Adding resource category edit abilities

app/controllers/resource_categories_controller.rb

@@ -0,0 +1,46 @@
+class ResourceCategoriesController < ApplicationController
+  load_and_authorize_resource
+  layout 'resources'
+
+  def create
+    authorize! :create, @resource_category
+
+    respond_to do |format|
+      if @resource_category.save
+        format.html { redirect_to resource_categories_path, :notice => "Category was successfully created." }
+        format.json { head :no_content }
+      else
+        format.html { render :action => "new" }
+        format.json { render :json => @resource_category.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  def update
+    authorize! :update, @resource_category
+
+    respond_to do |format|
+      if @resource_category.update_attributes(params[:resource_category])
+        format.html { redirect_to resource_categories_path, :notice => "Category was successfully updated." }
+        format.json { head :no_content }
+      else
+        format.html { render :action => "edit" }
+        format.json { render :json => @resource_category.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  def destroy
+
+    respond_to do |format|
+      if @resource_category.destroy
+        format.html { redirect_to resource_categories_path, :notice => "Category was deleted." }
+        format.json  { head :ok }
+      else
+        format.html { redirect_to resource_categories_path, :notice => "Category could not be deleted. #{@resource_category.errors.full_messages.first}." }
+        format.json { render :json => @resource_category.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+end

app/controllers/resources_controller.rb

@@ -1,6 +1,7 @@
 class ResourcesController < ApplicationController
   load_and_authorize_resource
   before_filter :load_users
+  layout 'resources'
 
   def index
     @featured_resource = @resources.where("picture_file_name IS NOT NULL").sample
@@ -58,4 +59,5 @@ class ResourcesController < ApplicationController
       @users = [current_user]
     end
   end
+
 end

app/models/ability.rb

@@ -5,6 +5,7 @@ class Ability
     can :read, Mac # Anonymous can read mac
     can :scan, Mac # Need anonymous so CRON can scan
     can :read, Resource
+    can :read, ResourceCategory
 
     if !user.nil?
 
@@ -36,7 +37,8 @@ class Ability
       unless user.orientation.blank?
         can [:read,:new_member_report,:activity], User, :hidden => [nil,false]
         can :read, UserCertification
-        can [:create,:update,:destroy], Resource, :user_id => [nil,user.id]
+        can [:create,:update], Resource, :user_id => [nil,user.id]
+        can [:create,:update,:destroy], ResourceCategory
       end 
 
       # Accountants can manage payments

app/models/resource.rb

@@ -1,9 +1,9 @@
 class Resource < ActiveRecord::Base
-  attr_accessible :supercategory, :user_id, :category_id, :name, :serial, :specs, :status, :donatable, :picture, :picture_file_name, :picture_content_type, :picture_file_size, :picture_updated_at, :notes, :estimated_value, :disposed_at, :modified_by
+  attr_accessible :supercategory, :user_id, :resource_category_id, :name, :serial, :specs, :status, :donatable, :picture, :picture_file_name, :picture_content_type, :picture_file_size, :picture_updated_at, :notes, :estimated_value, :disposed_at, :modified_by
 
   belongs_to :owner, :class_name => "ToolshareUser" #TODO: remove owner
   belongs_to :user
-  belongs_to :category, :class_name => "ResourceCategory"
+  belongs_to :resource_category
   has_attached_file :picture,  #TODO: move to local storage
                     :styles => { :medium => "300x300>",
 	                         :thumb => "100x100>",
@@ -13,7 +13,7 @@ class Resource < ActiveRecord::Base
                     :path => ":attachment/:id/:style.:extension",
                     :bucket => 'Toolshare'
 
-  def category_name
-    self.category.name if self.category
+  def resource_category_name
+    resource_category.name if resource_category
   end
 end

app/models/resource_category.rb

@@ -1,3 +1,13 @@
 class ResourceCategory < ActiveRecord::Base
   has_many :resources
+  attr_accessible :name
+
+  before_destroy :has_resources?
+
+  private
+
+  def has_resources?
+    errors.add(:base, "Cannot delete category with associated resources") unless resources.count == 0
+    errors.blank? #return false, to not destroy the element, otherwise, it will delete.
+  end
 end

app/views/layouts/application.html.erb

@@ -16,6 +16,7 @@
   <div id="header">
     <a id="home_nav_link" href="/" title="Home"><img src="/assets/logo.png" id="logo" /></a>
     <%= link_to 'People', users_path if can? :read, User %>
+    <%= link_to 'Tools & Resources', resources_path if can? :read, Resource %>
     <%= link_to 'Access Cards', cards_path if can? :manage, Card %>
     <% if can? :create, UserCertification %>
       <%= link_to 'Cert Classes', certifications_path if can? :read, Certification %>

app/views/layouts/resources.html.erb

@@ -10,6 +10,23 @@
   <link href="/bootstrap/css/bootstrap-theme.min.css" type="text/css" rel="stylesheet" />
   <script src="/bootstrap/js/bootstrap.min.js" type="text/javascript" ></script> 
 
