adding categories

app/assets/javascripts/categories.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/categories.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Categories controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/categories_controller.rb

@@ -0,0 +1,74 @@
+class CategoriesController < ApplicationController
+  before_action :set_category, only: [:show, :edit, :update, :destroy]
+
+  # GET /categories
+  # GET /categories.json
+  def index
+    @categories = Category.all
+  end
+
+  # GET /categories/1
+  # GET /categories/1.json
+  def show
+  end
+
+  # GET /categories/new
+  def new
+    @category = Category.new
+  end
+
+  # GET /categories/1/edit
+  def edit
+  end
+
+  # POST /categories
+  # POST /categories.json
+  def create
+    @category = Category.new(category_params)
+
+    respond_to do |format|
+      if @category.save
+        format.html { redirect_to @category, notice: 'Category was successfully created.' }
+        format.json { render :show, status: :created, location: @category }
+      else
+        format.html { render :new }
+        format.json { render json: @category.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /categories/1
+  # PATCH/PUT /categories/1.json
+  def update
+    respond_to do |format|
+      if @category.update(category_params)
+        format.html { redirect_to @category, notice: 'Category was successfully updated.' }
+        format.json { render :show, status: :ok, location: @category }
+      else
+        format.html { render :edit }
+        format.json { render json: @category.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /categories/1
+  # DELETE /categories/1.json
+  def destroy
+    @category.destroy
+    respond_to do |format|
+      format.html { redirect_to categories_url, notice: 'Category was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_category
+      @category = Category.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def category_params
+      params.require(:category).permit(:name, :blurb, :description, :external_id, :parent_category_id)
+    end
+end

app/helpers/categories_helper.rb

@@ -0,0 +1,2 @@
+module CategoriesHelper
+end

app/models/category.rb

@@ -0,0 +1,5 @@
+class Category < ApplicationRecord
+
+  validates :name, presence: true
+
+end

app/views/categories/_form.html.erb

@@ -0,0 +1,42 @@
+<%= form_for(category) do |f| %>
+  <% if category.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(category.errors.count, "error") %> prohibited this category from being saved:</h2>
+
+      <ul>
+      <% category.errors.full_messages.each do |message| %>
+        <li><%= message %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= f.label :name %>
+    <%= f.text_field :name %>
+  </div>
+
+  <div class="field">
+    <%= f.label :blurb %>
+    <%= f.text_field :blurb %>
+  </div>
+
+  <div class="field">
+    <%= f.label :description %>
+    <%= f.text_area :description %>
+  </div>
+
+  <div class="field">
+    <%= f.label :external_id %>
+    <%= f.text_field :external_id %>
+  </div>
+
+  <div class="field">
+    <%= f.label :parent_category_id %>
+    <%= f.number_field :parent_category_id %>
+  </div>
+
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>

app/views/categories/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing Category</h1>
+
+<%= render 'form', category: @category %>
+
+<%= link_to 'Show', @category %> |
+<%= link_to 'Back', categories_path %>

app/views/categories/index.html.erb

@@ -0,0 +1,35 @@
+<p id="notice"><%= notice %></p>
+
+<h1>Categories</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th>Blurb</th>
+      <th>Description</th>
+      <th>External</th>
+      <th>Parent category</th>
+      <th colspan="3"></th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @categories.each do |category| %>
+      <tr>
+        <td><%= category.name %></td>
+        <td><%= category.blurb %></td>
+        <td><%= category.description %></td>
+        <td><%= category.external_id %></td>
+        <td><%= category.parent_category_id %></td>
+        <td><%= link_to 'Show', category %></td>
+        <td><%= link_to 'Edit', edit_category_path(category) %></td>
+        <td><%= link_to 'Destroy', category, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<br>
+
+<%= link_to 'New Category', new_category_path %>

app/views/categories/index.json.jbuilder

@@ -0,0 +1,4 @@
+json.array!(@categories) do |category|
+  json.extract! category, :id, :name, :blurb, :description, :external_id, :parent_category_id
+  json.url category_url(category, format: :json)
+end

