1 files changed, 163 insertions, 0 deletions
diff --git a/app/models/user.rb b/app/models/user.rb
index 4a57cf0..0b77ab1 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,2 +1,165 @@
 class User < ActiveRecord::Base
+	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
+
+	apply_simple_captcha
+
+	before_save { self.email = email.downcase }
+	before_save { self.user_name = user_name }
+
+	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