Merchant Item Epic User Stories 44-51

app/controllers/merchants/items_controller.rb

@@ -1,4 +1,62 @@
-class Merchant::ItemsController < Merchant::BaseController
+class Merchants::ItemsController < Merchants::BaseController
   def index
+    @items = Item.where(user: current_user)
+  end
+
+  def new
+    @item = Item.new
+  end
+
+  def edit
+    @item = Item.find(params[:id])
+  end
+
+  def create
+    @item = current_user.items.new(item_info)
+    if @item.valid?
+      @item.save
+
+      flash[:info] = "#{@item.name} Saved"
+      redirect_to dashboard_items_path
+    else
+      render :new
+    end
+  end
+
+  def update
+    @item = Item.find(params[:id])
+    name = @item.name
+    if params[:enabled]
+      @item.update(enabled: params[:enabled])
+      completed_action = params[:enabled] == "true" ? "Enabled": "Disabled"
+      flash[:info] = [@item.name, completed_action].join(" ")
+      redirect_to dashboard_items_path
+    else
+      info = item_info
+      if info[:image_url] == ''
+        info[:image_url] = 'http://www.spore.com/static/image/500/404/515/500404515704_lrg.png'
+      end
+      @item.update(info)
+      if @item.valid?
+        flash[:info] = "#{name} Edited"
+        redirect_to dashboard_items_path
+      else
+        render :edit
+      end
+    end
+  end
+
+  def destroy
+    @item = Item.find(params[:id])
+    name = @item.name
+    @item.destroy
+    flash[:info] = "#{name} Deleted"
+    redirect_to dashboard_items_path
+  end
+
+  private
+
+  def item_info
+    params.require(:item).permit(:name, :description, :image_url, :current_price, :quantity)
   end
 end

app/models/item.rb

@@ -1,10 +1,9 @@
 class Item < ApplicationRecord
   validates_presence_of :name,
                         :description,
-                        :image_url,
-                        :quantity,
-                        :current_price #break out for nuericality checks
-
+                        :image_url
+  validates :quantity, presence: true, numericality:{ only_integer: true, greater_than_or_equal_to: 0}
+  validates :current_price, presence: true, numericality:{ greater_than: 0}
   belongs_to :user, foreign_key: 'merchant_id'
   has_many :order_items
   has_many :orders, through: :order_items
@@ -33,4 +32,8 @@ def fullfillment_time
     order_items.where("order_items.fulfilled = true")
                .average("order_items.updated_at - order_items.created_at")
   end
+
+  def ordered?
+    orders != []
+  end
 end

app/views/merchants/items/edit.html.erb

@@ -0,0 +1 @@
+<%= render 'shared/item_form', form_type: "Edit" %>

app/views/merchants/items/index.html.erb

@@ -0,0 +1,4 @@
+<%= link_to "Add Item", new_dashboard_item_path%>
+<% @items.each do |item|%>
+  <%= render 'shared/merchant_item', item:item%>
+<%end%>

app/views/merchants/items/new.html.erb

@@ -0,0 +1 @@
+<%= render 'shared/item_form', form_type: "Create" %>

app/views/shared/_item_form.html.erb

@@ -0,0 +1,33 @@
+<% if @item.errors.any? %>
+<ul>
+  <% @item.errors.full_messages.each do |msg| %>
+  <li><%= msg %></li>
+  <% end %>
+</ul>
+<% end %>
+
+<%= form_for [:dashboard, @item] do |f| %>
+<p>
+  <%= f.label :name %>
+  <%= f.text_field :name %>
+</p>
+<p>
+  <%= f.label :description%>
+  <%= f.text_field :description %>
+</p>
+<p>
+  <%= f.label :image_url, "Image URL"%>
+  <%= f.text_field :image_url %>
+</p>
+<p>
+  <%= f.label :current_price, "Price" %>
+  <%= f.text_field :current_price %>
+</p>
+<p>
+  <%= f.label :quantity%>
+  <%= f.number_field :quantity %>
+</p>
+
+  <%= f.submit "#{form_type} Item" %>
+
+<% end %>

app/views/shared/_merchant_item.html.erb

@@ -0,0 +1,17 @@
+<div id=<%="merchant-item-#{item.id}"%>>
+  <div id=item-id><%=item.id%></div>
+  <img src=<%=item.image_url%> height=20px width=20px/>
+  <div id=item-name><%=item.name%></div>
+  <div id=item-quantity><%=item.quantity%></div>
+  <div id=item-price><%=item.current_price%></div>
+  <%= link_to "Edit", edit_dashboard_item_path(item)%>
+  <%unless item.ordered? %>
+    <%= button_to "Delete", dashboard_item_path(item), method: :delete %>
+  <%end%>
+
+  <% if item.enabled %>
+    <%= button_to "Disable", dashboard_item_path(item, enabled:false), method: :patch  %>
+  <% else %>
+    <%= button_to "Enable", dashboard_item_path(item, enabled:true), method: :patch %>
+  <%end%>
+</div>

