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class User < ActiveRecord::Base
before_save :default_values
has_and_belongs_to_many :tournaments_played, class_name: "Tournament", foreign_key: "player_id", join_table: "players_tournaments"
has_and_belongs_to_many :tournaments_hosted, class_name: "Tournament", foreign_key: "host_id", join_table: "hosts_tournaments"
has_and_belongs_to_many :teams
has_many :sessions
has_many :scores
has_many :remote_usernames
apply_simple_captcha
acts_as_messageable
before_save { self.email = email.downcase }
before_save { self.user_name = user_name }
def default_values
self.permissions ||= Server.first.default_user_permissions
end
def find_remote_username(game)
obj = remote_username.where(:game => game)
if obj.nil? and not game.parent.nil?
return find_remote_username(game.parent)
else
return obj.value
end
end
def self.permission_bits
return {
:create_tournament => (2**1),
:edit_tournament => (2**2),
:join_tournament => (2**3),
:delete_tournament => (2**4),
:create_game => (2**5),
:edit_game => (2**6),
:delete_game => (2**7),
:create_user => (2**8),
:edit_user => (2**9),
:delete_user => (2**10),
:create_alert => (2**11),
:edit_alert => (2**12),
:delete_alert => (2**13),
:create_pm => (2**14),
:edit_pm => (2**15),
:delete_pm => (2**16),
:create_session => (2**17),
:delete_session => (2**18),
:edit_permissions => (2**19),
:edit_server => (2**20),
}
end
def can?(action)
bit = User.permission_bits[action]
if bit.nil?
return false
else
return (self.permissions & bit != 0)
end
end
def add_ability(action)
bit = User.permission_bits[action.to_sym]
unless bit.nil?
self.permissions |= bit
end
end
def remove_ability(action)
bit = User.permission_bits[action.to_sym]
unless bit.nil?
self.permissions &= ~ bit
end
end
# A representation of the permission bits as a mock-array.
def abilities
@abilities ||= Abilities.new(self)
end
def abilities=(new)
new.each do |k,v|
if v == "0"
v = false
end
abilities[k] = v
end
end
# A thin array-like wrapper around the permission bits to make it
# easy to modify them using a form.
class Abilities
def initialize(user)
@user = user
end
def [](ability)
return @user.can?(ability)
end
def []=(ability, val)
if val
@user.add_ability(ability)
else
@user.remove_ability(ability)
end
end
def keys
User.permission_bits.keys
end
def method_missing(name, *args)
if name.to_s.ends_with?('=')
self[name.to_s.sub(/=$/, '').to_sym] = args.first
else
return self[name.to_sym]
end
end
end
# VAILD_EMAIL is the regex used to validate a user given email.
VALID_EMAIL_REG = /\A\S+@\S+\.\S+\z/i
# VALID_USER_NAME checks to make sure a user's user_name
# is in the proper format.
VALID_USER_NAME_REG = /\A[a-zA-Z0-9 _\-]+\z/
# The following lines put a user account through a series of
# validations in order to make sure all of their information
# is in the proper format.
#
# validates :symbol_to_be_validated
#
# - presence: determines whether or not a symbol is filled or not
# - length: ensures there is a length limit on the symbol
# - format: checks the format of given information to ensure
# validity
validates(:name, presence: true, length: { maximum: 50 })
validates(:email, presence: true, format: {with:
VALID_EMAIL_REG},
uniqueness: { case_sensitive: false })
validates(:user_name, presence: true, length:{maximum: 50},
format: {with: VALID_USER_NAME_REG },
uniqueness: {case_sensitive: false })
# Instead of adding password and password_confirmation
# attributes, requiring the presence of a password,
# requiring that pw and pw_com match, and add an authenticate
# method to compare an encrypted password to the
# password_digest to authenticate users, I can just add
# has_secure_password which does all of this for me.
has_secure_password
validates :password, length: { minimum: 6 }
class NilUser
def nil?
return true
end
def can?(action)
case action
when :create_user
return true
when :create_session
return true
else
return false
end
end
def method_missing(name, *args)
# Throw an error if User doesn't have this method
super unless User.new.respond_to?(name)
# User has this method -- return a blank value
# 'false' if the method ends with '?'; 'nil' otherwise.
name.to_s.ends_with?('?') ? false : nil
end
end
end
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