Starter code and notes for session

Author: tannerwelsh

session-notes/2015-02-17/README.md

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+# Fundamentals of Web Development
+
+**February 17, 2015**
+
+## User Authentication and Authorization
+
+We'll build out the user layer of a blog app.
+
+There will be three kinds of users: admins, authors, and readers.
+
+Each kind of user will have different levels of access (i.e. authorization levels).

session-notes/2015-02-17/bloggy/.gitignore

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+*.db

session-notes/2015-02-17/bloggy/Gemfile

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+source 'https://rubygems.org'
+
+gem 'data_mapper'
+gem 'sinatra'
+
+gem 'faker'

session-notes/2015-02-17/bloggy/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.3.7)
+    bcrypt (3.1.10)
+    bcrypt-ruby (3.1.5)
+      bcrypt (>= 3.1.3)
+    data_mapper (1.2.0)
+      dm-aggregates (~> 1.2.0)
+      dm-constraints (~> 1.2.0)
+      dm-core (~> 1.2.0)
+      dm-migrations (~> 1.2.0)
+      dm-serializer (~> 1.2.0)
+      dm-timestamps (~> 1.2.0)
+      dm-transactions (~> 1.2.0)
+      dm-types (~> 1.2.0)
+      dm-validations (~> 1.2.0)
+    dm-aggregates (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-constraints (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-core (1.2.1)
+      addressable (~> 2.3)
+    dm-migrations (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-serializer (1.2.2)
+      dm-core (~> 1.2.0)
+      fastercsv (~> 1.5)
+      json (~> 1.6)
+      json_pure (~> 1.6)
+      multi_json (~> 1.0)
+    dm-timestamps (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-transactions (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-types (1.2.2)
+      bcrypt-ruby (~> 3.0)
+      dm-core (~> 1.2.0)
+      fastercsv (~> 1.5)
+      json (~> 1.6)
+      multi_json (~> 1.0)
+      stringex (~> 1.4)
+      uuidtools (~> 2.1)
+    dm-validations (1.2.0)
+      dm-core (~> 1.2.0)
+    faker (1.4.3)
+      i18n (~> 0.5)
+    fastercsv (1.5.5)
+    i18n (0.7.0)
+    json (1.8.2)
+    json_pure (1.8.2)
+    multi_json (1.10.1)
+    rack (1.6.0)
+    rack-protection (1.5.3)
+      rack
+    sinatra (1.4.5)
+      rack (~> 1.4)
+      rack-protection (~> 1.4)
+      tilt (~> 1.3, >= 1.3.4)
+    stringex (1.5.1)
+    tilt (1.4.1)
+    uuidtools (2.1.5)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  data_mapper
+  faker
+  sinatra

session-notes/2015-02-17/bloggy/bloggy.rb

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+require './database.rb'
+
+require 'sinatra'

session-notes/2015-02-17/bloggy/database.rb

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+require 'data_mapper'
+
+DataMapper.setup(:default, 'sqlite:bloggy.db')
+
+class Blog
+  include DataMapper::Resource
+
+  property :id, Serial
+  property :title, String, required: true, unique: true
+  property :content, Text, default: 'Write a blog post!'
+  property :created_at, DateTime, required: true
+
+  belongs_to :author, 'User'
+
+  before :create do
+    self.created_at = DateTime.now
+  end
+end
+
+class User
+  include DataMapper::Resource
+
+  property :id, Serial
+  property :username, String, required: true, unique: true
+
+  has n, :blogs, parent_key: [:id], child_key: [:author_id]
+end
+
+DataMapper.finalize
+DataMapper.auto_upgrade!

session-notes/2015-02-17/bloggy/seed.rb

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+require 'database'