bookstore final code

bookshop_final/app.rb

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+require( 'sinatra' )
+require( 'sinatra/contrib/all' )
+require_relative('controllers/authors_controller')
+require_relative('controllers/books_controller')
+
+get '/' do
+  erb( :index )
+end
+

bookshop_final/controllers/authors_controller.rb

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+require('sinatra')
+require('sinatra/contrib/all')
+require('pry-byebug')
+require_relative('../models/author.rb')
+
+# INDEX - READ  
+get '/authors' do
+  @authors = Author.all()
+  erb ( :"authors/index" )
+end
+
+# NEW - CREATE
+get '/authors/new' do
+  erb( :"authors/new" )
+end
+
+# CREATE 
+post '/authors' do
+  @authors = Author.new(params)
+  @authors.save()
+  redirect '/authors'
+end
+
+# DESTROY 
+post '/authors/:id/delete' do
+  @author = Author.find( params[:id] )
+  @author.delete()
+  erb( :"authors/destroy")
+end
+
+# EDIT
+get '/authors/:id/edit' do
+  @author = Author.find( params[:id] )
+  erb( :"authors/edit")
+end
+
+## SHOW
+get '/authors/:id' do 
+  @author = Author.find( params[:id] )
+  erb( :"authors/show" )
+end
+
+# EDIT
+get '/authors/:id/edit' do
+  @author = Author.find( params[:id] )
+  erb( :"books/author")
+end
+
+# UPDATE
+post '/authors/:id' do 
+  @author = Author.new( params )
+  @author.update()
+  erb( :"authors/update")
+end
+
+# DELETE
+post '/authors/:id/delete' do
+  @author = Book.find( params[:id] )
+  @author.delete()
+  erb( :"authors/destroy")
+end

bookshop_final/controllers/books_controller.rb

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+require('sinatra')
+require('sinatra/contrib/all')
+require('pry-byebug')
+require_relative('../models/book.rb')
+require_relative('../models/author.rb')
+
+# READ  
+get '/books' do
+  @books = Book.all()
+  erb ( :"books/index" )
+end
+
+# CREATE 
+get '/books/new' do
+  @books = Book.all()
+  @authors = Author.all()
+  erb( :"books/new" )
+end
+
+# CREATE 
+post '/books' do
+  @books = Book.new(params)
+  @books.save()
+  redirect '/books'
+end
+
+# SHOW
+get '/books/:id' do 
+  @book = Book.find( params[:id] )
+  erb( :"books/show" )
+end
+
+# EDIT
+get '/books/:id/edit' do
+  @book = Book.find( params[:id] )
+  erb( :"books/edit")
+end
+
+# UPDATE
+post '/books/:id' do 
+  @book = Book.new( params )
+  @book.update()
+  erb( :"books/update")
+end
+
+# DELETE
+post '/books/:id/delete' do
+  @book = Book.find( params[:id] )
+  @book.delete()
+  erb( :"books/destroy")
+end
+
+
+

bookshop_final/db/bookshop.sql

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+DROP TABLE books;
+DROP TABLE authors;
+
+CREATE TABLE authors
+(
+  id SERIAL8 PRIMARY KEY,
+  first_name VARCHAR(255),
+  last_name VARCHAR(255)
+);
+
+CREATE TABLE books
+(
+  id SERIAL8 PRIMARY KEY,
+  title VARCHAR(255),
+  quantity INT4,
+  buy_price REAL,
+  sell_price REAL,
+  author_id INT4 REFERENCES authors(id) 
+);

