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April 9, 2012 19:56
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class Bill < ActiveRecord::Base | |
belongs_to :customer | |
attr_accessible :amount, :date_due, :paid | |
validates :amount, presence: true | |
validates :date_due, presence: true | |
before_create :default_values | |
before_save :update_date_paid | |
after_save :update_history | |
def default_values | |
self.paid ||= false | |
true # Don't prevent save by returning false. | |
end | |
scope :pending, where(:paid => false) | |
scope :overdue, pending.where('date_due < ?', Date.today) | |
def self.find_paid | |
where(:paid => true) | |
end | |
def update_date_paid | |
if self.paid && self.date_paid.nil? | |
write_attribute(:date_paid, Time.now) | |
elsif !self.paid && !self.date_paid.nil? | |
write_attribute(:date_paid, nil) | |
end | |
end | |
def update_history | |
History.add_entry('bills', self.id, self.previous_changes) | |
end | |
end | |
# == Schema Information | |
# | |
# Table name: bills | |
# | |
# id :integer not null, primary key | |
# customer_id :integer | |
# amount :integer | |
# date_paid :datetime | |
# paid :boolean | |
# created_at :datetime not null | |
# updated_at :datetime not null | |
# date_due :date | |
# |
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# app/views/customers/index.erb.html | |
<h1>Listing customers</h1> | |
<table class="table table-striped sortable"> | |
<thead> | |
<tr> | |
<th>Name</th> | |
<th>Address</th> | |
<th>County</th> | |
<th>State</th> | |
<th>Zip</th> | |
<th></th> | |
<th></th> | |
</tr> | |
</thead> | |
<% @customers.each do |customer| %> | |
<tr> | |
<td><%= link_to customer.name, customer %> | |
<% if !customer.active %><span class="label">Inactive</span><% end %> | |
<% if customer.bills.overdue.any? %><span class="label label-important">Overdue</span><% end %> | |
</td> | |
<td><%= customer.address %></td> | |
<td><%= customer.county %></td> | |
<td><%= customer.state %></td> | |
<td><%= customer.zip %></td> | |
<td><%= link_to 'Edit', edit_customer_path(customer) %></td> | |
<td><%= link_to 'Destroy', customer, confirm: 'Are you sure?', method: :delete %></td> | |
</tr> | |
<% end %> | |
</table> | |
<%= link_to 'New Customer', new_customer_path, class: 'btn' %> |
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