config/routes.rb

@@ -18,6 +18,11 @@
   end
   get '/profile', to: "users#show", as: 'profile'
   get '/profile/edit', to: "users#edit", as: 'edit_profile'
+  # get '/dashboard/items', to: "merchants/items#index"
+  scope :dashboard, module: :merchants, as: :dashboard do
+    resources :items, only: [:index, :destroy, :update, :new, :create, :edit]
+
+  end
 
   get '/dashboard/items', to: "merchants/items#index"
   get '/dashboard', to: 'merchants/orders#index'

db/migrate/20190401221059_create_items.rb

@@ -3,7 +3,7 @@ def change
     create_table :items do |t|
       t.string :name
       t.string :description
-      t.string :image_url
+      t.string :image_url, default: 'http://www.spore.com/static/image/500/404/515/500404515704_lrg.png'
       t.integer :quantity
       t.money :current_price
       t.boolean :enabled, default: true

db/schema.rb

@@ -18,7 +18,7 @@
   create_table "items", force: :cascade do |t|
     t.string "name"
     t.string "description"
-    t.string "image_url"
+    t.string "image_url", default: "http://www.spore.com/static/image/500/404/515/500404515704_lrg.png"
     t.integer "quantity"
     t.money "current_price", scale: 2
     t.boolean "enabled", default: true

spec/features/merchants/items/delete_spec.rb

@@ -0,0 +1,25 @@
+require 'rails_helper'
+
+RSpec.describe 'Merchant Item Index', type: :feature do
+  before :each do
+    @merchant = create(:merchant)
+    @items = create_list(:item,2,  user: @merchant)
+    @inactive_item = create(:inactive_item, user: @merchant)
+
+    @order_items_1 = create_list(:order_item, 3, item:@items[0])
+    @order_item_inactive = create(:order_item, item:@inactive_item)
+
+    allow_any_instance_of(ApplicationController).to receive(:current_user).and_return(@merchant)
+  end
+
+  it 'can delete an item which has not been ordered' do
+    visit dashboard_items_path
+    within "#merchant-item-#{@items[1].id}" do
+      click_button "Delete"
+    end
+
+    expect(page).to have_content("#{@items[1].name} Deleted")
+    expect(page).not_to have_selector('div', id:"merchant-item-#{@items[1].id}")
+  end
+
+end

spec/features/merchants/items/index_spec.rb

@@ -0,0 +1,74 @@
+require 'rails_helper'
+
+RSpec.describe 'Merchant Item Index', type: :feature do
+  before :each do
+    @merchant = create(:merchant)
+    @items = create_list(:item,2,  user: @merchant)
+    @inactive_item = create(:inactive_item, user: @merchant)
+
+    @order_items_1 = create_list(:order_item, 3, item:@items[0])
+    @order_item_inactive = create(:order_item, item:@inactive_item)
+
+    allow_any_instance_of(ApplicationController).to receive(:current_user).and_return(@merchant)
+  end
+
+  it 'has an item index page displaying all items' do
+    visit dashboard_items_path
+
+    expect(page).to have_selector('div', id:"merchant-item-#{@items[0].id}")
+    expect(page).to have_selector('div', id:"merchant-item-#{@items[1].id}")
+    expect(page).to have_selector('div', id:"merchant-item-#{@inactive_item.id}")
+  end
+
+end
+
+RSpec.describe 'Merchant_Item partial', type: :view do
+  before :each do
+    @active_unordered_item = create(:item)
+    @inactive_item = create(:inactive_item)
+    @ordered_item = create(:item)
+    @order_item = create(:order_item, item: @ordered_item)
+  end
+  it 'shows all item information' do
+    render 'shared/merchant_item', item:@active_unordered_item
+
+    expect(rendered).to have_selector('div', id:"merchant-item-#{@active_unordered_item.id}")
+    expect(rendered).to have_selector('div', id: 'item-id', text: @active_unordered_item.id)
+    expect(rendered).to have_selector('div', id: 'item-name', text: @active_unordered_item.name)
+    expect(rendered).to have_selector('div', id: 'item-price', text: @active_unordered_item.current_price)
+    expect(rendered).to have_selector('div', id: 'item-quantity', text: @active_unordered_item.quantity)
+    expect(rendered).to have_xpath("//img[@src='#{@active_unordered_item.image_url}']")
+  end
+
+  it 'gives an edit button' do
+    render 'shared/merchant_item', item:@active_unordered_item
+
+    expect(rendered).to have_link("Edit", href:edit_dashboard_item_path(@active_unordered_item))
+  end
+
+  it 'Correctly shows disable button' do
+    render 'shared/merchant_item', item:@active_unordered_item
+
+    expect(rendered).to have_button("Disable")
+    expect(rendered).not_to have_button("Enable")
+  end
+
+  it 'Correctly shows enable button' do
+    render 'shared/merchant_item', item:@inactive_item
+
+    expect(rendered).not_to have_button("Disable")
+    expect(rendered).to have_button("Enable")
+  end
+
+  it 'Shows delete button when appropriate' do
+    render 'shared/merchant_item', item:@active_unordered_item
+
+    expect(rendered).to have_button("Delete")
+  end
+
+  it 'Does not show delete button when not appropriate' do
+    render 'shared/merchant_item', item:@ordered_item
+
+    expect(rendered).not_to have_button("Delete")
+  end
+end