app/views/categories/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New Category</h1>
+
+<%= render 'form', category: @category %>
+
+<%= link_to 'Back', categories_path %>

app/views/categories/show.html.erb

@@ -0,0 +1,29 @@
+<p id="notice"><%= notice %></p>
+
+<p>
+  <strong>Name:</strong>
+  <%= @category.name %>
+</p>
+
+<p>
+  <strong>Blurb:</strong>
+  <%= @category.blurb %>
+</p>
+
+<p>
+  <strong>Description:</strong>
+  <%= @category.description %>
+</p>
+
+<p>
+  <strong>External:</strong>
+  <%= @category.external_id %>
+</p>
+
+<p>
+  <strong>Parent category:</strong>
+  <%= @category.parent_category_id %>
+</p>
+
+<%= link_to 'Edit', edit_category_path(@category) %> |
+<%= link_to 'Back', categories_path %>

app/views/categories/show.json.jbuilder

@@ -0,0 +1 @@
+json.extract! @category, :id, :name, :blurb, :description, :external_id, :parent_category_id, :created_at, :updated_at

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :categories
   resources :districts
 
   resources :schools do

db/migrate/20170303162123_create_categories.rb

@@ -0,0 +1,13 @@
+class CreateCategories < ActiveRecord::Migration[5.0]
+  def change
+    create_table :categories do |t|
+      t.string :name
+      t.string :blurb
+      t.text :description
+      t.string :external_id
+      t.integer :parent_category_id
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,11 +10,21 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170302154609) do
+ActiveRecord::Schema.define(version: 20170303162123) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "categories", force: :cascade do |t|
+    t.string   "name"
+    t.string   "blurb"
+    t.text     "description"
+    t.string   "external_id"
+    t.integer  "parent_category_id"
+    t.datetime "created_at",         null: false
+    t.datetime "updated_at",         null: false
+  end
+
   create_table "districts", force: :cascade do |t|
     t.string   "name"
     t.integer  "state_id"

