1 files changed, 48 insertions, 0 deletions
diff --git a/app/models/person.rb b/app/models/person.rb
new file mode 100644
index 0000000..26fa61f
--- /dev/null
+++ b/app/models/person.rb
@@ -0,0 +1,48 @@
+require "digest/md5"
+
+class Person < ActiveRecord::Base
+  set_table_name "person"
+  belongs_to :admin
+  has_many :location
+
+  attr_protected :password
+  
+  validates_presence_of :email, :password, :firstname, :lastname 
+  validates_uniqueness_of  :email
+
+  validates_format_of :email,
+      :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i ,
+      :on => :create
+
+
+  # operator overloading for updating passwords
+  def password=(str) 
+    write_attribute(:password, Digest::MD5.hexdigest(str)) 
+  end
+
+
+  def self.authenticate(user_name, password)
+    return Person.find( :first, :conditions =>
+                      ["email = BINARY ? AND password = BINARY ?",
+                      user_name,
+                      Digest::MD5.hexdigest(password)] )
+  end
+
+  def self.revoke_pass(email)
+    password = newpass( 8 )
+    person = Person.find( :first,
+                          :conditions => [ "email = ?", email] )
+    #
+
+  end
+
+private
+  # generate alphanumeric password
+  def newpass( len )
+    chars = ("a".."z").to_a + ("A".."Z").to_a + ("1".."9").to_a
+    newpass = ""
+    1.upto(len) { |i| newpass << chars[rand(chars.size-1)] }
+    return newpass
+  end
+
+end