+
+<style>
+  .thumbnail { height: 150px; position: relative; }
+  .thumbnail .ownership,
+  .thumbnail .disposed
+  { position: absolute; top: 1px;
+    text-shadow:
+      -1px -1px 0 #fff,
+      1px -1px 0 #fff,
+      -1px 1px 0 #fff,
+      1px 1px 0 #fff;
+    font-weight: bold; left: 10px; }
+  .thumbnail .disposed { color: red; }
+  .thumbnail h4 { position: absolute; bottom: 1px; margin-bottom: 1px; }
+</style>
+
+
   <style>
     #logo {
       height: 40px;

app/views/resource_categories/_form.html.erb

@@ -0,0 +1,22 @@
+<%= form_for @resource_category, :html => { :multipart => true } do |f| %>
+  <% if @resource_category.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@resource_category.errors.count, "error") %> prohibited this resource from being saved:</h2>
+
+      <ul>
+      <% @resource_category.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p>
+    <%= f.submit nil, class: "btn btn-primary" %>
+  </p>
+<% end %>
+

app/views/resource_categories/_resource_category.html.erb

@@ -0,0 +1,10 @@
+<li class="list-group-item row">
+  <h4 class="col-xs-6">
+    <%= resource_category.name %>
+    <small>(<%= resource_category.resources.count %> associated)</small>
+  </h4>
+  <span class="col-xs-6 text-right">
+    <%= link_to "Edit", [:edit, resource_category], class: "btn btn-primary" if can? :edit, resource_category %>
+    <%= link_to 'Delete', resource_category, {:confirm => 'Are you sure you want to delete this forever?', :method => :delete, :class => "btn btn-danger"} if can? :destroy, resource_category %>
+  </span>
+</li>

app/views/resource_categories/edit.html.erb

@@ -0,0 +1,4 @@
+<h1>Edit Category
+<%= link_to 'Back', resource_categories_path, class: "btn btn-default" %>
+</h1>
+<%= render 'form' %>

app/views/resource_categories/index.html.erb

@@ -0,0 +1,33 @@
+<link href="/bootstrap/css/bootstrap-theme.min.css" type="text/css" />
+<link href="/bootstrap/css/bootstrap.min.css" type="text/css" />
+<script src="/bootstrap/js/bootstrap.min.js" type="text/javascript" ></script>
+
+<style>
+  .thumbnail { height: 150px; position: relative; }
+  .thumbnail .ownership,
+  .thumbnail .disposed
+  { position: absolute; top: 1px; 
+    text-shadow: 
+      -1px -1px 0 #fff,
+      1px -1px 0 #fff,
+      -1px 1px 0 #fff,
+      1px 1px 0 #fff;
+    font-weight: bold; left: 10px; }
+  .thumbnail .disposed { color: red; }
+  .thumbnail h4 { position: absolute; bottom: 1px; margin-bottom: 1px; }
+</style>
+
+
+<h1 class="col-sm-9">Resource Categories
+  <%= link_to 'Back', resources_path, :class => "btn btn-default" if can? :read, Resource %>
+  <%= link_to 'Add Category', new_resource_category_path, :class => "btn btn-success" if can? :create, ResourceCategory %>
+</h1>
+
+<div class="col-sm-12">
+  <ul class="list-group">
+    <%= render @resource_categories.sort_by(&:name) %>
+  </ul>
+</div>
+
+<br />
+

app/views/resource_categories/new.html.erb

@@ -0,0 +1,4 @@
+<h1>New Category
+<%= link_to 'Back', resource_categories_path, class: "btn btn-default" %>
+</h1>
+<%= render 'form' %>

app/views/resources/_form.html.erb

@@ -12,8 +12,8 @@
   <% end %>
 
   <p>
-    <%= f.label :category_id %><br />
-    <%= select(:resource, :category_id, options_from_collection_for_select(ResourceCategory.all.sort_by(&:name), :id, :name, @resource.category_id ) ) %>
+    <%= f.label :resource_category_id, "Category" %><br />
+    <%= select(:resource, :resource_category_id, options_from_collection_for_select(ResourceCategory.all.sort_by(&:name), :id, :name, @resource.resource_category_id ) ) %>
   </p>
   <p>
     <%= f.label :name %><br />