spec/controllers/categories_controller_spec.rb

@@ -0,0 +1,159 @@
+require 'rails_helper'
+
+# This spec was generated by rspec-rails when you ran the scaffold generator.
+# It demonstrates how one might use RSpec to specify the controller code that
+# was generated by Rails when you ran the scaffold generator.
+#
+# It assumes that the implementation code is generated by the rails scaffold
+# generator.  If you are using any extension libraries to generate different
+# controller code, this generated spec may or may not pass.
+#
+# It only uses APIs available in rails and/or rspec-rails.  There are a number
+# of tools you can use to make these specs even more expressive, but we're
+# sticking to rails and rspec-rails APIs to keep things simple and stable.
+#
+# Compared to earlier versions of this generator, there is very limited use of
+# stubs and message expectations in this spec.  Stubs are only used when there
+# is no simpler way to get a handle on the object needed for the example.
+# Message expectations are only used when there is no simpler way to specify
+# that an instance is receiving a specific message.
+
+RSpec.describe CategoriesController, type: :controller do
+
+  # This should return the minimal set of attributes required to create a valid
+  # Category. As you add validations to Category, be sure to
+  # adjust the attributes here as well.
+  let(:valid_attributes) {
+    {name: 'Category', external_id: 'A'}
+  }
+
+  let(:invalid_attributes) {
+    {name: ''}
+  }
+
+  # This should return the minimal set of values that should be in the session
+  # in order to pass any filters (e.g. authentication) defined in
+  # CategoriesController. Be sure to keep this updated too.
+  let(:valid_session) { {} }
+
+  describe "GET #index" do
+    it "assigns all categories as @categories" do
+      category = Category.create! valid_attributes
+      get :index, params: {}, session: valid_session
+      expect(assigns(:categories)).to eq([category])
+    end
+  end
+
+  describe "GET #show" do
+    it "assigns the requested category as @category" do
+      category = Category.create! valid_attributes
+      get :show, params: {id: category.to_param}, session: valid_session
+      expect(assigns(:category)).to eq(category)
+    end
+  end
+
+  describe "GET #new" do
+    it "assigns a new category as @category" do
+      get :new, params: {}, session: valid_session
+      expect(assigns(:category)).to be_a_new(Category)
+    end
+  end
+
+  describe "GET #edit" do
+    it "assigns the requested category as @category" do
+      category = Category.create! valid_attributes
+      get :edit, params: {id: category.to_param}, session: valid_session
+      expect(assigns(:category)).to eq(category)
+    end
+  end
+
+  describe "POST #create" do
+    context "with valid params" do
+      it "creates a new Category" do
+        expect {
+          post :create, params: {category: valid_attributes}, session: valid_session
+        }.to change(Category, :count).by(1)
+      end
+
+      it "assigns a newly created category as @category" do
+        post :create, params: {category: valid_attributes}, session: valid_session
+        expect(assigns(:category)).to be_a(Category)
+        expect(assigns(:category)).to be_persisted
+      end
+
+      it "redirects to the created category" do
+        post :create, params: {category: valid_attributes}, session: valid_session
+        expect(response).to redirect_to(Category.last)
+      end
+    end
+
+    context "with invalid params" do
+      it "assigns a newly created but unsaved category as @category" do
+        post :create, params: {category: invalid_attributes}, session: valid_session
+        expect(assigns(:category)).to be_a_new(Category)
+      end
+
+      it "re-renders the 'new' template" do
+        post :create, params: {category: invalid_attributes}, session: valid_session
+        expect(response).to render_template("new")
+      end
+    end
+  end
+
+  describe "PUT #update" do
+    context "with valid params" do
+      let(:new_attributes) {
+        {name: 'Category 2'}
+      }
+
+      it "updates the requested category" do
+        category = Category.create! valid_attributes
+        put :update, params: {id: category.to_param, category: new_attributes}, session: valid_session
+        category.reload
+        expect(category.name).to eq('Category 2')
+      end
+
+      it "assigns the requested category as @category" do
+        category = Category.create! valid_attributes
+        put :update, params: {id: category.to_param, category: valid_attributes}, session: valid_session
+        expect(assigns(:category)).to eq(category)
+      end
+
+      it "redirects to the category" do
+        category = Category.create! valid_attributes
+        put :update, params: {id: category.to_param, category: valid_attributes}, session: valid_session
+        expect(response).to redirect_to(category)
+      end
+    end
+
+    context "with invalid params" do
+      it "assigns the category as @category" do
+        category = Category.create! valid_attributes
+        put :update, params: {id: category.to_param, category: invalid_attributes}, session: valid_session
+        expect(assigns(:category)).to eq(category)
+      end
+
+      it "re-renders the 'edit' template" do
+        category = Category.create! valid_attributes
+        put :update, params: {id: category.to_param, category: invalid_attributes}, session: valid_session
+        expect(response).to render_template("edit")
+      end
+    end
+  end
+
+  describe "DELETE #destroy" do
+    it "destroys the requested category" do
+      category = Category.create! valid_attributes
+      expect {
+        delete :destroy, params: {id: category.to_param}, session: valid_session
+      }.to change(Category, :count).by(-1)
+    end
+
+    it "redirects to the categories list" do
+      category = Category.create! valid_attributes
+      delete :destroy, params: {id: category.to_param}, session: valid_session
+      expect(response).to redirect_to(categories_url)
+    end
+  end
+
+end

spec/routing/categories_routing_spec.rb

@@ -0,0 +1,39 @@
+require "rails_helper"
+
+RSpec.describe CategoriesController, type: :routing do
+  describe "routing" do
+
+    it "routes to #index" do
+      expect(:get => "/categories").to route_to("categories#index")
+    end
+
+    it "routes to #new" do
+      expect(:get => "/categories/new").to route_to("categories#new")
+    end
+
+    it "routes to #show" do
+      expect(:get => "/categories/1").to route_to("categories#show", :id => "1")
+    end
+
+    it "routes to #edit" do
+      expect(:get => "/categories/1/edit").to route_to("categories#edit", :id => "1")
+    end
+
+    it "routes to #create" do
+      expect(:post => "/categories").to route_to("categories#create")
+    end
+
+    it "routes to #update via PUT" do
+      expect(:put => "/categories/1").to route_to("categories#update", :id => "1")
+    end
+
+    it "routes to #update via PATCH" do
+      expect(:patch => "/categories/1").to route_to("categories#update", :id => "1")
+    end
+
+    it "routes to #destroy" do
+      expect(:delete => "/categories/1").to route_to("categories#destroy", :id => "1")
+    end
+
+  end
+end

