_ids_for_organizer
     can [:new, :create], Conference if user.has_role?(:organizer, :any)
     can :manage, Conference, id: conf_ids_for_organizer
     can :manage, Splashpage, conference_id: conf_ids_for_organizer
@@ -187,6 +188,7 @@ class Ability
     # ids of all the conferences for which the user has the 'cfp' role
     conf_ids_for_cfp = Conference.with_role(:cfp, user).pluck(:id)
 
+    can [:index, :show, :update], Resource, conference_id: conf_ids_for_cfp
     can :manage, Event, program: { conference_id: conf_ids_for_cfp }
     can :manage, EventType, program: { conference_id: conf_ids_for_cfp }
     can :manage, Track, program: { conference_id: conf_ids_for_cfp }
@@ -223,6 +225,7 @@ class Ability
     # ids of all the conferences for which the user has the 'info_desk' role
     conf_ids_for_info_desk = Conference.with_role(:info_desk, user).pluck(:id)
 
+    can [:index, :show, :update], Resource, conference_id: conf_ids_for_info_desk
     can :manage, Registration, conference_id: conf_ids_for_info_desk
     can :manage, Question, conference_id: conf_ids_for_info_desk
     can :manage, Question do |question|
@@ -244,6 +247,7 @@ class Ability
     # ids of all the conferences for which the user has the 'volunteers_coordinator' role
     conf_ids_for_volunteers_coordinator = Conference.with_role(:volunteers_coordinator, user).pluck(:id)
 
+    can [:index, :show, :update], Resource, conference_id: conf_ids_for_volunteers_coordinator
     can :manage, Vposition, conference_id: conf_ids_for_volunteers_coordinator
     can :manage, Vday, conference_id: conf_ids_for_volunteers_coordinator
 

app/models/conference.rb

@@ -24,6 +24,7 @@ class Conference < ActiveRecord::Base
   has_many :payments, dependent: :destroy
   has_many :supporters, through: :ticket_purchases, source: :user
   has_many :tickets, dependent: :destroy
+  has_many :resources, dependent: :destroy
 
   has_many :lodgings, dependent: :destroy
   has_many :registrations, dependent: :destroy

app/models/resource.rb

@@ -0,0 +1,10 @@
+class Resource < ActiveRecord::Base
+  belongs_to :conference
+  validate :used_less_than_quantity
+
+  private
+
+  def used_less_than_quantity
+    errors.add(:used, 'can not be higher than total quantity') unless used <= quantity
+  end
+end

app/views/admin/resources/_form.html.haml

@@ -0,0 +1,16 @@
+.row
+  .col-md-12
+    .page-header
+      %h1
+        - if @resource.new_record?
+          New
+        Resource
+.row
+  .col-md-8
+    = semantic_form_for(@resource, :url => (@resource.new_record? ? admin_conference_resources_path : admin_conference_resource_path(@conference.short_title, @resource))) do |f|
+      = f.input :name
+      = f.input :description, input_html: { rows: 5, data: { provide: "markdown-editable" } }
+      = f.input :used
+      = f.input :quantity
+      %p.text-right
+        = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }

app/views/admin/resources/index.html.haml

@@ -0,0 +1,36 @@
+.row
+  .col-md-12
+    .page-header
+      %h1 Resources
+      %p.text-muted
+        Manage resources in conference
+- if @conference.resources.any?
+  .row
+    .col-md-12
+      %table.table.table-hover.datatable
+        %thead
+          %th Name
+          %th Left( Left/Total )
+          %th Used
+          %th Actions
+        %tbody
+          - @conference.resources.each do |resource|
+            %tr
+              %td
+                = link_to(admin_conference_resource_path(@conference.short_title, resource.id)) do
+                  = resource.name
+                %td
+                  = quantity_left_of(resource)
+                %td
+                  = resource.used
+                %td
+                  .btn-group
+                    = link_to 'Edit', edit_admin_conference_resource_path(@conference.short_title, resource.id),
+                      method: :get, class: 'btn btn-primary', disabled: !(can? :update, resource)
+                    = link_to 'Delete', admin_conference_resource_path(@conference.short_title, resource.id),
+                      method: :delete, class: 'btn btn-danger', disabled: !(can? :destroy, resource),
+                      data: { confirm: "Do you really want to delete #{resource.name}?" }
+.row
+  .col-md-12
+    = link_to 'Add Resource', new_admin_conference_resource_path, class: 'btn btn-success pull-right', disabled: !(can? :create, Resource.new(conference_id: @conference_id))
+

app/views/admin/resources/new.html.haml

@@ -0,0 +1 @@
+= render 'form'

app/views/admin/resources/show.html.haml

@@ -0,0 +1,26 @@
+.row
+  .col-md-12
+    %h3
+      = @resource.name
+      .btn-group.pull-right
+        = link_to 'Edit', edit_admin_conference_resource_path(@conference.short_title, @resource), class: 'btn btn-mini btn-primary'
+
+%br
+.row
+  .col-md-12
+    %table.table
+      %tr
+        %td.col-md-2
+          %b Description
+        %td
+          = @resource.description
+      %tr
+        %td
+          %b Total Quantity
+        %td
+          = @resource.quantity
+      %tr
+        %td
+          %b Quantity left
+        %td
+          = quantity_left_of(@resource)

app/views/layouts/_admin_sidebar.html.haml

@@ -139,3 +139,8 @@
       = link_to(admin_conference_roles_path(@conference.short_title)) do
         %span.fa.fa-group
         Roles
+  - if can? :index, @conference.resources.new
+    %li
+      = link_to admin_conference_resources_path(@conference.short_title) do
+        %span.fa.fa-pencil-square
+        Resources