118 lines
4.0 KiB
Ruby
118 lines
4.0 KiB
Ruby
class Course < ActiveRecord::Base
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include Redmine::SafeAttributes
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STATUS_ACTIVE = 1
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STATUS_CLOSED = 5
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STATUS_ARCHIVED = 9
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attr_accessible :code, :extra, :name, :state, :tea_id, :time , :location, :state, :term, :password
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belongs_to :project, :class_name => 'Course', :foreign_key => :extra, primary_key: :identifier
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belongs_to :teacher, :class_name => 'User', :foreign_key => :tea_id # 定义一个方法teacher，该方法通过tea_id来调用User表
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belongs_to :school, :class_name => 'School', :foreign_key => :school_id #定义一个方法school，该方法通过school_id来调用School表
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has_many :bid
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validates_presence_of :password, :term
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validates_format_of :class_period, :message => "class period can only digital!", :with =>/^[1-9]\d*$/
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safe_attributes 'extra',
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'time',
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'name',
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'extra',
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'code',
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'location',
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'tea_id',
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'password',
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'term',
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'password'
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scope :active, lambda { where(:status => STATUS_ACTIVE) }
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scope :status, lambda {|arg| where(arg.blank? ? nil : {:status => arg.to_i}) }
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scope :all_public, lambda { where(:is_public => true) }
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scope :visible, lambda {|*args| where(Course.visible_condition(args.shift || User.current, *args)) }
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scope :allowed_to, lambda {|*args|
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user = User.current
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permission = nil
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if args.first.is_a?(Symbol)
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permission = args.shift
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else
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user = args.shift
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permission = args.shift
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end
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where(Course.allowed_to_condition(user, permission, *args))
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}
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#自定义验证
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def validate
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if !class_period.match([0-9])
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errors.add_to_base("class period can only digital")
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end
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end
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def get_endup_time
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begin
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end_time = Time.parse(self.endup_time)
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rescue Exception => e
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end_time = Time.parse("3000-01-01")
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Rails.logger.error "[Error] course endup_time error. ===> #{e}"
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ensure
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return end_time
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end
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end
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def get_time
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begin
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time = Date.new(self.time).to_time
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rescue Exception => e
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time = Time.parse("3000-01-01")
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Rails.logger.error "[Error] course time error. ===> #{e}"
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ensure
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return time
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end
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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 = (perm && perm.read? ? "#{Course.table_name}.status <> #{Course::STATUS_ARCHIVED}" : "#{Course.table_name}.status = #{Course::STATUS_ACTIVE}")
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if perm && perm.project_module
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# If the permission belongs to a project module, make sure the module is enabled
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base_statement << " AND #{Course.table_name}.id IN (SELECT em.project_id FROM #{EnabledModule.table_name} em WHERE em.name='#{perm.project_module}')"
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end
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if options[:project]
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project_statement = "#{Course.table_name}.id = #{options[:project].id}"
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project_statement << " OR (#{Course.table_name}.lft > #{options[:project].lft} AND #{Course.table_name}.rgt < #{options[:project].rgt})" if options[:with_subprojects]
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base_statement = "(#{project_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[: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] = "#{Course.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.projects_by_role.each do |role, projects|
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if role.allowed_to?(permission) && projects.any?
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statement_by_role[role] = "#{Course.table_name}.id IN (#{projects.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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end
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