justinwiley · January 26, 2012 19:46 · Jan 26, 2012 · Jan 26, 2012 · Jan 26, 2012 · Jan 26, 2012
diff --git a/dci-rest-creation.rb b/dci-rest-creation.rb
@@ -1,37 +1,105 @@
+
 # ---role
 
-module BookSeller
-  def create_book(params)
-    self.books.create! params
+module BookCreater
+  def create_book(attrs)
+    self.books.create! attrs
+  end
+end
+
+module BookUpdater
+  def update_book(book_id,attrs)
+    book = self.books.find(book_id)
+    book.update_attributes attrs
+  end
+end
+
+module BookViewer
+  def my_books
+    self.books
+  end
+end
+
+module BookDeleter
+  def delete_book(id)
+    self.books.find(id).destroy
   end
 end
 
 # ---context
 
-class AddingBookContext
+class BookModifyingContext
   attr_accessor :user, :book
-
   def initialize(user_id)
     @user = User.find(user_id)
+  end
+end
+
+class AddingBookContext < BookModifyingContext
+  def initialize
+    super
     @book = Book.new(:user => @user)
-    @user.extend BookSeller
+    @user.extend BookCreater
+  end
+  def execute(attrs)
+    @user.create_book(attrs)
   end
+end
 
-  def execute(params)
-    @user.create_book(params)
+class UpdateBookContext < BookModifyingContext
+  def initialize
+    @user.extend BookUpdater
+  end
+
+  def execute(id,attrs)
+    @user.update_book(id,attrs)
+  end
+end
+
+class DeletingBookContext < BookModifyingContext
+  def initialize
+    @user.extend BookDeleter
+  end
+
+  def execute(id)
+    @user.delete_book(id)
+  end
+end
+
+class ViewingBookContext < BookModifyingContext
+  def initialize
+    @user.extend BookViewer
+  end
+
+  def execute
+    @user.my_books
   end
 end
 
 # ---controller
 
 class BookController < ApplicationController
-  before_filter :create_context, :only => [:new,:create]
+  before_filter :set_context, :only => [:new,:create]
+  def index
+    context = DeletingBookContext.new(params[:id])
+    context.execute params[:book][:id]
+  end
   def new
     @book = @adding_book_context.book
   end
 
   def create
-    @adding_book_context.execute(params)
+    @adding_book_context.execute(params[:book])
+  end
+
+  def update
+    context = UpdateBookContext.new(params[:id],params[:book])
+    context.execute params[:book]
+  end
+
+  def destroy
+    context = DeletingBookContext.new(params[:id])
+    context.execute params[:book][:id]
   end
 
   private

diff --git a/dci-rest-creation.rb b/dci-rest-creation.rb
@@ -24,7 +24,6 @@ def execute(params)
 
 # ---controller
 
-
 class BookController < ApplicationController
   before_filter :create_context, :only => [:new,:create]
   def new

diff --git a/dci-rest-creation.rb b/dci-rest-creation.rb
@@ -1,10 +1,12 @@
----role
+# ---role
 
 module BookSeller
-  def no_purpose; raise TearfullLament; end;
+  def create_book(params)
+    self.books.create! params
+  end
 end
 
----context
+# ---context
 
 class AddingBookContext
   attr_accessor :user, :book
@@ -16,11 +18,11 @@ def initialize(user_id)
   end
 
   def execute(params)
-    @book.update_attributes(@bookparams)
+    @user.create_book(params)
   end
 end
 
----controller
+# ---controller
 
 
 class BookController < ApplicationController

diff --git a/dci-rest-creation.rb b/dci-rest-creation.rb
@@ -1,6 +1,7 @@
 ---role
 
 module BookSeller
+  def no_purpose; raise TearfullLament; end;
 end
 
 ---context

diff --git a/dci-rest-creation.rb b/dci-rest-creation.rb
@@ -0,0 +1,39 @@
+---role
+
+module BookSeller
+end
+
+---context
+
+class AddingBookContext
+  attr_accessor :user, :book
+
+  def initialize(user_id)
+    @user = User.find(user_id)
+    @book = Book.new(:user => @user)
+    @user.extend BookSeller
+  end
+
+  def execute(params)
+    @book.update_attributes(@bookparams)
+  end
+end
+
+---controller
+
+
+class BookController < ApplicationController
+  before_filter :create_context, :only => [:new,:create]
+  def new
+    @book = @adding_book_context.book
+  end
+
+  def create
+    @adding_book_context.execute(params)
+  end
+
+  private
+    def create_context
+      @adding_book_context = AddingBookContext.new(current_user.id)
+    end
+end