mailr/app/models/contact.rb

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require 'cdfutils'
require_association 'contact_group'
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class Contact < ActiveRecord::Base
validate :check_fname_and_lname, :check_mail_cannot_be_changed
validate :check_email, :on => :create
has_and_belongs_to_many :groups, :class_name => "ContactGroup", :join_table => "contact_contact_groups", :association_foreign_key => "contact_group_id", :foreign_key => "contact_id"
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# Finder methods follow
def Contact.find_by_user(user_id)
find(:all, :conditions => ["customer_id = ?", user_id], :order => "fname asc", :limit => 10)
end
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def Contact.find_by_user_email(user_id, email)
find(:first, :conditions => ["customer_id = #{user_id} and email = ?", email])
end
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def Contact.find_by_group_user(user_id, grp_id)
result = Array.new
find(:all, :conditions => ["customer_id = ?", user_id], :order => "fname asc").each { |c|
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begin
c.groups.find(grp_id)
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result << c
rescue ActiveRecord::RecordNotFound
end
}
result
end
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scope :for_customer, lambda{ |customer_id| {:conditions => {:customer_id => customer_id}} }
scope :letter, lambda{ |letter| {:conditions => ["contacts.fname LIKE ?", "#{letter}%"]} }
def Contact.find_by_user_letter(user_id, letter)
find_by_sql("select * from contacts where customer_id=#{user_id} and substr(UPPER(fname),1,1) = '#{letter}' order by fname")
end
def full_name
"#{fname}&nbsp;#{lname}"
end
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def show_name
"#{fname} #{lname}"
end
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def full_address
"#{fname} #{lname}<#{email}>"
end
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protected
def check_fname_and_lname
errors.add 'fname', t(:validate_fname_error) unless self.fname =~ /^.{2,20}$/i
errors.add 'lname', t(:validate_lname_error) unless self.lname =~ /^.{2,20}$/i
end
def check_mail_cannot_be_changed
# Contact e-mail cannot be changed
unless self.new_record?
old_record = Contact.find(self.id)
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errors.add 'email', t(:contact_cannot_be_changed) unless old_record.email == self.email
end
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end
def check_mail
# Contact e-mail cannot be changed, so we only need to validate it on create
errors.add 'email', t(:validate_email_error) unless valid_email?(self.email)
# Already existing e-mail in contacts for this user is not allowed
if self.new_record?
if Contact.find :first, :conditions => {:email => email, :customer_id => customer_id}
errors.add('email', I18n.t(:email_exists))
end
end
end
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end