bookshop_final/db/seeds.rb

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+require_relative( '../models/author.rb' )
+require_relative( '../models/book.rb' )
+require('pry-byebug')
+
+Book.delete_all()
+Author.delete_all()
+
+author1 = Author.new({
+  'first_name' => "Roald",
+  'last_name' => "Dahl"
+})
+
+author1.save()
+
+author2 = Author.new({
+  'first_name' => "David",
+  'last_name' => "McKee"
+})
+
+author2.save()
+
+author3 = Author.new({
+  'first_name' => "Ian",
+  'last_name' => "Whybrow"
+})
+
+author3.save()
+
+author4 = Author.new({
+  'first_name' => "Julia",
+  'last_name' => "Donaldson"
+})
+
+author4.save()
+
+book1 = Book.new({
+  'title' => "The Enormous Crocodile",
+  'quantity' => 30,
+  'buy_price' => 5.99,
+  'sell_price' => 6.99,
+  'author_id' => author1.id
+})
+
+book1.save()
+
+book2 = Book.new({
+  'title' => "James and the Giant Peach",
+  'quantity' => 25,
+  'buy_price' => 7.99,
+  'sell_price' => 8.99,
+  'author_id' => author1.id
+})
+
+book2.save()
+
+book3 = Book.new({
+  'title' => "Charlie and the Chocolate Factory",
+  'quantity' => 35,
+  'buy_price' => 9.99,
+  'sell_price' => 10.99,
+  'author_id' => author1.id
+})
+
+book3.save()
+
+book4 = Book.new({
+  'title' => "The Fantastic Mr Fox",
+  'quantity' => 35,
+  'buy_price' => 11.99,
+  'sell_price' => 12.99,
+  'author_id' => author1.id
+})
+
+book4.save()
+
+book5 = Book.new({
+  'title' => "Elmer the Patchwork Elephant",
+  'quantity' => 15,
+  'buy_price' => 13.99,
+  'sell_price' => 14.99,
+  'author_id' => author2.id
+})
+
+book5.save()
+
+book6 = Book.new({
+  'title' => "Elmer and Super El",
+  'quantity' => 15,
+  'buy_price' => 15.99,
+  'sell_price' => 16.99,
+  'author_id' => author2.id
+})
+
+book6.save()
+
+book7 = Book.new({
+  'title' => "Elmer and Wilbur",
+  'quantity' => 15,
+  'buy_price' => 17.99,
+  'sell_price' => 18.99,
+  'author_id' => author2.id
+})
+
+book7.save()
+
+book8 = Book.new({
+  'title' => "Harry and the Dinosaurs at the Museum",
+  'quantity' => 35,
+  'buy_price' => 19.99,
+  'sell_price' => 20.99,
+  'author_id' => author3.id
+})
+
+book8.save()
+
+book9 = Book.new({
+  'title' => "Harry and the Dinosaurs Go Wild",
+  'quantity' => 35,
+  'buy_price' =>21.99,
+  'sell_price' => 22.99,
+  'author_id' => author3.id
+})
+
+book9.save()
+
+book10 = Book.new({
+  'title' => "Harry and the Dinosaurs United",
+  'quantity' => 3,
+  'buy_price' => 23.99,
+  'sell_price' => 24.99,
+  'author_id' => author3.id
+})
+
+book10.save()
+
+book11 = Book.new({
+  'title' => "The Gruffalo",
+  'quantity' => 6,
+  'buy_price' => 23.99,
+  'sell_price' => 24.99,
+  'author_id' => author4.id
+})
+
+book11.save()
+
+book12 = Book.new({
+  'title' => "What the Ladybird Said",
+  'quantity' => 6,
+  'buy_price' => 23.99,
+  'sell_price' => 24.99,
+  'author_id' => author4.id
+})
+
+book12.save()
+
+book13 = Book.new({
+  'title' => "Postman Bear",
+  'quantity' => 7,
+  'buy_price' => 13.99,
+  'sell_price' => 14.99,
+  'author_id' => author4.id
+})
+
+book13.save()
+
+book14 = Book.new({
+  'title' => "Hide and Seek Pig",
+  'quantity' => 7,
+  'buy_price' => 12.99,
+  'sell_price' => 13.99,
+  'author_id' => author4.id
+})
+
+book14.save()
+
+
+binding.pry
+nil

bookshop_final/db/sql_runner.rb

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+require( 'pg' )
+
+class SqlRunner
+
+  def self.run( sql )
+    begin
+      db = PG.connect({ dbname: 'bookshop', host: 'localhost' })
+      result = db.exec( sql )
+    ensure
+      db.close
+    end
+    return result
+  end
+
+end