spec/views/categories/edit.html.erb_spec.rb

@@ -0,0 +1,30 @@
+require 'rails_helper'
+
+RSpec.describe "categories/edit", type: :view do
+  before(:each) do
+    @category = assign(:category, Category.create!(
+      :name => "MyString",
+      :blurb => "MyString",
+      :description => "MyText",
+      :external_id => "MyString",
+      :parent_category_id => 1
+    ))
+  end
+
+  it "renders the edit category form" do
+    render
+
+    assert_select "form[action=?][method=?]", category_path(@category), "post" do
+
+      assert_select "input#category_name[name=?]", "category[name]"
+
+      assert_select "input#category_blurb[name=?]", "category[blurb]"
+
+      assert_select "textarea#category_description[name=?]", "category[description]"
+
+      assert_select "input#category_external_id[name=?]", "category[external_id]"
+
+      assert_select "input#category_parent_category_id[name=?]", "category[parent_category_id]"
+    end
+  end
+end

spec/views/categories/index.html.erb_spec.rb

@@ -0,0 +1,31 @@
+require 'rails_helper'
+
+RSpec.describe "categories/index", type: :view do
+  before(:each) do
+    assign(:categories, [
+      Category.create!(
+        :name => "Name",
+        :blurb => "Blurb",
+        :description => "MyText",
+        :external_id => "External",
+        :parent_category_id => 2
+      ),
+      Category.create!(
+        :name => "Name",
+        :blurb => "Blurb",
+        :description => "MyText",
+        :external_id => "External",
+        :parent_category_id => 2
+      )
+    ])
+  end
+
+  it "renders a list of categories" do
+    render
+    assert_select "tr>td", :text => "Name".to_s, :count => 2
+    assert_select "tr>td", :text => "Blurb".to_s, :count => 2
+    assert_select "tr>td", :text => "MyText".to_s, :count => 2
+    assert_select "tr>td", :text => "External".to_s, :count => 2
+    assert_select "tr>td", :text => 2.to_s, :count => 2
+  end
+end

spec/views/categories/new.html.erb_spec.rb

@@ -0,0 +1,30 @@
+require 'rails_helper'
+
+RSpec.describe "categories/new", type: :view do
+  before(:each) do
+    assign(:category, Category.new(
+      :name => "MyString",
+      :blurb => "MyString",
+      :description => "MyText",
+      :external_id => "MyString",
+      :parent_category_id => 1
+    ))
+  end
+
+  it "renders new category form" do
+    render
+
+    assert_select "form[action=?][method=?]", categories_path, "post" do
+
+      assert_select "input#category_name[name=?]", "category[name]"
+
+      assert_select "input#category_blurb[name=?]", "category[blurb]"
+
+      assert_select "textarea#category_description[name=?]", "category[description]"
+
+      assert_select "input#category_external_id[name=?]", "category[external_id]"
+
+      assert_select "input#category_parent_category_id[name=?]", "category[parent_category_id]"
+    end
+  end
+end

spec/views/categories/show.html.erb_spec.rb

@@ -0,0 +1,22 @@
+require 'rails_helper'
+
+RSpec.describe "categories/show", type: :view do
+  before(:each) do
+    @category = assign(:category, Category.create!(
+      :name => "Name",
+      :blurb => "Blurb",
+      :description => "MyText",
+      :external_id => "External",
+      :parent_category_id => 2
+    ))
+  end
+
+  it "renders attributes in <p>" do
+    render
+    expect(rendered).to match(/Name/)
+    expect(rendered).to match(/Blurb/)
+    expect(rendered).to match(/MyText/)
+    expect(rendered).to match(/External/)
+    expect(rendered).to match(/2/)
+  end
+end