first commit

Gemfile

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+# A Marejew Gemfile
+source "https://rubygems.org"
+
+# Gem names
+gem 'sinatra'
+gem 'sinatra-contrib'
+gem 'rakuten_web_service'
+gem 'sqlite3'
+gem 'active_record'
+gem 'slim'
+gem 'thin'

README.md

@@ -1,2 +1,9 @@
-marejew
-=======
+## Marejew
+
+# Marejewとは？
+Marejewは、OPACです。
+
+Marejewは、[マリアン・アダム・レイェフスキ](http://ja.wikipedia.org/wiki/%E3%83%9E%E3%83%AA%E3%82%A2%E3%83%B3%E3%83%BB%E3%83%AC%E3%82%A4%E3%82%A7%E3%83%95%E3%82%B9%E3%82%AD)という数学者が由来です。
+
+# ライセンス
+GPL v.2

app.rb

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+# -*- coding: utf-8 -*-
+# require 'bundler'
+#
+# Bundler.require
+# self.sinatra/base
+# self.slim
+# self.sinatra/reloader
+# self.thin
+# require './db'
+
+require 'sinatra/base'
+require 'slim'
+require 'sinatra/reloader'
+require 'thin'
+require './db'
+
+module Marejew2
+  class Application < Sinatra::Base
+    enable :sessions
+    get "/" do
+      @title = "Home"
+      @active = "home"
+      slim :index
+    end
+
+    get "/lend" do
+      @title = "貸出"
+      @active = "lend"
+      slim :lend
+    end
+
+    get "/return" do
+      @title = "返却"
+      @active = "return"
+      slim :return
+    end
+
+    post "/lend_second" do
+      users_id = params[:users_id]
+      session[:users_id] = nil
+      if Database::Search.user?(users_id) && Database::Search.book_limit?(users_id)
+	puts "OK"
+	session[:users_id] = users_id
+	@title = "貸出"
+	@active = "lend"
+	slim :lend_second
+      else
+	redirect :lend
+      end
+    end
+
+    post "/lend_finished" do
+      books_number = params[:books_number]
+      if session[:users_id]
+        if Database::Search.book?(books_number) && !Database::Search.lend?(books_number)
+          Database::Add.lend(session[:users_id], books_number)
+	  Database::Add.book_limit(session[:users_id])
+	  @title = "貸出完了"
+	  @active = "lend"
+	  slim :lend_finished
+	else
+	  redirect :lend
+	end
+      else
+	redirect :lend
+      end
+    end
+
+    post "/return_finished" do
+      books_number = params[:books_number]
+      if Database::Search.lend?(books_number)
+	users_id = Database::Delete.lend(books_number)
+	Database::Delete.book_limit(users_id)
+	@title = "返却完了"
+	@active = "return"
+	slim :return_finished
+      else
+	redirect :return
+      end
+    end
+  end
+end

config.ru

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+require 'sinatra'
+require 'sinatra/reloader'
+require 'slim'
+require 'thin'
+$LOAD_PATH << File.dirname(__FILE__)
+require 'app'
+run Marejew2::Application

db.rb

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+# -*- coding: utf-8 -*-
+# require 'bundler'
+#
+# Bundler.require
+# self.active_record
+# self.rakuten_web_service
+# require 'date'
+# require 'yaml'
+
+require 'rakuten_web_service'
+require 'active_record'
+require 'date'
+require 'yaml'
+
+ActiveRecord::Base.establish_connection(
+  :adapter => "sqlite3",
+  :database => "./db/marejew.db"
+  )
+
+class Users < ActiveRecord::Base
+end
+
+class Books < ActiveRecord::Base
+end
+
+class Lendbooks < ActiveRecord::Base
+end
+
+module Database
+  class Add
+    class << self
+      def user(users_name, users_class)
+	Users.create(name: users_name, uclass: users_class, booklimit: 0)
+      end
+
+      def book(books_title, books_author, books_publisher, isbn)
+	Books.create(title: books_title, author: books_author, publisher: books_publisher, isbn: isbn)
+      end
+
+      def isbn_book(isbn)
+	rakuten_id = [application_id: "", affiliate_id: ""]
+	RakutenWebService.configuration do |c|
+	  c.application = rakuten_id[:application_id]
+	  c.affiliate_id = rakuten_id[:affiliate_id]
+	end
+	books = RakutenWebService::Books::Book.search(isbn: isbn)
+	books.each do |book|
+	  title = book["title"]
+	  author = book["author"]
+	  publisher_name = book["publisherName"]
+	  isbn = book["isbn"]
+	  Books.create(title: title, author: author, publisher: publisher_name, isbn: isbn)
+	end
+      end
+
+      def lend(users_id, books_number)
+	lend_day = Date.today
+	return_day = lend_day + 7
+
+	lend = Lendbooks.new do |l|
+	  l.users_id = users_id
+	  l.books_id = books_number
+	  l.lendday = lend_day.to_s
+	  l.returnday = return_day.to_s
+	end
+	lend.save
+      end
+
+      def book_limit(users_id)
+	users = Users.find(users_id)
+	book_limit = users[:booklimit]
+	book_limit += 1
+	Users.update(users_id, booklimit: book_limit)
+      end
+    end
+  end
+
+  class Search
+    class << self
+      def user?(users_id)
+	if Users.where(id: users_id)
+	  true
+	else
+	  false
+	end
+      end
+
+      def book?(books_number)
+	if Books.find_by_id(books_number)
+	  true
+	else
+	  false
+	end
+      end
+
+      def lend?(books_number)
+	if Lendbooks.find_by_books_id(books_number)
+	  true
+	else
+	  false
+	end
+      end
+
+      def book_limit?(users_id)
+	begin
+	  record = Users.find_by_id(users_id)
+	  if record == nil
+	    false
+	  end
+	  books_limit = record[:booklimit]
+	  books_limit += 1
+	  if books_limit <= 2
+	    true
+	  else
+	    false
+	  end
+	rescue
+	  false
+	end
+      end
+    end
+  end
+
+  class Delete
+    class << self
+      def user(users_id)
+	user = Users.find(users_id)
+	user.destroy
+      end
+
+      def book(book_number)
+	book = Books.find(book_number)
+	book.destroy
+      end
+
+      def lend(books_number)
+	lend = Lendbooks.find(books_number)
+	lend.destroy
+	return lend[:users_id]
+      end
+
+      def book_limit(users_id)
+	users = Users.find(users_id)
+	book_limit = users[:booklimit]
+	book_limit -= 1
+	Users.update(users_id, booklimit: book_limit)
+      end
+    end
+  end
+end
+p Users.all
+p Books.all
+p Lendbooks.all

db/setting.sql

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+create table users (
+    id integer primary key,
+    name text,
+    uclass text,
+    booklimit integer,
+    created_at,
+    updated_at
+);
+
+create table books (
+    id integer primary key,
+    title text,
+    author text,
+    publisher text,
+    isbn text,
+    created_at,
+    updated_at
+);
+
+create table lendbooks (
+    id integer primary key,
+    books_id integer,
+    users_id integer,
+    lendday text,
+    returnday text,
+    created_at,
+    updated_at
+);