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@robhurring robhurring/base_form.rb
Last active Aug 29, 2015

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Rails Form Models
# app/forms/base_form.rb
class BaseForm
include ActiveModel::Validations
include ActiveModel::Conversion
extend ActiveModel::Naming
def initialize(attributes = {})
attributes.each do |name, value|
send("#{name}=", value)
end
end
def persisted?
false
end
end
<%= form_for @signup, url: signup_path do |f| %>
<% if @signup.errors.any? %>
<div id="errorExplanation">
<h2><%= pluralize(@signup.errors.count, 'error') %> prohibited your signup:</h2>
<ul>
<% @signup.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
... you know how to do forms ...
<% end %>
# app/forms/signup.rb
class Signup < BaseForm
attr_accessor :company_name,
:subdomain,
:email,
:password,
:password_confirmation,
:first_name,
:last_name
validates :company_name, presence: true
validates :subdomain, presence: true, subdomain: true
validates :email, presence: true
validates :first_name, :last_name, presence: true
validates :password, presence: true, confirmation: true
attr_reader :user, :company
def save!
return false unless valid?
@company = Company.new(
name: company_name,
subdomain: subdomain
)
# bail out before creating schema so the user can correct any missing fields
unless company.valid?
company.errors.each do |attr, message|
errors.add attr, message
end
return false
end
if company.save!
# create a new schema for the company
Apartment::Database.create(subdomain)
Apartment::Database.switch(subdomain)
@user = User.new(
email: email,
password: password,
first_name: first_name,
last_name: last_name
)
user.enabled = true
user.build_profile # make a blank profile
# create the admin user
user.role = Role.where(name: 'System Administrator').first
user.save!
# load our post-create seeds into our schema
load_post_create_seeds!
user # return user to sign them in
end
end
private
def load_post_create_seeds!
silence_stream(STDOUT){ load_or_abort("#{Rails.root}/db/post-create-seeds.rb") }
end
def load_or_abort(file)
if File.exists?(file)
load(file)
else
abort %{#{file} doesn't exist yet}
end
end
end
# app/controllers/signups_controller.rb
class SignupsController < ApplicationController
respond_to :html
def new
@signup = Signup.new
respond_with @signup
end
def create
@signup = Signup.new(params[:signup])
if user = @signup.save!
sign_in user
end
respond_with @signup, location: root_url(subdomain: @signup.subdomain)
end
end
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