zad6

zad6/app/controllers/customers_controller.rb

@@ -0,0 +1,6 @@
+class CustomersController < ApplicationController
+  def index
+    @customers = Customer.all
+  end
+
+end

zad6/app/controllers/products_controller.rb

@@ -0,0 +1,6 @@
+class ProductsController < ApplicationController
+  def index
+    @customer = Customer.find_by!(id: params[:customer_id])
+    @products = @customer.products.sorted
+  end
+end

zad6/app/models/category.rb

@@ -0,0 +1,4 @@
+class Category < ApplicationRecord
+    has_many :products, through: :category_product
+    validates :name, presence: true
+end

zad6/app/models/category_product.rb

@@ -0,0 +1,4 @@
+class CategoryProduct < ApplicationRecord
+    belongs_to :product
+    belongs_to :category
+end

zad6/app/models/customer.rb

@@ -0,0 +1,4 @@
+class Customer < ApplicationRecord
+    has_many :products
+    validates :name, presence: true
+end

zad6/app/models/product.rb

@@ -0,0 +1,9 @@
+class Product < ApplicationRecord
+  belongs_to :customer
+  has_many :categories, through: :category_product
+  validates :name, presence: true
+  validates :price, numericality: {greater_than: 0.00}
+
+  scope :sorted, -> { order(price: :desc, id: :asc)}
+
+end

zad6/app/views/customers/index.html.erb

@@ -0,0 +1,20 @@
+<div class="container">
+  <h2>All customers</h2>
+
+  <table class="table">
+    <thead>
+      <tr>
+        <th class="text-center">Name</th>
+        <th class="text-center">Mail</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @customers.each do |customer| %>
+        <tr>
+          <td><%= customer.name %></td>
+           <td><%= customer.mail %></td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+</div>

zad6/app/views/products/index.html.erb

@@ -0,0 +1,21 @@
+<div class="container">
+  <h2>Products (<%= @customer.name %>)</h2>
+
+  <table class="table">
+    <thead>
+      <tr>
+        <th class="text-center">Product Name</th>
+        <th class="text-center">Product Price</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @products.each do |p| %>
+        <tr>
+          <td><%= p.name %></td>
+           <td><%= p.price %></td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+</div>
+

zad6/config/routes.rb

@@ -1,3 +1,6 @@
 Rails.application.routes.draw do
+  resources :customers do
+    resources :products
+  end
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 end

zad6/db/migrate/20181209183630_create_products.rb

@@ -0,0 +1,12 @@
+class CreateProducts < ActiveRecord::Migration[5.2]
+  def change
+    create_table :products do |t|
+      t.string :name, null: false
+      t.decimal :price, precision: 10, scale: 2
+      t.text :description
+      t.belongs_to :customer, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end

zad6/db/migrate/20181209184023_create_customers.rb

@@ -0,0 +1,11 @@
+class CreateCustomers < ActiveRecord::Migration[5.2]
+  def change
+    create_table :customers do |t|
+      t.string :name, null: false
+      t.string :mail, null: false
+
+
+      t.timestamps
+    end
+  end
+end

zad6/db/migrate/20181209184902_create_categories.rb

@@ -0,0 +1,10 @@
+class CreateCategories < ActiveRecord::Migration[5.2]
+  def change
+    create_table :categories do |t|
+      t.string :name
+      t.text :descripton
+
+      t.timestamps
+    end
+  end
+end

zad6/db/migrate/20181209185037_create_category_products.rb

@@ -0,0 +1,9 @@
+class CreateCategoryProducts < ActiveRecord::Migration[5.2]
+  def change
+    create_table :category_products do |t|
+      t.belongs_to :product, index: true
+      t.belongs_to :category, index: true
+      t.timestamps
+    end
+  end
+end

zad6/db/schema.rb

@@ -0,0 +1,48 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 2018_12_09_194146) do
+
+  create_table "categories", force: :cascade do |t|
+    t.string "name"
+    t.text "descripton"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "category_products", force: :cascade do |t|
+    t.integer "product_id"
+    t.integer "category_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["category_id"], name: "index_category_products_on_category_id"
+    t.index ["product_id"], name: "index_category_products_on_product_id"
+  end
+
+  create_table "customers", force: :cascade do |t|
+    t.string "name", null: false
+    t.string "mail", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "products", force: :cascade do |t|
+    t.string "name", null: false
+    t.decimal "price", precision: 10, scale: 2
+    t.text "description"
+    t.integer "customer_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["customer_id"], name: "index_products_on_customer_id"
+  end
+
+end