app/views/resources/index.html.erb

@@ -1,27 +1,6 @@
-
-
-<link href="/bootstrap/css/bootstrap-theme.min.css" type="text/css" />
-<link href="/bootstrap/css/bootstrap.min.css" type="text/css" />
-<script src="/bootstrap/js/bootstrap.min.js" type="text/javascript" ></script>
-
-<style>
-  .thumbnail { height: 150px; position: relative; }
-  .thumbnail .ownership,
-  .thumbnail .disposed
-  { position: absolute; top: 1px; 
-    text-shadow: 
-      -1px -1px 0 #fff,
-      1px -1px 0 #fff,
-      -1px 1px 0 #fff,
-      1px 1px 0 #fff;
-    font-weight: bold; left: 10px; }
-  .thumbnail .disposed { color: red; }
-  .thumbnail h4 { position: absolute; bottom: 1px; margin-bottom: 1px; }
-</style>
-
-
 <h1 class="col-sm-4">Lab Resources
   <%= link_to 'Add Resource', new_resource_path, :class => "btn btn-success" if can? :create, Resource %>
+  <%= link_to 'Categories', resource_categories_path, :class => "btn btn-primary" if can? :read, ResourceCategory %>
 </h1>
 
 <h3 class="col-sm-2">Featured item:</h3>
@@ -30,14 +9,14 @@
 <div class="row">
 <% unless @resources.blank? %>
   <div class="panel-group col-sm-8" id="accordion">
-    <% @resources.sort_by{|r| [r.category_name,r.name] }.group_by(&:category).each do |category,resources| %>
+    <% @resources.sort_by{|r| [r.resource_category_name,r.name] }.group_by(&:resource_category).each do |resource_category,resources| %>
     <div class="panel panel-default">
-      <div class="panel-heading" data-toggle="collapse" data-parent="#accordion" href="#collapse_cat_<%= category.id %>">
+      <div class="panel-heading" data-toggle="collapse" data-parent="#accordion" href="#collapse_cat_<%= resource_category.id %>">
         <h4 class="panel-title">
-            <%= category.name %>
+            <%= resource_category.name %>
         </h4>
       </div>
-      <div id="collapse_cat_<%= category.id %>" class="panel-collapse collapse">
+      <div id="collapse_cat_<%= resource_category.id %>" class="panel-collapse collapse">
         <div class="panel-body">
         <%= render resources %>
         </div>

app/views/resources/show.html.erb

@@ -12,7 +12,7 @@
 <% end %>
 <p>
   <b>Category:</b>
-  <%=h @resource.category.name if !@resource.category.blank? %>
+  <%=h @resource.resource_category.name if @resource.resource_category %>
 </p>
 
 <p>

app/views/users/index.html.erb

@@ -53,7 +53,7 @@
   
 <% if !@users.blank? %>
   <% @users.each do |user| %>
-  <tr<%= " class='hidden'" if user.hidden? %>>
+  <tr<%= ' class=hidden' if user.hidden? %>>
     <td><%= image_tag user.gravatar_url(:default => "http://members.heatsynclabs.org/assets/nil.png"), :class => :avatar %></td>
     <td><%= link_to user.name, user %></td>
     <td><%= raw(user.member_status_symbol) %></td>

config/routes.rb

@@ -9,6 +9,7 @@ Dooraccess::Application.routes.draw do
 
   resources :payments
   resources :resources
+  resources :resource_categories, except: :show
 
   match 'statistics' => 'statistics#index', :as => :statistics
   match 'statistics/mac_log' => 'statistics#mac_log', :as => :mac_statistics

db/migrate/20140214055051_rename_resource_category_id_to_resource_resource_category_id.rb

@@ -0,0 +1,5 @@
+class RenameResourceCategoryIdToResourceResourceCategoryId < ActiveRecord::Migration
+  def change
+    rename_column :resources, :category_id, :resource_category_id
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140209120648) do
+ActiveRecord::Schema.define(:version => 20140214055051) do
 
   create_table "cards", :force => true do |t|
     t.string   "card_number"
@@ -126,7 +126,7 @@ ActiveRecord::Schema.define(:version => 20140209120648) do
   create_table "resources", :force => true do |t|
     t.string   "supercategory"
     t.integer  "owner_id"
-    t.integer  "category_id"
+    t.integer  "resource_category_id"
     t.string   "name"
     t.string   "serial"
     t.string   "specs"