112 lines
4.3 KiB
Ruby
112 lines
4.3 KiB
Ruby
class Contest < ActiveRecord::Base
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attr_accessible :description, :invite_code, :invite_code_halt, :is_delete, :is_public, :name, :user_id, :visits
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include ContestsHelper
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belongs_to :user
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has_many :contest_members, :include => [:principal, :roles], :conditions => "#{Principal.table_name}.type='User' AND #{Principal.table_name}.status=#{Principal::STATUS_ACTIVE}"
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has_many :memberships, :class_name => 'ContestMember'
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has_many :member_principals, :class_name => 'ContestMember',
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:include => :principal,
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:conditions => "#{Principal.table_name}.type='Group' OR (#{Principal.table_name}.type='User' AND #{Principal.table_name}.status=#{Principal::STATUS_ACTIVE})"
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has_many :principals, :through => :member_principals, :source => :principal
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has_many :users, :through => :members
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has_many :contestants, :class_name => 'ContestantForContest', :source => :user
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has_many :works
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has_many :news, :dependent => :destroy, :include => :author
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has_many :contest_acts, :class_name => 'ContestActivity',:as =>:contest_act ,:dependent => :destroy
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has_many :contest_activities
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has_many :contest_messages, :class_name =>'ContestMessage', :as => :contest_message, :dependent => :destroy
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acts_as_attachable
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validates_format_of :name,:with =>/^[^ ]+[a-zA-Z0-9_\u4e00-\u9fa5\s\S]*$/
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before_destroy :delete_all_members
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#after_create :act_as_contest_activity
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scope :visible, lambda {|*args| where(Contest.where("is_delete =?", 0).visible_condition(args.shift || User.current, *args)) }
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# 删除竞赛所有成员
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def delete_all_members
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if self.contest_members && self.contest_members.count > 0
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me, mr = ContestMember.table_name, ContestMemberRole.table_name
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connection.delete("DELETE FROM #{mr} WHERE #{mr}.contest_member_id IN (SELECT #{me}.id FROM #{me} WHERE #{me}.contest_id = #{id})")
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ContestMember.delete_all(['contest_id = ?', id])
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end
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end
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def self.visible_condition(user, options={})
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allowed_to_condition(user, :view_course, options)
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end
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def self.allowed_to_condition(user, permission, options={})
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perm = Redmine::AccessControl.permission(permission)
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base_statement = ("#{Contest.table_name}.is_delete <> 1")
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if perm && perm.contest_module
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base_statement << " AND #{Contest.table_name}.id IN (SELECT em.contest_id FROM #{EnabledModule.table_name} em WHERE em.name='#{perm.contest_module}')"
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end
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if options[:contest]
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contest_statement = "#{Contest.table_name}.id = #{options[:contest].id}"
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contest_statement << " OR (#{Contest.table_name}.lft > #{options[:contest].lft} AND #{Contest.table_name}.rgt < #{options[:contest].rgt})" if options[:with_subcontests]
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base_statement = "(#{contest_statement}) AND (#{base_statement})"
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end
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if user.admin?
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base_statement
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else
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statement_by_role = {}
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unless options[:contest_member]
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role = user.logged? ? Role.non_member : Role.anonymous
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if role.allowed_to?(permission)
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statement_by_role[role] = "#{Contest.table_name}.is_public = #{connection.quoted_true}"
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end
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end
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if user.logged?
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user.contests_by_role.each do |role, contests|
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if role.allowed_to?(permission) && contests.any?
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statement_by_role[role] = "#{Contest.table_name}.id IN (#{contests.collect(&:id).join(',')})"
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end
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end
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end
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if statement_by_role.empty?
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"1=0"
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else
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if block_given?
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statement_by_role.each do |role, statement|
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if s = yield(role, user)
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statement_by_role[role] = "(#{statement} AND (#{s}))"
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end
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end
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end
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"((#{base_statement}) AND (#{statement_by_role.values.join(' OR ')}))"
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end
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end
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end
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# 竞赛动态公共表记录
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def act_as_contest_activity
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self.contest_acts << ContestActivity.new(:user_id => self.user_id,:contest_id => self.id)
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end
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# 延迟生成邀请码
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def invite_code
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return generate_invite_code
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end
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# 生成邀请码
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# 如果已有改邀请码，则重新生成
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CODES = %W(2 3 4 5 6 7 8 9 A B C D E F G H J K L N M O P Q R S T U V W X Y Z)
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def generate_invite_code
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code = read_attribute(:invite_code)
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if !code || code.size < 4
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code = CODES.sample(4).join
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return generate_invite_code if Project.where(invite_code: code).present?
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update_attribute(:invite_code, code)
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end
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code
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end
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end
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