photo_email.rb

class PhotoEmail < ActiveRecord::Base

  belongs_to :doctor
  belongs_to :kase
  belongs_to :photo_email_status

  has_many :photos


  # Creates a new PhotoEmail from and incoming email
  def self.create_from_mail_handler email, mms
    pemail = self.new( :subject => mms.subject.gsub(/[Ff][Ww]\W/,'').strip,
                       :sender => email.from.first.strip,
                       :body => mms.body.strip )
    pemail.save!
  end

  # Finds similar emails based on the subject
  def self.find_similar email
    substring = split_subject.inject('') do |t,s|
      t << "subject LIKE '%#{s}%' AND "
    end
    substring.chomp(' AND ')
    emails = PhotoEmail.find(:all, :conditions => substring)
    emails.delete(email)
    emails
  end

  # Tries to find and save a kase and a doctor
  def determine_and_save_kase_and_doc
    if (num = subject.match(/\d{6}/))
      kase = Kase.find_by_id('CN' + num[0].to_s)
      doc = kase.doctor if kase
      mm = 'Kase ID'
    else
      mm = case
        when doc = Doctor.find_by_id(subject1) : 'Doctor ID'
        when acc = Account.find_by_id(subject1) : doc = acc.doctor; 'Account ID'
        when doc = Doctor.find_with_name_like(subject1) : 'Doctor name'
        when email = Email.find_by_email(sender) : doc = email.doctor; 'Email'
      end
      kase = Kase.find_with_patient_like(subject2, doc.id) if doc && subject2
    end
    self.kase_id = kase.id if kase
    self.doctor_id = doc.id if doc
    self.matched_by = mm if mm
    self.save!
  end

  def split_subject
    terms = subject.split(/[,;:\/-]|[P|p]atient|[P|p]t\.?\s/)
    terms.delete_if {|s| s.length < 3 }
  end

  def subject1
    split_subject[0].strip
  end

  def subject2
    split_subject[1].strip
  end

 
end